DK379080A - Indretning til understoetning af transparenter ved en oerhead--projektor - Google Patents

Indretning til understoetning af transparenter ved en oerhead--projektor

Info

Publication number
DK379080A
DK379080A DK379080A DK379080A DK379080A DK 379080 A DK379080 A DK 379080A DK 379080 A DK379080 A DK 379080A DK 379080 A DK379080 A DK 379080A DK 379080 A DK379080 A DK 379080A
Authority
DK
Denmark
Prior art keywords
transparents
projector
overhead
supporting
supporting transparents
Prior art date
Application number
DK379080A
Other languages
Danish (da)
English (en)
Inventor
J S Wright
Original Assignee
Transart Ltd
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 Transart Ltd filed Critical Transart Ltd
Publication of DK379080A publication Critical patent/DK379080A/da

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)
DK379080A 1979-09-11 1980-09-05 Indretning til understoetning af transparenter ved en oerhead--projektor DK379080A (da)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK379080A true DK379080A (da) 1981-03-12

Family

ID=22119833

Family Applications (1)

Application Number Title Priority Date Filing Date
DK379080A DK379080A (da) 1979-09-11 1980-09-05 Indretning til understoetning af transparenter ved en oerhead--projektor

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)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE439999B (sv) * 1984-07-23 1985-07-08 Nord Ab Ingfirma Forfarande for presentation av information pa ett flertal arkformiga informationsberare samt anordning for genomforande av forfarandet
USD307030S (en) 1987-04-10 1990-04-03 Buhl Industries Light box assembly for an overhead projector
DE4241860A1 (de) * 1992-12-11 1994-06-16 Geha Werke Gmbh Wechseleinrichtung für die Projektion von Overhead-Folien und Klarsicht-Folientasche
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

Family Cites Families (5)

* 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
US3524703A (en) * 1968-07-29 1970-08-18 John S Wright Transparency storage and display device for an overhead projector
NL6918742A (OSRAM) * 1969-12-13 1971-06-15
US3709590A (en) * 1970-09-14 1973-01-09 A Bisberg Folder for overhead projector

Also Published As

Publication number Publication date
NL8005104A (nl) 1981-03-13
GB2060193A (en) 1981-04-29
CH647340A5 (de) 1985-01-15
DE3025927A1 (de) 1981-03-26
SE8005825L (sv) 1981-03-12
GB2060193B (en) 1983-08-24
FR2465247A1 (fr) 1981-03-20
CA1125066A (en) 1982-06-08
SE445394B (sv) 1986-06-16
FR2465247B1 (OSRAM) 1983-12-16

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment