JPS62147952U - - Google Patents
Info
- Publication number
- JPS62147952U JPS62147952U JP3685786U JP3685786U JPS62147952U JP S62147952 U JPS62147952 U JP S62147952U JP 3685786 U JP3685786 U JP 3685786U JP 3685786 U JP3685786 U JP 3685786U JP S62147952 U JPS62147952 U JP S62147952U
- Authority
- JP
- Japan
- Prior art keywords
- communication
- transformer
- communication line
- passing capacitor
- relay
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3685786U JPS62147952U (enrdf_load_html_response) | 1986-03-13 | 1986-03-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3685786U JPS62147952U (enrdf_load_html_response) | 1986-03-13 | 1986-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62147952U true JPS62147952U (enrdf_load_html_response) | 1987-09-18 |
Family
ID=30847652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3685786U Pending JPS62147952U (enrdf_load_html_response) | 1986-03-13 | 1986-03-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62147952U (enrdf_load_html_response) |
-
1986
- 1986-03-13 JP JP3685786U patent/JPS62147952U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR940003841B1 (ko) | 전화기 | |
US4588861A (en) | Telephone intercom system | |
JPS62147952U (enrdf_load_html_response) | ||
US5386463A (en) | Low noise multi-elevator communication system and method | |
JP2554647B2 (ja) | コ−ドレス電話機 | |
JPS62147951U (enrdf_load_html_response) | ||
JPH0756522Y2 (ja) | 電話回線保持回路 | |
JPS643248Y2 (enrdf_load_html_response) | ||
US4691345A (en) | Multifunction two line telephone system | |
JPH0756523Y2 (ja) | 電話回線保持回路 | |
JP2803781B2 (ja) | 電話システム | |
JPS5857945B2 (ja) | インタ−ホン装置 | |
KR880001332Y1 (ko) | 무극성 핸드프리 인터폰. | |
JP2637086B2 (ja) | 電話システム | |
JPH0354452Y2 (enrdf_load_html_response) | ||
KR940005277Y1 (ko) | 전화기플럭의 비접속 알림장치 | |
JPS6315650U (enrdf_load_html_response) | ||
JPH0566781B2 (enrdf_load_html_response) | ||
KR850000820Y1 (ko) | 전화기의 온 후크 다이얼 장치 | |
JPH036063Y2 (enrdf_load_html_response) | ||
JPS62167440U (enrdf_load_html_response) | ||
JPS6051297B2 (ja) | ブランチ接続電話機の呼出方式 | |
JP2859907B2 (ja) | 網制御装置 | |
JPS63187459U (enrdf_load_html_response) | ||
JPS6320648U (enrdf_load_html_response) |