JPS55162660A - Charging signal monitor circuit for public telephone set - Google Patents

Charging signal monitor circuit for public telephone set

Info

Publication number
JPS55162660A
JPS55162660A JP7041379A JP7041379A JPS55162660A JP S55162660 A JPS55162660 A JP S55162660A JP 7041379 A JP7041379 A JP 7041379A JP 7041379 A JP7041379 A JP 7041379A JP S55162660 A JPS55162660 A JP S55162660A
Authority
JP
Japan
Prior art keywords
charging signal
output
circuit
call
input
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
JP7041379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6156910B2 (enrdf_load_stackoverflow
Inventor
Shigeyasu Tanaka
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.)
Anritsu Corp
Original Assignee
Anritsu 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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP7041379A priority Critical patent/JPS55162660A/ja
Publication of JPS55162660A publication Critical patent/JPS55162660A/ja
Publication of JPS6156910B2 publication Critical patent/JPS6156910B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
JP7041379A 1979-06-05 1979-06-05 Charging signal monitor circuit for public telephone set Granted JPS55162660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7041379A JPS55162660A (en) 1979-06-05 1979-06-05 Charging signal monitor circuit for public telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7041379A JPS55162660A (en) 1979-06-05 1979-06-05 Charging signal monitor circuit for public telephone set

Publications (2)

Publication Number Publication Date
JPS55162660A true JPS55162660A (en) 1980-12-18
JPS6156910B2 JPS6156910B2 (enrdf_load_stackoverflow) 1986-12-04

Family

ID=13430754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7041379A Granted JPS55162660A (en) 1979-06-05 1979-06-05 Charging signal monitor circuit for public telephone set

Country Status (1)

Country Link
JP (1) JPS55162660A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61194967A (ja) * 1985-02-23 1986-08-29 Tamura Electric Works Ltd 公衆電話機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61194967A (ja) * 1985-02-23 1986-08-29 Tamura Electric Works Ltd 公衆電話機

Also Published As

Publication number Publication date
JPS6156910B2 (enrdf_load_stackoverflow) 1986-12-04

Similar Documents

Publication Publication Date Title
JPS55162660A (en) Charging signal monitor circuit for public telephone set
JPS55134568A (en) Data collector
JPS5715548A (en) Polling monitor system
JPS5781753A (en) Improved double-telephone device
JPS57103467A (en) Public terminal communication system
JPS55135461A (en) Starting system for terminal unit
JPS5549065A (en) Charging pulse transmission system
JPS543402A (en) Privacy communication system
JPS52125213A (en) Absence transfer system
JPS53135513A (en) Signal decision circuit of automatic channel selection device
JPS5725756A (en) Call signal detector
JPS57129563A (en) Call signal detector
JPS53122307A (en) Automatic answering telephone set
JPS57194697A (en) Dial pulse receiving system
JPS54120519A (en) Radio telephone set
JPS5563162A (en) Subscriber line call signal transmission system
JPS55133171A (en) Automatic response connection system
JPS5592064A (en) Subscriber's line test system
JPS5588438A (en) Portable radio unit
JPS5683168A (en) Multiconnecting system for automatic telephone exchanger
GB919763A (en) Method for producing telephone fee pulses
JPS5390707A (en) Detecting system for circuit fault
JPS53122304A (en) Key telephone set
JPS57162868A (en) Data terminal device
JPS5456305A (en) Selective calling signal system