IL73226A - Quad density optical data system - Google Patents
Quad density optical data systemInfo
- Publication number
- IL73226A IL73226A IL73226A IL7322684A IL73226A IL 73226 A IL73226 A IL 73226A IL 73226 A IL73226 A IL 73226A IL 7322684 A IL7322684 A IL 7322684A IL 73226 A IL73226 A IL 73226A
- Authority
- IL
- Israel
- Prior art keywords
- optical data
- data system
- density optical
- quad density
- quad
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54116683A | 1983-10-12 | 1983-10-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL73226A0 IL73226A0 (en) | 1985-01-31 |
IL73226A true IL73226A (en) | 1989-01-31 |
Family
ID=24158447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL73226A IL73226A (en) | 1983-10-12 | 1984-10-12 | Quad density optical data system |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0160008B1 (de) |
JP (1) | JP2719549B2 (de) |
KR (1) | KR950005531B1 (de) |
AU (1) | AU3397884A (de) |
CA (1) | CA1229916A (de) |
DE (1) | DE3484902D1 (de) |
ES (1) | ES8608210A1 (de) |
IL (1) | IL73226A (de) |
MX (1) | MX157380A (de) |
WO (1) | WO1985001818A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4786792A (en) * | 1983-10-12 | 1988-11-22 | Drexler Technology Corporation | Transmissively read quad density optical data system |
US4734565A (en) * | 1983-10-12 | 1988-03-29 | Drexler Technology Corporation | Read-only optical card and system |
JPS61138379A (ja) * | 1984-12-10 | 1986-06-25 | Sony Corp | 光学式記録カ−ドの読み取り装置 |
DE3546067A1 (de) * | 1984-12-29 | 1986-07-03 | Canon K.K., Tokio/Tokyo | Aufzeichnungs/wiedergabegeraet fuer optische informationen |
US5010534A (en) * | 1984-12-29 | 1991-04-23 | Canon Kabushiki Kaisha | Optical information recording-reproducing apparatus |
FR2646546B1 (fr) * | 1984-12-29 | 1993-10-15 | Canon Kk | Procede d'enregistrement et/ou de reproduction optique d'informations sur un support en forme de carte |
CA1267974A (en) * | 1984-12-31 | 1990-04-17 | Kenichi Suzuki | Optical information recording and reproducing apparatus |
DE3507569A1 (de) * | 1985-03-04 | 1986-09-04 | Erhardt & Leimer GmbH, 8900 Augsburg | Vorrichtung zur erfassung von kennzeichnungen auf sich bewegenden kennzeichnungstraegern |
GB2221563B (en) * | 1985-04-05 | 1990-06-20 | Canon Kk | Optical head |
EP0223353A3 (en) * | 1985-09-10 | 1988-07-20 | Canon Kabushiki Kaisha | Information record carrier |
US4931628A (en) * | 1985-11-18 | 1990-06-05 | Sony Corporation | Apparatus for reproducing optical card data without position indicators |
DE3780866T2 (de) * | 1986-05-20 | 1993-03-18 | Canon Kk | Optisches informations-aufzeichnungs- und wiedergabegeraet. |
US4885458A (en) * | 1987-02-04 | 1989-12-05 | Olympus Optical Co., Ltd. | Card-form recording medium and data recording device therefor |
JP3145751B2 (ja) * | 1991-12-03 | 2001-03-12 | パイオニア株式会社 | 光ピックアップ装置 |
DE4213556C2 (de) * | 1992-04-24 | 1994-04-28 | Max Planck Gesellschaft | Einrichtung zur optischen Abtastung eines Aufzeichnungsträgers, insbesondere einer Phosphorspeicherplatte |
WO2005122158A1 (en) * | 2004-06-11 | 2005-12-22 | Koninklijke Philips Electronics N.V. | Improved information carrier |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL288536A (de) * | 1962-11-05 | |||
US3699518A (en) * | 1971-01-18 | 1972-10-17 | Commerce Usa | Method and machine for reading handwritten cursive characters |
IL38603A (en) * | 1972-01-21 | 1975-10-15 | Bar Lev H | Automatic pattern recognition method and apparatus particularly for optically recognizing alphanumeric characters |
CA1004363A (en) * | 1972-02-28 | 1977-01-25 | Edward Dillingham | Method and means for reading numerals |
JPS49135602A (de) * | 1973-04-27 | 1974-12-27 | ||
US3919697A (en) * | 1974-06-26 | 1975-11-11 | Battelle Development Corp | Data record tracking using track identifying information in the gaps between recorded data groups |
US4213038A (en) * | 1976-12-20 | 1980-07-15 | Johnson Everett A | Access security system |
DE2710166C2 (de) * | 1977-03-09 | 1984-09-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Mechanisch adressierter optischer Speicher |
US4105926A (en) * | 1977-06-30 | 1978-08-08 | Rca Corporation | On-axis film scanner with reflected illumination |
US4395628A (en) * | 1979-04-23 | 1983-07-26 | Daniel Silverman | Access security control |
JPS57123503A (en) * | 1981-01-06 | 1982-08-02 | Katsuya Ishizaki | Improving method for characteristics of tape recorder |
US4360728A (en) * | 1981-02-27 | 1982-11-23 | Drexler Technology Corporation | Banking card for automatic teller machines and the like |
US4411016A (en) * | 1981-06-01 | 1983-10-18 | Recognition Equipment Incorporated | Barcode width measurement system |
-
1984
- 1984-09-14 AU AU33978/84A patent/AU3397884A/en not_active Abandoned
- 1984-09-14 DE DE8484903524T patent/DE3484902D1/de not_active Expired - Fee Related
- 1984-09-14 WO PCT/US1984/001463 patent/WO1985001818A1/en active IP Right Grant
- 1984-09-14 JP JP59503475A patent/JP2719549B2/ja not_active Expired - Lifetime
- 1984-09-14 EP EP84903524A patent/EP0160008B1/de not_active Expired - Lifetime
- 1984-10-10 CA CA000465016A patent/CA1229916A/en not_active Expired
- 1984-10-11 MX MX203045A patent/MX157380A/es unknown
- 1984-10-11 ES ES536738A patent/ES8608210A1/es not_active Expired
- 1984-10-12 IL IL73226A patent/IL73226A/xx not_active IP Right Cessation
-
1994
- 1994-09-14 KR KR1019850700077A patent/KR950005531B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR850700080A (ko) | 1985-10-21 |
DE3484902D1 (de) | 1991-09-12 |
EP0160008A1 (de) | 1985-11-06 |
KR950005531B1 (ko) | 1995-05-25 |
EP0160008A4 (de) | 1988-05-03 |
ES536738A0 (es) | 1986-06-01 |
JPS61501115A (ja) | 1986-05-29 |
JP2719549B2 (ja) | 1998-02-25 |
IL73226A0 (en) | 1985-01-31 |
WO1985001818A1 (en) | 1985-04-25 |
AU3397884A (en) | 1985-05-07 |
CA1229916A (en) | 1987-12-01 |
MX157380A (es) | 1988-11-18 |
ES8608210A1 (es) | 1986-06-01 |
EP0160008B1 (de) | 1991-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
RH1 | Patent not in force |