JPH0329356B2 - - Google Patents
Info
- Publication number
- JPH0329356B2 JPH0329356B2 JP11715584A JP11715584A JPH0329356B2 JP H0329356 B2 JPH0329356 B2 JP H0329356B2 JP 11715584 A JP11715584 A JP 11715584A JP 11715584 A JP11715584 A JP 11715584A JP H0329356 B2 JPH0329356 B2 JP H0329356B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- doorbell
- circuit
- monitor
- coaxial cable
- 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
- 230000003287 optical effect Effects 0.000 claims description 22
- 230000005236 sound signal Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 9
- 238000003199 nucleic acid amplification method Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11715584A JPS60260280A (ja) | 1984-06-06 | 1984-06-06 | ドアホンカメラシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11715584A JPS60260280A (ja) | 1984-06-06 | 1984-06-06 | ドアホンカメラシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60260280A JPS60260280A (ja) | 1985-12-23 |
JPH0329356B2 true JPH0329356B2 (zh) | 1991-04-23 |
Family
ID=14704816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11715584A Granted JPS60260280A (ja) | 1984-06-06 | 1984-06-06 | ドアホンカメラシステム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60260280A (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62112281U (zh) * | 1985-12-30 | 1987-07-17 | ||
JPS62135285U (zh) * | 1986-02-20 | 1987-08-26 | ||
JPS63174783U (zh) * | 1986-06-26 | 1988-11-14 | ||
JPS6397979U (zh) * | 1986-12-15 | 1988-06-24 | ||
JPH02200070A (ja) * | 1989-01-30 | 1990-08-08 | Fuji Photo Film Co Ltd | ナレーションマイク内蔵形リモコン |
JPH03187590A (ja) * | 1989-12-15 | 1991-08-15 | Rinnai Corp | 映像表示機能付きインターホン |
-
1984
- 1984-06-06 JP JP11715584A patent/JPS60260280A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60260280A (ja) | 1985-12-23 |
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