MX9306195A - Mecanismo de ajuste para un proyector de trayectoria de proyeccionelevada. - Google Patents

Mecanismo de ajuste para un proyector de trayectoria de proyeccionelevada.

Info

Publication number
MX9306195A
MX9306195A MX9306195A MX9306195A MX9306195A MX 9306195 A MX9306195 A MX 9306195A MX 9306195 A MX9306195 A MX 9306195A MX 9306195 A MX9306195 A MX 9306195A MX 9306195 A MX9306195 A MX 9306195A
Authority
MX
Mexico
Prior art keywords
support
pad
post
projection path
flat
Prior art date
Application number
MX9306195A
Other languages
English (en)
Inventor
James Everett 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 MX9306195A publication Critical patent/MX9306195A/es

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
    • 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
    • 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
    • Y10S353/06—Head accessories

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Esta invención se refiere a un mecanismo de ajuste para su uso con unproyector de trayectoria de proyección elevada, o aérea, que tiene unposte o columna que se extiende hacia arriba para soportar una cabeza deproyección fijada al mecanismo de fijación, que incluye una almohadilla oapoyo plano de desgaste, que rodea parcialmente el poste o columna, unaalmohadilla o apoyo plano de fricción, colocado opuesto a la almohadilla oapoyo plano de desgaste, con respecto al poste, y un resorte para empujara la almohadilla o apoyo plano de fricción, hacia el poste.
MX9306195A 1992-10-22 1993-10-05 Mecanismo de ajuste para un proyector de trayectoria de proyeccionelevada. MX9306195A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/960,562 US5245370A (en) 1992-10-22 1992-10-22 Overhead projector focus arm adjustment mechanism

Publications (1)

Publication Number Publication Date
MX9306195A true MX9306195A (es) 1995-01-31

Family

ID=25503329

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9306195A MX9306195A (es) 1992-10-22 1993-10-05 Mecanismo de ajuste para un proyector de trayectoria de proyeccionelevada.

Country Status (8)

Country Link
US (1) US5245370A (es)
EP (1) EP0665959B1 (es)
JP (1) JPH08502596A (es)
CA (1) CA2145390C (es)
DE (1) DE69324496T2 (es)
MX (1) MX9306195A (es)
NO (1) NO309499B1 (es)
WO (1) WO1994009404A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740736B1 (en) * 1994-01-21 2000-05-17 Interlock Group Limited A window operator
AU2316695A (en) * 1994-04-29 1995-11-29 Lodge Flying Ltd. Stabilisation of radio controlled aircraft
FR2729393B1 (fr) * 1995-01-18 1997-03-21 Bp Chemicals Snc Procede de polymerisation d'olefine
US5465127A (en) * 1995-03-15 1995-11-07 Minnesota Mining And Manufacturing Company Overhead projector with vibration control head
USD435578S (en) * 1998-11-26 2000-12-26 Elmo Co., Ltd. Overhead projector
US6443577B1 (en) * 2000-12-15 2002-09-03 3M Innovative Properties Company Overhead projection having a friction secured adjustable cantilevered head
US20030035092A1 (en) * 2001-08-15 2003-02-20 Brian Bramlett Light pattern projection system
US20080068565A1 (en) * 2006-09-12 2008-03-20 Ods Co., Ltd. Micro display device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148853A (en) * 1961-12-06 1964-09-15 Charles Beseler Company Focusing mechanism for photographic apparatus
US3191491A (en) * 1961-12-26 1965-06-29 Charles Beseler Company Head for overhead projectors
US3711194A (en) * 1965-10-24 1973-01-16 H Wilson Overhead projection apparatus
US3547530A (en) * 1968-11-12 1970-12-15 Bell Telephone Labor Inc Overhead projector
DE2553556C3 (de) * 1975-11-28 1979-02-22 Rollei-Werke Franke & Heidecke, 3300 Braunschweig Verstellvorrichtung an fotografischen Vergrößerungs- oder Reprogeräten
US4634246A (en) * 1985-04-01 1987-01-06 Minnesota Mining And Manufacturing Company Automatic focus for overhead projector
US4795252A (en) * 1987-05-26 1989-01-03 Buhl Industries, Inc. Overhead projector
DE9105217U1 (de) * 1991-04-27 1991-06-13 Gebrüder Röttgers OHG, 5873 Ihmert Trageinrichtung mit stufenlos höhenverstellbarem Ausleger

Also Published As

Publication number Publication date
CA2145390A1 (en) 1994-04-28
DE69324496D1 (de) 1999-05-20
WO1994009404A1 (en) 1994-04-28
NO951342D0 (no) 1995-04-06
NO951342L (no) 1995-04-06
CA2145390C (en) 2003-04-15
EP0665959A1 (en) 1995-08-09
JPH08502596A (ja) 1996-03-19
EP0665959B1 (en) 1999-04-14
DE69324496T2 (de) 1999-10-28
US5245370A (en) 1993-09-14
NO309499B1 (no) 2001-02-05

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees