Digital wireless transmitter and system thereof
AssigneeITE Tech. Inc.
InventorsChien-Fa Wang, Yu-Min Lee
Life of this patent
Estimating the term…
Abstract
A digital wireless transmitter is disclosed. The digital wireless transmitter includes an interface, used to receive an audio signal and/or a video signal, the digital wireless transmitter is pluggable into an electronic device via the interface; a digital modulator, coupled to the interface, the digital modulator is used to modulate the audio signal and/or the video signal into a digital television signal; and a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band.
Claims8
A digital wireless transmitter, comprising:
- an interface, used to receive an audio signal and/or a video signal, the digital wireless transmitter is pluggable into an electronic device via the interface;
- a digital modulator, coupled to the interface, the digital modulator is used to modulate the audio signal and/or the video signal into a digital television signal;
- and
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band.
A digital wireless transmitter pluggable into an electronic device, comprising:
- an audio interface, used to receive an audio signal;
- a video interface, used to receive a video signal;
- an audio encoder, coupled to the audio interface, the audio encoder is used to encode the audio signal and generate a encoded audio signal;
- a video encoder, coupled to the video interface, the video encoder is used to encode the video signal and generate a encoded video signal;
- a multiplexer, coupled to the audio encoder and the video encoder, the multiplexer is used to merge the encoded audio signal and the encoded video signal and generate a multiplexed signal;
- a digital modulator, coupled to the multiplexer, the digital modulator is used to modulate the multiplexed signal into a digital television signal;
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band;
- and
- an antenna, coupled to the RF front end circuit, the antenna is used to radiate the RF signal on the predetermined band.
A digital wireless system, comprising:
- an audio/video source, used to provide an audio signal and a video signal;
- a digital wireless transmitter, comprising:
- an interface, used to receive the audio signal and the video signal, the digital wireless transmitter is pluggable into the audio/video source via the interface;
- a digital modulator, coupled to the interface, the digital modulator is used to modulate the audio signal and the video signal into a digital television signal;
- and
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band;
- and
- a digital television set, used to receive the RF signal on the predetermined band.
A digital wireless system, comprising:
- an audio/video source, used to provide an audio signal and a video signal;
- a digital wireless transmitter, pluggable into the audio/video source, comprising:
- an audio interface, used to receive the audio signal;
- a video interface, used to receive the video signal;
- an audio encoder, coupled to the audio interface, the audio encoder is used to encode the audio signal and generate a encoded audio signal;
- a video encoder, coupled to the video interface, the video encoder is used to encode the video signal and generate a encoded video signal;
- a multiplexer, coupled to the audio encoder and the video encoder, the multiplexer is used to merge the encoded audio signal and the encoded video signal and generate a multiplexed signal;
- a digital modulator, coupled to the multiplexer, the digital modulator is used to modulate the multiplexed signal into a digital television signal;
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band;
- and
- an antenna, coupled to the RF front end circuit, the antenna is used to radiate the RF signal on the predetermined band;
- and
- a digital television set, used to receive the RF signal on the predetermined band.
A digital wireless transmitter, comprising:
- an interface, used to receive an analog audio signal and/or an analog video signal, the digital wireless transmitter is pluggable into an electronic device via the interface;
- a analog-to-digital converter, coupled to the interface, the analog-to-digital converter is used to convert the analog audio signal and/or the analog video signal to a digital audio signal and/or a digital video signal;
- a encoder, coupled to the analog-to-digital converter, the encoder is used to encode the digital audio signal and/or the digital video signal to an encoded audio signal and/or an encoded video signal;
- a digital modulator, coupled to the encoder, the digital modulator is used to modulate the encoded audio signal and the encoded video, signal into a digital television signal;
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band;
- and
- an antenna, coupled to the RF front end circuit, the antenna is used to radiate the RF signal on the predetermined band.
A digital wireless transmitter, comprising:
- an audio/video source, used to provide an audio signal and a video signal;
- and
- a digital wireless transmission element, coupled to the audio/video source, comprising:
- a digital modulator, used to receive and modulate the audio signal and the video signal into a digital television signal;
- and
- a RF front end circuit, coupled to the digital modulator, the RF front end circuit is used to transform the digital television signal to a RF signal on a predetermined band;
- and
- an antenna, coupled to the RF front end circuit, the antenna is used to radiate the RF signal on the predetermined band.
Dependencies are inferred from the claim text.