JPS6385938U - - Google Patents
Info
- Publication number
- JPS6385938U JPS6385938U JP18134986U JP18134986U JPS6385938U JP S6385938 U JPS6385938 U JP S6385938U JP 18134986 U JP18134986 U JP 18134986U JP 18134986 U JP18134986 U JP 18134986U JP S6385938 U JPS6385938 U JP S6385938U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- terminal
- door intercom
- doorbell
- wave rectifier
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986181349U JPH0741234Y2 (ja) | 1986-11-26 | 1986-11-26 | 電話機用ドアホン接続回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986181349U JPH0741234Y2 (ja) | 1986-11-26 | 1986-11-26 | 電話機用ドアホン接続回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6385938U true JPS6385938U (es) | 1988-06-04 |
JPH0741234Y2 JPH0741234Y2 (ja) | 1995-09-20 |
Family
ID=31126139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986181349U Expired - Lifetime JPH0741234Y2 (ja) | 1986-11-26 | 1986-11-26 | 電話機用ドアホン接続回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0741234Y2 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114299677A (zh) * | 2020-10-08 | 2022-04-08 | 和硕联合科技股份有限公司 | 门铃控制电路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59133736A (ja) * | 1983-01-20 | 1984-08-01 | Ricoh Co Ltd | 信号入出力装置 |
JPS61212953A (ja) * | 1985-03-18 | 1986-09-20 | Matsushita Electric Ind Co Ltd | ドアホン付電話装置 |
-
1986
- 1986-11-26 JP JP1986181349U patent/JPH0741234Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59133736A (ja) * | 1983-01-20 | 1984-08-01 | Ricoh Co Ltd | 信号入出力装置 |
JPS61212953A (ja) * | 1985-03-18 | 1986-09-20 | Matsushita Electric Ind Co Ltd | ドアホン付電話装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114299677A (zh) * | 2020-10-08 | 2022-04-08 | 和硕联合科技股份有限公司 | 门铃控制电路 |
CN114299677B (zh) * | 2020-10-08 | 2023-12-15 | 和硕联合科技股份有限公司 | 门铃控制电路 |
Also Published As
Publication number | Publication date |
---|---|
JPH0741234Y2 (ja) | 1995-09-20 |