GB1384817A - Apparatus for the optical recording and playback of audio signals - Google Patents

Apparatus for the optical recording and playback of audio signals

Info

Publication number
GB1384817A
GB1384817A GB2186772A GB2186772A GB1384817A GB 1384817 A GB1384817 A GB 1384817A GB 2186772 A GB2186772 A GB 2186772A GB 2186772 A GB2186772 A GB 2186772A GB 1384817 A GB1384817 A GB 1384817A
Authority
GB
United Kingdom
Prior art keywords
give
tape
recorded
mirror
audio signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2186772A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1384817A publication Critical patent/GB1384817A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
GB2186772A 1971-05-12 1972-05-10 Apparatus for the optical recording and playback of audio signals Expired GB1384817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3207571 1971-05-12

Publications (1)

Publication Number Publication Date
GB1384817A true GB1384817A (en) 1975-02-26

Family

ID=12348744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2186772A Expired GB1384817A (en) 1971-05-12 1972-05-10 Apparatus for the optical recording and playback of audio signals

Country Status (4)

Country Link
US (1) US3865996A (enExample)
CA (1) CA957068A (enExample)
FR (1) FR2137817B1 (enExample)
GB (1) GB1384817A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133574A (en) * 1982-10-15 1984-07-25 Applied Holographics Making holograms
WO2012038517A1 (en) * 2010-09-22 2012-03-29 Zet Nanolaboratory, Ltd. Data storage and retrieval

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025731A (en) * 1971-04-20 1977-05-24 Thomson-Csf Optical record, and associated recording and reading-out devices
US3919465A (en) * 1974-01-14 1975-11-11 Zenith Radio Corp Optical system for directly detecting spatially recorded signals
IL66817A0 (en) * 1982-09-16 1982-12-31 Gaz Moshe Special visual and sound effects in cinematography using beam lasers on positive and negative copies
JPH02116029A (ja) * 1988-10-25 1990-04-27 Mitsubishi Electric Corp フィルムに対する信号の記録及び再生方法
JP3157873B2 (ja) * 1991-11-15 2001-04-16 パイオニア株式会社 光ピックアップ装置における焦点制御装置
WO2004012016A1 (ja) * 2002-07-31 2004-02-05 Pioneer Corporation 記録装置、再生装置及び記録再生装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792766A (en) * 1926-01-09 1931-02-17 Drahtlose Telegraphie Mbh Electric-light relay
US1917003A (en) * 1929-01-21 1933-07-04 Columbia Phono Graph Company I Reproduction of sound records
US2283545A (en) * 1940-07-20 1942-05-19 Jr John Presper Eckert Light modulating method and apparatus
US3545834A (en) * 1966-04-27 1970-12-08 Rca Corp Sequential information hologram record
US3364497A (en) * 1966-05-18 1968-01-16 Eastman Kodak Co Recording of digital data
US3623024A (en) * 1968-02-09 1971-11-23 Us Army Signal recovery system using optical mixing
BE759324A (fr) * 1969-11-25 1971-04-30 Rca Corp Dispositif et procede d'enregistrement d'une image en mouvementrepresentee par des hologrammes partiellement superposes
US3716286A (en) * 1969-12-11 1973-02-13 Holotron Corp Holographic television record system
DE2056025C3 (de) * 1970-11-13 1975-10-16 Siemens Ag, 1000 Berlin U. 8000 Muenchen Verfahren zur holografischen Speicherung von Informationen
US3674332A (en) * 1970-11-23 1972-07-04 Bell Telephone Labor Inc Hologram generator using superposition of plane waves
US3758187A (en) * 1971-06-09 1973-09-11 Kms Ind Inc Method and apparatus for recording intelligence on a sheet material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133574A (en) * 1982-10-15 1984-07-25 Applied Holographics Making holograms
WO2012038517A1 (en) * 2010-09-22 2012-03-29 Zet Nanolaboratory, Ltd. Data storage and retrieval

Also Published As

Publication number Publication date
DE2222938B2 (de) 1975-06-19
DE2222938A1 (de) 1973-03-29
US3865996A (en) 1975-02-11
CA957068A (en) 1974-10-29
FR2137817B1 (enExample) 1975-02-07
FR2137817A1 (enExample) 1972-12-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee