GB1250331A - - Google Patents

Info

Publication number
GB1250331A
GB1250331A GB1250331DA GB1250331A GB 1250331 A GB1250331 A GB 1250331A GB 1250331D A GB1250331D A GB 1250331DA GB 1250331 A GB1250331 A GB 1250331A
Authority
GB
United Kingdom
Prior art keywords
holder
reflector
oct
recess
unit
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.)
Expired
Application number
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 filed Critical
Publication of GB1250331A publication Critical patent/GB1250331A/en
Expired 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
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/202—Incandescent light sources
    • 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
    • G03B21/2046—Positional adjustment of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

1,250,331. Lamps. EASTMAN KODAK CO. 14 Oct., 1968 [12 Oct., 1967], No. 48540/68. Heading F4R. [Also in Divisions E2 and G2- G3] In a film projector, an ellipsoidal reflector 2 and coaxial halogen lamp 1 are formed as one unit which is accurately and detachably located in a holder 3 by engagement of the rim of the reflector with the inside face of a recess 3c in the holder, and with an abutment 3c under the action of springs 4, 5. A boss 2a on the rim diametrically opposite abutment 3e enters a recess 3d in the holder. Side extensions of the holder engage the reflector laterally. The locating means may be alternatively placed for lateral insertion of the unit into the projector.
GB1250331D 1967-10-12 1968-10-14 Expired GB1250331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967K0059108 DE1988393U (en) 1967-10-12 1967-10-12 SUPPORT FOR A COAXIAL LAMP REFLECTOR UNIT IN PROJECTORS.

Publications (1)

Publication Number Publication Date
GB1250331A true GB1250331A (en) 1971-10-20

Family

ID=7229000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250331D Expired GB1250331A (en) 1967-10-12 1968-10-14

Country Status (2)

Country Link
DE (1) DE1988393U (en)
GB (1) GB1250331A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294839U (en) * 1976-06-04 1977-07-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294839U (en) * 1976-06-04 1977-07-15

Also Published As

Publication number Publication date
DE1988393U (en) 1968-06-27

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees