Top 100 US Patents in Movement-Based Storage
section g - physics > information storage > information storage based on relative movement between record carrier and transducer
Sorted by IPQ® Score, an objective measure of patent quality. View scores and methodology at PatentRatings.com. You can also view all by publication date instead.
US4396959 (A), filed
Wed Sep 24 00:00:00 CDT 1980
, published
Tue Aug 02 00:00:00 CDT 1983
- QUANTUM CORP
An improved apparatus and method is disclosed for controlling the position of one moveable member relative to another. In the disclosed preferred embodiment of a rotating disk memory system, the moving member is a head carriage structure and the other is a...
US6826737 (B2), filed
Wed Dec 06 00:00:00 CST 2000
, published
Tue Nov 30 00:00:00 CST 2004
- CADENCE DESIGN SYSTEMS INC
One embodiment of the invention is a recursive partitioning method that places circuit elements in a IC layout. This method initially defines a number of partitioning lines that divide an IC region into several sub-regions (also called slots). For a net in the...
US4453246 (A), filed
Thu Sep 30 00:00:00 CDT 1982
, published
Tue Jun 05 00:00:00 CDT 1984
- EASTMAN KODAK CO
An optical disc assembly includes a record layer carrying, flexible disc-shaped support with an information storage region. An annular retaining ring comprising an inner and an outer member clamps an outer peripheral portion of the support as the ring members...
US5500081 (A), filed
Mon Dec 05 00:00:00 CST 1994
, published
Tue Mar 19 00:00:00 CST 1996
Disclosed is a method for improved processing of semiconductor wafers and the like using processing chemicals, particularly hydrofluoric acid (HF) and water mixtures. Homogeneous vapor mixtures are generated from homogeneous liquid phase mixtures which are...
US4734813 (A), filed
Fri Apr 26 00:00:00 CST 1985
, published
Tue Mar 29 00:00:00 CST 1988
- PIONEER ELECTRONIC CORP
A clamper holding mechanism for moving a clamper and a disk into, and out of, engagement with a spindle of an information disk recording and reproducing device, including a clamper positioning mechanism movable between a first position disengaged from the...
US5815293 (A), filed
Wed May 31 00:00:00 CDT 1995
, published
Tue Sep 29 00:00:00 CDT 1998
- MATSUSHITA ELECTRIC IND CO LTD
A compound objective lens is composed of a hologram lens or transmitting a part of incident light without any diffraction to form a beam of transmitted light and diffracting a remaining part of the incident light to form a beam of first-order diffracted light,...
US7050603 (B2), filed
Thu Dec 13 00:00:00 CST 2001
, published
Tue May 23 00:00:00 CDT 2006
- DIGIMARC CORP
Watermarks in video signals or the accompanying audio track are used to associate video objects in a video sequence with object specific actions or information. A video object refers to a spatial and temporal portion of a video signal that depicts a recognizab...
US5629549 (A), filed
Fri Apr 21 00:00:00 CDT 1995
, published
Tue May 13 00:00:00 CDT 1997
A new magnetic spin transistor is provided. This spin transistor can be used as a memory element or logic gate, such as an OR, AND, NOT, NOR and NAND gate. The state of the magnetic spin transistor logic gate is set inductively. This new magnetic spin...
US6052465 (A), filed
Thu May 16 00:00:00 CDT 1996
, published
Tue Apr 18 00:00:00 CDT 2000
- MATSUSHITA ELECTRIC IND CO LTD
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recoded by laser trimming on a reflective film in a PCA area of an...
US6360057 (B1), filed
Fri Aug 04 00:00:00 CDT 2000
, published
Tue Mar 19 00:00:00 CST 2002
- TOKYO SHIBAURA ELECTRIC CO
This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes...
US5689386 (A), filed
Fri Nov 01 00:00:00 CST 1996
, published
Tue Nov 18 00:00:00 CST 1997
- INTEGRAL PERIPHERALS INC
Disclosed is a rigid disk drive information storage device which includes a rigid disk having a diameter in the range of about 45-50 mm., with a housing having a footprint that includes a width of about 51 mm. and utilizing a rotary actuator for positioning...
US6268107 (B1), filed
Wed Apr 28 00:00:00 CDT 1993
, published
Tue Jul 31 00:00:00 CDT 2001
- MATSUSHITA ELECTRIC IND CO LTD
Phase-change type, reversible optical information recording medium, being possible for recording, reproducing, erasing, and rewriting of information, by use of a laser beam. This invention, consists of recording thin film of ternary elements, for example,...
US6216265 (B1), filed
Thu Jun 11 00:00:00 CDT 1998
, published
Tue Apr 10 00:00:00 CDT 2001
- STARSIGHT TELECAST INC
Television schedule information transmission and utilization systems (50A-50D) transmit TV schedule data and associated network control messages provided by computer (54) as packets via the Video Blanking Interval (VBI) lines in the TV signal from various...
US7308110 (B2), filed
Wed Feb 26 00:00:00 CST 2003
, published
Tue Dec 11 00:00:00 CST 2007
- DIGIMARC CORP
An image is marked by making slight changes to pixel values. These changes are essentially imperceptible on human scrutiny, but detectable by computer analysis. Such markings have applications in identifying ownership of images (including video), and also in...
US5576843 (A), filed
Fri Oct 29 00:00:00 CDT 1993
, published
Tue Nov 19 00:00:00 CST 1996
- TIME WARNER ENTERTAINM CO LP
A system for playing a selected one of multiple audio tracks recorded in synchronized fashion with a motion picture on an optical disk. The optical disk has encoded on it a mixing master music and effects ("ME") track, or a switching master ME track....
US5132522 (A), filed
Wed Jan 30 00:00:00 CST 1991
, published
Tue Jul 21 00:00:00 CDT 1992
- OLYMPUS OPTICAL CO
An information-reading method employs an optical card including, a data section made by a linear information track, an address section for storing an address of the information track, and a guide section located adjacent to the address section and scanned...
US5235995 (A), filed
Wed Mar 06 00:00:00 CST 1991
, published
Tue Aug 17 00:00:00 CDT 1993
- SEMITOOL INC
Disclosed are apparatuses and methods for improved processing of semiconductor wafers and the using vapor phase processing chemicals, particularly aqueous hydrofluoric acid etchants. Homogeneous vapor mixtures are generated from homogeneous liquid mixtures....
US7105596 (B2), filed
Fri Dec 28 00:00:00 CST 2001
, published
Tue Sep 12 00:00:00 CDT 2006
- UNIV RICE WILLIAM M
This invention relates generally to a method for producing composites of single-wall carbon nanotubes (SWNTs) and compositions thereof. In one embodiment, the present invention involves a method of producing a composite material that includes a matrix and a...
US6375741 (B2), filed
Tue May 23 00:00:00 CDT 2000
, published
Tue Apr 23 00:00:00 CDT 2002
A semiconductor processor for spray coating wafers or other semiconductor articles. The processor has a compartment in which are mounted a wafer transfer, coating station and thermal treatment station. The coating station has a spray processing vessel in which...
US5721720 (A), filed
Fri Dec 22 00:00:00 CST 1995
, published
Tue Feb 24 00:00:00 CST 1998
- TOKYO SHIBAURA ELECTRIC CO
A bit train of a plurality of continuous pixels is compressed according to a new run-length compression scheme. In this run-length compression scheme, the run information of one unit of compression includes run-length information indicating the continuous...
US5434678 (A), filed
Mon Jan 11 00:00:00 CST 1993
, published
Tue Jul 18 00:00:00 CDT 1995
This invention relates to a video system comprising integrated random access video technologies and video software architectures for the automated selective retrieval of non-sequentially stored parallel, transitional, and overlapping video segments from a...
US6683783 (B1), filed
Wed Dec 22 00:00:00 CST 1999
, published
Tue Jan 27 00:00:00 CST 2004
- UNIV RICE WILLIAM M
A method for purifying a mixture comprising single-wall carbon nanotubes and amorphous carbon contaminate is disclosed. The method includes the steps of heating the mixture under oxidizing conditions sufficient to remove the amorphous carbon, followed by...
US6167188 (A), filed
Fri Mar 26 00:00:00 CST 1999
, published
Tue Dec 26 00:00:00 CST 2000
- STARSIGHT TELECAST INC
Screen (10) for a user interface of a television schedule system and process consists of an array (24) of irregular cells (26), which vary in length, corresponding to different television program lengths of one half hour to one-and-one half hours or more. The...
US6181870 (B1), filed
Thu Sep 17 00:00:00 CDT 1998
, published
Tue Jan 30 00:00:00 CST 2001
- MATUSHITA ELECTRIC IND CO LTD
An optical disc includes a data area for recording a plurality of video segments and index area for recording original type chain information and user-defined type chain information. The original type chain information defines an original type chain including...
US6134214 (A), filed
Fri Sep 18 00:00:00 CDT 1998
, published
Tue Oct 17 00:00:00 CDT 2000
- MATSUSHITA ELECTRIC IND CO LTD
PCT No. PCT/JP97/00865 Sec. 371 Date Sep. 18, 1998 Sec. 102(e) Date Sep. 18, 1998 PCT Filed Mar. 18, 1997 PCT Pub. No. WO97/35309 PCT Pub. Date Sep. 25, 1997In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution...
US5043830 (A), filed
Tue Mar 21 00:00:00 CST 1989
, published
Tue Aug 27 00:00:00 CDT 1991
- SONY CORP
US7051086 (B2), filed
Fri Mar 09 00:00:00 CST 2001
, published
Tue May 23 00:00:00 CDT 2006
- DIGIMARC CORP
The present invention relates to linking on-line data to printed documents, such as business cards, envelopes, stickers, stationary, letterhead, résumés, etc. In one embodiment, a card-user registers with an on-line database and receives a gallery item...
US6134003 (A), filed
Tue Feb 27 00:00:00 CST 1996
, published
Tue Oct 17 00:00:00 CDT 2000
- MASSACHUSETTS INST TECHNOLOGY
An imaging system for performing optical coherence tomography includes an optical radiation source; a reference optical reflector; a first optical path leading to the reference optical reflector; and a second optical path coupled to an endoscopic unit. The...
US6700990 (B1), filed
Wed Sep 29 00:00:00 CDT 1999
, published
Tue Mar 02 00:00:00 CST 2004
- DIGIMARC CORP
To decode a digital watermark from an image notwithstanding geometrical corruption of the image (e.g., scale, rotation, etc.), a Fourier-Mellin transform is advantageously used. In a particular method, an image is transformed to the spatial frequency domain....
US5565695 (A), filed
Thu Jun 22 00:00:00 CDT 1995
, published
Tue Oct 15 00:00:00 CDT 1996
A new nonvolatile hybrid memory cell is provided. The cell is comprised of a magnetic spin transistor storage element and one or two FET isolation elements. The magnetic spin transistor stores data indefinitely while drawing zero quiescent power. The FET is...
US6580869 (B1), filed
Fri Sep 15 00:00:00 CDT 2000
, published
Tue Jun 17 00:00:00 CDT 2003
- TOKYO SHIBAURA ELECTRIC CO
Upon playback of stream data which is recorded while being appended with time stamp information in units of packets, time management is made using the time stamp information. A video playback time viewed from the user, which may be indicated by I-, B-, and...
US6850693 (B2), filed
Wed Mar 19 00:00:00 CST 2003
, published
Tue Feb 01 00:00:00 CST 2005
- STARSIGHT TELECAST INC
Screen (10) for a user interface of a television schedule system and process consists of an array (24) of irregular cells (26), which vary in length, corresponding to different television program lengths of one half hour to one-and-one half hours or more. The...
US7286310 (B2), filed
Mon Jul 31 00:00:00 CDT 2006
, published
Tue Oct 23 00:00:00 CDT 2007
- HITACHI LTD
An apparatus for receiving digital information including a receiver which receives the digital information that has digital video information bit-compressed by a first compression system, digital audio information bit-compressed by a second compression system,...
US7043052 (B2), filed
Tue Jun 04 00:00:00 CDT 2002
, published
Tue May 09 00:00:00 CDT 2006
- DIGIMARC CORP
Security of photographic identification documents is enhanced by embedding within the photographic image encoded information that may be correlated to other information pertaining to the individual represented by the image, such other information being, for...
US5995705 (A), filed
Fri Jul 18 00:00:00 CDT 1997
, published
Tue Nov 30 00:00:00 CST 1999
- INSTANT VIDEO TECHNOLOGIES INC
An improved video recorder/transceiver with expanded functionality ("VCR-ET") including a capability for storing video and video programs in digital format, editing such programs, transferring such programs onto a hard copy magnetic media, and transmitting...
US4531164 (A), filed
Tue Feb 23 00:00:00 CST 1982
, published
Tue Jul 23 00:00:00 CDT 1985
- CANON KK
A video system comprising a video camera and a recording device to record video signals obtained by the video camera. The recording device includes a video tape recorder (VTR) which may be combined with the video camera when recording and otherwise may be...
US6985600 (B2), filed
Thu Mar 15 00:00:00 CST 2001
, published
Tue Jan 10 00:00:00 CST 2006
- DIGIMARC CORP
Stationery, or other printable media, is encoded with a digital watermark. The watermark is not conspicuous to a human observer of the media, yet conveys plural bits of auxiliary information when optically scanned and digitally processed. The watermark can be...
US7333957 (B2), filed
Mon Jan 06 00:00:00 CST 2003
, published
Tue Feb 19 00:00:00 CST 2008
- DIGIMARC CORP
Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the identifier from a media object and possibly additional context...
US5845021 (A), filed
Wed Feb 26 00:00:00 CST 1997
, published
Tue Dec 01 00:00:00 CST 1998
- TOKYO SHIBAURA ELECTRIC CO
A bit train of a plurality of continuous pixels is compressed according to a new run-length compression scheme. In this run-length compression scheme, the run information of one unit of compression includes run-length information indicating the continuous...
US5235581 (A), filed
Mon Aug 05 00:00:00 CDT 1991
, published
Tue Aug 10 00:00:00 CDT 1993
- MATSUSHITA ELECTRIC IND CO LTD
US5458247 (A), filed
Wed Jan 26 00:00:00 CST 1994
, published
Tue Oct 17 00:00:00 CDT 1995
A cassette tape container storage device including: a bracket having a left edge and a right edge, a plurality of horizontal arms extending from the right edge and having a tubular portion at an end, and a plurality of tubular members corresponding to the...
US6567533 (B1), filed
Thu Apr 27 00:00:00 CDT 2000
, published
Tue May 20 00:00:00 CDT 2003
- DIGIMARC CORP
To permit scaling or rotation of an image to be discerned-even if the original image is not available-certain marker signals are steganographically encoded in the image. In one particular implementation, encoding is effected by adding an overlay signal to the...
US5636292 (A), filed
Mon May 08 00:00:00 CDT 1995
, published
Tue Jun 03 00:00:00 CDT 1997
- DIGIMARC CORP
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned and the carrier thereby identified. The method and...
US5636292 (C1), filed
Mon May 08 00:00:00 CDT 1995
, published
Tue Jun 18 00:00:00 CDT 2002
- DIGIMARC CORP
US4914656 (A), filed
Tue Jun 28 00:00:00 CDT 1988
, published
Tue Apr 03 00:00:00 CDT 1990
- STORAGE TECHNOLOGY CORP
The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk drives....
US5949954 (A), filed
Wed Jun 07 00:00:00 CDT 1995
, published
Tue Sep 07 00:00:00 CDT 1999
- STARSIGHT TELECAST INC
Screen (10) for a user interface of a television schedule system and process consists of an array (24) of irregular cells (26), which vary in length, corresponding to different television program lengths of one half hour to one-and-one half hours or more. The...
US5151789 (A), filed
Thu Oct 17 00:00:00 CDT 1991
, published
Tue Sep 29 00:00:00 CDT 1992
- INSIGHT TELECAST INC
A system (10) interfaces a cable televisions decoder (12) to a VCR (14) incorporating a television scheduling system. The cable signal is supplied to the cable decoder (12) on cable (16) and the decoded output of the decoder (12) is supplied to the VCR (14)...
US5255262 (A), filed
Tue Jun 04 00:00:00 CDT 1991
, published
Tue Oct 19 00:00:00 CDT 1993
- IBM
US5596565 (A), filed
Wed Jun 07 00:00:00 CDT 1995
, published
Tue Jan 21 00:00:00 CST 1997
- SONY CORP
Method and apparatus for recording MPEG-compressed video data and compressed audio data on an optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm+/-0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits...
US5353121 (A), filed
Fri Mar 19 00:00:00 CST 1993
, published
Tue Oct 04 00:00:00 CDT 1994
- STARSIGHT TELECAST INC
A schedule system utilizing a background display. The schedule system provides a background schedule information system in which the background schedule information is displayed over a portion of a television screen in response to activation. A primary...
US5812334 (A), filed
Wed Mar 16 00:00:00 CST 1994
, published
Tue Sep 22 00:00:00 CDT 1998
- CIRRUS LOGIC INC
A synchronous read channel having a single chip integrated circuit digital portion which provides digital gain control, timing recovery, equalization, digital peak detection, sequence detection, RLL(1,7) encoding and decoding, error-tolerant synchronization...
US7003132 (B2), filed
Tue Apr 01 00:00:00 CST 2003
, published
Tue Feb 21 00:00:00 CST 2006
- DIGIMARC CORP
Methods for embedding and reading auxiliary messages from image signals use embedded code signals modulated with the auxiliary message. These embedded ode signals may be used to convey hidden tracking codes in images, video and printed objects. The embedded...
US5370244 (A), filed
Tue Jan 18 00:00:00 CST 1994
, published
Tue Dec 06 00:00:00 CST 1994
A compact disk container storage device comprising: a bracket having a left edge and a right edge, a plurality of horizontal arms extending from the left edge, and a plurality of tubular portions corresponding to the horizontal arms provided at the right edge;...
US4536863 (A), filed
Thu Apr 15 00:00:00 CST 1982
, published
Tue Aug 20 00:00:00 CDT 1985
- DISCOVISION ASS
A system for recovering information from a videodisc and performing special functions which enhance the operational character of the system. To increase the reliability of landing at or near a target track, provisions are made to search for a track adjacent a...
US6832385 (B2), filed
Wed Aug 12 00:00:00 CDT 1998
, published
Tue Dec 14 00:00:00 CST 2004
- UNITED VIDEO PROPERTIES INC
An electronic program guide displays televsion program listings in a time and channel guide format on a monitor screen. A cursor is provided for display on the monitor screen to selectively highlight one of the television program listings in the guide. Various...
US6205003 (B1), filed
Mon May 03 00:00:00 CDT 1999
, published
Tue Mar 20 00:00:00 CST 2001
- MAGNECOMP CORP
The efficiency of wire bundle conductors is realized in a disk drive suspension without wire bundle biasing of the slider movement by interposing a section of flexible conductive laminate conductor between the wire bundle terminus and the slider, thereby...
US5537157 (A), filed
Tue Aug 30 00:00:00 CDT 1994
, published
Tue Jul 16 00:00:00 CDT 1996
- WASHINO KINYA
An audio/video production system facilitates professional quality image manipulation and editing using an enhanced general-purpose hardware. A program input may be translated into any of a variety of graphics or television formats, including NTSC, PAL, SECAM...
US5841978 (A), filed
Thu Jul 27 00:00:00 CDT 1995
, published
Tue Nov 24 00:00:00 CST 1998
- DIGIMARC CORP
A given data object can effectively contain both a graphical representation to a network user and embedded information, such as the URL address of another network node, thereby to permit the object itself to serve as an automated hot link. The underlying...
US7130087 (B2), filed
Tue Jun 15 00:00:00 CDT 2004
, published
Tue Oct 31 00:00:00 CST 2006
- DIGIMARC CORP
Security documents (e.g. passports, currency, event tickets, and the like) are encoded to convey machine-readable multi-bit binary information (e.g., a digital watermark), usually in a manner not alerting human viewers that such information is present. The...
US5982891 (A), filed
Tue Nov 04 00:00:00 CST 1997
, published
Tue Nov 09 00:00:00 CST 1999
- INTERTRUST TECH CORP
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and...
US6259858 (B1), filed
Wed Dec 15 00:00:00 CST 1999
, published
Tue Jul 10 00:00:00 CDT 2001
- TOKYO SHIBAURA ELECTRIC CO
When moving pictures are recorded onto an optical disc, not only is text data recorded, but also video-recording start date and time, video-recording end date and time, and source name or channel number serving as primary text data are recorded in alphanumeric...
US6266206 (B1), filed
Fri Oct 02 00:00:00 CDT 1998
, published
Tue Jul 24 00:00:00 CDT 2001
- SONY CORP
A cassette type recording and reproducing apparatus in which during an eject operation of a tape cassette, a cam driven lever 28 is kicked by a cam 31 and a cassette discharge lever 51 is rotated by the cam driven lever 28, whereby a tape cassette 1 in a...
US5692093 (A), filed
Tue Jan 04 00:00:00 CST 1994
, published
Tue Nov 25 00:00:00 CST 1997
- SRT INC
During recording of a television signal on a VCR, data are accumulated with respect to the time of occurrence and duration of detectable events, such as blank frames, in the television signal, and such data are stored. Timing reference data are written onto...
US5790198 (A), filed
Wed May 04 00:00:00 CDT 1994
, published
Tue Aug 04 00:00:00 CDT 1998
- STARSIGHT TELECAST INC
Television schedule information transmission and utilization systems (50A-50D) transmit TV schedule data and associated network control messages provided by computer (54) as packets via the Video Blanking Interval (VBI) lines in the TV signal from various...
US5742792 (A), filed
Tue May 28 00:00:00 CDT 1996
, published
Tue Apr 21 00:00:00 CDT 1998
- EMC CORP
Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly...
US5805565 (A), filed
Tue Feb 13 00:00:00 CST 1996
, published
Tue Sep 08 00:00:00 CDT 1998
- HITACHI LTD
In an optical disk recording medium having grooves and lands formed on a substrate and information recording areas formed in association with both the groove and the land, prepits are disposed on a virtual extension of the boundary between a groove and a land,...
US7263203 (B2), filed
Mon Mar 03 00:00:00 CST 2003
, published
Tue Aug 28 00:00:00 CDT 2007
- DIGIMARC CORP
An iterative encoding technique assesses trial watermark encoding of an object, and redresses any detected shortcomings in one or more successive re-encodings of the object. Other improvements concern web crawler-based watermark detectors, novel uses of...
US7286684 (B2), filed
Wed Jun 11 00:00:00 CDT 2003
, published
Tue Oct 23 00:00:00 CDT 2007
- DIGIMARC CORP
A two dimensional pattern design for secure documents serves as both a machine readable code and an aesthetic part of the documents' design. A method for generating the design generates a variable auxiliary message comprising message values and maps the...
US6078727 (A), filed
Thu Sep 17 00:00:00 CDT 1998
, published
Tue Jun 20 00:00:00 CDT 2000
- MATSUSHITA ELECTRIC IND CO LTD
An optical disc including: a data area storing one or more video objects; and a time map area storing time map information. Each video object includes a plurality of video object units. The time map information includes a first time table and a second time...
US6385389 (B1), filed
Wed Jan 20 00:00:00 CST 1999
, published
Tue May 07 00:00:00 CDT 2002
- TOKYO SHIBAURA ELECTRIC CO
An information recording medium includes a first area (DA2) for storing picture data for forming a plurality of pictures, a second area (DA21) which is included in the first area and stores control data of the picture data, and a third area (INFO1) which is...
US5392263 (A), filed
Tue Jul 19 00:00:00 CDT 1994
, published
Tue Feb 21 00:00:00 CST 1995
- SONY CORP
A magneto-optical disc system includes a magneto-optical disc with a light transmitting protective layer, an objective lens for bundling or focusing a laser beam onto a magnetic recording layer of the magneto-optical disc in order to perform recording and/or...
US5296991 (A), filed
Mon Mar 09 00:00:00 CST 1992
, published
Tue Mar 22 00:00:00 CST 1994
- SONY CORP
A magnetic head having a recording and/or reproducing magnetic gap and an erasing magnetic gap for writing and/or reading informational signals on and/or from a flexible disk is disclosed. A magnetic circuit comprises a front core having center cores and side...
US5850481 (A), filed
Mon May 08 00:00:00 CDT 1995
, published
Tue Dec 15 00:00:00 CST 1998
- DIGIMARC CORP
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned and the carrier thereby identified. The method and...
US5850481 (C1), filed
Mon May 08 00:00:00 CDT 1995
, published
Tue Jul 16 00:00:00 CDT 2002
- DIGIMARC CORP
US5652824 (A), filed
Wed Jun 28 00:00:00 CDT 1995
, published
Tue Jul 29 00:00:00 CDT 1997
- TOKYO SHIBAURA ELECTRIC CO
PCT No. PCT/JP93/01571 Sec. 371 Date Jun. 28, 1995 Sec. 102(e) Date Jun. 28, 1995 PCT Filed Oct. 29, 1993 PCT Pub. No. WO95/12198 PCT Pub. Date May 4, 1995A reproduction apparatus is designed to select and decode speech and subtitles (characters) in a given...
US4746991 (A), filed
Tue Jan 12 00:00:00 CST 1982
, published
Tue May 24 00:00:00 CDT 1988
- DISCOVISION ASS
US6754860 (B2), filed
Fri Feb 21 00:00:00 CST 2003
, published
Tue Jun 22 00:00:00 CDT 2004
- LG ELECTRONICS INC
This invention provides a method for creating/writing defect management information of an information recording medium and an apparatus and optical disc based on the method. In the present invention, it depends on the type of data to be reproduced whether or...
US4333152 (A), filed
Fri Jun 13 00:00:00 CDT 1980
, published
Tue Jun 01 00:00:00 CDT 1982
- BEST ROBERT M
A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a prerecorded branching movie shown on a television screen. The actors and cartoons reply responsively with lip-sync sound to...
US6658568 (B1), filed
Tue Oct 26 00:00:00 CDT 1999
, published
Tue Dec 02 00:00:00 CST 2003
- INTERTRUST TECH CORP
The present invention provides methods and systems for secure, automated transaction processing for use in electronic commerce and electronic rights and transaction management over an electronic network such as the Internet and/or over organization internal...
US5381401 (A), filed
Fri Jun 18 00:00:00 CDT 1993
, published
Tue Jan 10 00:00:00 CST 1995
- IBM
An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light...
US6882738 (B2), filed
Fri Oct 24 00:00:00 CDT 2003
, published
Tue Apr 19 00:00:00 CDT 2005
- DIGIMARC CORP
A tangible object (such as a microprocessor, wristwatch, pharmaceutical, compact disc, vehicle part, etc) is surface-textured to encode a plural-bit code thereon. In one arrangement, this encoding conveys date information. In use, the object can be imaged by a...
US4568988 (A), filed
Wed Feb 22 00:00:00 CST 1984
, published
Tue Feb 04 00:00:00 CST 1986
- RODIME PLC
A micro-Winchester disk drive system particularly suited to meet the demands of a portable computer system. The micro-Winchester disk is a Winchester disk of 85-100 mm in diameter. This disk drive system by virtue of its small size and vibration isolation is...
US4568988 (B1), filed
Wed Feb 22 00:00:00 CST 1984
, published
Tue Nov 29 00:00:00 CST 1988
US5491597 (A), filed
Fri Apr 15 00:00:00 CDT 1994
, published
Tue Feb 13 00:00:00 CST 1996
- HUTCHINSON TECHNOLOGY
A gimbal flexure and electrical interconnect assembly for attachment to a disk drive suspension assembly. The gimbal flexure and electrical interconnect acts both as an interconnect system for relaying electrical signals and as a gimbal flexure. It comprises a...
US5418770 (A), filed
Tue Sep 24 00:00:00 CDT 1991
, published
Tue May 23 00:00:00 CDT 1995
- HITACHI LTD
A pit edge interval correcting method in an optical recording/read-out apparatus wherein as data items to be used to correct pit edge intervals for cancellation of a thermal interference from a previously recorded pattern, there is formed a table representing...
US6064644 (A), filed
Thu Oct 29 00:00:00 CST 1998
, published
Tue May 16 00:00:00 CDT 2000
- HITACHI LTD
An optical recording medium includes grooves and lands on a substrate in which prepits are disposed on an extension of the boundary between a groove and a land such that they are located uniformly on both sides of the center line of the groove or the land and...
Optical disk and method and apparatus for recording and then playing information back from that disk
US5793779 (A), filed
Thu Jun 01 00:00:00 CDT 1995
, published
Tue Aug 11 00:00:00 CDT 1998
- SONY CORP
An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm+/-0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information and exhibiting a track pitch in the range between 0.646 mu m and...
US4567104 (A), filed
Fri Jun 24 00:00:00 CDT 1983
, published
Tue Jan 28 00:00:00 CST 1986
- CANYON MATERIALS RES ENG
The invention relates to high energy beam-sensitive glass articles exhibiting insensitivity and/or inertness to actinic radiation, i.e., glass articles which are darkened and/or colored within a thin surface layer of, e.g., about 0.1-3 mu m upon exposure to a...
US7138016 (B2), filed
Tue Jun 26 00:00:00 CDT 2001
, published
Tue Nov 21 00:00:00 CST 2006
- SEMITOOL INC
A semiconductor processor for spray coating wafers or other semiconductor articles. The processor has a compartment in which are mounted a wafer transfer, coating station and thermal treatment station. The coating station has a spray processing vessel in which...
US5134619 (A), filed
Fri Apr 06 00:00:00 CDT 1990
, published
Tue Jul 28 00:00:00 CDT 1992
- SF2 CORP
A mass memory system for digital computers is disclosed. The system has a plurality of disk drives coupled to a plurality of small buffers. An Error Correction Controller is coupled to a plurality of X-bar switches, the X-bar switches being connected between...
US4546463 (A), filed
Fri Jul 10 00:00:00 CDT 1981
, published
Tue Oct 08 00:00:00 CDT 1985
- PHILIPS CORP
An apparatus is described for writing and reading information tracks in an information surface of a record carrier by optical radiation. The apparatus comprises two diode lasers, one of which produces the write beam and the other a read beam. By means of...
US5194965 (A), filed
Tue Nov 13 00:00:00 CST 1990
, published
Tue Mar 16 00:00:00 CST 1993
- MACROVISION CORP
A method and apparatus for disabling the effect of copy-protect signals placed in a recording video signals which is based on differences in the characteristics of television and VCR circuitry. Copy-protect signals include pseudo-sync pulses and/or added AGC...
US5003526 (A), filed
Fri Mar 16 00:00:00 CST 1990
, published
Tue Mar 26 00:00:00 CST 1991
- DISCOVISION ASS
An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are...
US5892884 (A), filed
Wed Oct 18 00:00:00 CDT 1995
, published
Tue Apr 06 00:00:00 CDT 1999
- MITSUBISHI ELECTRIC CORP
A digital video/audio recording and reproducing apparatus comprising a video signal high-efficiency encoder having a variable reduction rate, an audio signal high-efficiency encoder having a variable reduction rate, and a controller for controlling the...
US6067282 (A), filed
Wed Feb 10 00:00:00 CST 1999
, published
Tue May 23 00:00:00 CDT 2000
- PIONEER ELECTRONIC CORP
An information recording medium includes: record information pieces logically independent of each other and constituting a hierarchical structure of hierarchical layers; layer information pieces for specifying one of the hierarchical layer; kind information...
US7058697 (B2), filed
Tue Aug 28 00:00:00 CDT 2001
, published
Tue Jun 06 00:00:00 CDT 2006
- DIGIMARC CORP
Address information is steganographically encoded into audio or graphic data, and thereafter decoded to permit linking to the internet. The address information can be a literal URL, or may be an index to a database from which a corresponding URL can be...
US6590998 (B2), filed
Wed Aug 01 00:00:00 CDT 2001
, published
Tue Jul 08 00:00:00 CDT 2003
- DIGIMARC CORP
A given data object can effectively contain both a graphical representation to a network user and embedded information, such as the URL address of another network node, thereby to permit the object itself to serve as an automated hot link. The underlying...
US5272330 (A), filed
Tue Aug 04 00:00:00 CDT 1992
, published
Tue Dec 21 00:00:00 CST 1993
- AT T BELL LAB
An optical system useful, e.g., for near-field scanning optical microscopy is provided. The system incorporates a probe having improved properties. In one embodiment, the probe comprises a tapered and partially metallized portion of a single-mode optical...
US6115534 (A), filed
Mon Aug 04 00:00:00 CDT 1997
, published
Tue Sep 05 00:00:00 CDT 2000
- TIME WARNER ENTERTAINM CO LP
A system for playing a selected one of multiple audio tracks recorded in synchronized fashion with a motion picture on an optical disk. The optical disk has encoded on it a mixing master music and effects ("ME") track, or a switching master ME track....
US6000541 (A), filed
Fri Jul 31 00:00:00 CDT 1998
, published
Tue Dec 14 00:00:00 CST 1999
A container includes a cover secured on a base for receiving an insert and a knob slidably received in the base. A latch is slidably engaged in the base and biased to secure the insert in place. The knob includes a tapered surface for disengaging the latch...
