BE848425A - Circuit de mesure de la vitesse d'enregistrment de l'information sur une bande, - Google Patents

Circuit de mesure de la vitesse d'enregistrment de l'information sur une bande,

Info

Publication number
BE848425A
BE848425A BE172432A BE172432A BE848425A BE 848425 A BE848425 A BE 848425A BE 172432 A BE172432 A BE 172432A BE 172432 A BE172432 A BE 172432A BE 848425 A BE848425 A BE 848425A
Authority
BE
Belgium
Prior art keywords
band
measuring
speed
circuit
recording information
Prior art date
Application number
BE172432A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE848425A publication Critical patent/BE848425A/xx

Links

Classifications

    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/54—Controlling, regulating, or indicating speed by stroboscope; by tachometer
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/52—Controlling, regulating, or indicating speed by using signals recorded on, or derived from, record carrier
BE172432A 1976-03-19 1976-11-17 Circuit de mesure de la vitesse d'enregistrment de l'information sur une bande, BE848425A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,677 US4044389A (en) 1976-03-19 1976-03-19 Method and apparatus for measuring the speed at which a tape was recorded

Publications (1)

Publication Number Publication Date
BE848425A true BE848425A (fr) 1977-03-16

Family

ID=24683316

Family Applications (1)

Application Number Title Priority Date Filing Date
BE172432A BE848425A (fr) 1976-03-19 1976-11-17 Circuit de mesure de la vitesse d'enregistrment de l'information sur une bande,

Country Status (11)

Country Link
US (1) US4044389A (xx)
JP (1) JPS52113705A (xx)
AT (1) AT355331B (xx)
BE (1) BE848425A (xx)
CA (1) CA1068397A (xx)
DE (1) DE2652781C3 (xx)
FR (1) FR2345036A1 (xx)
GB (1) GB1533648A (xx)
IT (1) IT1074959B (xx)
NL (1) NL170989C (xx)
SU (1) SU906398A3 (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016027B2 (ja) * 1977-11-18 1985-04-23 ソニー株式会社 タイムコ−ド読取装置
JPS6016028B2 (ja) * 1977-11-18 1985-04-23 ソニー株式会社 タイムコ−ド読取装置
US4151566A (en) * 1977-11-29 1979-04-24 Rca Corporation Magnetic tape position measuring system
JPS5827894B2 (ja) * 1977-12-06 1983-06-13 松下電器産業株式会社 記録モ−ド判別装置
US4224645B1 (en) * 1978-02-03 1999-08-03 Ampex Method and apparatus for controlling the movement of a recording medium
JPS5582573A (en) * 1978-12-19 1980-06-21 Mitsubishi Electric Corp Tape speed discriminator for magnetic recording and reproducing unit
JPS6022418B2 (ja) * 1979-02-19 1985-06-01 松下電器産業株式会社 磁気記録再生装置のテ−プ走行速度設定方式
US4394701A (en) * 1979-11-24 1983-07-19 Matsushita Electric Industrial Co., Ltd. Recording time mode detector
US4323930A (en) * 1980-10-06 1982-04-06 Recortec, Inc. Slow moving video tape reproduction
JPS5769559A (en) * 1980-10-15 1982-04-28 Matsushita Electric Ind Co Ltd Magnetic picture recording and reproducing device
US4550345A (en) * 1981-12-09 1985-10-29 Hitachi, Ltd. Magnetic video pilot signal recording/reproducing system
US4594618A (en) * 1982-12-24 1986-06-10 Canon Kabushiki Kaisha Information reproducing apparatus
EP0557452A4 (en) * 1990-11-13 1993-12-22 Wangtek, Inc. System and method of controlling data transfer rate in a magnetic tape drive
KR0121698Y1 (ko) * 1993-06-30 1998-08-01 김광호 표준/장시간모드 판별신호 기록/재생장치
US6424483B1 (en) * 1995-11-21 2002-07-23 Matsushita Electric Industrial Co., Ltd. Control system of tape travel for a magnetic recording and reproducing apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702382A (en) * 1970-08-11 1972-11-07 Honeywell Inc Frequency divider
US3805286A (en) * 1973-02-01 1974-04-16 Storage Technology Corp Tape velocity detector
US3950735A (en) * 1974-01-04 1976-04-13 Honeywell Information Systems, Inc. Method and apparatus for dynamically controlling read/write operations in a peripheral subsystem

Also Published As

Publication number Publication date
DE2652781C3 (de) 1979-12-20
NL7613321A (nl) 1977-09-21
ATA188577A (de) 1979-07-15
GB1533648A (en) 1978-11-29
US4044389A (en) 1977-08-23
IT1074959B (it) 1985-04-22
FR2345036A1 (fr) 1977-10-14
JPS52113705A (en) 1977-09-24
NL170989C (nl) 1983-01-17
DE2652781A1 (de) 1977-09-29
DE2652781B2 (de) 1979-04-19
SU906398A3 (ru) 1982-02-15
CA1068397A (en) 1979-12-18
NL170989B (nl) 1982-08-16
AT355331B (de) 1980-02-25
JPS5649370B2 (xx) 1981-11-21
FR2345036B1 (xx) 1982-04-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AMPEX CORP.

Effective date: 19941130