JPH0459151U - - Google Patents
Info
- Publication number
- JPH0459151U JPH0459151U JP10768590U JP10768590U JPH0459151U JP H0459151 U JPH0459151 U JP H0459151U JP 10768590 U JP10768590 U JP 10768590U JP 10768590 U JP10768590 U JP 10768590U JP H0459151 U JPH0459151 U JP H0459151U
- Authority
- JP
- Japan
- Prior art keywords
- photo sensor
- section
- light
- signal
- light emitting
- 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
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000012790 confirmation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
第１図は本考案の一実施例の構成図である。
１……光量可変部、２……フオトセンサ、３…
…フオトセンサ発光部、４……フオトセンサ受光
部、５……信号比較判断部、６……表示部、７…
…光量可変用信号、８……フオトセンサ受光部出
力信号、９……比較結果信号。
FIG. 1 is a block diagram of an embodiment of the present invention. 1... Light amount variable section, 2... Photo sensor, 3...
...Photo sensor light emitting section, 4...Photo sensor light receiving section, 5...Signal comparison and judgment section, 6...Display section, 7...
...Signal for varying light intensity, 8... Photo sensor light receiving section output signal, 9... Comparison result signal.
Claims (1)
第１の光量可変用信号および前記フオトセンサ発
光部の光量を正常時に比して実質的に低下させる
ための第２の光量可変用信号を前記フオトセンサ
発光部に供給する光量可変部と、前記第１の光量
可変用信号および第２の光量可変用信号に対応し
て前記フオトセンサ発光部から出力する光を受け
るフオトセンサ受光部の出力信号を比較判断する
信号比較判断部と、前記信号比較判断部により得
られた結果から、前記フオトセンサ発光部および
フオトセンサ受光部で構成されるフオトセンサが
正常か異常かを外部へ知らせる手段とを具備する
ことを特徴とするフオトセンサ動作確認装置。 A first light intensity variable signal for normalizing the light intensity of the photo sensor light emitting section and a second light intensity variable signal for substantially reducing the light intensity of the photo sensor light emitting section compared to normal times are transmitted to the photo sensor light emitting section. A signal comparison for comparing and determining an output signal of a light amount variable section supplied to the light amount variable section and a photo sensor light receiving section that receives light output from the photo sensor light emitting section in response to the first light amount variable signal and the second light amount variable signal. A photo sensor operation characterized by comprising: a determining section; and a means for informing an outsider whether the photo sensor composed of the photo sensor light emitting section and the photo sensor light receiving section is normal or abnormal based on the results obtained by the signal comparison and judgment section. Confirmation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10768590U JPH0459151U (en) | 1990-09-26 | 1990-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10768590U JPH0459151U (en) | 1990-09-26 | 1990-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459151U true JPH0459151U (en) | 1992-05-21 |
Family
ID=31854323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10768590U Pending JPH0459151U (en) | 1990-09-26 | 1990-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459151U (en) |
-
1990
- 1990-09-26 JP JP10768590U patent/JPH0459151U/ja active Pending