FR2448165A1 - Appareil de fondu enchaine pour projecteurs de diapositives - Google Patents

Appareil de fondu enchaine pour projecteurs de diapositives

Info

Publication number
FR2448165A1
FR2448165A1 FR8002516A FR8002516A FR2448165A1 FR 2448165 A1 FR2448165 A1 FR 2448165A1 FR 8002516 A FR8002516 A FR 8002516A FR 8002516 A FR8002516 A FR 8002516A FR 2448165 A1 FR2448165 A1 FR 2448165A1
Authority
FR
France
Prior art keywords
slide projectors
fade
string
control unit
projectors
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.)
Granted
Application number
FR8002516A
Other languages
English (en)
French (fr)
Other versions
FR2448165B3 (US20100223739A1-20100909-C00025.png
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
Publication of FR2448165A1 publication Critical patent/FR2448165A1/fr
Application granted granted Critical
Publication of FR2448165B3 publication Critical patent/FR2448165B3/fr
Granted 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)
FR8002516A 1979-02-02 1980-02-01 Appareil de fondu enchaine pour projecteurs de diapositives Granted FR2448165A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2448165A1 true FR2448165A1 (fr) 1980-08-29
FR2448165B3 FR2448165B3 (US20100223739A1-20100909-C00025.png) 1981-11-20

Family

ID=3861734

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8002516A Granted FR2448165A1 (fr) 1979-02-02 1980-02-01 Appareil de fondu enchaine pour projecteurs de diapositives

Country Status (2)

Country Link
FR (1) FR2448165A1 (US20100223739A1-20100909-C00025.png)
GB (1) GB2047428B (US20100223739A1-20100909-C00025.png)

Also Published As

Publication number Publication date
GB2047428B (en) 1983-09-01
FR2448165B3 (US20100223739A1-20100909-C00025.png) 1981-11-20
GB2047428A (en) 1980-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse