JPH0338775B2 - - Google Patents
Info
- Publication number
- JPH0338775B2 JPH0338775B2 JP10898182A JP10898182A JPH0338775B2 JP H0338775 B2 JPH0338775 B2 JP H0338775B2 JP 10898182 A JP10898182 A JP 10898182A JP 10898182 A JP10898182 A JP 10898182A JP H0338775 B2 JPH0338775 B2 JP H0338775B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- comparator
- detected
- peak hold
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 19
- 238000003708 edge detection Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10898182A JPS58225518A (ja) | 1982-06-23 | 1982-06-23 | 光電スイッチ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10898182A JPS58225518A (ja) | 1982-06-23 | 1982-06-23 | 光電スイッチ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58225518A JPS58225518A (ja) | 1983-12-27 |
JPH0338775B2 true JPH0338775B2 (en]) | 1991-06-11 |
Family
ID=14498549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10898182A Granted JPS58225518A (ja) | 1982-06-23 | 1982-06-23 | 光電スイッチ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58225518A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01257227A (ja) * | 1988-04-06 | 1989-10-13 | Chinon Ind Inc | 光検知装置 |
JP2002100975A (ja) * | 2000-09-22 | 2002-04-05 | Mitsubishi Electric Corp | エレベータ扉の開閉安全装置 |
-
1982
- 1982-06-23 JP JP10898182A patent/JPS58225518A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58225518A (ja) | 1983-12-27 |
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