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Application filed by Autophon AgfiledCriticalAutophon Ag
Priority to NL7001783ApriorityCriticalpatent/NL145377B/xx
Publication of NL7001783ApublicationCriticalpatent/NL7001783A/xx
Publication of NL145377BpublicationCriticalpatent/NL145377B/xx
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
G09F11/12—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like
G09F11/14—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like the elements being in the form of stiff flaps, boards, cards, or the like
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
NL7001783A1970-02-091970-02-09Optische signaalmelder met een signaaldrager en een inrichting voor het beinvloeden van een terugmeldsignaal.
NL145377B
(nl)