FR2066862A1 - - Google Patents

Info

Publication number
FR2066862A1
FR2066862A1 FR6935243A FR6935243A FR2066862A1 FR 2066862 A1 FR2066862 A1 FR 2066862A1 FR 6935243 A FR6935243 A FR 6935243A FR 6935243 A FR6935243 A FR 6935243A FR 2066862 A1 FR2066862 A1 FR 2066862A1
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.)
Withdrawn
Application number
FR6935243A
Other languages
French (fr)
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.)
RIQUOIS PHILIPPE
Original Assignee
RIQUOIS PHILIPPE
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 RIQUOIS PHILIPPE filed Critical RIQUOIS PHILIPPE
Priority to FR6935243A priority Critical patent/FR2066862A1/fr
Publication of FR2066862A1 publication Critical patent/FR2066862A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/90—Record carriers with means indicating prior or unauthorised use
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
FR6935243A 1969-10-15 1969-10-15 Withdrawn FR2066862A1 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6935243A FR2066862A1 (enrdf_load_stackoverflow) 1969-10-15 1969-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6935243A FR2066862A1 (enrdf_load_stackoverflow) 1969-10-15 1969-10-15

Publications (1)

Publication Number Publication Date
FR2066862A1 true FR2066862A1 (enrdf_load_stackoverflow) 1971-08-13

Family

ID=9041552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6935243A Withdrawn FR2066862A1 (enrdf_load_stackoverflow) 1969-10-15 1969-10-15

Country Status (1)

Country Link
FR (1) FR2066862A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938810A (en) * 1972-04-19 1976-02-17 Rca Corporation Center hole formation in an information storing disc

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938810A (en) * 1972-04-19 1976-02-17 Rca Corporation Center hole formation in an information storing disc

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Legal Events

Date Code Title Description
ST Notification of lapse