Portable television-broadcast reception unit,...

Television – Receiver circuitry

Reexamination Certificate

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Details

C455S556100

Reexamination Certificate

active

07978269

ABSTRACT:
A portable television-broadcast reception unit is provided which is capable of changing the direction of a directional antenna easily to a direction where an enough quality to watch television can be obtained. In this unit: a television-broadcast reception section20receives a broadcast wave using a directional antenna10; a direction measurement section60measures the direction of the directional antenna10; an electric-field strength measurement section70measures the electric-field strength value of the received broadcast wave; a storage section30stores an electric-field strength management table which includes the direction measured by the direction measurement section60and the electric-field strength value measured by the electric-field strength measurement section70; a control section40controls the measurement of the direction and the measurement of the electric-field strength, updates the electric-field strength management table and selects the direction where the maximum electric-field strength value can be obtained; an image-turn processing section80turns the received image so that the upper part of the image is oriented to the direction where the maximum electric-field strength value can be obtained; and a display section50displays the turned image.

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“Mechanism of a mobile phone which enables a user to watch terrestrial digital broadcasting”, Nikkei Network, Aug. 2004, pp. 100-105 (along with English Abstract).

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