FR2184841A1 - - Google Patents

Info

Publication number
FR2184841A1
FR2184841A1 FR7317486A FR7317486A FR2184841A1 FR 2184841 A1 FR2184841 A1 FR 2184841A1 FR 7317486 A FR7317486 A FR 7317486A FR 7317486 A FR7317486 A FR 7317486A FR 2184841 A1 FR2184841 A1 FR 2184841A1
Authority
FR
France
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.)
Granted
Application number
FR7317486A
Other languages
French (fr)
Other versions
FR2184841B1 (enExample
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 DE2224386A external-priority patent/DE2224386C2/de
Priority claimed from DE19732316119 external-priority patent/DE2316119C2/de
Priority claimed from DE19732316120 external-priority patent/DE2316120C2/de
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of FR2184841A1 publication Critical patent/FR2184841A1/fr
Application granted granted Critical
Publication of FR2184841B1 publication Critical patent/FR2184841B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • 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)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
FR7317486A 1972-05-18 1973-05-15 Expired FR2184841B1 (enExample)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2224386A DE2224386C2 (de) 1972-05-18 1972-05-18 Verfahren zur holografischen Aufzeichnung von in Form elektrischer Signale vorliegenden Informationen
DE19732316119 DE2316119C2 (de) 1972-05-18 1973-03-30 Verfahren zur holografischen Aufzeichnung von in Form elektrischer Signale vorliegenden Informationen
DE19732316120 DE2316120C2 (de) 1972-05-18 1973-03-30 Verfahren zur holografischen Aufzeichnung von in Form elektrischer Signale vorliegenden Informationen

Publications (2)

Publication Number Publication Date
FR2184841A1 true FR2184841A1 (enExample) 1973-12-28
FR2184841B1 FR2184841B1 (enExample) 1977-02-11

Family

ID=27184425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7317486A Expired FR2184841B1 (enExample) 1972-05-18 1973-05-15

Country Status (6)

Country Link
JP (1) JPS5824793B2 (enExample)
BE (1) BE799757A (enExample)
FR (1) FR2184841B1 (enExample)
GB (1) GB1436896A (enExample)
IT (1) IT987670B (enExample)
NL (1) NL177634C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55163566A (en) * 1979-06-05 1980-12-19 Sony Corp Hologram lens and its production and optical system signal using this hologram lens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
NL177634B (nl) 1985-05-17
FR2184841B1 (enExample) 1977-02-11
JPS5824793B2 (ja) 1983-05-23
JPS4951968A (enExample) 1974-05-20
NL7307007A (enExample) 1973-11-20
NL177634C (nl) 1985-10-16
IT987670B (it) 1975-03-20
GB1436896A (en) 1976-05-26
BE799757A (fr) 1973-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse