JPS58156259A - 公衆電話機のアラ−ム情報送信方式 - Google Patents

公衆電話機のアラ−ム情報送信方式

Info

Publication number
JPS58156259A
JPS58156259A JP3889882A JP3889882A JPS58156259A JP S58156259 A JPS58156259 A JP S58156259A JP 3889882 A JP3889882 A JP 3889882A JP 3889882 A JP3889882 A JP 3889882A JP S58156259 A JPS58156259 A JP S58156259A
Authority
JP
Japan
Prior art keywords
circuit
hook
loop
response
dial
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
JP3889882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0137897B2 (enrdf_load_stackoverflow
Inventor
Takashi Oyamada
小山田 隆
Yoshiaki Takeda
竹田 義昭
Yoshio Shinoda
篠田 義男
Toshiaki Hayasaka
早坂 年昭
Toshiji Kinoshita
木下 利治
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP3889882A priority Critical patent/JPS58156259A/ja
Publication of JPS58156259A publication Critical patent/JPS58156259A/ja
Publication of JPH0137897B2 publication Critical patent/JPH0137897B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M17/00Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
JP3889882A 1982-03-12 1982-03-12 公衆電話機のアラ−ム情報送信方式 Granted JPS58156259A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3889882A JPS58156259A (ja) 1982-03-12 1982-03-12 公衆電話機のアラ−ム情報送信方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3889882A JPS58156259A (ja) 1982-03-12 1982-03-12 公衆電話機のアラ−ム情報送信方式

Publications (2)

Publication Number Publication Date
JPS58156259A true JPS58156259A (ja) 1983-09-17
JPH0137897B2 JPH0137897B2 (enrdf_load_stackoverflow) 1989-08-10

Family

ID=12538015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3889882A Granted JPS58156259A (ja) 1982-03-12 1982-03-12 公衆電話機のアラ−ム情報送信方式

Country Status (1)

Country Link
JP (1) JPS58156259A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819261A (en) * 1987-09-10 1989-04-04 Tamura Electric Works Public telephone set
JPH04207558A (ja) * 1990-11-30 1992-07-29 Tamura Electric Works Ltd 公衆電話機
JPH088615B2 (ja) * 1989-09-15 1996-01-29 マース.インコーポレィテッド 低電力コイン作動電話コントローラ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039768A (en) * 1976-05-26 1977-08-02 Maley James B O Pay telephone station monitor system
JPS54127610A (en) * 1978-03-28 1979-10-03 Nippon Telegr & Teleph Corp <Ntt> Rack open/close monitor system for public telephone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039768A (en) * 1976-05-26 1977-08-02 Maley James B O Pay telephone station monitor system
JPS54127610A (en) * 1978-03-28 1979-10-03 Nippon Telegr & Teleph Corp <Ntt> Rack open/close monitor system for public telephone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819261A (en) * 1987-09-10 1989-04-04 Tamura Electric Works Public telephone set
JPH088615B2 (ja) * 1989-09-15 1996-01-29 マース.インコーポレィテッド 低電力コイン作動電話コントローラ
JPH04207558A (ja) * 1990-11-30 1992-07-29 Tamura Electric Works Ltd 公衆電話機

Also Published As

Publication number Publication date
JPH0137897B2 (enrdf_load_stackoverflow) 1989-08-10

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