JPS536080A - Frequency detection circuit - Google Patents

Frequency detection circuit

Info

Publication number
JPS536080A
JPS536080A JP8012976A JP8012976A JPS536080A JP S536080 A JPS536080 A JP S536080A JP 8012976 A JP8012976 A JP 8012976A JP 8012976 A JP8012976 A JP 8012976A JP S536080 A JPS536080 A JP S536080A
Authority
JP
Japan
Prior art keywords
detection circuit
frequency detection
frequency
input signals
pulses
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
JP8012976A
Other languages
Japanese (ja)
Inventor
Noriyuki Yamashita
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 JP8012976A priority Critical patent/JPS536080A/en
Publication of JPS536080A publication Critical patent/JPS536080A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE: Provided with a counter which counts the output pulses of a pulse generator producing pulses of a higher frequency than the frequency of input signals and a monostable multivibrator, the circuit detects the frequency of the input signals when it reaches a predetermined value.
COPYRIGHT: (C)1978,JPO&Japio
JP8012976A 1976-07-06 1976-07-06 Frequency detection circuit Pending JPS536080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8012976A JPS536080A (en) 1976-07-06 1976-07-06 Frequency detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8012976A JPS536080A (en) 1976-07-06 1976-07-06 Frequency detection circuit

Publications (1)

Publication Number Publication Date
JPS536080A true JPS536080A (en) 1978-01-20

Family

ID=13709602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8012976A Pending JPS536080A (en) 1976-07-06 1976-07-06 Frequency detection circuit

Country Status (1)

Country Link
JP (1) JPS536080A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107784A (en) * 1978-02-13 1979-08-23 Nippon Precision Circuits Period measuring circuit
JPS5531919A (en) * 1978-08-30 1980-03-06 Oki Electric Ind Co Ltd Frequency comparator
JPS55104767A (en) * 1979-02-07 1980-08-11 Tokai Rika Co Ltd Digital hysteresis circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107784A (en) * 1978-02-13 1979-08-23 Nippon Precision Circuits Period measuring circuit
JPS5531919A (en) * 1978-08-30 1980-03-06 Oki Electric Ind Co Ltd Frequency comparator
JPS55104767A (en) * 1979-02-07 1980-08-11 Tokai Rika Co Ltd Digital hysteresis circuit
JPS6321144B2 (en) * 1979-02-07 1988-05-02 Tokai Rika Co Ltd

Similar Documents

Publication Publication Date Title
JPS536080A (en) Frequency detection circuit
JPS53102083A (en) Discrimination circuit of moving direction
JPS51149047A (en) Signal processing circuit
JPS5330857A (en) Signal change detector circuit
JPS53143874A (en) Sending velocity command pulse generator
JPS52133235A (en) Judging circuit
JPS51151002A (en) Receiver unit
JPS5374068A (en) Time control system
JPS547114A (en) Speed signal generator
JPS53117925A (en) Frequency control circuit
JPS5335582A (en) Peak position detecting circuit of signal wave form
JPS5437624A (en) Phase calibration system of facsimile equipment
JPS52151551A (en) Impulse noise deletion circuit
JPS53102008A (en) Demodulation circuit
JPS5323552A (en) Pulse row detection circuit
JPS5425877A (en) Pulse period judgement circuit
JPS546449A (en) Pulse count fm-detection circuit
JPS52137242A (en) Pulse signal generator
JPS54127375A (en) Waveform level discriminating device
JPS5348655A (en) Pulse stop detection device
JPS5417657A (en) Frequency discrimanator circuit
JPS5362452A (en) Pulse fault detecting circuit
JPS52138167A (en) Frequency discrimination device
JPS5313445A (en) Pulse converting circuit
JPS5240042A (en) Low-frequency narrow-band filter