87results about "Automatic frequency band scanning" patented technology

In accordance with an embodiment, a method includes determining an amplitude of an input signal provided by a capacitive signal source, compressing the input signal in an analog domain to form a compressed analog signal based on the determined amplitude, converting the compressed analog signal to a compressed digital signal, and decompressing the digital signal in a digital domain to form a decompressed digital signal. In an embodiment, compressing the analog signal includes adjusting a first gain of an amplifier coupled to the capacitive signal source, and decompressing the digital signal comprises adjusting a second gain of a digital processing block.

A broadcast receiving device comprising: a memory unit for storing a receivable channel information; a determination-information acquiring unit for acquiring determination information to identify a predetermined transmission condition of the transmission path; a determining unit for determining whether the transmission condition has varied, based on the determination information acquired by the determination-information acquiring unit; a detecting unit for detecting a channel of broadcasting signals which are receivable, by conducting an automatic scanning when the determining unit determines that the transmission condition of the transmission path has varied; and a renewing unit for renewing the channel information stored in the channel memory unit, based on a detected result obtained by the detecting unit.

A broadcast module includes a receiver for selecting the signal of a specific channel from the signals of a plurality of channels under control of a controller; a demodulator connected to the output of the receiver; a detector for detecting the signal-to-noise ratio of the signal selected by the receiver; and a comparator for comparing the signal-to-noise ratio detected by the detector with a predetermined level. The broadcast module can reduce the time required to specify a viewable channel.

A system and method to efficiently use a plurality of ‘receivers’ to monitor a larger plurality of ‘sources’ for audio content. Upon identifying that a source is active, one of the plural receivers is assigned to convey the content to a destination. All other receivers are prevented from monitoring that specific source for the duration of its activity, but continue to monitor the remaining sources. ‘Source’ includes any source of information containing audio content. ‘Receiver’ includes any device capable of selectively conveying such content, including physical switches, hardware or software multiplexers, microphones, radio receivers, or any other means of obtaining such content.

A digital / analog TV receiver is provided comprising a broadcasting signal receiver for receiving broadcasting signals of both ground wave and cable wave, a main controller which carries out the process of full-range scanning including a transmission route examining step of automatically specifying the transmission route of a broadcasting signal and a channel examining step of automatically specifying the channel of the broadcasting signal received from the transmission route, and a memory for holding a channel map where the channel of each broadcasting signal is stored. The main controller can carry out the transmission route examining step to check the receipt of the ground wave broadcasting signal of a digital form by the broadcasting signal receiver and automatically examine from the result of the checking whether the broadcasting signal is received from the ground wave transmission route or the cable wave transmission route. Also, the main controller can check the receipt of the broadcasting signal from the transmission route by the broadcasting signal receiver and automatically specify from the result of the checking the channel of the broadcasting signal received from the transmission route. The channel of the broadcasting signal is then stored into the channel map of the memory by the main controller.