JPS55121458A - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
JPS55121458A
JPS55121458A JP2888579A JP2888579A JPS55121458A JP S55121458 A JPS55121458 A JP S55121458A JP 2888579 A JP2888579 A JP 2888579A JP 2888579 A JP2888579 A JP 2888579A JP S55121458 A JPS55121458 A JP S55121458A
Authority
JP
Japan
Prior art keywords
optical memory
memory elements
polarizing plate
images
copying
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
JP2888579A
Other languages
Japanese (ja)
Inventor
Kazuya Matsumoto
Nobuo Kitajima
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2888579A priority Critical patent/JPS55121458A/en
Publication of JPS55121458A publication Critical patent/JPS55121458A/en
Pending legal-status Critical Current

Links

Landscapes

  • Projection-Type Copiers In General (AREA)

Abstract

PURPOSE: To make possible retention copying by using optical memory elements.
CONSTITUTION: An optical memory element frame 15 provided with optical memory elements 151, 152... composed of BSO crystals, etc. is disposed between an imaging lens 14 and polarizing plate 18. As a result of this, if a drum 22 is revolved at the same speed while the optical memory element frame 15 is moved at an uniform motion, the images of the original 11 radiated by fluorescent lamps 121, 122 are reduction-formed and stored in the optical memory elements 15, etc. by way of a dichroic mirror 13 and imaging lens 14, after which they are read out by a halogen light source 16 via condenser lens 17 and polarizing plate 18 and are formed on the drum 22 by way of a polarizing plate 20, etc. to become latent images, which are then subjected to toner development and transfer on plain paper. Since the images having been recorded in the optical memory elements 151, etc. may be repeatedly read out, the repetitive copying becomes feasible even after the original 11 has been removed, thus the retention copying is achieved.
COPYRIGHT: (C)1980,JPO&Japio
JP2888579A 1979-03-13 1979-03-13 Copying apparatus Pending JPS55121458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2888579A JPS55121458A (en) 1979-03-13 1979-03-13 Copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2888579A JPS55121458A (en) 1979-03-13 1979-03-13 Copying apparatus

Publications (1)

Publication Number Publication Date
JPS55121458A true JPS55121458A (en) 1980-09-18

Family

ID=12260844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2888579A Pending JPS55121458A (en) 1979-03-13 1979-03-13 Copying apparatus

Country Status (1)

Country Link
JP (1) JPS55121458A (en)

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