JPS5342727A - Projector - Google Patents

Projector

Info

Publication number
JPS5342727A
JPS5342727A JP11763876A JP11763876A JPS5342727A JP S5342727 A JPS5342727 A JP S5342727A JP 11763876 A JP11763876 A JP 11763876A JP 11763876 A JP11763876 A JP 11763876A JP S5342727 A JPS5342727 A JP S5342727A
Authority
JP
Japan
Prior art keywords
projector
projection
light source
illumination
longevous
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
JP11763876A
Other languages
Japanese (ja)
Inventor
Tsutomu Kondo
Satoru Suzaki
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP11763876A priority Critical patent/JPS5342727A/en
Publication of JPS5342727A publication Critical patent/JPS5342727A/en
Pending legal-status Critical Current

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Landscapes

  • Projection Apparatus (AREA)

Abstract

PURPOSE: To obtain an appropriate illumination for projection and cause the light source to be longevous by adjusting the illumination of the light source for projection in accordance with an outside light which illuminate a screen.
COPYRIGHT: (C)1978,JPO&Japio
JP11763876A 1976-09-29 1976-09-29 Projector Pending JPS5342727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11763876A JPS5342727A (en) 1976-09-29 1976-09-29 Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11763876A JPS5342727A (en) 1976-09-29 1976-09-29 Projector

Publications (1)

Publication Number Publication Date
JPS5342727A true JPS5342727A (en) 1978-04-18

Family

ID=14716645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11763876A Pending JPS5342727A (en) 1976-09-29 1976-09-29 Projector

Country Status (1)

Country Link
JP (1) JPS5342727A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197819A (en) * 1984-03-22 1985-10-07 Nippon Steel Corp Production of thin grain-oriented electrical steel sheet having high magnetic flux density

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197819A (en) * 1984-03-22 1985-10-07 Nippon Steel Corp Production of thin grain-oriented electrical steel sheet having high magnetic flux density
JPS6248725B2 (en) * 1984-03-22 1987-10-15 Nippon Steel Corp

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