FR2316689A1 - Dispositif pour detecter la vitesse de rotation d'une bobine de bande magnetique - Google Patents

Dispositif pour detecter la vitesse de rotation d'une bobine de bande magnetique

Info

Publication number
FR2316689A1
FR2316689A1 FR7618708A FR7618708A FR2316689A1 FR 2316689 A1 FR2316689 A1 FR 2316689A1 FR 7618708 A FR7618708 A FR 7618708A FR 7618708 A FR7618708 A FR 7618708A FR 2316689 A1 FR2316689 A1 FR 2316689A1
Authority
FR
France
Prior art keywords
detecting
rotation speed
magnetic tape
tape coil
coil
Prior art date
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.)
Granted
Application number
FR7618708A
Other languages
English (en)
Other versions
FR2316689B1 (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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP50075128A external-priority patent/JPS5210720A/ja
Priority claimed from JP50075970A external-priority patent/JPS5210722A/ja
Priority claimed from JP50075969A external-priority patent/JPS5210721A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2316689A1 publication Critical patent/FR2316689A1/fr
Application granted granted Critical
Publication of FR2316689B1 publication Critical patent/FR2316689B1/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
    • 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
    • G11B15/093—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 driving condition of record carrier, e.g. travel, tape tension
    • 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
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • 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
    • G11B27/34—Indicating arrangements 
FR7618708A 1975-06-19 1976-06-18 Dispositif pour detecter la vitesse de rotation d'une bobine de bande magnetique Granted FR2316689A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP50075128A JPS5210720A (en) 1975-06-19 1975-06-19 Tape residue notification device
JP50075970A JPS5210722A (en) 1975-06-20 1975-06-20 Tape residue notification device
JP50075969A JPS5210721A (en) 1975-06-20 1975-06-20 Tape residue notification device

Publications (2)

Publication Number Publication Date
FR2316689A1 true FR2316689A1 (fr) 1977-01-28
FR2316689B1 FR2316689B1 (fr) 1980-08-14

Family

ID=27301712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618708A Granted FR2316689A1 (fr) 1975-06-19 1976-06-18 Dispositif pour detecter la vitesse de rotation d'une bobine de bande magnetique

Country Status (4)

Country Link
US (1) US4085698A (fr)
DE (1) DE2627771A1 (fr)
FR (1) FR2316689A1 (fr)
GB (1) GB1526014A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850869A (ja) * 1981-09-21 1983-03-25 Canon Inc スチルビデオカメラ
JPS61500389A (ja) * 1983-11-09 1986-03-06 フオ−ド　モ−タ−　カンパニ− テープ運搬機構

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514402A (en) * 1946-07-02 1950-07-11 Cons Eng Corp Photographic strip control and indicating mechanism
US3305185A (en) * 1964-06-19 1967-02-21 Andrew J Tegu Automatic film rewinder shut-off
US3480230A (en) * 1966-11-26 1969-11-25 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing apparatus
US3759463A (en) * 1970-12-14 1973-09-18 Matsushita Electric Ind Co Ltd Device for detecting stoppage of rotation
JPS5341401Y2 (fr) * 1972-10-19 1978-10-05

Also Published As

Publication number Publication date
DE2627771C3 (fr) 1979-07-26
US4085698A (en) 1978-04-25
GB1526014A (en) 1978-09-27
DE2627771B2 (fr) 1978-11-02
DE2627771A1 (de) 1976-12-23
FR2316689B1 (fr) 1980-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse