Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 4089450 | Manual film retrieval Apparatus whereby a filmstrip operator can conveniently reestablish the engagement between a sprocket and an overdriven filmstrip in a filmstrip projector. The projector operator manipulates a thumb wheel to cause a roller to come into contact with a surf... | 05/16/1978 |
| 4088401 | Optical system for alternatively projecting adjacent images of adjacent objects or double images of a single object An optical system is disclosed for substantially doubling the capacity of a photocopying apparatus or the like. It provides alternative modes of operation; adjacent imaging of adjacent objects or double imaging of a single object. In the adjacent imaging ... | 05/09/1978 |
| 4083631 | Animated visual effect adaptor for gated still picture projectors An animated visual effect device is carried by a support such as a platform from which the device may depend, the device being adapted to be received in the projection gate of a projector between the light source and the projection lens system of the proj... | 04/11/1978 |
| 4072411 | Display device having image sense reversal capability An improved display device utilizes an electro-optical panel including an electrically insulating layer and a light-modulating layer of dipole, light control particles dispersed in a transparent matrix. An imaging electric charge pattern is impressed on t... | 02/07/1978 |
| 4060316 | Imaging method An imaging method which is comprised of a spatially varying imagewise output intensity for a corresponding imaging input. An imaging member comprising between two electrodes a photoconductor in contact with an about 1 to about 6 micron thick layer of nema... | 11/29/1977 |
| 4059475 | Combined mounting and projection apparatus for aperture cards This invention relates to a mounting apparatus for aperture cards comprising cutting means for severing individual filmed images from a strip of film, said cutting means including a knife unit and a counter-knife unit, said knife unit being part of a plun... | 11/22/1977 |
| 4035068 | Speckle minimization in projection displays by reducing spatial coherence of the image light An optical system for minimizing the speckle observed in a projected image, the image being produced by a projection display device. Coherent or non-coherent light illuminates the projection display device image and an image thereof is formed at an interm... | 07/12/1977 |
| 4032980 | Recorded magnetic member viewing apparatus Apparatus for viewing latent magnetic images on recorded magnetizable recording members. The apparatus comprises means for advancing a magnetizable recording member bearing a latent magnetic image into a detection station at which a magneto-optic cell pro... | 06/28/1977 |
| 4021105 | Apparatus for projecting enlarged video images An apparatus is provided for receiving a video image from a television receiver and projecting an enlargement of the image onto a suitable reflecting means, and alternatively for providing direct viewing of the television receiver video screen. The appara... | 05/03/1977 |
| 4013353 | Optical reflecting system A reflecting system utilizing a uniquely designed external mirror of specified shape to project and reflect light beams, distortion-free to the eye, from a light source to a receiving surface. The light source is uniquely positioned in relation to the mir... | 03/22/1977 |
| 3998523 | Electro-optic ceramic material An electro-optic ceramic material useful for electro-optic applications comprising an anti-ferroelectric phase (or para-electric phase) and a ferroelectric phase, the two phases of which coexist having a morphotrophic phase boundary. The scattering of lig... | 12/21/1976 |
| 3988059 | Projector A wide angle projector is disclosed for projecting an image having an illuminated and unilluminated region on either side of a straight boundary region which defines a datum plane established by the orientation of the projector. The image is detected at a... | 10/26/1976 |
| 3980403 | Variable grating mode imaging method A novel projection imaging method. An imaging member is utilized comprising between two electrodes a negative photoconductor in contact with an about 1 to about 6 micron thick layer of nematic liquid crystalline material which, in the absence of an electr... | 09/14/1976 |
| 3979160 | Compact overhead projector A compact portable overhead projector providing improved uniformity and efficiency of illumination employs an off-focus light source within a truncated light-diffusing ellipsoidal reflector in conjunction with an off-focus aperture plate adjacent the open... | 09/07/1976 |
| 3970987 | Acoustical switch An acoustical switch is actuated from a remote location by a sound generator such as an ultrasonic whistle. The switch includes a special tuned signal receiver coupled with an amplifier having a frequency selective feedback network. The output of the ampl... | 07/20/1976 |
| 3950086 | Dental light reflector and visual-audio analgesic assembly A dental light reflector and visual-audio analgesic assembly having a housing including a display screen upon which a selected film is projected and/or displayed. A reflector device is mounted below the housing, and includes a reflector and interacting la... | 04/13/1976 |
| 3947189 | Optical data projection device An optical device for concentrating in a plane a radiation modulated by an object, carrying data. It comprises a mask splitting an incident beam into a plurality of elementary beams, and two stigmatic systems, the first of which for focussing and the seco... | 03/30/1976 |
| 3945722 | Dynamic color pattern generator To produce the most pleasing display of the color patterns, the colored light, which is produced by interference of light waves from the two surfaces of a thin liquid film, is separated from the principal beam of the incident light, magnified, and project... | 03/23/1976 |
| 3945721 | Group display system A group display generator of the type wherein information appearing on the surface of a cathode ray tube is recorded on film and projected in color upon a large viewing screen. The system employs a dry type silver halide film and dry film developing proce... | 03/23/1976 |
| 3941456 | Device for reducing the granulation in the transmission of optical information by means of a highly coherent beam of radiation A device is described for reducing the granulation during the transmission of optical information with a highly coherent radiation beam. The device includes a first objective system, a radiation-diffusing element disposed in the image plane thereof, a sec... | 03/02/1976 |
