FR2136924B1 - - Google Patents

Info

Publication number
FR2136924B1
FR2136924B1 FR7116699A FR7116699A FR2136924B1 FR 2136924 B1 FR2136924 B1 FR 2136924B1 FR 7116699 A FR7116699 A FR 7116699A FR 7116699 A FR7116699 A FR 7116699A FR 2136924 B1 FR2136924 B1 FR 2136924B1
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
FR7116699A
Other versions
FR2136924A1 (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.)
PerkinElmer Inc
Original Assignee
EG&G Inc
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 EG&G Inc filed Critical EG&G Inc
Priority to DE19712122639 priority Critical patent/DE2122639A1/de
Priority to GB1329662D priority patent/GB1329662A/en
Priority to FR7116699A priority patent/FR2136924B1/fr
Publication of FR2136924A1 publication Critical patent/FR2136924A1/fr
Application granted granted Critical
Publication of FR2136924B1 publication Critical patent/FR2136924B1/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
    • 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
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • 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
    • G11B3/008—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor for digital information
    • 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
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08535—Driving the head
    • G11B3/08564—Driving the head the head being driven by means independent of the record carrier driving means
    • G11B3/08567—Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms
    • G11B3/0857—Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms driven by means which support the pick-up arm
    • G11B3/08574—Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms driven by means which support the pick-up arm the supporting element being different from the rotation-axes
    • 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
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/095—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record
FR7116699A 1971-05-07 1971-05-07 Expired FR2136924B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19712122639 DE2122639A1 (de) 1971-05-07 1971-05-07 Speichersystem für Digitaldaten mit wahlfreiem Zugriff
GB1329662D GB1329662A (en) 1971-05-07 1971-05-07 Memory system
FR7116699A FR2136924B1 (fr) 1971-05-07 1971-05-07

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712122639 DE2122639A1 (de) 1971-05-07 1971-05-07 Speichersystem für Digitaldaten mit wahlfreiem Zugriff
GB1375071 1971-05-07
FR7116699A FR2136924B1 (fr) 1971-05-07 1971-05-07

Publications (2)

Publication Number Publication Date
FR2136924A1 FR2136924A1 (fr) 1972-12-29
FR2136924B1 true FR2136924B1 (fr) 1973-05-11

Family

ID=27183414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116699A Expired FR2136924B1 (fr) 1971-05-07 1971-05-07

Country Status (3)

Country Link
DE (1) DE2122639A1 (fr)
FR (1) FR2136924B1 (fr)
GB (1) GB1329662A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938663B2 (ja) * 1975-12-17 1984-09-18 ソニー株式会社 フルオ−トプレ−ヤ ノ セイギヨソウチ
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
EP0030317B1 (fr) * 1979-12-06 1983-07-20 Licentia Patent-Verwaltungs-GmbH Appareil de reproduction pour un support d'enregistrement en forme de disque, en particulier disque vidéo ou audio

Also Published As

Publication number Publication date
DE2122639A1 (de) 1972-11-16
FR2136924A1 (fr) 1972-12-29
GB1329662A (en) 1973-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse