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
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 8
- 230000004397 blinking Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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)
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 (US07714131-20100511-C00038.png) | 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 (US07714131-20100511-C00038.png) |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5739639A (en) | Method and apparatus for operating LED array and charging battery for emergency LED operation including DC boost circuit allowing series connection of LED array and battery | |
EP0576209A1 (en) | Remote charging cradle for cordless telephone handset | |
JPS6156909B2 (US07714131-20100511-C00038.png) | ||
JPH09238179A (ja) | 通信装置のバックアップ用バッテリ動作感知回路 | |
US4647723A (en) | Circuit for detection of off-hook condition of extension telephones | |
JP3267708B2 (ja) | 充電装置 | |
JP2538227Y2 (ja) | 電話着信報知用電源供給回路 | |
JPH0623085Y2 (ja) | 端末機器の動作表示回路 | |
JPS5943797Y2 (ja) | 負荷駆動回路 | |
CN221036118U (zh) | 一种雾化扇驱动电路 | |
JPS629657Y2 (US07714131-20100511-C00038.png) | ||
CN210957873U (zh) | 一种无静态放电电流的电池充电电路 | |
CN212104391U (zh) | 一种智能马桶 | |
JP2506967Y2 (ja) | 着信ベル光表示装置 | |
JP2873332B2 (ja) | 高音量ベル回路 | |
KR900007056B1 (ko) | 전화기에 있어서 다기능 표시회로 | |
JPH036056Y2 (US07714131-20100511-C00038.png) | ||
AU688572B2 (en) | Network service status indicators | |
JPH0735487Y2 (ja) | 乾電池式呼出信号発生回路 | |
JPH0556471A (ja) | ボタン電話装置 | |
JPH0321099Y2 (US07714131-20100511-C00038.png) | ||
KR970001646Y1 (ko) | 캠코더용 dc 라이트 드라이브 회로 | |
KR880002762Y1 (ko) | 4선공통 10회로 인터폰 | |
JPH0122104Y2 (US07714131-20100511-C00038.png) | ||
JPS59186496A (ja) | 停電時用着信表示回路 |