FR2357029B1 - - Google Patents

Info

Publication number
FR2357029B1
FR2357029B1 FR7716790A FR7716790A FR2357029B1 FR 2357029 B1 FR2357029 B1 FR 2357029B1 FR 7716790 A FR7716790 A FR 7716790A FR 7716790 A FR7716790 A FR 7716790A FR 2357029 B1 FR2357029 B1 FR 2357029B1
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
FR7716790A
Other languages
French (fr)
Other versions
FR2357029A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2357029A1 publication Critical patent/FR2357029A1/fr
Application granted granted Critical
Publication of FR2357029B1 publication Critical patent/FR2357029B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
    • G11B27/26—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording by photoelectric detection, e.g. of sprocket holes
FR7716790A 1976-06-30 1977-05-25 Detection des trous d'index pour support d'enregistrem ent magnetique Granted FR2357029A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70131876A 1976-06-30 1976-06-30

Publications (2)

Publication Number Publication Date
FR2357029A1 FR2357029A1 (fr) 1978-01-27
FR2357029B1 true FR2357029B1 (OSRAM) 1980-02-08

Family

ID=24816885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716790A Granted FR2357029A1 (fr) 1976-06-30 1977-05-25 Detection des trous d'index pour support d'enregistrem ent magnetique

Country Status (4)

Country Link
JP (1) JPS533307A (OSRAM)
DE (1) DE2720164A1 (OSRAM)
FR (1) FR2357029A1 (OSRAM)
IT (1) IT1115670B (OSRAM)

Also Published As

Publication number Publication date
FR2357029A1 (fr) 1978-01-27
JPS533307A (en) 1978-01-13
IT1115670B (it) 1986-02-03
DE2720164A1 (de) 1978-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse