JPS5639576A - Scanning type electronic duplicator - Google Patents

Scanning type electronic duplicator

Info

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
Application number
JP11497079A
Other languages
Japanese (ja)
Inventor
Masafumi Yokota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11497079A priority Critical patent/JPS5639576A/en
Publication of JPS5639576A publication Critical patent/JPS5639576A/en
Pending legal-status Critical Current

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
JP11497079A 1979-09-07 1979-09-07 Scanning type electronic duplicator Pending JPS5639576A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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