JPS55145468A - Coin throw-in urging display circuit for public telephone - Google Patents

Coin throw-in urging display circuit for public telephone

Info

Publication number
JPS55145468A
JPS55145468A JP5291879A JP5291879A JPS55145468A JP S55145468 A JPS55145468 A JP S55145468A JP 5291879 A JP5291879 A JP 5291879A JP 5291879 A JP5291879 A JP 5291879A JP S55145468 A JPS55145468 A JP S55145468A
Authority
JP
Japan
Prior art keywords
voltage
turned
output
circuit
display unit
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
JP5291879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6156909B2 (enrdf_load_stackoverflow
Inventor
Shigeyasu Tanaka
Hideo Takahashi
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 JP5291879A priority Critical patent/JPS55145468A/ja
Publication of JPS55145468A publication Critical patent/JPS55145468A/ja
Publication of JPS6156909B2 publication Critical patent/JPS6156909B2/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)
  • Devices For Supply Of Signal Current (AREA)
  • Prepayment Telephone Systems (AREA)
JP5291879A 1979-04-28 1979-04-28 Coin throw-in urging display circuit for public telephone Granted JPS55145468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5291879A JPS55145468A (en) 1979-04-28 1979-04-28 Coin throw-in urging display circuit for public telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5291879A JPS55145468A (en) 1979-04-28 1979-04-28 Coin throw-in urging display circuit for public telephone

Publications (2)

Publication Number Publication Date
JPS55145468A true JPS55145468A (en) 1980-11-13
JPS6156909B2 JPS6156909B2 (enrdf_load_stackoverflow) 1986-12-04

Family

ID=12928201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5291879A Granted JPS55145468A (en) 1979-04-28 1979-04-28 Coin throw-in urging display circuit for public telephone

Country Status (1)

Country Link
JP (1) JPS55145468A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125570A (en) * 1981-01-29 1982-08-04 Anritsu Corp Display device for public telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125570A (en) * 1981-01-29 1982-08-04 Anritsu Corp Display device for public telephone set

Also Published As

Publication number Publication date
JPS6156909B2 (enrdf_load_stackoverflow) 1986-12-04

Similar Documents

Publication Publication Date Title
AU538058B2 (en) Sound activated light switch
JPS5783930A (en) Buffer circuit
JPS55145468A (en) Coin throw-in urging display circuit for public telephone
JPS5623025A (en) Circuit device
US4011557A (en) Device in a time piece for feeding an electro-luminescent display
CN2370444Y (zh) 抗干扰路灯控制器
JPS559168A (en) Alarm-fitted electronic clock
JPS5731256A (en) Ncu circuit
JPS6433888A (en) Discharge lamp lighting device
JPS6474876A (en) Video camera with electronic view finder
JPS57119527A (en) Radio with digital clock
CN2097477U (zh) 声控微光音乐门铃
JPS56125114A (en) Waveform converter
JPS6146468Y2 (enrdf_load_stackoverflow)
KR0167497B1 (ko) 차량 밧데리를 이용한 카폰 밧데리 절약 회로
CN2406428Y (zh) 电话线断线报警器
JPS5671327A (en) Photoelectric switch
JPS5487269A (en) Electronic alarm watch
KR970029829A (ko) 고전압 발생회로
JPS5631266A (en) Public telephone set
JPS5725023A (en) Electronic apparatus
JPS5565183A (en) Driver circuit for time unit
JPS53111239A (en) Electronic digital equipment
JPS56106416A (en) Control voltage switching circuit
JPS5453982A (en) Driving unit of thin film el display unit