JPS58117459A - 映像信号記録再生装置 - Google Patents

映像信号記録再生装置

Info

Publication number
JPS58117459A
JPS58117459A JP56212086A JP21208681A JPS58117459A JP S58117459 A JPS58117459 A JP S58117459A JP 56212086 A JP56212086 A JP 56212086A JP 21208681 A JP21208681 A JP 21208681A JP S58117459 A JPS58117459 A JP S58117459A
Authority
JP
Japan
Prior art keywords
pulse
signal
circuit
phase
magnet
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
JP56212086A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0446076B2 (enrdf_load_stackoverflow
Inventor
Mitsuo Uzuka
光男 宇塚
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP56212086A priority Critical patent/JPS58117459A/ja
Publication of JPS58117459A publication Critical patent/JPS58117459A/ja
Publication of JPH0446076B2 publication Critical patent/JPH0446076B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP56212086A 1981-12-30 1981-12-30 映像信号記録再生装置 Granted JPS58117459A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56212086A JPS58117459A (ja) 1981-12-30 1981-12-30 映像信号記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56212086A JPS58117459A (ja) 1981-12-30 1981-12-30 映像信号記録再生装置

Publications (2)

Publication Number Publication Date
JPS58117459A true JPS58117459A (ja) 1983-07-13
JPH0446076B2 JPH0446076B2 (enrdf_load_stackoverflow) 1992-07-28

Family

ID=16616635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56212086A Granted JPS58117459A (ja) 1981-12-30 1981-12-30 映像信号記録再生装置

Country Status (1)

Country Link
JP (1) JPS58117459A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148158A (ja) * 1984-08-13 1986-03-08 Seiko Epson Corp 回転ヘツドドラム
JPS6161253A (ja) * 1984-08-31 1986-03-29 Seiko Epson Corp 回転ヘツドドラム
US5148070A (en) * 1991-08-30 1992-09-15 Platt Saco Lowell Corporation Apparatus for commutation of an electric motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683812A (en) * 1979-12-11 1981-07-08 Matsushita Electric Ind Co Ltd Video tape recorder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683812A (en) * 1979-12-11 1981-07-08 Matsushita Electric Ind Co Ltd Video tape recorder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148158A (ja) * 1984-08-13 1986-03-08 Seiko Epson Corp 回転ヘツドドラム
JPS6161253A (ja) * 1984-08-31 1986-03-29 Seiko Epson Corp 回転ヘツドドラム
US5148070A (en) * 1991-08-30 1992-09-15 Platt Saco Lowell Corporation Apparatus for commutation of an electric motor

Also Published As

Publication number Publication date
JPH0446076B2 (enrdf_load_stackoverflow) 1992-07-28

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