JPS6273282U - - Google Patents
Info
- Publication number
- JPS6273282U JPS6273282U JP16520485U JP16520485U JPS6273282U JP S6273282 U JPS6273282 U JP S6273282U JP 16520485 U JP16520485 U JP 16520485U JP 16520485 U JP16520485 U JP 16520485U JP S6273282 U JPS6273282 U JP S6273282U
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- transmitter
- emitter
- power line
- frequency
- 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 1
- 239000000284 extract Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16520485U JPH0355909Y2 (xx) | 1985-10-29 | 1985-10-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16520485U JPH0355909Y2 (xx) | 1985-10-29 | 1985-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6273282U true JPS6273282U (xx) | 1987-05-11 |
JPH0355909Y2 JPH0355909Y2 (xx) | 1991-12-13 |
Family
ID=31095024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16520485U Expired JPH0355909Y2 (xx) | 1985-10-29 | 1985-10-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0355909Y2 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6438580U (xx) * | 1987-09-02 | 1989-03-08 |
-
1985
- 1985-10-29 JP JP16520485U patent/JPH0355909Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6438580U (xx) * | 1987-09-02 | 1989-03-08 |
Also Published As
Publication number | Publication date |
---|---|
JPH0355909Y2 (xx) | 1991-12-13 |