JPS5413713A - Signal transmitter-receiver - Google Patents

Signal transmitter-receiver

Info

Publication number
JPS5413713A
JPS5413713A JP7891977A JP7891977A JPS5413713A JP S5413713 A JPS5413713 A JP S5413713A JP 7891977 A JP7891977 A JP 7891977A JP 7891977 A JP7891977 A JP 7891977A JP S5413713 A JPS5413713 A JP S5413713A
Authority
JP
Japan
Prior art keywords
receiver
signal transmitter
shorted
dial
call
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
JP7891977A
Other languages
Japanese (ja)
Other versions
JPS5919518B2 (en
Inventor
Shigeki Hashimoto
Teruhisa Konishi
Yoshifumi Kubo
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 JP7891977A priority Critical patent/JPS5919518B2/en
Publication of JPS5413713A publication Critical patent/JPS5413713A/en
Publication of JPS5919518B2 publication Critical patent/JPS5919518B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To make a transmitter simple and easy to use by eliminating the need of the timing needed by an exchange and by laying down a restriction when making a call from an extension through a shorted dial, etc., by providing a signal selective mixer and directional coupled circuit.
JP7891977A 1977-07-01 1977-07-01 Signal receiving and transmitting device Expired JPS5919518B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7891977A JPS5919518B2 (en) 1977-07-01 1977-07-01 Signal receiving and transmitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7891977A JPS5919518B2 (en) 1977-07-01 1977-07-01 Signal receiving and transmitting device

Publications (2)

Publication Number Publication Date
JPS5413713A true JPS5413713A (en) 1979-02-01
JPS5919518B2 JPS5919518B2 (en) 1984-05-07

Family

ID=13675253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7891977A Expired JPS5919518B2 (en) 1977-07-01 1977-07-01 Signal receiving and transmitting device

Country Status (1)

Country Link
JP (1) JPS5919518B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292809U (en) * 1983-08-08 1987-06-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292809U (en) * 1983-08-08 1987-06-13

Also Published As

Publication number Publication date
JPS5919518B2 (en) 1984-05-07

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