International photographer (Jan-Dec 1941)

PBTfflTS By ROBERT W. FULWIDER Patent Attorney, Los Angeles No. 2,230,570— Reflex Scanner. Edward P. Kennedy, assignor to Motiograph Inc., Chicago, 111. Appln. March 19. 1938. 8 claims. A projector having a film compliance drum which directly engages the film between the supply and take up sprocket, and which is driven at synchronous speed with the sprockets. No. 2,230,590 — Color Photographic Process. John Eggert and Gerd Heymer. Germany, assignors to General Aniline & Film Corp. Appln. Dec. 30, 1938. In Germany Jan. 22, 1938. 1 claim. A method of making colored photographic prints by exposing a special multi-emulsion negative, and then copying it, layer by layer, on a special multi-emulsion printing material. No. 2,230,938 — Method of Obtaining Color Photographs. Anne Henri Jacques de Lassws Saint Genies, Versailles, France. Appln. Dec. 29, 1936. In France Jan. 4, 1936. 2 claims. A method of obtaining colored photographs by exposing a lenticular negative and then chemically treating the film so that toning corresponding to that desired in the particular monochrome element is obtained. No. 2,230,977— Single Solution Photocraphic Developing and Fixing Bath. Garnet Philip Ham, assignor to American Cyanamid Co., New York. Appln. April 4, 1940. 9 claims. A single solution silver halide developing and fixing bath comprising a silver halide developing mixture, an amino benzoate and a silver halide fixing agent. No. 2,231,378 — Motion Printing Machine. Herbert Becker, Werner Bender and Walter Stroble, Germany, assignors to Kislyn Corp., New York. Appln. Aug. 6, 1938. In Germany Aug. 11, 1937. 3 claims. A printer in which an image of the original film is focussed on the copy film by a concave mirror. No. 2,231,383 — Film Splicer and Rewinder. Jacob M. Goldberg, Denver. Colo. Appln. Sept. 12, 1938. 13 claims. A film splicer having a clamp for holding the film and a motor-driven rotary cleaner slidable across the film to clean its upper surface. No. 2,231,384 — Film Rewinding Machine. Jacob M. Goldberg. Denver, Colo. Appln. Feb. 27, 1940. 13 claims. A film rewinder having a motor-driven friction disc which is contacted by a friction pinion at right angles to it and may be moved from the center to the edge to change the speed of the rewinding. No. 2,231,548 — Method of Projecting Pictures. Gerald F. Rackett, assignor to Technicolor Motion Picture Corp. Appln Sept. 20, 1939. 6 claims. A method of correcting films for use in a projector which forms a bright spot on the screen, consisting of making a positive of the projector-illuminated screen and printing the positive and the usual image-carrying negative on a single corrected positive. No. 2,231,663 — Neutral Gray Sound Track. Ralph M. Evans and Wesley T. Hanson, Jr., assignors to Eastman Kodak Co. Appln. May 6, 1938. 6 claims. The method of forming a sound track in photographic film which comprises developing the sound track in a coupler developer containing a p-benzyl phenol coupler and an aromatic amino developing compound. No. 2,231,665 — Loop Forming Member for Sprocketless Film Handling Apparatus. Henry N. Fairbanks, assignor to Eastman Kodak Co. Appln. July 22. 1938. 7 claims. A sprocketless camera or projector having a pair of posts, each adjacent the end of the pressure plate, and located so that the natural resilience of the film forms loops. No. 2,232,056 — Production of Color Film Having a Silver Sound Track. John Eggert and Hans Friedrich Nissen. Germany, assignors to General Aniline & Film Corp. Appln. Nov. 26, 1937. In Germany Dec. 2, 1936. 7 claims. A method of producing a silver sound track image on multi-emulsion color film by exposing and converting one of the emulsions to a color and silver image, converting the silver to a different silver halide, and then re-exposing and developing the silver bromide sound track and removing the silver halide. No. 2,232,144 — Method for Making Composite Motion Pictures. Ferdinand Method Sersen. asignor to Twentieth Century-Fox Film Corp. Appln. Nov. 12, 1938. 6 claims. A method of making composite pictures bv taking a foreground negative, making an enlarged negative of it and manually opaquing the part to be seen in the final picture and bleaching the background, and then using this as master mask for both the foreground and background film. No. 2,232,774 — Method of Scanning or Projecting Motion Pictures and Other Pictures. Jacob Z. Deninson, New York. Appln. Feb. 7, 1938. 3 A method of securing stereoscopic projection with a single film having a single row of longitudinally successive and equal frames which have aligned edges and which show objects in different relative positions. Newsreel Equipment Stolen Dear Mr. Aller: Some newsreel equipment has been stolen from our sound car here in Chicago. I am enclosing herewith a complete list of the items lost and their serial numbers. Would you kindly post this list on your bulletin board, and also would like to have it published in the International Photographer. The insurance company is offering $250.00 reward for its return. Because of the nature of the merchandise, it would be very difficult to dispose of this stuff except among professional operators. Any cooperation you give will be greatly appreciated. Sincerely yours, Jack Lieb, Midwest Bureau Mgr. News of the Day. 1. Case containing Audio Akeley Camera No. G125, and focusing tube for same. 2. Brown leather case containing Bell & Howell Eyemo Camera No. 4423, with Hugo Meyer Lens, F1.5, No. 294616; also six 1 6) 100-foot lengths of Super XX film. 3. Utility case containing changing bag, two (2) 800-foot rolls of Super XX film; labels for shipping: caption sheets; batteries, etc. If all or part of the stolen equipment is discovered in your district, please notifv Mr. Allen, of the Commercial Union Assurance Co., Ltd., 175 West Jackson Blvd., Chicago. Illinois, bv wire collect. Efficient Courteous Service m EVERYTHING PHOTOGRAPHIC Professional and Amateur ■ New and Used Equipment Bought, Sold and Rented m ART REEVES Camera Supply Co. 1515 North Cahuenga Boulevard HOLLYWOOD Cable Address: CALIFORNIA 'CAMERAS" International Photographer for April, 1941 21