CH534895A - Zeigeeinrichtung an einem Bildprojektionsgerät - Google Patents

Zeigeeinrichtung an einem Bildprojektionsgerät

Info

Publication number
CH534895A
CH534895A CH191472A CH191472A CH534895A CH 534895 A CH534895 A CH 534895A CH 191472 A CH191472 A CH 191472A CH 191472 A CH191472 A CH 191472A CH 534895 A CH534895 A CH 534895A
Authority
CH
Switzerland
Prior art keywords
image projection
pointing
pointing device
projection device
image
Prior art date
Application number
CH191472A
Other languages
English (en)
Inventor
Werner Johannsen Hans
Original Assignee
Braun Ag
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 Braun Ag filed Critical Braun Ag
Publication of CH534895A publication Critical patent/CH534895A/de

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
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Position Input By Displaying (AREA)
CH191472A 1971-02-12 1972-02-10 Zeigeeinrichtung an einem Bildprojektionsgerät CH534895A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106602 DE2106602A1 (de) 1971-02-12 1971-02-12 Zeigeeinrichtung zu einem Bildprojektionsgerät

Publications (1)

Publication Number Publication Date
CH534895A true CH534895A (de) 1973-03-15

Family

ID=5798531

Family Applications (1)

Application Number Title Priority Date Filing Date
CH191472A CH534895A (de) 1971-02-12 1972-02-10 Zeigeeinrichtung an einem Bildprojektionsgerät

Country Status (6)

Country Link
US (1) US3832050A (de)
CA (1) CA953550A (de)
CH (1) CH534895A (de)
DD (1) DD96593A5 (de)
DE (1) DE2106602A1 (de)
IT (1) IT949349B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114997A (en) * 1976-02-17 1978-09-19 Lunetta Donald M Navigational device
US4146314A (en) * 1978-01-30 1979-03-27 Polaroid Corporation Audio visual system having recorded moving light pointer and method
US4291954A (en) * 1980-01-24 1981-09-29 Polaroid Corporation Audiovisual system with improved moving light pointer
US4836786A (en) * 1987-08-07 1989-06-06 Joseph Leeb Enterprises, Inc. Demonstration calculator
GB2355080B (en) * 1999-10-06 2003-06-25 Gareth Lloyd A slide projector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1704811A (en) * 1926-09-30 1929-03-12 Eastman Kodak Co Projector
US2082802A (en) * 1935-02-13 1937-06-08 James C Karnes Plotting board
US3343452A (en) * 1964-11-17 1967-09-26 Bosch Elektronik Gmbh Pointer for a slide projector
US3387372A (en) * 1965-07-19 1968-06-11 Sabadishin Steve Pictorial plotting board and related plotting device

Also Published As

Publication number Publication date
CA953550A (en) 1974-08-27
US3832050A (en) 1974-08-27
DD96593A5 (de) 1973-03-20
DE2106602A1 (de) 1972-08-24
IT949349B (it) 1973-06-11

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Legal Events

Date Code Title Description
PL Patent ceased