JPH0424088U - - Google Patents
Info
- Publication number
- JPH0424088U JPH0424088U JP6471690U JP6471690U JPH0424088U JP H0424088 U JPH0424088 U JP H0424088U JP 6471690 U JP6471690 U JP 6471690U JP 6471690 U JP6471690 U JP 6471690U JP H0424088 U JPH0424088 U JP H0424088U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- battery
- switch
- controlled oscillator
- sound
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案の一実施例を示すブロツク図
である。 １……投光器、２……受光器、３……信号レベ
ル表示器、３１……電圧制御型発振器、３２……
発音体、３３……スイツチ、３４……電池。
である。 １……投光器、２……受光器、３……信号レベ
ル表示器、３１……電圧制御型発振器、３２……
発音体、３３……スイツチ、３４……電池。
Claims (1)
- 信号入力部と電圧制御型発振器と発音体と、こ
れらの作動に必要な電力を供給する電池を備え、
スイツチ投入時に入力信号に応じた周波数の音を
発生することを特徴とする検知装置の信号レベル
表示器。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6471690U JPH0424088U (ja) | 1990-06-19 | 1990-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6471690U JPH0424088U (ja) | 1990-06-19 | 1990-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424088U true JPH0424088U (ja) | 1992-02-27 |
Family
ID=31595907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6471690U Pending JPH0424088U (ja) | 1990-06-19 | 1990-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424088U (ja) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59216078A (ja) * | 1983-08-08 | 1984-12-06 | Optic Kk | 来客報知器 |
| JPS62134424A (ja) * | 1985-12-09 | 1987-06-17 | Matsushita Electric Ind Co Ltd | 熱搬送装置 |
| JPS62185527A (ja) * | 1986-02-07 | 1987-08-13 | Matsushita Electric Ind Co Ltd | ベル型アマチユアの巻線方法 |
| JPH0266419A (ja) * | 1988-08-31 | 1990-03-06 | Hochiki Corp | 光線式検出器の光軸調整装置 |
-
1990
- 1990-06-19 JP JP6471690U patent/JPH0424088U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59216078A (ja) * | 1983-08-08 | 1984-12-06 | Optic Kk | 来客報知器 |
| JPS62134424A (ja) * | 1985-12-09 | 1987-06-17 | Matsushita Electric Ind Co Ltd | 熱搬送装置 |
| JPS62185527A (ja) * | 1986-02-07 | 1987-08-13 | Matsushita Electric Ind Co Ltd | ベル型アマチユアの巻線方法 |
| JPH0266419A (ja) * | 1988-08-31 | 1990-03-06 | Hochiki Corp | 光線式検出器の光軸調整装置 |