JPS57188172A - Urging signal transmission controller for public telephone set - Google Patents

Urging signal transmission controller for public telephone set

Info

Publication number
JPS57188172A
JPS57188172A JP7391081A JP7391081A JPS57188172A JP S57188172 A JPS57188172 A JP S57188172A JP 7391081 A JP7391081 A JP 7391081A JP 7391081 A JP7391081 A JP 7391081A JP S57188172 A JPS57188172 A JP S57188172A
Authority
JP
Japan
Prior art keywords
signal
circuit
urging
telephone set
output
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
JP7391081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6411190B2 (enrdf_load_stackoverflow
Inventor
Shigeyasu Tanaka
Takao Saito
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 JP7391081A priority Critical patent/JPS57188172A/ja
Publication of JPS57188172A publication Critical patent/JPS57188172A/ja
Publication of JPS6411190B2 publication Critical patent/JPS6411190B2/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)
JP7391081A 1981-05-15 1981-05-15 Urging signal transmission controller for public telephone set Granted JPS57188172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7391081A JPS57188172A (en) 1981-05-15 1981-05-15 Urging signal transmission controller for public telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7391081A JPS57188172A (en) 1981-05-15 1981-05-15 Urging signal transmission controller for public telephone set

Publications (2)

Publication Number Publication Date
JPS57188172A true JPS57188172A (en) 1982-11-19
JPS6411190B2 JPS6411190B2 (enrdf_load_stackoverflow) 1989-02-23

Family

ID=13531799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7391081A Granted JPS57188172A (en) 1981-05-15 1981-05-15 Urging signal transmission controller for public telephone set

Country Status (1)

Country Link
JP (1) JPS57188172A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08276093A (ja) * 1995-04-05 1996-10-22 Obane Hikaku Kk 洗濯治具

Also Published As

Publication number Publication date
JPS6411190B2 (enrdf_load_stackoverflow) 1989-02-23

Similar Documents

Publication Publication Date Title
JPS57188172A (en) Urging signal transmission controller for public telephone set
JPS52125213A (en) Absence transfer system
SU1732487A1 (ru) Устройство дл автоматического установлени соединени
JPS57145466A (en) Switchboard
JPS57103467A (en) Public terminal communication system
JPS5731256A (en) Ncu circuit
JPS5496906A (en) Telephone set for both pb and dp signals
JPS56123144A (en) Cordless telephone set
JPS5715563A (en) Coin deposition type facsimile system
JPS5245804A (en) Telephone memo recording method
JPS5773554A (en) Button telephone set
JPS57162868A (en) Data terminal device
JPS57160251A (en) Automatic answering telephone set
JPS53101913A (en) Selective calling signal system of party line telephone set
JPS57162871A (en) Transmission controller for urging signal of public telephone set
JPS5799069A (en) Call display device in transfer telephone
JPS52123809A (en) Detection of caller#s number
JPS648755A (en) Conference communication equipment
GB989739A (en) A telephone system with line concentrator stations
JPS6416169A (en) Telephone set with call charge display function
JPS5560361A (en) Automatic switching circuit between bit synchronism and bit asynchronism
JPS5315006A (en) Howling preventing circuit
JPS57133748A (en) Transmission restricting method for telephone set
JPS556931A (en) Dial tone detecting system
JPS5452915A (en) Facsimile