Abstract: The invention describes a laser printing system (100) for illuminating an object moving relative to a laser module of the laser printing system (100) in a working plane (180), the laser module comprising at least two laser arrays of semiconductor lasers and at least one optical element, wherein the optical element is adapted to image laser light emitted by the laser arrays, such that laser light of semiconductor lasers of one laser array is imaged to one pixel in the working plane of the laser printing system, and wherein the laser printing system is a 3D printing system for additive manufacturing and wherein two, three, four or a multitude of laser modules (201, 202) are provided, which are arranged in columns (c1, c2) perpendicular to a direction of movement (250) of the object in the working plane (180), and wherein the columns are staggered with respect to each other such that a first laser module (201) of a first column of laser modules (c1) is adapted to illuminate a first area (y1) of the object and a

Abstract: The present invention provides a gas valve arrangement having at least one main valve that has a valve closure element which is connected with a fluid-actuated drive device. A pilot valve is connected to the drive device so as to control it by a pilot fluid flow, and which has a piezoelectric actuation element for influencing the pilot fluid flow. A control device is connected with the pilot valve and acts on it with an alternating voltage so as to open the main valve.

Abstract: The present invention provides a gas valve arrangement having at least one main valve that has a valve closure element which is connected with a fluid-actuated drive device. A pilot valve is connected to the drive device so as to control it by a pilot fluid flow, and which has a piezoelectric actuation element for influencing the pilot fluid flow. A control device is connected with the pilot valve and acts on it with an alternating voltage so as to open the main valve.

Abstract: Each time the operator is projecting the start or end of what is to become an audio scene, he presses a store switch, commanding storage of the current frame count, thereby defining all the audio scenes on the film one after the other, for subsequent recording work. Thereafter, during recording work, the projector is referenced to the start and end frame counts of one scene at a time, one scene after another, as the operator controls semi-automatic recording work on successive scenes. A green, red and yellow indicator lamp are arranged in left-to-right order. When the film is ahead of the start of the referenced scene only the green lamp is bright, when past the end of the scene only the yellow, when in the middle of the scene only the red, when at the exact start of the scene both the green and red, when at the exact end of the scene both the red and the yellow.

Abstract: Each time the operator is projecting the start or end of what is to become an audio scene, he presses a store switch, commanding storage of the current frame count, thereby defining all the audio scenes on the film one after the other, for subsequent recording work. Thereafter, during recording work, the projector is referenced to the start and end frame counts of one scene at a time, one scene after another, as the operator controls semiautomatic recording work on successive scenes. A green, red and yellow indicator lamp are arranged in left-to-right order. When the film is ahead of the start of the referenced scene only the green lamp is bright, when past the end of the scene only the yellow, when in the middle of the scene only the red, when at the exact start of the scene both the green and red, when at the exact end of the scene both the red and the yellow.

Abstract: The operator projects motion-picture film using a projector. A counter counts frame pulses during both forwards and reverse film transport, and thereby keeps track at all times of the film frame count. The operator during forwards projection when he sees the start or end of a scene pressss a storage switch which causes the scene-start or scene-end frame count to be stored. The operator also preselects the type of recording-transition effect to be implemented. The operator then commands dubbing of the scene, whereupon a minicomputer begins to automatically implement a series of operations, including projector motor control and recording control, to implement the selected recording-transition effect, in a programmed manner dependent upon the stored frame counts and the instantaneous frame count. In the middle of the dubbing of a scene, the operator can change the transition effect he selects, to produce a transition effect at the scene end different from that selected for the scene start.

Abstract: A recording projector for sound motion-picture film is used to do dubbing or rerecording work. The operator presses a store button to store the frame count of the frame being projected, and in this way stores all the frame counts for the starts and ends of several scenes, after which dubbing work is done on the thusly defined scenes. The current frame count of the film is indicated using an electronic multi-digit display unit having a row of controllable digit zones each of the 7-segment type and having controllable decimal point places. The multi-digit display unit is mounted upside-down, so that the decimal-point places are near the tops of the digit zones. The frame count is displayed on the digit zones with conventional appearance. The number of decimal-point places made visible at any given time indicates the number of the scene involved, both during initial frame-count storing work and during post-storing work on the scenes.