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| Number | Title | Issue Date |
| 5446747 | Error-correction coding method with at least two systematic convolutional codings in parallel, corresponding iterative decoding method, decoding module and decoder An error-correction method for the coding of source digital data elements to be transmitted or broadcast, notably in the presence of high transmission noise, the method comprising at least two independent steps of systematic convolutional coding, each of ... | 08/29/1995 |
| 5311308 | Method and device for encoding-decoding a narrow band high definition digital television signal A method and device are provided for encoding-decoding an HD digital television signal into a narrow band encoded signal. The HD digital television signal is representative of high definition images sampled at a frequency f1, and the narrow band encoded s... | 05/10/1994 |
| 5235415 | Device for the intelligible consultation of data relating to the fees programs of a subscription television and/or radio service A device for allowing fee paying subscribers access to television or radio programs includes a keyboard unit for requesting messages concerning the programs. Information describing the program fees and account status is contained in a subscriber held secu... | 08/10/1993 |
| 5228025 | Method for the broadcasting of digital data, notably for radio broadcasting at a high bit-rate towards mobile receivers, with time-frequency interlacing and assistance in the acquisition of automatic frequency control, and corresponding receiver A method for the broadcasting of digital data, in channels to which multiple paths are assigned, the characteristics of which vary in time, with time-frequency interlacing and assistance in the acquisition of the automatic frequency control. This method i... | 07/13/1993 |
| 5220421 | Multichannel encoding method In a multichannel encoding method for encoding digitized pictures, in particular digitized stereoscopic television pictures, the digitized pictures are processed in different channels comprising at least a movement estimation channel to provide digitized ... | 06/15/1993 |
| 5196933 | Encoding and transmission method with at least two levels of quality of digital pictures belonging to a sequence of pictures, and corresponding devices An encoding and transmission method with at least two levels of quality of digital pictures, each digital picture being formed by at least one matrix of encoded picture elements, wherein each of the pictures is cut up into blocks of picture elements, a re... | 03/23/1993 |
| 5041908 | Throughput regulation method for data for assistance in the reconstruction of sub-sampled moving electronic images A method for the regulation of the throughput of assistance data is provided. The assistance date assists in the reconstruction of subsampled moving electronic images. The method is particularly useful for HDTV transmission by a HMAC channel. For each ele... | 08/20/1991 |
