JPH0370481U - - Google Patents
Info
- Publication number
- JPH0370481U JPH0370481U JP1989130907U JP13090789U JPH0370481U JP H0370481 U JPH0370481 U JP H0370481U JP 1989130907 U JP1989130907 U JP 1989130907U JP 13090789 U JP13090789 U JP 13090789U JP H0370481 U JPH0370481 U JP H0370481U
- Authority
- JP
- Japan
- Prior art keywords
- exchange
- current
- polarity
- circuit
- loop
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mobile Radio Communication Systems (AREA)
- Meter Arrangements (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989130907U JPH0728767Y2 (ja) | 1989-11-09 | 1989-11-09 | 船舶電話等の交換機に用いる自動極性反転装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989130907U JPH0728767Y2 (ja) | 1989-11-09 | 1989-11-09 | 船舶電話等の交換機に用いる自動極性反転装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0370481U true JPH0370481U (pl) | 1991-07-15 |
JPH0728767Y2 JPH0728767Y2 (ja) | 1995-06-28 |
Family
ID=31678447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989130907U Expired - Fee Related JPH0728767Y2 (ja) | 1989-11-09 | 1989-11-09 | 船舶電話等の交換機に用いる自動極性反転装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0728767Y2 (pl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102427620B1 (ko) * | 2021-04-30 | 2022-08-02 | 진우산전 주식회사 | 차량 감지기의 검지 위치 표시장치 |
-
1989
- 1989-11-09 JP JP1989130907U patent/JPH0728767Y2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102427620B1 (ko) * | 2021-04-30 | 2022-08-02 | 진우산전 주식회사 | 차량 감지기의 검지 위치 표시장치 |
Also Published As
Publication number | Publication date |
---|---|
JPH0728767Y2 (ja) | 1995-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |