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Priority to FR818343ApriorityCriticalpatent/FR77149E/fr
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Publication of FR77149EpublicationCriticalpatent/FR77149E/fr
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F19/00—Advertising or display means not otherwise provided for
G09F19/12—Advertising or display means not otherwise provided for using special optical effects
G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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Business, Economics & Management
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FR818343A1960-02-121960-02-12Dispositif pour la projection d'une succession d'images mouvantes et fugitives
ExpiredFR77149E
(fr)