JPS51143305A - Servo circuit - Google Patents

Servo circuit

Info

Publication number
JPS51143305A
JPS51143305A JP50067257A JP6725775A JPS51143305A JP S51143305 A JPS51143305 A JP S51143305A JP 50067257 A JP50067257 A JP 50067257A JP 6725775 A JP6725775 A JP 6725775A JP S51143305 A JPS51143305 A JP S51143305A
Authority
JP
Japan
Prior art keywords
speed
servo circuit
tape
constant
motor
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.)
Pending
Application number
JP50067257A
Other languages
Japanese (ja)
Inventor
Taiji Shimeki
Koji Matsushima
Nobuyoshi Kihara
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50067257A priority Critical patent/JPS51143305A/en
Publication of JPS51143305A publication Critical patent/JPS51143305A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To run a tape at a constant speed assuring optimum speed of a synchronous motor at all times. If the capstan diameter changes the motor speed is adjusted in proportion to the amount of the change so that a constant tape speed is maintained.
COPYRIGHT: (C)1976,JPO&Japio
JP50067257A 1975-06-03 1975-06-03 Servo circuit Pending JPS51143305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50067257A JPS51143305A (en) 1975-06-03 1975-06-03 Servo circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50067257A JPS51143305A (en) 1975-06-03 1975-06-03 Servo circuit

Publications (1)

Publication Number Publication Date
JPS51143305A true JPS51143305A (en) 1976-12-09

Family

ID=13339701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50067257A Pending JPS51143305A (en) 1975-06-03 1975-06-03 Servo circuit

Country Status (1)

Country Link
JP (1) JPS51143305A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530043U (en) * 1978-08-16 1980-02-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530043U (en) * 1978-08-16 1980-02-27

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