Decoder for digital information T.V. signal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4611227
SERIAL NO

06448986

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A television receiver is provided with a decoder (32) for decoding and displaying data which is included in a wide band video signal. In order to provide high resolution graphics, a processor (45) is connected to a data page store (41) of the decoder (32) and a program store (47). Instructions for the processor (45) are received `off air` and are stored in the store (41). The instructions are executed using programs stored in the store (47). A clock circuit (45a) is provided for the processor (45) to enable delays and other timed sequences to be introduced and a rounding circuit (46a) ensures as smooth an output display as possible. Data can additionally be received from another soce via a telephone line and selected for display in place of the `off air` data.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
INDEPENDENT BROADCASTING AUTHORITY70 BROMPTON ROAD LONDON SW3

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brockhurst, David M Winchester, GB 1 121
Day, Stephen Winchester, GB 38 602
Dyer, Martyn R Romsey, GB 1 121
Vivian, Roy H Andover, GB 1 121

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