FR2272431A1 - Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings - Google Patents

Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings

Info

Publication number
FR2272431A1
FR2272431A1 FR7417653A FR7417653A FR2272431A1 FR 2272431 A1 FR2272431 A1 FR 2272431A1 FR 7417653 A FR7417653 A FR 7417653A FR 7417653 A FR7417653 A FR 7417653A FR 2272431 A1 FR2272431 A1 FR 2272431A1
Authority
FR
France
Prior art keywords
white light
optical data
different wavelengths
gratings
reproduction
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.)
Granted
Application number
FR7417653A
Other languages
English (en)
French (fr)
Other versions
FR2272431B1 (https=
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.)
BOLUSSET CHRISTIAN FR
Original Assignee
BOLUSSET CHRISTIAN FR
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 BOLUSSET CHRISTIAN FR filed Critical BOLUSSET CHRISTIAN FR
Priority to FR7417653A priority Critical patent/FR2272431A1/fr
Priority to DE19752522134 priority patent/DE2522134A1/de
Priority to NL7505963A priority patent/NL7505963A/xx
Publication of FR2272431A1 publication Critical patent/FR2272431A1/fr
Application granted granted Critical
Publication of FR2272431B1 publication Critical patent/FR2272431B1/fr
Granted 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
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
FR7417653A 1974-05-21 1974-05-21 Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings Granted FR2272431A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7417653A FR2272431A1 (en) 1974-05-21 1974-05-21 Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings
DE19752522134 DE2522134A1 (de) 1974-05-21 1975-05-17 Verfahren und vorrichtung zur speicherung und wiedergabe von optischen daten
NL7505963A NL7505963A (nl) 1974-05-21 1975-05-21 Werkwijze, inrichting en stelsel voor het regis- treren en weergeven van beelden.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417653A FR2272431A1 (en) 1974-05-21 1974-05-21 Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings

Publications (2)

Publication Number Publication Date
FR2272431A1 true FR2272431A1 (en) 1975-12-19
FR2272431B1 FR2272431B1 (https=) 1976-10-15

Family

ID=9139118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417653A Granted FR2272431A1 (en) 1974-05-21 1974-05-21 Optical data storage and reproduction - white light split up into different wavelengths projected onto gratings

Country Status (3)

Country Link
DE (1) DE2522134A1 (https=)
FR (1) FR2272431A1 (https=)
NL (1) NL7505963A (https=)

Also Published As

Publication number Publication date
FR2272431B1 (https=) 1976-10-15
DE2522134A1 (de) 1975-12-04
NL7505963A (nl) 1975-11-25

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Legal Events

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TP Transmission of property