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
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)
- Devices For Supply Of Signal Current (AREA)
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 (enrdf_load_html_response) | 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_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57125570A (en) * | 1981-01-29 | 1982-08-04 | Anritsu Corp | Display device for public telephone set |
-
1979
- 1979-04-28 JP JP5291879A patent/JPS55145468A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55145468A (en) | 1980-11-13 |
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