GB2047428B - Dissolve apparatuses for slide projectors - Google Patents

Dissolve apparatuses for slide projectors

Info

Publication number
GB2047428B
GB2047428B GB8003510A GB8003510A GB2047428B GB 2047428 B GB2047428 B GB 2047428B GB 8003510 A GB8003510 A GB 8003510A GB 8003510 A GB8003510 A GB 8003510A GB 2047428 B GB2047428 B GB 2047428B
Authority
GB
United Kingdom
Prior art keywords
dissolve
apparatuses
slide projectors
projectors
slide
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
GB8003510A
Other languages
English (en)
Other versions
GB2047428A (en
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.)
BARTOK L
Original Assignee
BARTOK L
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 BARTOK L filed Critical BARTOK L
Publication of GB2047428A publication Critical patent/GB2047428A/en
Application granted granted Critical
Publication of GB2047428B publication Critical patent/GB2047428B/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB8003510A 1979-02-02 1980-02-01 Dissolve apparatuses for slide projectors Expired GB2047428B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE873887 1979-02-02

Publications (2)

Publication Number Publication Date
GB2047428A GB2047428A (en) 1980-11-26
GB2047428B true GB2047428B (en) 1983-09-01

Family

ID=3861734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003510A Expired GB2047428B (en) 1979-02-02 1980-02-01 Dissolve apparatuses for slide projectors

Country Status (2)

Country Link
FR (1) FR2448165A1 (US07943777-20110517-C00090.png)
GB (1) GB2047428B (US07943777-20110517-C00090.png)

Also Published As

Publication number Publication date
FR2448165A1 (fr) 1980-08-29
FR2448165B3 (US07943777-20110517-C00090.png) 1981-11-20
GB2047428A (en) 1980-11-26

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Legal Events

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