DE7323841U - Tageslicht-projektionsgeraet - Google Patents

Tageslicht-projektionsgeraet

Info

Publication number
DE7323841U
DE7323841U DE19737323841U DE7323841U DE7323841U DE 7323841 U DE7323841 U DE 7323841U DE 19737323841 U DE19737323841 U DE 19737323841U DE 7323841 U DE7323841 U DE 7323841U DE 7323841 U DE7323841 U DE 7323841U
Authority
DE
Germany
Prior art keywords
projection device
light sources
daduroh
holder
lamp
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
DE19737323841U
Other languages
German (de)
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19737323841U priority Critical patent/DE7323841U/de
Publication of DE7323841U publication Critical patent/DE7323841U/de
Priority to FR7344734A priority patent/FR2234828A5/fr
Priority to CH586374A priority patent/CH566020A5/xx
Priority to BE144230A priority patent/BE814924A/xx
Priority to GB2127974A priority patent/GB1421095A/en
Priority to NO741871A priority patent/NO741871L/no
Priority to DK333674A priority patent/DK333674A/da
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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • 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)
DE19737323841U 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet Expired DE7323841U (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19737323841U DE7323841U (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet
FR7344734A FR2234828A5 (enrdf_load_stackoverflow) 1973-06-23 1973-12-14
CH586374A CH566020A5 (enrdf_load_stackoverflow) 1973-06-23 1974-04-29
BE144230A BE814924A (fr) 1973-06-23 1974-05-13 Appareil de projection au jour
GB2127974A GB1421095A (en) 1973-06-23 1974-05-14 Overhead projector
NO741871A NO741871L (enrdf_load_stackoverflow) 1973-06-23 1974-05-22
DK333674A DK333674A (enrdf_load_stackoverflow) 1973-06-23 1974-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19737323841U DE7323841U (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet

Publications (1)

Publication Number Publication Date
DE7323841U true DE7323841U (de) 1973-11-22

Family

ID=6639341

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19737323841U Expired DE7323841U (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet

Country Status (7)

Country Link
BE (1) BE814924A (enrdf_load_stackoverflow)
CH (1) CH566020A5 (enrdf_load_stackoverflow)
DE (1) DE7323841U (enrdf_load_stackoverflow)
DK (1) DK333674A (enrdf_load_stackoverflow)
FR (1) FR2234828A5 (enrdf_load_stackoverflow)
GB (1) GB1421095A (enrdf_load_stackoverflow)
NO (1) NO741871L (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7628047U1 (de) * 1976-09-08 1976-12-30 Rollei-Werke Franke & Heidecke, 3300 Braunschweig Stehbildprojektor
US5301094A (en) * 1993-03-17 1994-04-05 Minnesota Mining And Manufacturing Company Lamp changing assembly for overhead projector

Also Published As

Publication number Publication date
FR2234828A5 (enrdf_load_stackoverflow) 1975-01-17
NO741871L (enrdf_load_stackoverflow) 1975-01-20
BE814924A (fr) 1974-09-02
DK333674A (enrdf_load_stackoverflow) 1975-02-10
GB1421095A (en) 1976-01-14
CH566020A5 (enrdf_load_stackoverflow) 1975-08-29

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