JPS56128432A - Optical detector - Google Patents
Optical detectorInfo
- Publication number
- JPS56128432A JPS56128432A JP3205580A JP3205580A JPS56128432A JP S56128432 A JPS56128432 A JP S56128432A JP 3205580 A JP3205580 A JP 3205580A JP 3205580 A JP3205580 A JP 3205580A JP S56128432 A JPS56128432 A JP S56128432A
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- optical detector
- constitution
- light
- semiconductor photodetector
- 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
- 230000003287 optical effect Effects 0.000 title abstract 3
- 230000000873 masking effect Effects 0.000 abstract 2
- 239000004065 semiconductor Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0451—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using means for illuminating a slit efficiently, e.g. entrance slit of a photometer or entrance face of fiber
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0204—Compact construction
- G01J1/0209—Monolithic
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
PURPOSE:To simplify the constitution of an optical detector and at the same time realize an increase of the accuracy of attachment, an easy positioning and a reduction of the position shift after attached respectively, by using a semiconductor photodetector in which a photodetector and light masking plate are unified into one body for an optical detector. CONSTITUTION:The photodiodes 7a and 7b are formed in a body on a monolithic substrate, and a light masking material 7e is coated around the light receiving parts 7c and 7d. Thus a semiconductor photodetector 7 is obtained. Then a light emitting element 1 and a photodetector 7 are provided opposite to each other at the both sides of a rotary disk 3 that is stuck to the rotary shaft 5 of the motor 6 to be used as an object to be detected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3205580A JPS56128432A (en) | 1980-03-13 | 1980-03-13 | Optical detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3205580A JPS56128432A (en) | 1980-03-13 | 1980-03-13 | Optical detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56128432A true JPS56128432A (en) | 1981-10-07 |
Family
ID=12348178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3205580A Pending JPS56128432A (en) | 1980-03-13 | 1980-03-13 | Optical detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56128432A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129334A (en) * | 1982-01-29 | 1983-08-02 | Sanyo Electric Co Ltd | Infrared detector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50149386A (en) * | 1974-07-08 | 1975-11-29 | ||
JPS5344191A (en) * | 1976-10-03 | 1978-04-20 | Ricoh Co Ltd | Stabilizer of photo sensor circuit |
-
1980
- 1980-03-13 JP JP3205580A patent/JPS56128432A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50149386A (en) * | 1974-07-08 | 1975-11-29 | ||
JPS5344191A (en) * | 1976-10-03 | 1978-04-20 | Ricoh Co Ltd | Stabilizer of photo sensor circuit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129334A (en) * | 1982-01-29 | 1983-08-02 | Sanyo Electric Co Ltd | Infrared detector |
JPH0216858B2 (en) * | 1982-01-29 | 1990-04-18 | Sanyo Electric Co |
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