JPS6438580U - - Google Patents
Info
- Publication number
- JPS6438580U JPS6438580U JP13442487U JP13442487U JPS6438580U JP S6438580 U JPS6438580 U JP S6438580U JP 13442487 U JP13442487 U JP 13442487U JP 13442487 U JP13442487 U JP 13442487U JP S6438580 U JPS6438580 U JP S6438580U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- receiver
- display device
- level display
- detection device
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (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、Ａ……受光レベ
ル表示装置、Ｂ……スイツチ部。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Emitter, 2... Light receiver, A... Light reception level display device, B... Switch section.
Claims (1)
線を受ける受光器とで構成される赤外線式検知装
置において、受光器の光電変換素子に達する赤外
線の光量に応じ、音の周波数が変わるレベル表示
装置と、このレベル表示装置の作動を制御するス
イツチ部とを設けたことを特徴とする赤外線式検
知装置。 In an infrared detection device comprising a projector that emits modulated infrared rays and a receiver that receives the infrared rays, a level display device that changes the frequency of sound according to the amount of infrared light that reaches a photoelectric conversion element of the receiver; An infrared detection device characterized by comprising a switch section for controlling the operation of the level display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134424U JP2531524Y2 (en) | 1987-09-02 | 1987-09-02 | Infrared detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134424U JP2531524Y2 (en) | 1987-09-02 | 1987-09-02 | Infrared detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6438580U true JPS6438580U (en) | 1989-03-08 |
| JP2531524Y2 JP2531524Y2 (en) | 1997-04-02 |
Family
ID=31393167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987134424U Expired - Lifetime JP2531524Y2 (en) | 1987-09-02 | 1987-09-02 | Infrared detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531524Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858411A (en) * | 1981-10-04 | 1983-04-07 | Fujio Nakamae | Distance displaying method for obstruction detector utilizing ultrasonic wave |
| JPS6273282U (en) * | 1985-10-29 | 1987-05-11 |
-
1987
- 1987-09-02 JP JP1987134424U patent/JP2531524Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858411A (en) * | 1981-10-04 | 1983-04-07 | Fujio Nakamae | Distance displaying method for obstruction detector utilizing ultrasonic wave |
| JPS6273282U (en) * | 1985-10-29 | 1987-05-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531524Y2 (en) | 1997-04-02 |