JPS5263374A - Frequency discriminator - Google Patents

Frequency discriminator

Info

Publication number
JPS5263374A
JPS5263374A JP12748575A JP12748575A JPS5263374A JP S5263374 A JPS5263374 A JP S5263374A JP 12748575 A JP12748575 A JP 12748575A JP 12748575 A JP12748575 A JP 12748575A JP S5263374 A JPS5263374 A JP S5263374A
Authority
JP
Japan
Prior art keywords
frequency discriminator
flucturation
ontrolling
vtr
employing
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
JP12748575A
Other languages
Japanese (ja)
Inventor
Masao Ishikura
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.)
Kokusai Denki Electric Inc
Original Assignee
Hitachi Denshi KK
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 Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP12748575A priority Critical patent/JPS5263374A/en
Publication of JPS5263374A publication Critical patent/JPS5263374A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Frequencies, Analyzing Spectra (AREA)

Abstract

PURPOSE: To improve stability against variation in outside ambient temperature and flucturation in power voltage by employing a digital detector in a servo control system for ontrolling the d.c. motor of a VTR.
COPYRIGHT: (C)1977,JPO&Japio
JP12748575A 1975-10-24 1975-10-24 Frequency discriminator Pending JPS5263374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12748575A JPS5263374A (en) 1975-10-24 1975-10-24 Frequency discriminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12748575A JPS5263374A (en) 1975-10-24 1975-10-24 Frequency discriminator

Publications (1)

Publication Number Publication Date
JPS5263374A true JPS5263374A (en) 1977-05-25

Family

ID=14961095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12748575A Pending JPS5263374A (en) 1975-10-24 1975-10-24 Frequency discriminator

Country Status (1)

Country Link
JP (1) JPS5263374A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131764A (en) * 1973-04-24 1974-12-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131764A (en) * 1973-04-24 1974-12-17

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