JPH0377575U - - Google Patents
Info
- Publication number
- JPH0377575U JPH0377575U JP11111790U JP11111790U JPH0377575U JP H0377575 U JPH0377575 U JP H0377575U JP 11111790 U JP11111790 U JP 11111790U JP 11111790 U JP11111790 U JP 11111790U JP H0377575 U JPH0377575 U JP H0377575U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- office line
- central office
- button telephone
- state
- 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 5
- 101000785063 Homo sapiens Serine-protein kinase ATM Proteins 0.000 description 1
- 102100020824 Serine-protein kinase ATM Human genes 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990111117U JPH0450712Y2 (US06373033-20020416-M00002.png) | 1990-10-25 | 1990-10-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990111117U JPH0450712Y2 (US06373033-20020416-M00002.png) | 1990-10-25 | 1990-10-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0377575U true JPH0377575U (US06373033-20020416-M00002.png) | 1991-08-05 |
JPH0450712Y2 JPH0450712Y2 (US06373033-20020416-M00002.png) | 1992-11-30 |
Family
ID=31659614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990111117U Expired JPH0450712Y2 (US06373033-20020416-M00002.png) | 1990-10-25 | 1990-10-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0450712Y2 (US06373033-20020416-M00002.png) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55140352A (en) * | 1979-04-20 | 1980-11-01 | Iwatsu Electric Co Ltd | Speaker telephone set connecting system |
JPS5683167A (en) * | 1979-12-12 | 1981-07-07 | Kanda Tsushin Kogyo Kk | Line lamp control system for button telephone device |
-
1990
- 1990-10-25 JP JP1990111117U patent/JPH0450712Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55140352A (en) * | 1979-04-20 | 1980-11-01 | Iwatsu Electric Co Ltd | Speaker telephone set connecting system |
JPS5683167A (en) * | 1979-12-12 | 1981-07-07 | Kanda Tsushin Kogyo Kk | Line lamp control system for button telephone device |
Also Published As
Publication number | Publication date |
---|---|
JPH0450712Y2 (US06373033-20020416-M00002.png) | 1992-11-30 |
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