JPS52130633A - Projector - Google Patents

Projector

Info

Publication number
JPS52130633A
JPS52130633A JP4829176A JP4829176A JPS52130633A JP S52130633 A JPS52130633 A JP S52130633A JP 4829176 A JP4829176 A JP 4829176A JP 4829176 A JP4829176 A JP 4829176A JP S52130633 A JPS52130633 A JP S52130633A
Authority
JP
Japan
Prior art keywords
lamp
projector
enable
adjustment
optical axis
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
JP4829176A
Other languages
Japanese (ja)
Inventor
Kuniyoshi Suzaki
Akira Ashida
Takashi Itani
Takeo Yamada
Masaya Maeda
Kiyoshi Takahashi
Hiroyuki Takimoto
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 JP4829176A priority Critical patent/JPS52130633A/en
Priority to DE19772718524 priority patent/DE2718524A1/en
Publication of JPS52130633A publication Critical patent/JPS52130633A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Abstract

PURPOSE: To enable the change and adjustment of an illuminating lamp in an easy and assured manner by half securing the lamp unit on an optical axis with an elastic member secured to a lamp socket positioning member in the shape of U.
COPYRIGHT: (C)1977,JPO&Japio
JP4829176A 1976-04-27 1976-04-27 Projector Pending JPS52130633A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4829176A JPS52130633A (en) 1976-04-27 1976-04-27 Projector
DE19772718524 DE2718524A1 (en) 1976-04-27 1977-04-26 Projector lamp housing with heat shield - has light screen limiting radiation to actual film frame while using simplified centring holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4829176A JPS52130633A (en) 1976-04-27 1976-04-27 Projector

Publications (1)

Publication Number Publication Date
JPS52130633A true JPS52130633A (en) 1977-11-02

Family

ID=12799323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4829176A Pending JPS52130633A (en) 1976-04-27 1976-04-27 Projector

Country Status (2)

Country Link
JP (1) JPS52130633A (en)
DE (1) DE2718524A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009378A1 (en) * 1993-09-30 1995-04-06 Citizen Watch Co., Ltd. Liquid crystal projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009378A1 (en) * 1993-09-30 1995-04-06 Citizen Watch Co., Ltd. Liquid crystal projector
US5842761A (en) * 1993-09-30 1998-12-01 Citizen Watch Co., Ltd. Liquid crystal projector

Also Published As

Publication number Publication date
DE2718524A1 (en) 1977-11-10

Similar Documents

Publication Publication Date Title
JPS53131835A (en) Reflecting objective lens
JPS51149004A (en) Optical apparatus
JPS52130633A (en) Projector
JPS51131627A (en) Optical instrument
JPS52135726A (en) Lens mount
JPS5336979A (en) Illuminating implement
JPS5335385A (en) Lighting device
JPS538012A (en) Facsimile trnsmission unit
JPS5215216A (en) Facsimile light receiving device
JPS532100A (en) Beam-type automatic alarm
JPS53122426A (en) Projector
JPS5331131A (en) Lens unit of projector
JPS52127327A (en) Foucsing lens system
JPS5342727A (en) Projector
JPS5298376A (en) Illuminating apparatus
JPS53137353A (en) Center of axis positioning and its device
JPS52127328A (en) Focusing lens system
JPS5433384A (en) Lamp
JPS52109778A (en) Projector
JPS53148865A (en) Lamp supporting device
JPS5314596A (en) Light emitting display device
JPS53148878A (en) Illuminator
JPS5216891A (en) Medical illuminator
JPS5367562A (en) Mirror device
JPS5242680A (en) Lighting fixture