JPS6349013Y2 - - Google Patents
Info
- Publication number
- JPS6349013Y2 JPS6349013Y2 JP1982141597U JP14159782U JPS6349013Y2 JP S6349013 Y2 JPS6349013 Y2 JP S6349013Y2 JP 1982141597 U JP1982141597 U JP 1982141597U JP 14159782 U JP14159782 U JP 14159782U JP S6349013 Y2 JPS6349013 Y2 JP S6349013Y2
- Authority
- JP
- Japan
- Prior art keywords
- monitor
- handset
- amplifier
- circuit
- base unit
- 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.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14159782U JPS5946057U (ja) | 1982-09-17 | 1982-09-17 | モニタテレビ付インタ−ホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14159782U JPS5946057U (ja) | 1982-09-17 | 1982-09-17 | モニタテレビ付インタ−ホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5946057U JPS5946057U (ja) | 1984-03-27 |
JPS6349013Y2 true JPS6349013Y2 (es) | 1988-12-16 |
Family
ID=30316651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14159782U Granted JPS5946057U (ja) | 1982-09-17 | 1982-09-17 | モニタテレビ付インタ−ホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5946057U (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2533760Y2 (ja) * | 1990-02-23 | 1997-04-23 | 松下電工株式会社 | モニター機能を有したインターホン親機及びこれを用いたインターホンシステム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494566U (es) * | 1972-04-14 | 1974-01-16 |
-
1982
- 1982-09-17 JP JP14159782U patent/JPS5946057U/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494566U (es) * | 1972-04-14 | 1974-01-16 |
Also Published As
Publication number | Publication date |
---|---|
JPS5946057U (ja) | 1984-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3586071B2 (ja) | カラーテレビドアホン装置 | |
JPS6349013Y2 (es) | ||
JPS6069996A (ja) | テレビドアホン装置 | |
JPH0354459Y2 (es) | ||
JPH0823366A (ja) | 携帯電話機用音響信号制御装置 | |
JPH0358223B2 (es) | ||
JPS6336757Y2 (es) | ||
JPS6223167Y2 (es) | ||
JPH0328618Y2 (es) | ||
JPS634373B2 (es) | ||
JPS622844Y2 (es) | ||
JPH0349493Y2 (es) | ||
JPH0354452Y2 (es) | ||
JP2674645B2 (ja) | インターホーン付コードレス電話機 | |
JP3033119B2 (ja) | インターホン呼出し音切替え回路 | |
JP3343310B2 (ja) | インターホン装置 | |
KR0121114Y1 (ko) | 키폰의 보류음 자동선택회로 | |
JP3591380B2 (ja) | テレビインターホンシステム | |
JPS6348998Y2 (es) | ||
JPH084765Y2 (ja) | 電話機の音声受音装置 | |
KR950010378Y1 (ko) | 키폰 전화기의 외부 경보장치 접속회로 | |
JP2619010B2 (ja) | 拡声電話機 | |
JPH0242265B2 (es) | ||
JPS6292645A (ja) | 電話機回路 | |
JPH03117954A (ja) | インターホン装置 |