FR2139263A5 - - Google Patents

Info

Publication number
FR2139263A5
FR2139263A5 FR7214987A FR7214987A FR2139263A5 FR 2139263 A5 FR2139263 A5 FR 2139263A5 FR 7214987 A FR7214987 A FR 7214987A FR 7214987 A FR7214987 A FR 7214987A FR 2139263 A5 FR2139263 A5 FR 2139263A5
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
FR7214987A
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of FR2139263A5 publication Critical patent/FR2139263A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/12—Program control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
    • G05B19/16—Program control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers using magnetic record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
FR7214987A 1971-04-28 1972-04-27 Expired FR2139263A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13817371A 1971-04-28 1971-04-28

Publications (1)

Publication Number Publication Date
FR2139263A5 true FR2139263A5 (fr) 1973-01-05

Family

ID=22480790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214987A Expired FR2139263A5 (fr) 1971-04-28 1972-04-27

Country Status (6)

Country Link
US (1) US3744030A (fr)
BE (1) BE782584A (fr)
CA (1) CA949224A (fr)
DE (1) DE2221092A1 (fr)
FR (1) FR2139263A5 (fr)
GB (1) GB1367991A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829920A1 (de) * 1978-07-07 1980-01-17 Saba Gmbh Schaltungsanordnung zum automatischen aufsuchen von auf einem magnetband aufgezeichneten programmen

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016540A (en) * 1970-12-28 1977-04-05 Gilbert Peter Hyatt Apparatus and method for providing interactive audio communication
US4060848A (en) * 1970-12-28 1977-11-29 Gilbert Peter Hyatt Electronic calculator system having audio messages for operator interaction
US4825364A (en) * 1970-12-28 1989-04-25 Hyatt Gilbert P Monolithic data processor with memory refresh
US4896260A (en) * 1970-12-28 1990-01-23 Hyatt Gilbert P Data processor having integrated circuit memory refresh
US5615380A (en) * 1969-11-24 1997-03-25 Hyatt; Gilbert P. Integrated circuit computer system having a keyboard input and a sound output
DE2907834A1 (de) * 1979-02-28 1980-09-04 Polygram Gmbh Verfahren zur digitalen aufzeichnung von analog-signalen, insbesondere audio-signalen sowie zur analogen wiedergabe dieser digital aufgezeichneten signale
US5594908A (en) * 1989-12-27 1997-01-14 Hyatt; Gilbert P. Computer system having a serial keyboard, a serial display, and a dynamic memory with memory refresh

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141243A (en) * 1961-03-27 1964-07-21 Bunker Ramo Automatic tutorial system
US3360873A (en) * 1965-10-01 1968-01-02 James A. Tillotson Electronic device and method for testing and teaching
US3537190A (en) * 1968-02-05 1970-11-03 Educational Testing Service Teaching machine control system
US3484950A (en) * 1968-06-12 1969-12-23 Educational Testing Service Teaching machine
US3573744A (en) * 1968-11-01 1971-04-06 Bell Telephone Labor Inc Data buffer system for transferring information from a first to a second storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829920A1 (de) * 1978-07-07 1980-01-17 Saba Gmbh Schaltungsanordnung zum automatischen aufsuchen von auf einem magnetband aufgezeichneten programmen

Also Published As

Publication number Publication date
BE782584A (fr) 1972-08-16
US3744030A (en) 1973-07-03
GB1367991A (en) 1974-09-25
CA949224A (en) 1974-06-11
DE2221092A1 (de) 1972-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse