JPS6156909B2 - - Google Patents

Info

Publication number
JPS6156909B2
JPS6156909B2 JP5291879A JP5291879A JPS6156909B2 JP S6156909 B2 JPS6156909 B2 JP S6156909B2 JP 5291879 A JP5291879 A JP 5291879A JP 5291879 A JP5291879 A JP 5291879A JP S6156909 B2 JPS6156909 B2 JP S6156909B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
display
power supply
transistor
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.)
Expired
Application number
JP5291879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55145468A (en
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 JPS55145468A (en) 1980-11-13
JPS6156909B2 true JPS6156909B2 (en]) 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 (en])

Families Citing this family (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
JPS55145468A (en) 1980-11-13

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