Marking of interspersed motion-picture scenes and still shots with interrupt-transport markings

US4194817A · kind A · utility

Assignee

• AGFA-Gervaert AG · DE

Inventors

• Frank Staudacher · Haan, DE
• Otto Stemme · Munich, DE
• Peter Lermann · Feldkirchen-Westerham, DE
• Werner Went · Leverkusen, DE
• Volkmar Stenzenberger · Unterhaching, DE
• Eberhard Herzig · Cologne, DE
• Friedrich Stumpf
• Thomas Scheller · Munich, DE
• Jurgen Sylla · Oberhaching, DE
• Friedrich Winkler · Unterhaching, DE
• Johann Zanner · Unterhaching, DE

Key dates

• Filing date: Oct 10, 1978
• Grant date: Mar 25, 1980
• Expiry date: Oct 10, 1998

Classification

• Technology area (CPC G): Physics
• CPC primary: G03B2217/246
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The user of a motion-picture camera selects between motion-picture and single-exposure operation, and presses a release member to initiate shooting, letting go of it to terminate motion-picture shooting. Each time the user lets go of the release member, an internal device provides an interrupt-transport marking alongside the just exposed film frame, or phase shifted relative thereto. Alternatively, the interrupt-transport marking is provided the next time the user presses the release member. In this way, the terminal frame of each motion-picture scene, and each and every one of the interspersed single-exposure shots, is provided with an interrupt-transport frame marking. Thus, if the film is run through a reproducing apparatus provided with a marking detector, detection of each interrupt-transport marking during motion-picture reproduction causes the terminal frame of each motion-picture scene, and also each one of the still shots, to be persistently reproduced as a still image. The interrupt-transport markings could alternatively be provided by such a device in a reproducing apparatus.