CA944646A - Accessory storage and projection apparatus for visual communication - Google Patents

Accessory storage and projection apparatus for visual communication

Info

Publication number
CA944646A
CA944646A CA123,916A CA123916A CA944646A CA 944646 A CA944646 A CA 944646A CA 123916 A CA123916 A CA 123916A CA 944646 A CA944646 A CA 944646A
Authority
CA
Canada
Prior art keywords
projection apparatus
visual communication
accessory storage
accessory
storage
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.)
Expired
Application number
CA123,916A
Other languages
English (en)
Other versions
CA123916S (en
Inventor
John S. 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
Application granted granted Critical
Publication of CA944646A publication Critical patent/CA944646A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F5/00—Sheets and objects temporarily attached together; Means therefor; Albums
    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor
    • G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor with rotary movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sheet Holders (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CA123,916A 1970-10-02 1971-09-28 Accessory storage and projection apparatus for visual communication Expired CA944646A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7757070A 1970-10-02 1970-10-02

Publications (1)

Publication Number Publication Date
CA944646A true CA944646A (en) 1974-04-02

Family

ID=22138846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123,916A Expired CA944646A (en) 1970-10-02 1971-09-28 Accessory storage and projection apparatus for visual communication

Country Status (5)

Country Link
JP (1) JPS5122853B1 (enrdf_load_stackoverflow)
CA (1) CA944646A (enrdf_load_stackoverflow)
DE (1) DE2149199A1 (enrdf_load_stackoverflow)
FR (1) FR2110879A5 (enrdf_load_stackoverflow)
GB (1) GB1362214A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54168759U (enrdf_load_stackoverflow) * 1978-05-18 1979-11-28
JPS6380922U (enrdf_load_stackoverflow) * 1986-11-18 1988-05-27

Also Published As

Publication number Publication date
GB1362214A (en) 1974-07-30
FR2110879A5 (enrdf_load_stackoverflow) 1972-06-02
DE2149199A1 (de) 1972-05-25
JPS5122853B1 (enrdf_load_stackoverflow) 1976-07-13

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