FR2043779B2 - - Google Patents

Info

Publication number
FR2043779B2
FR2043779B2 FR7019576A FR7019576A FR2043779B2 FR 2043779 B2 FR2043779 B2 FR 2043779B2 FR 7019576 A FR7019576 A FR 7019576A FR 7019576 A FR7019576 A FR 7019576A FR 2043779 B2 FR2043779 B2 FR 2043779B2
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.)
Expired
Application number
FR7019576A
Other languages
French (fr)
Other versions
FR2043779A2 (de
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 DE1903822A external-priority patent/DE1903822C3/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2043779A2 publication Critical patent/FR2043779A2/fr
Application granted granted Critical
Publication of FR2043779B2 publication Critical patent/FR2043779B2/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Lenses (AREA)
FR7019576A 1969-01-23 1970-05-28 Expired FR2043779B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1903822A DE1903822C3 (de) 1969-01-23 1969-01-23 Vorrichtung zur Wiedergabe auf einem Trager gespeicherter Signale, Aufzeichnungs verfahren für einen Trager sowie Trager zur Wiedergabe mit der Vorrichtung
DE19691927408 DE1927408C3 (de) 1969-01-23 1969-05-29 Vorrichtung zur Wiedergabe von gespeicherten Signalen

Publications (2)

Publication Number Publication Date
FR2043779A2 FR2043779A2 (de) 1971-02-19
FR2043779B2 true FR2043779B2 (de) 1976-02-20

Family

ID=25756903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7019576A Expired FR2043779B2 (de) 1969-01-23 1970-05-28

Country Status (5)

Country Link
AT (1) AT314853B (de)
DE (1) DE1927408C3 (de)
FR (1) FR2043779B2 (de)
GB (1) GB1302568A (de)
NL (1) NL7007594A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828216A (de) * 1971-08-16 1973-04-14
JPS4829413A (de) * 1971-08-19 1973-04-19
JPS4829409A (de) * 1971-08-19 1973-04-19
JPS4831967A (de) * 1971-08-27 1973-04-26
JPS4832543A (de) * 1971-08-30 1973-04-28
JPS4833834A (de) * 1971-09-01 1973-05-14
FR2197495A5 (de) * 1972-08-25 1974-03-22 Thomson Csf
JPS4969102A (de) * 1972-11-04 1974-07-04
FR2321164A1 (fr) * 1975-08-13 1977-03-11 Thomson Csf Procede mecano-optique de diffusion de l'information, disque et dispositifs d'enregistrement et de lecture pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
DE1927408B2 (de) 1973-07-12
GB1302568A (de) 1973-01-10
DE1927408C3 (de) 1974-02-28
FR2043779A2 (de) 1971-02-19
NL7007594A (de) 1970-12-01
AT314853B (de) 1974-04-25
DE1927408A1 (de) 1971-03-11

Similar Documents

Publication Publication Date Title
AU465452B2 (de)
AU429630B2 (de)
AU450150B2 (de)
FR2043779A2 (de)
AU442375B2 (de)
AU470301B1 (de)
AU427401B2 (de)
AU442463B2 (de)
AU470661B1 (de)
AU442380B2 (de)
AU442357B2 (de)
AU428131B2 (de)
AU438128B2 (de)
AU442535B2 (de)
AU442538B2 (de)
AU442554B2 (de)
AU428129B2 (de)
AU428074B2 (de)
AU442322B2 (de)
AU442285B2 (de)
AU4540468A (de)
CS148366B1 (de)
AU4949169A (de)
AU4953367A (de)
BG17010A3 (de)

Legal Events

Date Code Title Description
TP Transmission of property