JPS50128153A - - Google Patents
Info
- Publication number
- JPS50128153A JPS50128153A JP3648274A JP3648274A JPS50128153A JP S50128153 A JPS50128153 A JP S50128153A JP 3648274 A JP3648274 A JP 3648274A JP 3648274 A JP3648274 A JP 3648274A JP S50128153 A JPS50128153 A JP S50128153A
- Authority
- JP
- Japan
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3648274A JPS569856B2 (ru) | 1974-03-29 | 1974-03-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3648274A JPS569856B2 (ru) | 1974-03-29 | 1974-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS50128153A true JPS50128153A (ru) | 1975-10-08 |
JPS569856B2 JPS569856B2 (ru) | 1981-03-04 |
Family
ID=12471025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3648274A Expired JPS569856B2 (ru) | 1974-03-29 | 1974-03-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS569856B2 (ru) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52129947A (en) * | 1976-04-24 | 1977-10-31 | Tempearl Industrial | Preamplifier for leakage detection |
JPS56169731U (ru) * | 1981-04-02 | 1981-12-15 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708741A (en) * | 1971-06-21 | 1973-01-02 | Hekimian Laboratories Inc | D.c. to d.c. converter for connection across telephone lines |
JPS4828943A (ru) * | 1971-08-20 | 1973-04-17 |
-
1974
- 1974-03-29 JP JP3648274A patent/JPS569856B2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708741A (en) * | 1971-06-21 | 1973-01-02 | Hekimian Laboratories Inc | D.c. to d.c. converter for connection across telephone lines |
JPS4828943A (ru) * | 1971-08-20 | 1973-04-17 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52129947A (en) * | 1976-04-24 | 1977-10-31 | Tempearl Industrial | Preamplifier for leakage detection |
JPS56169731U (ru) * | 1981-04-02 | 1981-12-15 | ||
JPS5943795Y2 (ja) * | 1981-04-02 | 1984-12-27 | テンパ−ル工業株式会社 | 漏電検知用前置増幅器 |
Also Published As
Publication number | Publication date |
---|---|
JPS569856B2 (ru) | 1981-03-04 |