JPH0382956U - - Google Patents
Info
- Publication number
- JPH0382956U JPH0382956U JP14247289U JP14247289U JPH0382956U JP H0382956 U JPH0382956 U JP H0382956U JP 14247289 U JP14247289 U JP 14247289U JP 14247289 U JP14247289 U JP 14247289U JP H0382956 U JPH0382956 U JP H0382956U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output
- outputs
- telephone line
- polarity
- 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
- 230000005389 magnetism Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989142472U JP2553861Y2 (ja) | 1989-12-07 | 1989-12-07 | 電話回線用センサユニット |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989142472U JP2553861Y2 (ja) | 1989-12-07 | 1989-12-07 | 電話回線用センサユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0382956U true JPH0382956U (ru) | 1991-08-23 |
JP2553861Y2 JP2553861Y2 (ja) | 1997-11-12 |
Family
ID=31689297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989142472U Expired - Lifetime JP2553861Y2 (ja) | 1989-12-07 | 1989-12-07 | 電話回線用センサユニット |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2553861Y2 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009048001A (ja) * | 2007-08-21 | 2009-03-05 | Chugoku Electric Power Co Inc:The | シート体支持構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59211371A (ja) * | 1983-05-16 | 1984-11-30 | Fujitsu Ltd | 着信検出回路 |
JPS611959U (ja) * | 1984-06-07 | 1986-01-08 | 日本電気ホームエレクトロニクス株式会社 | 電話回線接続用端末装置 |
-
1989
- 1989-12-07 JP JP1989142472U patent/JP2553861Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59211371A (ja) * | 1983-05-16 | 1984-11-30 | Fujitsu Ltd | 着信検出回路 |
JPS611959U (ja) * | 1984-06-07 | 1986-01-08 | 日本電気ホームエレクトロニクス株式会社 | 電話回線接続用端末装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009048001A (ja) * | 2007-08-21 | 2009-03-05 | Chugoku Electric Power Co Inc:The | シート体支持構造 |
Also Published As
Publication number | Publication date |
---|---|
JP2553861Y2 (ja) | 1997-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |