JPS5383620A - Camera obscura for reflecting optical system - Google Patents

Camera obscura for reflecting optical system

Info

Publication number
JPS5383620A
JPS5383620A JP15817176A JP15817176A JPS5383620A JP S5383620 A JPS5383620 A JP S5383620A JP 15817176 A JP15817176 A JP 15817176A JP 15817176 A JP15817176 A JP 15817176A JP S5383620 A JPS5383620 A JP S5383620A
Authority
JP
Japan
Prior art keywords
optical system
camera obscura
reflecting optical
reflecting
system camera
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
JP15817176A
Other languages
Japanese (ja)
Inventor
Naoyuki Ohara
Toshiharu Sasaki
Yasutaka Nakajima
Masaru Imai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15817176A priority Critical patent/JPS5383620A/en
Publication of JPS5383620A publication Critical patent/JPS5383620A/en
Pending legal-status Critical Current

Links

Landscapes

  • Projection-Type Copiers In General (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

PURPOSE: To seal completely by providing an integral body of reflecting and transparent unit on an optical reflecting mirror of the optical system camera obscura provided with incident and projection apertures in the copier, and by sealing the aperture of the optical system camera obscura at the transparent unit with a dustproof manner.
COPYRIGHT: (C)1978,JPO&Japio
JP15817176A 1976-12-29 1976-12-29 Camera obscura for reflecting optical system Pending JPS5383620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15817176A JPS5383620A (en) 1976-12-29 1976-12-29 Camera obscura for reflecting optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15817176A JPS5383620A (en) 1976-12-29 1976-12-29 Camera obscura for reflecting optical system

Publications (1)

Publication Number Publication Date
JPS5383620A true JPS5383620A (en) 1978-07-24

Family

ID=15665820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15817176A Pending JPS5383620A (en) 1976-12-29 1976-12-29 Camera obscura for reflecting optical system

Country Status (1)

Country Link
JP (1) JPS5383620A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051138A (en) * 1989-03-30 1991-09-24 Nippon Steel Corporation Method of producing grain oriented electrical steel sheet having high magnetic flux

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051138A (en) * 1989-03-30 1991-09-24 Nippon Steel Corporation Method of producing grain oriented electrical steel sheet having high magnetic flux

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