CA999458A - Signal recording system using a holographic slit - Google Patents

Signal recording system using a holographic slit

Info

Publication number
CA999458A
CA999458A CA182,586A CA182586A CA999458A CA 999458 A CA999458 A CA 999458A CA 182586 A CA182586 A CA 182586A CA 999458 A CA999458 A CA 999458A
Authority
CA
Canada
Prior art keywords
recording system
signal recording
holographic slit
holographic
slit
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
CA182,586A
Other languages
English (en)
Other versions
CA182586S (en
Inventor
Yoshihiro Okino
Makoto Kato
Kosey Kamisaka
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
Priority claimed from JP10001972A external-priority patent/JPS5127549B2/ja
Priority claimed from JP10211572A external-priority patent/JPS5147630B2/ja
Priority claimed from JP47102920A external-priority patent/JPS5925222B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA999458A publication Critical patent/CA999458A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
CA182,586A 1972-10-04 1973-10-03 Signal recording system using a holographic slit Expired CA999458A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10001972A JPS5127549B2 (enrdf_load_stackoverflow) 1972-10-04 1972-10-04
JP10211572A JPS5147630B2 (enrdf_load_stackoverflow) 1972-10-11 1972-10-11
JP47102920A JPS5925222B2 (ja) 1972-10-13 1972-10-13 ホログラフイツクスリツト

Publications (1)

Publication Number Publication Date
CA999458A true CA999458A (en) 1976-11-09

Family

ID=27309118

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,586A Expired CA999458A (en) 1972-10-04 1973-10-03 Signal recording system using a holographic slit

Country Status (3)

Country Link
CA (1) CA999458A (enrdf_load_stackoverflow)
FR (1) FR2202304B1 (enrdf_load_stackoverflow)
GB (1) GB1451083A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567305A (en) * 1966-10-18 1971-03-02 Bell Telephone Labor Inc Hologram masking techniques

Also Published As

Publication number Publication date
DE2349727B2 (de) 1975-11-27
FR2202304B1 (enrdf_load_stackoverflow) 1976-12-10
FR2202304A1 (enrdf_load_stackoverflow) 1974-05-03
GB1451083A (en) 1976-09-29
DE2349727A1 (de) 1974-04-11

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