ATA55189A - AUTOMATIC LAMP CHANGING DEVICE FOR PROJECTORS - Google Patents

AUTOMATIC LAMP CHANGING DEVICE FOR PROJECTORS

Info

Publication number
ATA55189A
ATA55189A AT55189A AT55189A ATA55189A AT A55189 A ATA55189 A AT A55189A AT 55189 A AT55189 A AT 55189A AT 55189 A AT55189 A AT 55189A AT A55189 A ATA55189 A AT A55189A
Authority
AT
Austria
Prior art keywords
projectors
changing device
automatic lamp
lamp changing
automatic
Prior art date
Application number
AT55189A
Other languages
German (de)
Other versions
AT392545B (en
Inventor
Walter Gall
Armin Brueck
Original Assignee
Leitz Wild Gmbh
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 Leitz Wild Gmbh filed Critical Leitz Wild Gmbh
Publication of ATA55189A publication Critical patent/ATA55189A/en
Application granted granted Critical
Publication of AT392545B publication Critical patent/AT392545B/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/10—Circuits providing for substitution of the light source in case of its failure
    • 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
    • G03B21/2013—Plural light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
AT55189A 1988-04-19 1989-03-10 AUTOMATIC LAMP CHANGING DEVICE FOR PROJECTORS AT392545B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883813035 DE3813035C2 (en) 1988-04-19 1988-04-19 Automatic lamp changing device for projectors

Publications (2)

Publication Number Publication Date
ATA55189A true ATA55189A (en) 1990-09-15
AT392545B AT392545B (en) 1991-04-25

Family

ID=6352331

Family Applications (1)

Application Number Title Priority Date Filing Date
AT55189A AT392545B (en) 1988-04-19 1989-03-10 AUTOMATIC LAMP CHANGING DEVICE FOR PROJECTORS

Country Status (4)

Country Link
AT (1) AT392545B (en)
CH (1) CH678983A5 (en)
DE (1) DE3813035C2 (en)
FR (1) FR2630284B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038433A1 (en) * 1990-12-01 1992-06-04 Bosch Gmbh Robert LIGHTING DEVICE FOR VEHICLES
FR2725049A1 (en) * 1994-09-22 1996-03-29 Lara Sa DEVICE FOR REPLACING, BY AN EMERGENCY LAMP, THE DEFECTIVE LAMP OF A PROJECTION APPARATUS, IN PARTICULAR A RETROJECTOR
DE19711599B4 (en) * 1997-03-20 2009-06-04 Carl Zeiss Surgical Gmbh lighting device
DE19926690A1 (en) 1999-06-11 2000-12-14 Berchtold Gmbh & Co Geb Operating light with discharge lamps

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562580A (en) * 1969-01-10 1971-02-09 Minnesota Mining & Mfg Lamp-failure detection and change device
US3577173A (en) * 1969-01-10 1971-05-04 Minnesota Mining & Mfg Lamp failure detection and change device
US3544210A (en) * 1969-01-24 1970-12-01 Seymour L Goetz Automatic dissolve control for slide projectors having a source of illumination and a signal actuated slide advance
JPS5251789Y2 (en) * 1972-11-11 1977-11-25
DE2339258A1 (en) * 1973-08-02 1975-02-13 Braun Ag Lamp changing mechanism for still projector - has carriage with lamps movable at right angles to optical axis
SE403522B (en) * 1976-05-25 1978-08-21 Hasselblad Fritz Victor LAMP SWITCH FOR PROJECTORS

Also Published As

Publication number Publication date
DE3813035C2 (en) 1995-03-23
DE3813035A1 (en) 1989-11-02
CH678983A5 (en) 1991-11-29
FR2630284A1 (en) 1989-10-20
AT392545B (en) 1991-04-25
FR2630284B1 (en) 1991-02-01

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee