NO137737C - Projeksjonsapparat for epidiaskopisk projeksjon - Google Patents

Projeksjonsapparat for epidiaskopisk projeksjon

Info

Publication number
NO137737C
NO137737C NO3544/73A NO354473A NO137737C NO 137737 C NO137737 C NO 137737C NO 3544/73 A NO3544/73 A NO 3544/73A NO 354473 A NO354473 A NO 354473A NO 137737 C NO137737 C NO 137737C
Authority
NO
Norway
Prior art keywords
projection
epidiascopic
projection apparatus
epidiascopic projection
Prior art date
Application number
NO3544/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO137737B (no
Inventor
Jan-Erik Asteroe
Original Assignee
Lindaco 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 Lindaco Ltd filed Critical Lindaco Ltd
Publication of NO137737B publication Critical patent/NO137737B/no
Publication of NO137737C publication Critical patent/NO137737C/no

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
    • 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
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
NO3544/73A 1972-09-12 1973-09-11 Projeksjonsapparat for epidiaskopisk projeksjon NO137737C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11778/72A SE366842B (en:Method) 1972-09-12 1972-09-12

Publications (2)

Publication Number Publication Date
NO137737B NO137737B (no) 1978-01-02
NO137737C true NO137737C (no) 1978-04-19

Family

ID=20294608

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3544/73A NO137737C (no) 1972-09-12 1973-09-11 Projeksjonsapparat for epidiaskopisk projeksjon

Country Status (15)

Country Link
US (1) US3922079A (en:Method)
JP (1) JPS4994329A (en:Method)
AT (1) AT342890B (en:Method)
BE (1) BE804590A (en:Method)
CA (1) CA1001869A (en:Method)
CH (1) CH559920A5 (en:Method)
ES (1) ES418656A1 (en:Method)
FR (1) FR2199414A6 (en:Method)
GB (1) GB1443464A (en:Method)
IL (1) IL43187A (en:Method)
IT (1) IT995343B (en:Method)
NL (1) NL155662B (en:Method)
NO (1) NO137737C (en:Method)
SE (1) SE366842B (en:Method)
ZA (1) ZA737129B (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177484A (en) * 1977-05-16 1979-12-04 Agar International Ltd. Large screen television
EP0104465B1 (de) * 1982-09-02 1986-11-05 Demolux GmbH & Co.KG. Overhead-Projektor
GB2256498B (en) * 1991-05-10 1994-08-03 Simon John Richards Projector apparatus for projecting overhead projector transparencies and slides
ES2154945B1 (es) * 1995-06-08 2001-11-01 Soriano Salvador Puig Perfeccionamientos en maquinas para colocar ojetes en pieles y similares.
WO1997046995A1 (en) * 1996-06-07 1997-12-11 Haworth, Inc. Table with internal projection system
US5826962A (en) * 1997-04-30 1998-10-27 Minnesota Mining And Manufacturing Company LCD integrated/overhead projector

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1341665A (en) * 1916-10-31 1920-06-01 Spencer Lens Co Projection apparatus
US1870702A (en) * 1931-04-13 1932-08-09 Rca Corp Television apparatus
US2332691A (en) * 1940-10-22 1943-10-26 Spencer Lens Co Projection apparatus
US2414977A (en) * 1943-10-07 1947-01-28 Reid And Sigrist Ltd Optical projection apparatus
US2482031A (en) * 1944-07-21 1949-09-13 Joseph K Rose Image display apparatus and cabinet having adjustable light shields
US2608126A (en) * 1950-03-21 1952-08-26 Oestreicher Leonard Apparatus for projecting strip films and related cabinet structures
US3535030A (en) * 1967-09-18 1970-10-20 Doban Labs Inc Display device
US3535033A (en) * 1968-01-11 1970-10-20 Edwin Busch Multiple unit projection system
GB1280977A (en) * 1970-04-15 1972-07-12 Charles Frank Ltd Optical projection device

Also Published As

Publication number Publication date
NL7312506A (en:Method) 1974-03-14
ATA790573A (de) 1977-08-15
IL43187A0 (en) 1973-11-28
AU6018873A (en) 1975-03-13
IL43187A (en) 1976-09-30
CA1001869A (en) 1976-12-21
NL155662B (nl) 1978-01-16
US3922079A (en) 1975-11-25
IT995343B (it) 1975-11-10
AT342890B (de) 1978-04-25
GB1443464A (en) 1976-07-21
DE2345818A1 (de) 1974-03-28
BE804590A (fr) 1974-03-07
SE366842B (en:Method) 1974-05-06
JPS4994329A (en:Method) 1974-09-07
ES418656A1 (es) 1976-02-16
NO137737B (no) 1978-01-02
CH559920A5 (en:Method) 1975-03-14
DE2345818B2 (de) 1977-06-02
ZA737129B (en) 1975-04-30
FR2199414A6 (en:Method) 1974-04-05

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