FR2630284B1 - AUTOMATIC LAMP CHANGE DEVICE FOR PROJECTORS - Google Patents

AUTOMATIC LAMP CHANGE DEVICE FOR PROJECTORS

Info

Publication number
FR2630284B1
FR2630284B1 FR8905134A FR8905134A FR2630284B1 FR 2630284 B1 FR2630284 B1 FR 2630284B1 FR 8905134 A FR8905134 A FR 8905134A FR 8905134 A FR8905134 A FR 8905134A FR 2630284 B1 FR2630284 B1 FR 2630284B1
Authority
FR
France
Prior art keywords
projectors
change device
lamp change
automatic lamp
automatic
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 - Fee Related
Application number
FR8905134A
Other languages
French (fr)
Other versions
FR2630284A1 (en
Inventor
Armin Brueck
Walter Gall
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.)
Leica Microsystems Holdings GmbH
Original Assignee
Wild Leitz 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 Wild Leitz GmbH filed Critical Wild Leitz GmbH
Publication of FR2630284A1 publication Critical patent/FR2630284A1/en
Application granted granted Critical
Publication of FR2630284B1 publication Critical patent/FR2630284B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
FR8905134A 1988-04-19 1989-04-18 AUTOMATIC LAMP CHANGE DEVICE FOR PROJECTORS Expired - Fee Related FR2630284B1 (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
FR2630284A1 FR2630284A1 (en) 1989-10-20
FR2630284B1 true FR2630284B1 (en) 1991-02-01

Family

ID=6352331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905134A Expired - Fee Related FR2630284B1 (en) 1988-04-19 1989-04-18 AUTOMATIC LAMP CHANGE 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
US3577173A (en) * 1969-01-10 1971-05-04 Minnesota Mining & Mfg Lamp failure detection and change device
US3562580A (en) * 1969-01-10 1971-02-09 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
DE3813035A1 (en) 1989-11-02
AT392545B (en) 1991-04-25
ATA55189A (en) 1990-09-15
DE3813035C2 (en) 1995-03-23
CH678983A5 (en) 1991-11-29
FR2630284A1 (en) 1989-10-20

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse