DE7013986U - Schreibprojektor. - Google Patents

Schreibprojektor.

Info

Publication number
DE7013986U
DE7013986U DE19707013986 DE7013986U DE7013986U DE 7013986 U DE7013986 U DE 7013986U DE 19707013986 DE19707013986 DE 19707013986 DE 7013986 U DE7013986 U DE 7013986U DE 7013986 U DE7013986 U DE 7013986U
Authority
DE
Germany
Prior art keywords
writing
housing
projector
legs
cover plate
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
DE19707013986
Other languages
German (de)
English (en)
Inventor
Ritzerfeld Gerhard
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 DE19707013986 priority Critical patent/DE7013986U/de
Publication of DE7013986U publication Critical patent/DE7013986U/de
Priority to FR7111276A priority patent/FR2083285A5/fr
Priority to DK173471A priority patent/DK128134B/da
Priority to GB2349971A priority patent/GB1316704A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Drawing Aids And Blackboards (AREA)
DE19707013986 1970-04-13 1970-04-13 Schreibprojektor. Expired DE7013986U (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19707013986 DE7013986U (de) 1970-04-13 1970-04-13 Schreibprojektor.
FR7111276A FR2083285A5 (enExample) 1970-04-13 1971-03-31
DK173471A DK128134B (da) 1970-04-13 1971-04-13 Skiftprojektor.
GB2349971A GB1316704A (en) 1970-04-13 1971-04-19 Overhead projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19707013986 DE7013986U (de) 1970-04-13 1970-04-13 Schreibprojektor.

Publications (1)

Publication Number Publication Date
DE7013986U true DE7013986U (de) 1970-08-27

Family

ID=6610935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19707013986 Expired DE7013986U (de) 1970-04-13 1970-04-13 Schreibprojektor.

Country Status (4)

Country Link
DE (1) DE7013986U (enExample)
DK (1) DK128134B (enExample)
FR (1) FR2083285A5 (enExample)
GB (1) GB1316704A (enExample)

Also Published As

Publication number Publication date
DK128134B (da) 1974-03-04
GB1316704A (en) 1973-05-16
FR2083285A5 (enExample) 1971-12-10

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