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GB1464380A - Transparency holder - Google Patents

Transparency holder

Info

Publication number
GB1464380A
GB1464380A GB1163073A GB1163073A GB1464380A GB 1464380 A GB1464380 A GB 1464380A GB 1163073 A GB1163073 A GB 1163073A GB 1163073 A GB1163073 A GB 1163073A GB 1464380 A GB1464380 A GB 1464380A
Authority
GB
United Kingdom
Prior art keywords
frame
transparency holder
aperture
transparency
transparencies
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
GB1163073A
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.)
EDUCATION PROJECTS INT Ltd
Original Assignee
EDUCATION PROJECTS INT 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 EDUCATION PROJECTS INT Ltd filed Critical EDUCATION PROJECTS INT Ltd
Priority to GB1163073A priority Critical patent/GB1464380A/en
Publication of GB1464380A publication Critical patent/GB1464380A/en
Expired legal-status Critical Current

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
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)

Abstract

1464380 Transparency holder EDUCATION PROJECTS INTERNATIONAL Ltd 28 Feb 1974 [9 March 1973] 11630/73 Heading G2X A transparency holder includes a frame having a number of side members defining an aperture and locating pins 12, 13 integral with the frame and projecting from the surface of one side member only of the frame to be capable of holding a number of transparencies in registration with each other while they extend across the aperture.
GB1163073A 1974-02-28 1974-02-28 Transparency holder Expired GB1464380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1163073A GB1464380A (en) 1974-02-28 1974-02-28 Transparency holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1163073A GB1464380A (en) 1974-02-28 1974-02-28 Transparency holder

Publications (1)

Publication Number Publication Date
GB1464380A true GB1464380A (en) 1977-02-09

Family

ID=9989819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1163073A Expired GB1464380A (en) 1974-02-28 1974-02-28 Transparency holder

Country Status (1)

Country Link
GB (1) GB1464380A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513378A (en) * 1981-10-20 1985-04-23 Antkowiak Edward T High-accuracy navigating apparatus with step-driven projected chart
USD390861S (en) 1996-02-26 1998-02-17 Chun-Chi Liao Negative film reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513378A (en) * 1981-10-20 1985-04-23 Antkowiak Edward T High-accuracy navigating apparatus with step-driven projected chart
USD390861S (en) 1996-02-26 1998-02-17 Chun-Chi Liao Negative film reader

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee