DE3025927A1 - Verlaengerungsplatte zur lagerung von transparentbildern fuer einen overheadprojektor - Google Patents

Verlaengerungsplatte zur lagerung von transparentbildern fuer einen overheadprojektor

Info

Publication number
DE3025927A1
DE3025927A1 DE19803025927 DE3025927A DE3025927A1 DE 3025927 A1 DE3025927 A1 DE 3025927A1 DE 19803025927 DE19803025927 DE 19803025927 DE 3025927 A DE3025927 A DE 3025927A DE 3025927 A1 DE3025927 A1 DE 3025927A1
Authority
DE
Germany
Prior art keywords
extension plate
transparencies
pack
book
body element
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.)
Withdrawn
Application number
DE19803025927
Other languages
German (de)
English (en)
Inventor
John S. Milwaukee Wis. Wright
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
Publication of DE3025927A1 publication Critical patent/DE3025927A1/de
Withdrawn legal-status Critical Current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)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
DE19803025927 1979-09-11 1980-07-09 Verlaengerungsplatte zur lagerung von transparentbildern fuer einen overheadprojektor Withdrawn DE3025927A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7449079A 1979-09-11 1979-09-11

Publications (1)

Publication Number Publication Date
DE3025927A1 true DE3025927A1 (de) 1981-03-26

Family

ID=22119833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803025927 Withdrawn DE3025927A1 (de) 1979-09-11 1980-07-09 Verlaengerungsplatte zur lagerung von transparentbildern fuer einen overheadprojektor

Country Status (8)

Country Link
CA (1) CA1125066A (OSRAM)
CH (1) CH647340A5 (OSRAM)
DE (1) DE3025927A1 (OSRAM)
DK (1) DK379080A (OSRAM)
FR (1) FR2465247A1 (OSRAM)
GB (1) GB2060193B (OSRAM)
NL (1) NL8005104A (OSRAM)
SE (1) SE445394B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001008A1 (en) * 1984-07-23 1986-02-13 Ingenjörsfirma B Nord Ab A method for presentation of information on a plurality of sheetshaped information carriers and a device for the accomplishment of the method
DE4241860A1 (de) * 1992-12-11 1994-06-16 Geha Werke Gmbh Wechseleinrichtung für die Projektion von Overhead-Folien und Klarsicht-Folientasche

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD307030S (en) 1987-04-10 1990-04-03 Buhl Industries Light box assembly for an overhead projector
WO1994024605A1 (en) * 1993-04-16 1994-10-27 Nichod Inc. Transparency organizer and storage tray
USD373779S (en) 1994-10-31 1996-09-17 Plus Corporation Combined overhead projector and automatic film feeding unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915518A1 (de) * 1968-07-29 1970-07-16 Wright John S Anordnung zur Aufnahme und Anzeige von Durchsichtbildern
US3709590A (en) * 1970-09-14 1973-01-09 A Bisberg Folder for overhead projector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253358A (en) * 1963-07-17 1966-05-31 John S Wright Visual teaching system
US3640613A (en) * 1967-03-24 1972-02-08 Scott Paper Co Transparency display apparatus
NL6918742A (OSRAM) * 1969-12-13 1971-06-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915518A1 (de) * 1968-07-29 1970-07-16 Wright John S Anordnung zur Aufnahme und Anzeige von Durchsichtbildern
US3709590A (en) * 1970-09-14 1973-01-09 A Bisberg Folder for overhead projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001008A1 (en) * 1984-07-23 1986-02-13 Ingenjörsfirma B Nord Ab A method for presentation of information on a plurality of sheetshaped information carriers and a device for the accomplishment of the method
DE4241860A1 (de) * 1992-12-11 1994-06-16 Geha Werke Gmbh Wechseleinrichtung für die Projektion von Overhead-Folien und Klarsicht-Folientasche

Also Published As

Publication number Publication date
NL8005104A (nl) 1981-03-13
GB2060193A (en) 1981-04-29
CH647340A5 (de) 1985-01-15
SE8005825L (sv) 1981-03-12
GB2060193B (en) 1983-08-24
FR2465247A1 (fr) 1981-03-20
CA1125066A (en) 1982-06-08
DK379080A (da) 1981-03-12
SE445394B (sv) 1986-06-16
FR2465247B1 (OSRAM) 1983-12-16

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal