JPS5740222A - Light scanner - Google Patents
Light scannerInfo
- Publication number
- JPS5740222A JPS5740222A JP55115739A JP11573980A JPS5740222A JP S5740222 A JPS5740222 A JP S5740222A JP 55115739 A JP55115739 A JP 55115739A JP 11573980 A JP11573980 A JP 11573980A JP S5740222 A JPS5740222 A JP S5740222A
- Authority
- JP
- Japan
- Prior art keywords
- scanning plane
- spot diameter
- optical beams
- spot
- adder
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
- Fax Reproducing Arrangements (AREA)
Abstract
PURPOSE:To form an image on a scanning plane accurately by measuring the diameter of spot on the straight scanning plane equally with a spot diameter measuring mean and adjusting the position of the point source of light automatically, through an actuator so as to equalize the measured value with a set value. CONSTITUTION:Optical beams from a light source are separated by a beam separator 1 arranged in the optical beams, the separated beams are passed through a sensitive part 4 arranged in parrallel with a scanning plane 5 and the spot diameter is detected by a spot diameter detector 32 (23). An operation circuit 24 inputs the negative voltage corresponding to the spot diameter to an adder 25. The adder 25 adds the input set value to the negative voltage value and a deviation signal drives an actuator 8 adjustng the position of light source through a scanning optical system 21 so that the deviation signal becomes 0. Thus, the optical beams form an image on the scanning plane accurately.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55115739A JPS5740222A (en) | 1980-08-21 | 1980-08-21 | Light scanner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55115739A JPS5740222A (en) | 1980-08-21 | 1980-08-21 | Light scanner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5740222A true JPS5740222A (en) | 1982-03-05 |
JPS6327690B2 JPS6327690B2 (en) | 1988-06-03 |
Family
ID=14669868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55115739A Granted JPS5740222A (en) | 1980-08-21 | 1980-08-21 | Light scanner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5740222A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182558U (en) * | 1982-05-28 | 1983-12-05 | 横河電機株式会社 | optical scanning device |
JPS61246384A (en) * | 1985-04-24 | 1986-11-01 | Sumitomo Light Metal Ind Ltd | Formation of corrosion preventive film for heat exchange pipe made of copper alloy |
JPH04240816A (en) * | 1991-01-25 | 1992-08-28 | Japan Small Corp | Light beam scanner |
-
1980
- 1980-08-21 JP JP55115739A patent/JPS5740222A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182558U (en) * | 1982-05-28 | 1983-12-05 | 横河電機株式会社 | optical scanning device |
JPS61246384A (en) * | 1985-04-24 | 1986-11-01 | Sumitomo Light Metal Ind Ltd | Formation of corrosion preventive film for heat exchange pipe made of copper alloy |
JPH057467B2 (en) * | 1985-04-24 | 1993-01-28 | Sumitomo Light Metal Ind | |
JPH04240816A (en) * | 1991-01-25 | 1992-08-28 | Japan Small Corp | Light beam scanner |
Also Published As
Publication number | Publication date |
---|---|
JPS6327690B2 (en) | 1988-06-03 |
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