| Patent Number |
Title Of Patent |
Date Issued |
| 5623344 |
Digital video recording device with trick play capability |
April 22, 1997 |
| A digital video tape recorder ("VTR") that selects data useful for generating images during trick playback operation and records the data in trick play tape segments arranged on a tape to form fast scan tracks and multi-speed playback tracks. Each fast scan track comprises trick play |
| 5583650 |
Digital recording and playback device error correction methods and apparatus for use with trick |
December 10, 1996 |
| Methods of operating a digital video recording and playback device, such as a video tape recorder, to arrange trick play data into one or more groups, to generate error correction bits for each group of trick play data, e.g., a group of trick play data blocks, and to correct the data aft |
| 5576902 |
Method and apparatus directed to processing trick play video data to compensate for intentionall |
November 19, 1996 |
| Digital video tape recorder apparatus that generates commands to instruct a television receiver to perform special processing, e.g., processing designed to enhance image quality, on video data received from the digital video tape recorder during trick play operation is disclosed. The com |
| 5377051 |
Digital video recorder compatible receiver with trick play image enhancement |
December 27, 1994 |
| A video recorder compatible receiver for receiving video data from a video recorder such as a video tape recorder ("VTR"). The receiver includes an error concealment circuit, a digital VTR port adapted for coupling to a VTR and/or a tuner module. The receiver receives digital video data |
| 5155580 |
Side panel signal processor for a widescreen television system |
October 13, 1992 |
| In a television signal processing system of the type which encodes an auxiliary carrier modulated with auxiliary image information in line format, which carrier is placed within the spectral band of standard television signal components, and wherein the modulated auxiliary carrier te |
| 5128747 |
Television signal processing system for reducing diagonal image artifacts |
July 7, 1992 |
| Apparatus is disclosed for reducing unwanted jagged diagonal artifacts in a video signal. At an encoder, moving image information is intraframe averaged over a given frequency range, e.g., above 1.5 MHz, while still image information is subjected to a field repeat process over a given |
| 5070396 |
Compatible widescreen television system |
December 3, 1991 |
| In a widescreen signal encoding system for a television-type signal, side panel chrominance information is conveyed in double sideband form on an auxiliary subcarrier having a field inverting phase relative to the phase of a standard chrominance subcarrier. Side panel high frequency lumi |
| 4933765 |
Enhanced TV system using transmitted error signals |
June 12, 1990 |
| A television system for generating video signals for reception by a receiver having adaptive processing circuitry susceptible of errors includes circuitry for emulating portions of the receiver and detecting the occurrences of such errors. A signal representing the occurrences of the |
| 4888641 |
Extended definition widescreen television system using plural signal transmission channels |
December 19, 1989 |
| A system for transmitting and receiving signals representing a high-definition television (HDTV) image is disclosed. The signals are sent over two conventional 6 MHz NTSC channels. A first signal, the main signal, is developed by encoding circuitry from HDTV source signals to be comp |
| 4855824 |
Compatible television system with companding of auxiliary signal encoding information |
August 8, 1989 |
| An NTSC compatible, single channel widescreen EDTV system encodes and decodes a television signal comprising (1) a main, standard format NTSC signal wth auxiliary low frequency side panel image information compressed into an overscan region thereof; (2) auxiliary high frequency side pane |
| 4124867 |
Narrowed-electrode pickup stylus for video disc systems |
November 7, 1978 |
| A novel pickup stylus adapted for playing back prerecorded signals from a video disc has an arrowhead-shape cross-section in the region of its tip. The pickup stylus includes a dielectric support element which has a prow defining the apex of the arrowhead-shape cross-section and a substa |
