FR2475738A1 - Detecteur de rotation notamment pour un magnetoscope - Google Patents

Detecteur de rotation notamment pour un magnetoscope Download PDF

Info

Publication number
FR2475738A1
FR2475738A1 FR8102424A FR8102424A FR2475738A1 FR 2475738 A1 FR2475738 A1 FR 2475738A1 FR 8102424 A FR8102424 A FR 8102424A FR 8102424 A FR8102424 A FR 8102424A FR 2475738 A1 FR2475738 A1 FR 2475738A1
Authority
FR
France
Prior art keywords
magnet
drum
rotation
plate
rotation detector
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
FR8102424A
Other languages
English (en)
French (fr)
Other versions
FR2475738B1 (OSRAM
Inventor
Takashi Kubo
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP1502080U external-priority patent/JPS614849Y2/ja
Priority claimed from JP2580380A external-priority patent/JPS56126542A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2475738A1 publication Critical patent/FR2475738A1/fr
Application granted granted Critical
Publication of FR2475738B1 publication Critical patent/FR2475738B1/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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR8102424A 1980-02-08 1981-02-06 Detecteur de rotation notamment pour un magnetoscope Granted FR2475738A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1502080U JPS614849Y2 (OSRAM) 1980-02-08 1980-02-08
JP2580380A JPS56126542A (en) 1980-02-29 1980-02-29 Press fitting method of member

Publications (2)

Publication Number Publication Date
FR2475738A1 true FR2475738A1 (fr) 1981-08-14
FR2475738B1 FR2475738B1 (OSRAM) 1985-03-22

Family

ID=26351084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102424A Granted FR2475738A1 (fr) 1980-02-08 1981-02-06 Detecteur de rotation notamment pour un magnetoscope

Country Status (7)

Country Link
US (1) US4599531A (OSRAM)
CA (1) CA1157546A (OSRAM)
CH (1) CH650865A5 (OSRAM)
DE (1) DE3104238A1 (OSRAM)
FR (1) FR2475738A1 (OSRAM)
GB (1) GB2069145B (OSRAM)
IT (1) IT1169038B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133709A1 (de) * 1991-10-11 1993-04-15 Schaeffler Waelzlager Kg Impulsrad fuer eine einrichtung zum messen einer drehzahl
US5256923A (en) * 1992-05-11 1993-10-26 A. O. Smith Corporation Switched reluctance motor with sensorless position detection
US6611755B1 (en) 1999-12-19 2003-08-26 Trimble Navigation Ltd. Vehicle tracking, communication and fleet management system
WO2009059328A2 (en) * 2007-11-02 2009-05-07 The Johns Hopkins University Multi- component l2 vaccine for prevention of human papillomavirus infection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2140033A1 (OSRAM) * 1971-05-28 1973-01-12 Knorr Bremse Gmbh

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL163090C (nl) * 1968-09-14 1980-07-15 Sanyo Electric Co Videobandopname- en -weergaveapparaat geschikt voor normale en vertraagde weergave.
US3688306A (en) * 1970-03-18 1972-08-29 Nippon Denso Co Digital type rotational angle detector
US3728565A (en) * 1971-07-21 1973-04-17 Eaton Corp Device for sensing the direction and speed of a shaft
US4061938A (en) * 1975-06-20 1977-12-06 Matsushita Electric Industrial Co., Ltd. Device for generating electrical pulses in response to shaft rotation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2140033A1 (OSRAM) * 1971-05-28 1973-01-12 Knorr Bremse Gmbh

Also Published As

Publication number Publication date
IT1169038B (it) 1987-05-20
CH650865A5 (de) 1985-08-15
DE3104238A1 (de) 1982-01-14
IT8119570A0 (it) 1981-02-06
GB2069145A (en) 1981-08-19
FR2475738B1 (OSRAM) 1985-03-22
GB2069145B (en) 1983-12-21
IT8119570A1 (it) 1982-08-06
US4599531A (en) 1986-07-08
CA1157546A (en) 1983-11-22

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Date Code Title Description
ST Notification of lapse