Motion Picture News (Oct-Dec 1930)

108 Motion Picture News October 4 , 19 3 0 Patent Office Lists Many Inventions (Continued from Page 108) dependent of the character of the picture being scanned; making tone determinations at the established points in said adjacent line of scanning; re cording the last mentioned determinations ; and continuing the establishment of reading points, tone determinations, and recording in like manner until the entire picture has been analyzed. 1,771,266. RADIO LOUD SPEAKER. Cieahles McConnell, New York, N. Y. Filed Mar. 26, 1929. Serial No. 349,950. 9 Claims. (CI. 131 — 31.) 1. A loud speaker, comprising a frame, a diaphragm attached on the front thereof, a loud speaker mounted on the rear of the frame, and a vibration spreader connected between the loud speaker and diaph.agin, said diaphragm consisting of a membrane and individual sound boards. 1,771,360. ELECTROMAGNETIC APPARATUS FOR THE TRANSMISSION OF IMAGES. Leon ThurM. Suresnes, France. Filed Jan. 23, 1928. Serial No. 248,924, and in France Feb. 5, 1927. 2 Claims. (CI. 178—6.) aJ^ 1. An apparatus for the transmission of images comprising a photo-electric retina consists of a plurality of photo-electric cells disposed in electric circuits, said cells being adapted to explore simultaneously the luminous points of an image, a plurality of electromagnetic means for simultaneously recording each explored portion of the image, and other electro-magnetic means associated with said recording means for successively transmitting the recorded portion of the image by each recording means. 1,771,450. PHOTOGRAPHIC ROLL FILM HOLDER. Preston F. Smith and Zephyr N. Boucher, Lewiston, Me. Filed Mar. 14, 1927. Serial No. 175,305. 3 Claims. (CI. 24—261.) 1. A film hanger embodying two parallel resilient rod portions between which a film end may be inserted, said rod portions' being fixed against relative movement other than springing and being so closely related as to be outwardly sprung by forcing of a film end between them, whereby said film end will be frictionally clamped between said rod portions, vertical rod portions bent upwardly at the ends of said parallel rod portions, and lateral rod portions bent outwardly at the upper ends of said vertical rod portions, said vertical and lateral rod portions providing hangers and holding said parallel rod portions against spreading other lhan outward springing. 1,771,483. PHOTOGRAPHIC ROLL HOLDER. Frederick W. Brehm, Rochester, N. Y., assignor to Eastman Kodak Company, Rochester, N. V, a Corporation of New York. Filed Sept. 26, 1923. Serial No. 664,971. 8 Claims. (CI. 242—71.) 1. In a photographic roll holler, the combination with a dark chamber having forwardly converging walls forming triangular film chambers* on opposite sides of the dark chamber, of rollers spanning the chambers and film spools arranged in the latter and confined between the front walls thereof and the rollers, the end walls of the film chambers being cut away to permit the end flanges of the spools to be grasped by the operator the rollers being arranged outwardly of the centers of the spools with reference to the axis of the camera. 1.771,820. MEANS OF RECORDING AND REPRODUCING PICTURES. IMAGES, AND THE LIKE. Boris Rtcheouloff, London, England. Filed Mar. 9, 1927. Serial No. 174.009. and in Russia June 27, 1922. 1 Claim. (CI. 178—6.) '<$&& The combination with a recording device having a traveling magnetic member, and electro-magnetic means associated therewith, of a photo-electric cell comprising a thermionic tube, a mechanically vibrating device within said tube, said device being adapted to vibrate in two directions at right angles to one another, and having one end fixed, a photo -electrically sensitized surface disposed on the other end of said tube and an electric circuit including a Source of supply, said photo-electric cell, said electro -magnetic means and an amplifier. 1.771,925. FILM-MARKING APPARATUS. Charles A. Hoxie, Alplaus, N. Y., assignor to General Electric Companv, a Corporation of New York. Filed May 16, 1928. Serial No. 278,221. 7 Claims. (CI. 8—16.2.) 1. In a motion picture camera having means for successively exposing a film, a shutter arranged to interrupt the exposure of the film, and means operatively connecting the shutter and the camera for causing the interruption of the exposure to be limited to a single picture. 1,772.622. MOTION-PICTURE COLOR PHOTOGRAPHY. Pierre M. Artigue. Los Angeles, Calif. Filed May 11. 1927. Serial No, 190,595. 5 Claims. (CI. 88—16.4.) -XJff 1. The herein described method of coloring motion picture films which consists in mounting a positive film upon supports that are threaded through the apertures at the sides of the film so that certain of the frames of the film are disposed on one side of the supports and the other frames on the other side of the supports, then coloring the frames of said film on one side of said supports and then distinctively coloring the frames of the film on the other side of said supports. 1,772,645. SOUND AMPLIFIER. Leslie Stevens, Glen Ridge, N. J., assignor to Stevens Manufacturing Corporation, New York, N. Y., a Corporation of Delaware. Filed Sept. 29, 1925. Serial No. 59.261. 8 Claims. (CI. 181—27.) 1. A sound amplifier, comprising a plurality of rigidly connected members constructed of sheet material and arranged in nested spaced concentric relationship to define a tortuous passage of gradually increasing cross-sectional area, and a detachable outer casing of sheet material enclosing said plurality of members, said outer casing contacting with the outer one of said plurality of members adjacent to the outer edge thereof to prevent vibration of said member. 1.772,774. CINEMA CAMERA. Emanuel Goldberg, Dresden, Germany, assignor to the Firm: I C A, Aktiengellschaft, Dresden, Germany. Filed Aug. 11, 1925, and in Germany Sept. 5, 1924. Serial No. 49,638. 3 Claims. (CI. 161—26.) 1. A time-controlled release mechanism for cinematographic cameras, including in combination power means for operating the camera, a rotatable stop member, a driven element, an escapement mechanism for operating said driven element, a hinged lever carried by said driven element, a stop with which said hinged member is normally engaged, means to disengage said member from said stop and cause its engagement with said rotatable stop member, and manually controlled means normally engageable with said stop member to permit of the operation of said escapement mechanism and subsequent actuation of said power means.