The international photographer (Jan-Dec 1940)

PflTfflTS No. 2,219,314 View Finder System. Winton C. Hoch, assignor to Technicolor Motor Picture Corp. Appln. May 18, 1937. 14 claims. A view finder having its own objective and adapted to be adjusted to compensate for parallax for any focal length view finder objective No. 2,214,013 — Apparatus for Producing Images. Jacob Z. Dennison, New York. N. Y. Appln. May 26, 1938. 9 claims. A motion picture film for continuous motion projection, having the images divided into a series of part images, the various part images being laterally and longitudinally displaced from each other, and the motion of the film being at an angle to both displacements. No. 2,214,022 — Camera for Photography or Cinematography in Color. Albert George Hillman, Maidenhead, England. Appln. Sept. 4, 1937. In Great Britain, Sept. 9, 1936. 2 claims. : A filter for use with cameras which simull taneously take a plurality of pictures i through a plurality of lenses, the filter having the proper number of colors and a plurality of shades of those colors for use with different lighting conditions. No. 2,214,568 — Projection Device. Paul U. Lannerd. assigner to The Rudolph Wurlitzer Company. Cincinnati. Ohio. Appln. Sept. 26, 1938. 18 claims. A multi-film automatic projector in which ' a plurality of endless reels of film are placed and any one of which may be selected, the selected film being moved into projection position where film advancing 1 means engage it. No. 2,214,531 — Color Photography. Reginald Killick, Chertsey. England, assignor of one-half to Charles Oak Crisp. London, England. Appln. Sept. 3, 1938. In Great Britain Sept. 3, 1937. 1 claim. ' A color film or plate having a coating of . particles of pot glass, the particles being •small enough so that a single laver of ten million of them will cover not more than one square inch, the mixture of particles cnsisting of two parts blue-violet, three j parts red, and four parts green, the particles being between the base and the emulsion. No. 2,215,464 — Motion Picture Apparatus. Eduard Geradus Dorgelo and Pieter van Alphen, Netherlands, assignors to Hartford National Bank and Trust Company, Hartford, Conn., as trustee. Appln. Jan. 4, 1939. In German Jan. 8, 1938. 6 claims. ; A continuous motion projector using an By ROBERT W. FULWIDER Patent Attorney, Los Angeles unperforated film, the film having optical control marks which control the operation of a shutter and optical compensation means. No. 2.215.502 — Substandard Sound Film. Martin Harper, England, assignor to Varley Sound Film System Ltd., London, England. Appln. June 4, 1938. In Great Britain Jan. 4, 1938. 3 claims. A substandard sound and picture film on which there are alternately printed frames of two or more series, with clear spaces in between frames with sprocket holes in alternate clear spaces. No. 2,216,004 — Method for Varying the Gradation of Lenticulated Color Films. Wolfgang Falta. Edgar Gretener, Hans Neugebauer, and Herbert Staude, Germany, assignors to Kislvn Corporation. New York, N. Y. Appln. Nov. 24, 1937. In Germany Nov. 25, 1936. 8 claims. A method of color photography which comprises forming in register with a lenticular film image, a supplementary duplicate image, the resolving power of which has a magnitude which is of the order of that of one of the Ienticulations. No. 2,216.960 — System for Making and Projecting Stereo Films. Werner Pistor and Fritz Kober. Germany, assignors to Zeiss Ikon Aktiengesellschaft, Dresden, Germany. Appln. June 15, 1938. In Germany April 14, 1937. 5 claims. A system for projecting stereoscopic pictures which makes use of the double picture method with optical wedges to bring the two images into substantial register, and with polarizing means to eliminate unwanted images which are formed No. 2,217,036 — Film Reeler for Cameras. Herbert Lloyd Williams. Akron, Ohio. Appln. Dec' 18, 1937. 7 claims. A film receptacle for motion picture cameras which has an exposure opening in the front wall, the wall being parallel to the plane of the reel, and which has means for twisting the film so that it will pass from an outer reel, in front of the opening, and onto a concentric inner take-up reel. No. 2,217,183 — Film Driving Mechanism. Ernest Ross, assignor to Radio Corp. of America. Original appln. May 26, 1936. Divided and this appln. April 7, 1938. 6 claims. A film reel drive mechanism having a film reel hub at one end and a friction member at the opposite end which is engaged when the device is turned in one direction and disengaged when turned in the other. No. 2,217,544 — Method of Treating Photographic Material to Obtain Colored Pictures. Paul Goldfinger, Belgium, assignor to Bela Caspar, Brussels, Belgium. Appln. May 20, 1939. 4 claims. A treating bath containing hydroiodic and hydrochloric acids for use in the production of color pictures by local reduction of the dye where metallic silver is present. No. 2,217,843 — Measurement of Electrically Conductive Material. Particularly Upon a Nonconductive Base. Nicholas Longer, assignor to Technical Measurement Corp.. Ridgewood, N. J. Appln. Dec 28, 1937. In Great Britain Dec. 29, 1936. 13 claims. A method of exploring the translucency of a photographic film by means of an electro-magnetic field. No. 2,217,899 — Light-Sensitive Multilayer Material Paul Goldfinger, Belgium, assignor to Bela Caspar, Brussels, Belgium. Appln. Nov. 18, 1938. In Germany Nov. 24, 1937. 3 claims. A multilayer photographic film having filter layers between emulsions, the filters being of substantially uniform thickness and color intensity, and comprising two substantially identical coatings directly superposed to each other. No. 2,218,001— Process for Makinc Colored Prints. Alan M. Gundelfinger and Lyne S. Trimble, assignors to Cinecolor, Inc., Los Angeles. Calif. Appln. Aug. 2, 1938 12 claims A method of making colored pictures by printing and developing a first image on a film, converting the image to Prussian blue and then to iron hydroxide, and then printing and developing a second image in register with the first image, changing the first image back to its original color, and coloring the second image a different color. for difficult shot* — THE ORIGINAL Scheibe's Monotone Filter INDICATES instantly how every color and light value of a scene or object will be rendered in the finished print before taking the picture. -: always ready. GRADUATED FILTERS Mwnh,M an4 »u,Mefr«>s FOG SCENES, DIFFUSED FOCUS AND OTHER EFFECTS Georqe H. Scheibo ORIGINATOR OF EFFECT FILTERS 1927 WEST 7BTM ST. LOS ANGELES, CAL International Photographer for December, 1940 27