JPS5639576A - Scanning type electronic duplicator - Google Patents
Scanning type electronic duplicatorInfo
- Publication number
- JPS5639576A JPS5639576A JP11497079A JP11497079A JPS5639576A JP S5639576 A JPS5639576 A JP S5639576A JP 11497079 A JP11497079 A JP 11497079A JP 11497079 A JP11497079 A JP 11497079A JP S5639576 A JPS5639576 A JP S5639576A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- original
- timing
- light
- way
- 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
Abstract
PURPOSE: To obtain an adequate original signal by taking sample hold by a timing signal by scanning an original by laser beam light generated by the timing signal and removing an influence of external light incident to the original when the scan output is converted into an electric signal and outputted.
CONSTITUTION: Beam l0 from laser light source 10 is transformed into beam light l2 to scan optical scale 15 for timing signal generation by way of mirrors 11, 13 and 14, etd. This optical scale 15, having many bar marks on the transparent glass plate, permits timing light to pass through it. The timing light projected out of scale 15 strikes photodetector 20 by way of mirror 19 to obtain a timing signal. From original 29, an original read signal is generated by photoelectric converter 33 and amplified and the amplified signal is inputted to the sample holding circuit by way of the clamping circuit; and the timing signal is also inputted to the holding circuit, so that after a noise signal in the original read signal is removed, the signal will be outputted.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11497079A JPS5639576A (en) | 1979-09-07 | 1979-09-07 | Scanning type electronic duplicator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11497079A JPS5639576A (en) | 1979-09-07 | 1979-09-07 | Scanning type electronic duplicator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5639576A true JPS5639576A (en) | 1981-04-15 |
Family
ID=14651128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11497079A Pending JPS5639576A (en) | 1979-09-07 | 1979-09-07 | Scanning type electronic duplicator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5639576A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59178819A (en) * | 1983-03-22 | 1984-10-11 | ア−・エヌ・テ−・ナツハリヒテンテヒニ−ク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Interpolating analog-to-digital converting method |
-
1979
- 1979-09-07 JP JP11497079A patent/JPS5639576A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59178819A (en) * | 1983-03-22 | 1984-10-11 | ア−・エヌ・テ−・ナツハリヒテンテヒニ−ク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Interpolating analog-to-digital converting method |
JPH0226887B2 (en) * | 1983-03-22 | 1990-06-13 | Aa Enu Tee Natsuharihitentehiniiku Gmbh |
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