JPS5510266A - Controller - Google Patents

Controller

Info

Publication number
JPS5510266A
JPS5510266A JP8330178A JP8330178A JPS5510266A JP S5510266 A JPS5510266 A JP S5510266A JP 8330178 A JP8330178 A JP 8330178A JP 8330178 A JP8330178 A JP 8330178A JP S5510266 A JPS5510266 A JP S5510266A
Authority
JP
Japan
Prior art keywords
signal
sound
transmitter
sound signal
circuit
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
JP8330178A
Other languages
Japanese (ja)
Inventor
Kazuo Mitsui
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 JP8330178A priority Critical patent/JPS5510266A/en
Publication of JPS5510266A publication Critical patent/JPS5510266A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)

Abstract

PURPOSE:To send high-reliability information out by preventing malfunction in case that a single-frequency signal is inputted for a long time, by controlling a control circuit by the output of a transmitter-starting signal detection circuit which decides on the existence of a sound signal. CONSTITUTION:A transmitter-starting signal, one of control terms for a radio equipment on an ordinary single transmission system, is used as an out-sound-band signal with a sound separated and then used as a decision signal indicating the existence of a sound signal. When the sound signal arrives, the transmitter-starting signal is separated from the sound signal by HPF21 and detected by detector 23 after passing through BPF22. By this detection output, relay 25 is operated; the circuit of contacts 8 and 13 relays 7 and 12 operated by the sound signal is cut off by contact 26 of relay 25 and the circuit connected to contacts 8 and 13 when a single-frequency signal arrives for a long time is stopped from operating, thereby preventing malfunction.
JP8330178A 1978-07-07 1978-07-07 Controller Pending JPS5510266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8330178A JPS5510266A (en) 1978-07-07 1978-07-07 Controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8330178A JPS5510266A (en) 1978-07-07 1978-07-07 Controller

Publications (1)

Publication Number Publication Date
JPS5510266A true JPS5510266A (en) 1980-01-24

Family

ID=13798577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8330178A Pending JPS5510266A (en) 1978-07-07 1978-07-07 Controller

Country Status (1)

Country Link
JP (1) JPS5510266A (en)

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