Interfacing system for stream source device and display apparatus and interfacing method thereof

• US 20030131360A1
• Filed: 01/09/2003
• Published: 07/10/2003
• Est. Priority Date: 01/10/2002
• Status: Abandoned Application

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Cho, Nam Seok, Joung, Chul Yong
• Application Number:
  US10/338,751
• Publication Number:
  US 20030131360A1
• Time in Patent Office: Days
• US Class Current: 725/118
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04N 5/38 Transmitter circuitry for the transmission of television signals according to analogue transmission standards H04N5/14 takes precedence
• CPC Class Codes: H04N 5/66 Transforming electric information into light information scanning details H04N3/00
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources

Abstract

Disclosed are an interface system for stream source and display devices and an interfacing method thereof. The present invention includes a stream source device receiving analog/digital signals from external analog/digital equipments to generate a transmission packet stream corresponding to the analog/digital signal and transmitting the transmission packet stream by wireless and a display device receiving the transmission packet stream transmitted from the stream source device, the display device decoding the transmission packet stream to separate into a video signal and an audio signal to output respectively. Therefore, the present invention needs no additional cables to transmit various video, audio, and various control signals between the stream source and display devices, thereby enabling to overcome the problem of defiling the appearance of the cables exposed on the wall.

Claims

1. An interface system for a stream source device and a display device, comprising:

a stream source device receiving analog/digital signals from external analog/digital equipments to generate a transmission packet stream corresponding to the analog/digital signal and transmitting the transmission packet stream by wireless; and

a display device receiving the transmission packet stream transmitted from the stream source device 100, the display device decoding the transmission packet stream to separate into a video signal and an audio signal to output respectively.

2. The interface system of claim 1, the stream source device 100 comprising:

a transmission packet stream generating unit receiving a digital broad cast signal, a digital signal, or an analog signal to format into a form of a transmission packet stream to output selectively;

a transmission packet stream processing unit processing the transmission packet stream generated from the transmission packet stream generating unit;

a memory storing the transmission packet stream processed by the transmission packet stream processing unit;

a wireless transmitting/receiving unit reading to transmit the transmission packet stream stored in the memory by wireless; and

a central processing unit controlling a predetermined operation for transmitting the transmission packet stream and operations of. the respective units.

3. The interface system of claim 2, the transmission packet stream generating unit comprising:

a digital broadcast receiving unit receiving the digital broadcast signal from an external antenna to format into the form of the transmission packet stream to output;

a digital signal receiving unit receiving a transmission packet stream corresponding to digital video and audio signals from an external digital equipment;

an analog signal receiving unit receiving analog video and audio signals from an external analog equipment;

an encoder transforming the analog video and audio signals outputted from the analog signal receiving unit into the form of the transmission packet stream and

a multiplexer selectively switching the transmission packet streams outputted from the digital broadcast receiving unit, the digital signal receiving unit, and the encoder according to a control of the central processing unit to output to the transmission packet stream processing unit.

4. The interface system of claim 2, wherein the wireless transmitting/receiving unit receives a remote control signal transmitted by wireless according to a user'"'"'s operation of a remote controller and outputs the received remote control signal to the central processing unit to carry out a user-demanding predetermined operation.

5. The interface system of claim 2, wherein, if a remote control signal according to a user'"'"'s operation of a remote controller is a signal for controlling the stream source device, the wireless transmitting/receiving unit receives the remote control signal and receives a response signal corresponding to the remote control signal transmitted from the central processing unit to transmit.

6. The interface system of claim 5, wherein the central processing unit generates the response signal corresponding to the received remote control signal to transmit through the wireless transmitting/receiving unit.

7. The interface system of claim 1, the display device comprising:

a wireless transmitting/receiving unit receiving the transmission packet stream transmitted from the stream source device;

a memory storing the transmission packet stream received from the wireless transmitting/receiving unit;

a transmission packet stream processing unit processing the transmission packet stream stored in the memory;

a decoder decoding the transmission packet stream processed by the transmission packet stream processing unit to separate into a video signal and an audio signal;

a video processor processing to output the video signal separated by the decoder;

an audio processor processing to output the audio signal separated by the decoder; and

a central processing unit controlling a predetermined operation for receiving to process the transmission packet stream.

8. The interface system of claim 7, further comprising a remote control receiving unit receiving a remote control signal according to a user'"'"'s operation of a remote controller and outputting the received remote control signal to the central processing unit to carry out a user-demanding predetermined operation.

9. A stream source device comprising:

a transmission packet stream generating unit receiving a digital broad cast signal, a digital signal, or an analog signal to format into a form of a transmission packet stream to output selectively;

a transmission packet stream processing unit processing the transmission packet stream generated from the transmission packet stream generating unit;

a memory storing the transmission packet stream processed by the transmission packet stream processing unit;

a wireless transmitting/receiving unit reading to transmit the transmission packet stream stored in the memory by wireless; and

a central processing unit controlling a predetermined operation for transmitting the transmission packet stream and operations of the respective units.

10. The interface system of claim 9, the transmission packet stream generating unit comprising:

a digital broadcast receiving unit receiving the digital broadcast signal from an external antenna to format into the form of the transmission packet stream to output;

a digital signal receiving unit receiving a transmission packet stream corresponding to digital video and audio signals from an external digital equipment;

an analog signal receiving unit receiving analog video and audio signals from an external analog equipment;

an encoder transforming the analog video and audio signals outputted from the analog signal receiving unit into the form of the transmission packet stream; and

a multiplexer selectively switching the transmission packet streams outputted from the digital broadcast receiving unit, the digital signal receiving unit, and the encoder according to a control of the central processing unit to output to the transmission packet stream processing unit.

11. The interface system of claim 9, wherein the wireless transmitting/receiving unit receives a remote control signal transmitted by wireless according to a user'"'"'s operation of a remote controller and outputs the received remote control signal to the central processing unit to carry out a user-demanding predetermined operation.

12. The interface system of claim 11, wherein the central processing unit generates the response signal corresponding to the received remote control signal to transmit through the wireless transmitting/receiving unit.

13. A display device comprising:

a wireless transmitting/receiving unit receiving a transmission packet stream transmitted from a stream source device;

a memory storing the transmission packet stream received from the wireless transmitting/receiving unit;

a transmission packet stream processing unit processing the transmission packet stream stored in the memory;

a decoder decoding the transmission packet stream processed by the transmission packet stream processing unit to separate into a video signal and an audio signal;

a video processor processing to output the video signal separated by the decoder;

an audio processor processing to output the audio signal separated by the decoder; and

a central processing unit controlling a predetermined operation for receiving to process the transmission packet stream.

14. The interface system of claim 13, further comprising a remote control receiving unit receiving a remote control signal according to a user'"'"'s operation of a remote controller and outputting the received remote control signal to the central processing unit to carry out a user-demanding predetermined operation.

15. An interfacing method for stream source and display devices, comprising:

a judging step of judging whether a remote control signal inputted to the display device in accordance with a user'"'"'s remote controller operation is a signal for controlling an operation of the stream source device or the display device;

a performing step of having the display device carry out a corresponding operation according to the inputted remote control signal if the judging step judges that the remote control signal is the signal for controlling the operation of the display device;

a transmitting step of having the display device transmit the inputted remote control signal by wireless to the stream source device if the judging step judges that the remote control signal is the signal of controlling the operation of the stream source device; and

a step of having the stream source device receive the remote control signal transmitted by wireless to carry out a corresponding operation.

16. The method of claim 15, further comprising a step of having the stream source device carry out the operation according to the remote control signal transmitted by wireless and having the stream source device generate a response signal for informing that the remote control signal is normally received to transmit to the display device by wireless.