Apparatus for connecting TV and computer

• US 7,320,136 B1
• Filed: 11/07/2000
• Issued: 01/15/2008
• Est. Priority Date: 11/08/1999
• Status: Expired

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yu, Won-Uk
• Primary Examiner(s): Lonsberry; Hunter B.
• Application Number:
  US09/706,792
• Time in Patent Office: 2,625 Days
• Field of Search: 725/74, 725/80, 348552-553
• US Class Current: 725/89
• CPC Class Codes: G06F 2203/0384 Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices
• CPC Class Codes: G06F 3/038 Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
• CPC Class Codes: G06F 3/1454 involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
• CPC Class Codes: G09G 2370/04 Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
• CPC Class Codes: G09G 2370/10 Use of a protocol of communication by packets in interfaces along the display data pipeline
• CPC Class Codes: G09G 2370/16 Use of wireless transmission of display information
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092
• CPC Class Codes: H04N 21/4113 PC
• CPC Class Codes: H04N 21/42203 sound input device, e.g. microphone
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805
• CPC Class Codes: H04N 21/4363 Adapting the video stream to a specific local network, e.g. a Bluetooth® network
• CPC Class Codes: H04N 21/43632 involving a wired protocol, e.g. IEEE 1394 high-speed IEEE 1394 serial bus H04L12/40052
• CPC Class Codes: H04N 21/478 Supplemental services, e.g. displaying phone caller identification, shopping application
• CPC Class Codes: H04N 7/14 Systems for two-way working H04N7/12, H04N7/173 take precedence

Abstract

An apparatus for connecting a computer and a TV is disclosed. The apparatus according to the present invention includes a TV coding unit for encoding various control signals such as a TV signal, etc. generated in a TV and generating a first packet signal, a computer coding unit for encoding a computer signal such as a video signal, audio signal and various control signals generated in a computer and generating a second packet signal, a TV transmission and receiving unit for receiving the first packet signal, transmitting the received first packet signal to the outside and receiving the second packet signal from the outside, a computer transmission and receiving unit for receiving the second packet signal, transmitting the received second packet signal to the outside and receiving the first packet signal from the outside, a TV decoding unit for receiving the second packet signal from the TV transmission and receiving unit, decoding the same and recovering into an original signal, a computer decoding unit for receiving the first packet signal from the computer transmission and receiving unit, decoding the received first packet signal and recovering into an original signal, and a transmission line connected between the TV transmission and receiving unit and the computer transmission and receiving unit for transmitting the first packet signal and the second packet signal.

Claims

1. An apparatus for connecting a TV (Television Set) and a computer, comprising:

a TV coding unit for encoding control signals including at least one of a mouse signal, a keyboard signal, a microphone signal and control signals for controlling a computer, which are generated in a TV and generating a first packet signal by using the encoded control signals;

a computer coding unit for encoding computer signals including at least one of a video signal, an audio signal and a control signal generated in the computer and generating a second packet signal by using the encoded computer signals;

a TV transmission and receiving unit, provided in the TV, for receiving the first packet signal from the TV coding unit, transmitting the received first packet signal to the computer and receiving the second packet signal from the computer;

a computer transmission and receiving unit, provided in the computer, for receiving the second packet signal from the computer coding unit, transmitting the received second packet signal to the TV and receiving the first packet signal from the TV;

a TV decoding unit, provided in the TV, for receiving the second packet signal from the TV transmission and receiving unit, decoding the received second packet signal and recovering the decoded second packet signal into the video signal, the audio signal and the control signal of the computer;

a computer decoding unit for receiving the first packet signal from the computer transmission and receiving unit, decoding the received first packet signal and recovering the decoded first packet signal into the mouse signal, the keyboard signal, the microphone signal and the control signals for controlling the computer; and

a transmission line connected between the TV transmission and receiving unit of the TV and the computer transmission and receiving unit of the computer for transmitting the first packet signal and the second packet signal.

2. The apparatus of claim 1, wherein said transmission line includes:

a first transmission line for transmitting the first packet signal from the TV transmission and receiving unit to the computer transmission and receiving unit; and

a second transmission line for transmitting the second packet signal from the computer transmission and receiving unit to the TV transmission and receiving unit.

3. A method, comprising:

generating, in a television, control signals including at least one of a mouse signal, a keyboard signal, a microphone signal and control signals for controlling a personal computer;

encoding, in the television, the generated control signals;

generating, in the television, a packet signal by using the encoded control signals;

sending the generated packet signal to a personal computer, receiving the generated packet signal sent from the television;

decoding the received signal for input into a circuit of the personal computer; and

performing the function of the personal computer according to the decoded signal.

4. The method of claim 3, wherein the generated packet signal output from the television is received along a wireless link.

5. The method of claim 3, wherein the generated packet signal output from a television circuit of the television is wirelessly transmitted to the personal computer.

8. The system of claim 5, wherein the communications link is a wireless link.

6. A system, comprising:

a first interface unit in a television; and

a second interface unit coupled to a personal computer,

wherein the first interface unit, in the television, generates control signals including at least one of a mouse signal, a keyboard signal, a microphone signal and control signals for controlling the personal computer, the first interface unit further encoding the generated control signals in the television and generating a first packet signal in the television by using the encoded control signals, and the first interface unit sending the first packet signal from the television to the personal computer over a communications link, the first packet signal controlling a function performed by the personal computer, and the second interface unit sends a second packet signal generated in the personal computer to the television over the communications link and the second packet signal includes at least one of a monitor display signal and a sound signal to be projected and to be played through the television.

7. The system of claim 6, wherein the control signals include microphone data.

9. A method for controlling a computer at the side of a TV (television set), comprising:

encoding control signals including at least one of a mouse signal, a keyboard signal, a microphone signal and control signals for controlling a computer, which are generated in a TV and generating a first packet signal by using the encoded control signals;

encoding computer signals including at least one of a PC monitor display signal, sound signals and control signals generated in the computer and generating a second packet signal by using the encoded computer signals;

receiving the first packet signal from the TV, transmitting the received first packet signal to the computer and receiving the second packet signal from the computer;

receiving the second packet signal from the computer, transmitting the received second packet signal to the TV and receiving the first packet signal from the TV;

decoding the received second packet signal and recovering the decoded second packet signal into the PC monitor display signal, the sound signals and the control signals of the computer; and

decoding the received first packet signal and recovering the decoded first packet signal into the control signal including the mouse signal, the keyboard signal, the microphone signal and the control signals for controlling the computer.