TW329888U - Converting mechanism for transimissive overhead projector - Google Patents

Converting mechanism for transimissive overhead projector

Info

Publication number
TW329888U
TW329888U TW084208678U TW84208678U TW329888U TW 329888 U TW329888 U TW 329888U TW 084208678 U TW084208678 U TW 084208678U TW 84208678 U TW84208678 U TW 84208678U TW 329888 U TW329888 U TW 329888U
Authority
TW
Taiwan
Prior art keywords
transimissive
converting mechanism
overhead projector
projector
overhead
Prior art date
Application number
TW084208678U
Other languages
English (en)
Inventor
Jr Ernesto M Rodriquez
James E Peterson
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of TW329888U publication Critical patent/TW329888U/zh

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
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/03—Transparent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
TW084208678U 1994-05-13 1994-05-26 Converting mechanism for transimissive overhead projector TW329888U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/242,175 US5428416A (en) 1994-05-13 1994-05-13 Overhead projector support leg mechanism

Publications (1)

Publication Number Publication Date
TW329888U true TW329888U (en) 1998-04-11

Family

ID=22913752

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084208678U TW329888U (en) 1994-05-13 1994-05-26 Converting mechanism for transimissive overhead projector

Country Status (7)

Country Link
US (1) US5428416A (zh)
EP (1) EP0682285B1 (zh)
JP (1) JPH07319067A (zh)
KR (1) KR950033641A (zh)
CN (1) CN1070616C (zh)
DE (1) DE69514709T2 (zh)
TW (1) TW329888U (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5820242A (en) * 1996-03-29 1998-10-13 Minnesota Mining And Manufacturing Company Compact integrated LCD projector
US6595646B2 (en) * 2001-03-19 2003-07-22 3M Innovative Properties Company Low profile overhead projector having a foldable post

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870411A (en) * 1973-02-26 1975-03-11 Motiva Ltd Collapsible slide projection theatre
CA1168485A (en) * 1981-04-30 1984-06-05 John F. Dreyer, Jr. Portable overhead projector and carrying case
US4449800A (en) * 1983-01-26 1984-05-22 Buhl Industries, Inc. Portable overhead projector
DE3519506A1 (de) * 1985-05-31 1986-12-04 Demolux Gmbh & Co Kg, 6070 Langen Overhead-projektor
US4968134A (en) * 1988-06-29 1990-11-06 Ricoh Company, Ltd. Overhead projector
US4969733A (en) * 1989-10-02 1990-11-13 Dukane Corporation Foldable portable overhead projector

Also Published As

Publication number Publication date
JPH07319067A (ja) 1995-12-08
DE69514709D1 (de) 2000-03-02
CN1070616C (zh) 2001-09-05
DE69514709T2 (de) 2000-09-07
EP0682285A1 (en) 1995-11-15
KR950033641A (ko) 1995-12-26
EP0682285B1 (en) 2000-01-26
CN1124360A (zh) 1996-06-12
US5428416A (en) 1995-06-27

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