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JPS52133608A - Frequency discriminating circuit - Google Patents

Frequency discriminating circuit

Info

Publication number
JPS52133608A
JPS52133608A JP5063776A JP5063776A JPS52133608A JP S52133608 A JPS52133608 A JP S52133608A JP 5063776 A JP5063776 A JP 5063776A JP 5063776 A JP5063776 A JP 5063776A JP S52133608 A JPS52133608 A JP S52133608A
Authority
JP
Japan
Prior art keywords
discriminating circuit
frequency discriminating
signal
frequency
distinctly
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
JP5063776A
Other languages
Japanese (ja)
Other versions
JPS5826241B2 (en
Inventor
Masaaki Ishimoto
Taketo Toyoda
Hidetoshi Ueda
Toshio Kawai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP51050637A priority Critical patent/JPS5826241B2/en
Publication of JPS52133608A publication Critical patent/JPS52133608A/en
Publication of JPS5826241B2 publication Critical patent/JPS5826241B2/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: To provide an automatic train control device or the like which acts to digitally count the period of the signal of limit speed of the train in case the signal is distinctly instructed by the frequency for its discrimination.
COPYRIGHT: (C)1977,JPO&Japio
JP51050637A 1976-04-30 1976-04-30 Frequency selection circuit Expired JPS5826241B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51050637A JPS5826241B2 (en) 1976-04-30 1976-04-30 Frequency selection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51050637A JPS5826241B2 (en) 1976-04-30 1976-04-30 Frequency selection circuit

Publications (2)

Publication Number Publication Date
JPS52133608A true JPS52133608A (en) 1977-11-09
JPS5826241B2 JPS5826241B2 (en) 1983-06-01

Family

ID=12864463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51050637A Expired JPS5826241B2 (en) 1976-04-30 1976-04-30 Frequency selection circuit

Country Status (1)

Country Link
JP (1) JPS5826241B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127755A (en) * 1979-03-26 1980-10-02 Nec Corp Digital tone signal detector
JPS56154856A (en) * 1980-04-30 1981-11-30 Mitsubishi Electric Corp Signal detecting circuit
JPS56154855A (en) * 1980-04-30 1981-11-30 Mitsubishi Electric Corp Signal detecting circuit
JPS594367A (en) * 1982-06-30 1984-01-11 Fujitsu Ltd Signal detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127755A (en) * 1979-03-26 1980-10-02 Nec Corp Digital tone signal detector
JPS56154856A (en) * 1980-04-30 1981-11-30 Mitsubishi Electric Corp Signal detecting circuit
JPS56154855A (en) * 1980-04-30 1981-11-30 Mitsubishi Electric Corp Signal detecting circuit
JPS594367A (en) * 1982-06-30 1984-01-11 Fujitsu Ltd Signal detector

Also Published As

Publication number Publication date
JPS5826241B2 (en) 1983-06-01

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