GB1376183A - Information recording and reproducing method - Google Patents

Information recording and reproducing method

Info

Publication number
GB1376183A
GB1376183A GB5011571A GB5011571A GB1376183A GB 1376183 A GB1376183 A GB 1376183A GB 5011571 A GB5011571 A GB 5011571A GB 5011571 A GB5011571 A GB 5011571A GB 1376183 A GB1376183 A GB 1376183A
Authority
GB
United Kingdom
Prior art keywords
tape
sound
reproduced
hologram
variations
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
GB5011571A
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 GB1376183A publication Critical patent/GB1376183A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • G03H1/32—Systems for obtaining speckle elimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/89—Television signal recording using holographic recording
    • 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
GB5011571A 1970-11-08 1971-10-28 Information recording and reproducing method Expired GB1376183A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9805670 1970-11-08
JP9906070 1970-11-12

Publications (1)

Publication Number Publication Date
GB1376183A true GB1376183A (en) 1974-12-04

Family

ID=26439262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5011571A Expired GB1376183A (en) 1970-11-08 1971-10-28 Information recording and reproducing method

Country Status (4)

Country Link
CA (1) CA974808A (enExample)
DE (1) DE2155103B2 (enExample)
FR (1) FR2112531B1 (enExample)
GB (1) GB1376183A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1040388A4 (en) * 1997-12-15 2006-08-23 Northrop Grumman Corp REDUCTION OF DISPERSE NOISE IN A SYSTEM FOR RECORDING HOLOGRAMS BY MEANS OF TILTING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1040388A4 (en) * 1997-12-15 2006-08-23 Northrop Grumman Corp REDUCTION OF DISPERSE NOISE IN A SYSTEM FOR RECORDING HOLOGRAMS BY MEANS OF TILTING

Also Published As

Publication number Publication date
FR2112531B1 (enExample) 1977-01-21
DE2155103B2 (de) 1973-10-25
DE2155103A1 (de) 1972-05-25
FR2112531A1 (enExample) 1972-06-16
CA974808A (en) 1975-09-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee