DE3204966A1 - Schreibprojektor - Google Patents

Schreibprojektor

Info

Publication number
DE3204966A1
DE3204966A1 DE19823204966 DE3204966A DE3204966A1 DE 3204966 A1 DE3204966 A1 DE 3204966A1 DE 19823204966 DE19823204966 DE 19823204966 DE 3204966 A DE3204966 A DE 3204966A DE 3204966 A1 DE3204966 A1 DE 3204966A1
Authority
DE
Germany
Prior art keywords
writing
housing
projector
cuboid
angular
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.)
Granted
Application number
DE19823204966
Other languages
German (de)
English (en)
Other versions
DE3204966C2 (enrdf_load_stackoverflow
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
GRUNWALD PROJEKTOREN AG RUGGELL LI
Original Assignee
Demolux & Co KG GmbH
DEMOLUX
Demolux & Co Kg 6070 Langen 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 Demolux & Co KG GmbH, DEMOLUX, Demolux & Co Kg 6070 Langen GmbH filed Critical Demolux & Co KG GmbH
Priority to DE19823204966 priority Critical patent/DE3204966A1/de
Publication of DE3204966A1 publication Critical patent/DE3204966A1/de
Application granted granted Critical
Publication of DE3204966C2 publication Critical patent/DE3204966C2/de
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
DE19823204966 1982-02-12 1982-02-12 Schreibprojektor Granted DE3204966A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823204966 DE3204966A1 (de) 1982-02-12 1982-02-12 Schreibprojektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823204966 DE3204966A1 (de) 1982-02-12 1982-02-12 Schreibprojektor

Publications (2)

Publication Number Publication Date
DE3204966A1 true DE3204966A1 (de) 1983-08-25
DE3204966C2 DE3204966C2 (enrdf_load_stackoverflow) 1989-12-28

Family

ID=6155517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823204966 Granted DE3204966A1 (de) 1982-02-12 1982-02-12 Schreibprojektor

Country Status (1)

Country Link
DE (1) DE3204966A1 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507515A1 (de) * 1975-02-21 1976-09-02 Klaus W Reiser & Co Schreibprojektor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507515A1 (de) * 1975-02-21 1976-09-02 Klaus W Reiser & Co Schreibprojektor

Also Published As

Publication number Publication date
DE3204966C2 (enrdf_load_stackoverflow) 1989-12-28

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