JPH0437936U - - Google Patents
Info
- Publication number
- JPH0437936U JPH0437936U JP1990079800U JP7980090U JPH0437936U JP H0437936 U JPH0437936 U JP H0437936U JP 1990079800 U JP1990079800 U JP 1990079800U JP 7980090 U JP7980090 U JP 7980090U JP H0437936 U JPH0437936 U JP H0437936U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- receiving element
- light receiving
- infrared
- luminous efficiency
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005375 photometry Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Landscapes
- Focusing (AREA)
- Measurement Of Optical Distance (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990079800U JPH0437936U (zh) | 1990-07-30 | 1990-07-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990079800U JPH0437936U (zh) | 1990-07-30 | 1990-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0437936U true JPH0437936U (zh) | 1992-03-31 |
Family
ID=31624290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990079800U Pending JPH0437936U (zh) | 1990-07-30 | 1990-07-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0437936U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0961159A (ja) * | 1995-08-23 | 1997-03-07 | Fuji Photo Optical Co Ltd | 測距装置 |
-
1990
- 1990-07-30 JP JP1990079800U patent/JPH0437936U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0961159A (ja) * | 1995-08-23 | 1997-03-07 | Fuji Photo Optical Co Ltd | 測距装置 |