JPS5694847A - Automatic switch circuit of transmitter - Google Patents

Automatic switch circuit of transmitter

Info

Publication number
JPS5694847A
JPS5694847A JP17102979A JP17102979A JPS5694847A JP S5694847 A JPS5694847 A JP S5694847A JP 17102979 A JP17102979 A JP 17102979A JP 17102979 A JP17102979 A JP 17102979A JP S5694847 A JPS5694847 A JP S5694847A
Authority
JP
Japan
Prior art keywords
transmitter
fault
switching
signal
given
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
JP17102979A
Other languages
Japanese (ja)
Inventor
Kiyoshi Takeda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP17102979A priority Critical patent/JPS5694847A/en
Publication of JPS5694847A publication Critical patent/JPS5694847A/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
    • H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

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

Abstract

PURPOSE:To carry out a transmitting action even in case a fault is decided mistakenly, by securing a continuous switching action up to a certain value in counting of the pulses given from the transmitter fault detecting circuit for the transmitter automatic switching circuit which is used in a radio repeating device. CONSTITUTION:In the active mode of the transmitter TX1, the transmitter fault detecting circuit 5 monitors the output of the TX1 and then delivers the signal TA when detecting a fault. Thus the FF4 is set to operate the relay EX. Then the TX1 is switched to the transmitter TX2, and the first stage is set for each of the counters FF1-FF3 when the signal TA becomes 0. In case the TX2 has some fault with production of the signal TA, the relay EX is actuated by the FF4 to switch the transmitter to the TX1. At the same time, the FF2 of the 2nd stage is set for the counter. In such way, the switching is given three times to set the FF3 of the counter. Then the FF4 is locked under a set state by the output of the FF3, and no switching is given thereafter.
JP17102979A 1979-12-28 1979-12-28 Automatic switch circuit of transmitter Pending JPS5694847A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17102979A JPS5694847A (en) 1979-12-28 1979-12-28 Automatic switch circuit of transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17102979A JPS5694847A (en) 1979-12-28 1979-12-28 Automatic switch circuit of transmitter

Publications (1)

Publication Number Publication Date
JPS5694847A true JPS5694847A (en) 1981-07-31

Family

ID=15915758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17102979A Pending JPS5694847A (en) 1979-12-28 1979-12-28 Automatic switch circuit of transmitter

Country Status (1)

Country Link
JP (1) JPS5694847A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586663B2 (en) 2013-09-27 2017-03-07 Suzuki Motor Corporation Intake apparatus of engine for outboard motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586663B2 (en) 2013-09-27 2017-03-07 Suzuki Motor Corporation Intake apparatus of engine for outboard motor

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