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Petra AG fuer Elektro Mechanik
Original Assignee
Petra AG fuer Elektro Mechanik
Publication date
Priority to DEP46177DpriorityCriticalpatent/DE400406C/en
Application grantedgrantedCritical
Publication of DE400406CpublicationCriticalpatent/DE400406C/en
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
G03B19/00—Cameras
G03B19/18—Motion-picture cameras
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Photographic Processing Devices Using Wet Methods
(AREA)
Description
Abb.Fig.
Abb.Fig.
Claims (1)
Patent-Anspruch:Patent claim:Selbsttätiges Umschaltgetriebe zum Umsteuern von kinematographischen Vorführungsapparaten,
dadurch gekennzeichnet, daß auf eine durch zwangläufige Getriebe (/', t, 11, k, i) von der Zahnrolle (s;)
des Vorführungsapparates angetriebene Welle (g) zwei Zeiger (Z1, /2) aufgesetzt
sind, deren Lage zur Welle mit Hilfe einer feststehenden, nach Filmlängen eingeteilten
Scheibe (A) einstellbar ist.An automatic change gear for reversing of cinematographic screening apparatus, characterized in that a through zwangläufige transmission (/ ', t, 11, k, i) of the sprocket (s) of the screening apparatus driven shaft (g), two pointers (Z1, / 2 ) are attached, the position of which in relation to the shaft can be adjusted with the aid of a fixed disk (A) divided according to film length.
DEP46177D
Automatic changeover gear for cinematographic demonstration devices
ExpiredDE400406C
(en)
Improvements in television, in particular in telecinematography by television, in the methods and apparatus used in these techniques or similar techniques