JPH0266018U - - Google Patents
Info
- Publication number
- JPH0266018U JPH0266018U JP14555488U JP14555488U JPH0266018U JP H0266018 U JPH0266018 U JP H0266018U JP 14555488 U JP14555488 U JP 14555488U JP 14555488 U JP14555488 U JP 14555488U JP H0266018 U JPH0266018 U JP H0266018U
- Authority
- JP
- Japan
- Prior art keywords
- doorbell
- sound sensor
- ability
- adjust
- volume
- 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
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14555488U JPH0266018U (pl) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14555488U JPH0266018U (pl) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266018U true JPH0266018U (pl) | 1990-05-18 |
Family
ID=31414246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14555488U Pending JPH0266018U (pl) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266018U (pl) |
-
1988
- 1988-11-08 JP JP14555488U patent/JPH0266018U/ja active Pending