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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 4188433 | Record carrier in disk form having cover layers The invention relates to a disk-shaped record carrier, for example a video plate, which is provided on one side or on both sides with a radiation-reflecting surface structure in the form of an information track consisting of blocks and pits on which a ref... | 02/12/1980 |
| 4186229 | Method of manufacturing base plates suitable for pressing records and plates manufactured by the same This invention relates to a method for manufacturing base plates suitable for being pressed into records. The method is characterized in that a core layer is formed by compressing fibrous material followed by a coating of a synthetic material.... | 01/29/1980 |
| 4137550 | Video disc with a dielectric layer formed from acetylene and nitrogen This invention relates to a video disc with a thin polymeric dielectric layer formed from acetylene and nitrogen in a glow discharge. The dielectric layer has improved age deterioration resistance and wear characteristics and can be prepared with low powe... | 01/30/1979 |
| 4129536 | Vinyl chloride based injection molding composition A vinyl chloride based injection molding composition comprises a vinyl chloride-propylene copolymer, a mercapto tin stabilizer, an acrylic processing aid and an ester wax lubricant. This composition has excellent flow characteristics and can form molded a... | 12/12/1978 |
| 4127872 | Novel amino siloxane lubricants Novel siloxane lubricants of the formula ##STR1## wherein R1 is methyl or (CH3)3 SiO--, R2 is methyl, R3 is ##STR2## WHEREIN R4 is methyl or --(CH2)n NH--CH... | 11/28/1978 |
| 4125668 | Lubricants comprising dialkanolamine derivatives An article of manufacture and a method are disclosed herein for improving lubricity and wear resistance of a given substrate by applying thereto a solution consisting essentially of a dialkanolamine and a halogenated hydrocarbon carrier. The composition h... | 11/14/1978 |
| 4125860 | Reproducer for an eraseable videodisc An apparatus optically reproduces FM electric signals from the recording medium recorded with said electric signals in the form of a change in refraction index. The apparatus is so constructed that a pair of laser beams are incident on the recording mediu... | 11/14/1978 |
| 4125654 | Information signal recording disc A phonograph or video disc comprises at least one unsaturated nitrile copolymer and has therein an unsaturated nitrile content of from 40 to 90 percent by weight, and the disc exhibits a Clash-Berg flex temperature of from 50° to 120° C, an absorbed imp... | 11/14/1978 |
| 4077052 | Video disc capacitive recording means with a conductive bilayer This invention relates to a capacitive recording means comprising a video disc with a thin conductive bilayer on the surface of the disc wherein the bilayer is a first layer of copper and a second layer of an alloy of nickel, chromium and iron which conta... | 02/28/1978 |
| 4077051 | Video disc with a conductive layer having an oxygen content gradient This invention pertains to a video disc having a conductive bilayer thereon of a copper layer and a nickel/chromium/iron alloy layer wherein the alloy layer contains oxygen which decreases in content from the copper-alloy interface to an alloy-dielectric ... | 02/28/1978 |
| 4072985 | Video disc with a dielectric layer formed from styrene and nitrogen This invention relates to a video disc with a thin polymeric dielectric layer formed from styrene and nitrogen. The dielectric layer has improved age deterioration resistance, wear characteristics and adhesion to a metal conductive layer.... | 02/07/1978 |
| 4057831 | Video record disc manufactured by a process involving chemical or sputter etching A mother for manufacturing long-playing video records is provided by (1) selectively exposing a photoresist disposed as the outer layer on a substrate comprising a disc-shaped plate, a thin layer of base material, e.g., an oxide of nitride, adhering to th... | 11/08/1977 |
| 4044379 | Method and apparatus for electromechanical recording of short wavelength modulation in a metal master An unheated cutting stylus is positioned with respect to a metal master in order to cut a groove having a quiescent groove depth less than one micrometer while relative motion is established between the cutting stylus and the metal master. The cutting sty... | 08/23/1977 |
| 4037253 | Pressure sensitive signal reproducing system for a videodisc A signal reproducing system particularly adapted to be used with a high frequency signal such as a video signal. In this system, a record medium formed with a guide groove having an uneven pattern formed on an inner wall thereof with projections of the un... | 07/19/1977 |
| 4037251 | Data carrier optically read out by transmission, and method of manufacturing said data carrier The present invention relates to the protection of relief impressions formed in order to store information on a data carrier which can be optically read out by transmission. The invention relates to a data carrier the relief impression in which is protect... | 07/19/1977 |
| 4020278 | Data carrier for optical read-out The present invention relates to data carriers intended for optical read out. The data carrier in accordance with the invention comprises: a first transparent material at the surface of which the information is recorded in the form of an embossed pattern;... | 04/26/1977 |
| 4018945 | Method of making a metallized video disc having an insulating layer thereon A polymeric film applied to a video disc by glow discharge techniques is treated with a subsequent glow discharge in air to improve wear properties.... | 04/19/1977 |
| 4004080 | Metal coating for video discs An improved metal coating for a video disc of a grooved polymer disc, a conductive metal coating thereon and a dielectric coating on said metal coating, wherein said metal coating comprises a film of a pseudoalloy composition of an alloy of nickel and chr... | 01/18/1977 |
| 3982066 | Metal coating for video discs An improved metal coating for a video disc of a grooved polymer disc, a conductive metal coating thereon and a dielectric coating on said metal coating comprising a trilayer film of a first layer of copper about 25-50 angstroms thick, a second layer about... | 09/21/1976 |
| 3968326 | Trapezoidal smooth grooves for video disc A method of forming a disc having an information recording groove of regular cross-sectional shape by forming a preliminary spiral groove of trapezoidal cross-section in a disc having a relatively flat surface, and then flowing an excess of viscous materi... | 07/06/1976 |
