AT288734B - Device for controlling a turret-type holder for lighting lamps, e.g. in a projector - Google Patents

Device for controlling a turret-type holder for lighting lamps, e.g. in a projector

Info

Publication number
AT288734B
AT288734B AT232069A AT232069A AT288734B AT 288734 B AT288734 B AT 288734B AT 232069 A AT232069 A AT 232069A AT 232069 A AT232069 A AT 232069A AT 288734 B AT288734 B AT 288734B
Authority
AT
Austria
Prior art keywords
turret
projector
controlling
lighting lamps
type holder
Prior art date
Application number
AT232069A
Other languages
German (de)
Inventor
Frank Walter Betlejewski
George Frank Krtous
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Application granted granted Critical
Publication of AT288734B publication Critical patent/AT288734B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
AT232069A 1968-03-07 1969-03-07 Device for controlling a turret-type holder for lighting lamps, e.g. in a projector AT288734B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71139768A 1968-03-07 1968-03-07

Publications (1)

Publication Number Publication Date
AT288734B true AT288734B (en) 1971-03-25

Family

ID=24857924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT232069A AT288734B (en) 1968-03-07 1969-03-07 Device for controlling a turret-type holder for lighting lamps, e.g. in a projector

Country Status (9)

Country Link
US (1) US3529146A (en)
AT (1) AT288734B (en)
BE (1) BE729525A (en)
CH (1) CH506019A (en)
DE (1) DE1911492B2 (en)
FR (1) FR2003449A1 (en)
GB (1) GB1194168A (en)
NL (2) NL6903547A (en)
SE (1) SE358458B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7628047U1 (en) * 1976-09-08 1976-12-30 Rollei-Werke Franke & Heidecke, 3300 Braunschweig STILL PROJECTOR
US4225906A (en) * 1978-03-16 1980-09-30 Koehler Manufacturing Company Luminaire apparatus with multiple light sources and methods of operating same
JPS5596933A (en) * 1979-01-17 1980-07-23 Suraidetsukusu Kk Overhead projector
US5135301A (en) * 1991-01-22 1992-08-04 Minnesota Mining And Manufacturing Company Reflective overhead projector with alternate light sources
US5526249A (en) * 1992-06-17 1996-06-11 Olympus Optical Co., Ltd. Light source device
US5241333A (en) * 1992-10-22 1993-08-31 Minnesota Mining And Manufacturing Company Overhead projector with pivoting lamp changer and color adjustment
US6945310B2 (en) * 2003-05-19 2005-09-20 Takata Corporation Method and apparatus for manufacturing metallic parts by die casting
US11046235B2 (en) * 2019-11-13 2021-06-29 James M. Aparo Vehicle headlight assembly having an ejectable and replaceable lightbulb
US11028989B2 (en) * 2019-11-13 2021-06-08 James M. Aparo Vehicle headlight device having an ejectable and replaceable lightbulb assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126785A (en) * 1964-03-31 Slide projector with interchangeable lamp housing components
US1825121A (en) * 1929-05-03 1931-09-29 Owens Dev Corp Lamp-holder
US3228286A (en) * 1963-06-03 1966-01-11 Moviecol Sales Ltd Rotatable lamp means in moving or still picture projectors
US3269795A (en) * 1964-05-11 1966-08-30 Rca Corp Automatic exciter lamp changer

Also Published As

Publication number Publication date
BE729525A (en) 1969-08-18
US3529146A (en) 1970-09-15
FR2003449A1 (en) 1969-11-07
SE358458B (en) 1973-07-30
CH506019A (en) 1971-04-15
NL6903547A (en) 1969-09-09
DE1911492B2 (en) 1971-12-02
DE1911492A1 (en) 1970-01-02
GB1194168A (en) 1970-06-10
NL136342C (en)

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee