JPS63182688U - - Google Patents
Info
- Publication number
- JPS63182688U JPS63182688U JP7183387U JP7183387U JPS63182688U JP S63182688 U JPS63182688 U JP S63182688U JP 7183387 U JP7183387 U JP 7183387U JP 7183387 U JP7183387 U JP 7183387U JP S63182688 U JPS63182688 U JP S63182688U
- Authority
- JP
- Japan
- Prior art keywords
- current detection
- loop current
- circuit
- impedance
- ground line
- 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 6
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Voltage And Current In General (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071833U JPH0717275Y2 (ja) | 1987-05-15 | 1987-05-15 | トランスレス電子機器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071833U JPH0717275Y2 (ja) | 1987-05-15 | 1987-05-15 | トランスレス電子機器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63182688U true JPS63182688U (cs) | 1988-11-24 |
| JPH0717275Y2 JPH0717275Y2 (ja) | 1995-04-19 |
Family
ID=30914744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987071833U Expired - Lifetime JPH0717275Y2 (ja) | 1987-05-15 | 1987-05-15 | トランスレス電子機器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717275Y2 (cs) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50131051A (cs) * | 1974-04-03 | 1975-10-16 |
-
1987
- 1987-05-15 JP JP1987071833U patent/JPH0717275Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50131051A (cs) * | 1974-04-03 | 1975-10-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717275Y2 (ja) | 1995-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63182688U (cs) | ||
| JPS6433230U (cs) | ||
| JPS62103339U (cs) | ||
| JPS61151417U (cs) | ||
| JPS628789U (cs) | ||
| JPS5969555U (ja) | 線路試験装置 | |
| JPS6251416U (cs) | ||
| JPH02131791U (cs) | ||
| JPH0366258U (cs) | ||
| JPS59118095U (ja) | ガス警報器 | |
| JPH01127097U (cs) | ||
| JPS6165372U (cs) | ||
| JPS59180211U (ja) | 機器接続切換回路 | |
| JPS61163448U (cs) | ||
| JPS61157882U (cs) | ||
| JPS58189619U (ja) | レベルシフト回路 | |
| JPS601094U (ja) | スピ−カ装置 | |
| JPS6442652U (cs) | ||
| JPS63290U (cs) | ||
| JPS62112044U (cs) | ||
| JPS58169582U (ja) | アラ−ム時計 | |
| JPS6312966U (cs) | ||
| JPS58530U (ja) | Ａｍ受信機のミユ−テイング装置 | |
| JPH02130116U (cs) | ||
| JPS6257842U (cs) |