In the District Court of the United States, for the Eastern District of Pennsylvania, the United States of America, petitioner, vs. Motion Picture Patents Company, et al., defendants (1913)

Record Details:

Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

154 Opinion on Camera and Film Patent. that the forward movement is made to take place 30 or more times per second, and preferably at least as high as 46 times per second, although the rapidity of movement or number of times per second may be regulated as desired to give satisfactory results; and there should be at least enough so that the eye of the observer cannot distinguish, or at least cannot clearly or positively distinguish, at a glance, the difference in position occupied by the objects in the successive pictures. The claims alleged to be infringed are as follows: "(1) An apparatus for effecting by photography a representation, suitable for reproduction, of a scene including a moving object or objects, comprising a means for intermittently projecting, at such rapid rate as to result in persistence of vision, images of successive positions of the object or objects in motion, as observed from a fixed and single point of view, a sensitized, tapelike film, and a means for so moving the film as to cause the successive images to be received thereon separately and in a singleline sequence. "(2) An apparatus for taking photographs suitable for the exhibition of objects in motion, having in combination a single camera, and means for passing a sensitized tape film at a high rate of speed across the lens of the camera, and for exposing successive portions of the film in rapid succession, substantially as set forth. "(3) An apparatus for taking photographs suitable for the exhibition of objects in motion, having in combination a single camera, and means for passing a sensitized tape film across the lens of the camera at a high rate of speed, and with an intermittent motion, and for exposing successive portions of the film during the periods of rest, substantially as set forth." "(5) An unbroken transparent or translucent tapelike photographic film, having thereon equi