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)
Description
第１図はこの考案の一実施例による呼び鈴を示
すブロツク図、第２図は従来の呼び鈴を示すブロ
ツク図である。
１はスイツチ、２は増幅器、３はスピーカ、４
は制御装置、５は音センサである。なお、図中、
同一符号は同一または相当部分を示す。
FIG. 1 is a block diagram showing a doorbell according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional doorbell. 1 is a switch, 2 is an amplifier, 3 is a speaker, 4
is a control device, and 5 is a sound sensor. In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.
Claims (1)
び鈴の音の大小を調整する機能を備えた呼び鈴。 A doorbell is equipped with a sound sensor and has the ability to adjust the volume of the doorbell depending on the level of environmental sounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14555488U JPH0266018U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14555488U JPH0266018U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266018U true JPH0266018U (en) | 1990-05-18 |
Family
ID=31414246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14555488U Pending JPH0266018U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266018U (en) |
-
1988
- 1988-11-08 JP JP14555488U patent/JPH0266018U/ja active Pending