TW200824322A - Homeplug AV converter box and network system using the same - Google Patents

Abstract

A Homeplug AV converter box and a network system using the same are provided. The Homeplug AV converter box for an analog television (TV) connecting to a power line includes a first connecting portion, a decoding-encoding unit, and a second connecting portion. The first connecting portion is used for electronically connecting to the power line, wherein a digital signal is carried by the electric signal of the power line. The decoding-encoding unit is electronically connected to the first connecting portion for receiving the electric signal and converting the digital signal to an analog signal. The second connecting portion is electronically connected to the decoder and the analog TV, whereby the analog signal is input to the analog TV via the second connecting portion for playing the audio and video.

Description

200824322

w 三达编号:丁 W3195PA 九, invention description: [Technical field of the invention] The present invention relates to a video converter and a network system using the same, and particularly relates to a video and audio conversion with power line network function And the network system to which it is applied. , "η [Prior Art] In addition to receiving TV programs, today's TV sets can also be connected to various video and sound machine systems, such as video players and DVD players, through their video or audio input terminals. Image and sound Due to the development of the Internet, TVs combined with the Internet are attracting attention. Take the home network as an example. Although the development of the Internet is mature, it is a cathode ray tube (CRT) TV or a liquid crystal display (LCD) TV, except for the TV. Internet (Ethernet), otherwise you can't connect directly to the home network. Therefore, it is necessary to connect to the Internet or a personal computer through an external network conversion system. However, no matter which of the above methods is used to connect to the Internet, it is still necessary to arrange additional network routes indoors, which is very inconvenient for the user to install, and will also affect the indoor landscape layout. Therefore, the so-called "HomePlug", that is, Power Line Communication technology, has emerged as a result of transmitting digital signals through traditional power transmission lines and attaching digital signals to power signals. With the power line network deployment technology, users can easily access network resources without having to build any new lines. 6 200824322

Sanda number: TW3195PA In addition, you must use or use the ^ (4) ^ digital TV, box analog TV, such number (four) division video conversion to the TV to play. The computer can only use the image or sound data. [Invention] The present invention provides a converter and a network for the application of the power line network function with the power line network function, and connects the network special =, the video converter is installed in Analog TV power transmission line: = circuit line network, through the layout of the wall, can connect the wide TV to the network through the power transmission line. In this way, the computer converts and decodes, and the 'digital audio and video is transmitted to the video converter to connect the digital-to-analog conversion ^ over the network route or external video on the analog TV. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,逵;& however - moth than contempt, the audio-visual converter includes the third, second, and decoding units. — π Connected to the power transmission line, this power transmission female connection 邰 can be connected to the code code early connection 第一 first connection for the Asian power supply system (four) (four) force, bh ^ ° 琉 decoding and coding to convert into a class two The connection unit is connected to the deciphering unit and the class view. In this case, the analog TV can be played through the second connection unit.丨 收 收 类 类 类 就 就 就 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本

Sanda number: TW3195PA network bridge, power transmission line, analog TV and audio and video converter with circuit line network function. The host computer can transmit digital signals. The power line network bridge is connected to the host computer and the power transmission line for attaching the digital signal to the power signal and loading the power transmission line. A video converter having a circuit line network function is connected to an analog television, and the video converter includes a first connection unit, a second connection unit, and a decoding coding unit. The first connection portion can be connected to a power transmission line carrying a power signal to which a digital signal is attached. The decoding coding unit is coupled to the first connection portion to receive the power signal, and decodes and encodes the digital signal attached to the power signal to be converted into an analog signal. The second connection unit connects the decoding coding unit and the analog television, whereby the analog television can receive the analog signal through the second connection unit for video and audio playback. In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following description of the preferred embodiments and the accompanying drawings will be described in detail as follows: [Embodiment] Please refer to Figures 1 to 2, 1 is a schematic diagram of a network system according to a preferred embodiment of the present invention, and FIG. 2 is a block diagram of a component connection of the network system of FIG. 1. As shown in Fig. 1, the network system 1 includes a host computer 10, a power line network bridge 11, an analog television 12, and a video converter 13. The power line network bridge 11 is electrically connected to the host computer 10 and can receive digital signals transmitted by the host computer 10. The power line network bridge 11 can externally connect to the power transmission line 14 to convert and load the digital signal S1 into the power transmission line 14. The video converter 13 of the present invention is electrically connected to the analog television 12, such as 8 200824322 Sanda number: TW3195PA. FIG. 2 shows the audio-video converter 13 including the coding unit 16 and the first connection.卩 15, decoding 〆, Le Yi 逑 interface p 17. The first connection part of the 15th transmission line 14, the electric power wheel record & j &, the turtle power transmission line 14 is connected with a connection portion 15 with a digital signal and can be electrically connected to the analog TV η, by: Code = see two can receive power through the power transmission line 14. Decoding and connecting the first connection unit 15 to receive the power signal, and decoding and encoding the digital signal attached to the r/number to be converted into the second-type connection unit 17, and electrically connected to the decoding coding unit 16 and Class 1 2 12', whereby the analog TV 12 can receive the "Babi k number through the second connection portion 17 for video and audio playback. 1 g solid, the power line network bridge 11 is connected by the power line #20 In the power transmission line 14, the computer host 1 is connected to the power line network bridge 11 by the transfer line 22. The video cassette 13 of the present invention is connected to the power transmission network 4 by the power line 19 and the socket 21. 10 includes, for example, an Ethernet card and the replacement of the 'Langu L power line network bridge U can be used for Homeplug to switch to the second wind to convert the network signal of Lishui into a power signal to load the power transmission line. 14. In the structure of the inventive video converter 13, please refer to Fig. 3, which is a schematic diagram of the video converter of Fig. 1. As shown in Fig. 3, the first connecting portion 15 of the video converter 13 is shown. The system includes a power input terminal 23 and a power output terminal 24. Source input terminal 23 to an external power transmission path 14, and transmitted to the decoding coding wheel power signal ant power output unit 16. The arm is the pen of a source input terminal 23 is electrically connected to the power supply output terminals 249,200,824,322

_3·· TW3195PA can be electrically connected to the analog TV 12 so that the analog TV can receive power through the power transmission line 14. The second connecting portion 17 preferably includes a composite video terminal and an s image (s_vide) terminal 25. The composite terminal includes an image terminal 26 (audi0_visual, Av) and at least a sound terminal 27. The sound terminal 27 may include a left channel terminal (1) a food right channel terminal (8). The S video terminal 25, the image terminal %, and the sound terminal 27 are used to transmit analog signals such as sound and video to the analog television η. The decoding and encoding unit 16 of the video converter 13 (see FIG. 2) is exemplified by a dynamic image compression decoding pool (m〇ving coffee (four) group, MPEG), which can be used for ΜΡΕ (Μ, MpEG 2, MpEG 4, WMA and WMB and other M-formats; ^ file execution conversion. As shown in the 1st to 2 ® 'When (four) people want to transfer audio and video data from the host computer to the analog TV 12 for playback, the host computer 10 will affect The digital signal of the material is sent out. After the power line network bridge receives the digital signal, it will first convert the digital signal into a low-power power number and then load the low-power power signal into the power transmission line. Up to the j waveform, the power signal is transmitted by the power transmission line 14 to the power wheel terminal 23 of the tone Hit13 (see Fig. 3). The usual image 13 further includes a filter (not shown) for The digital signal carried by the power signal is filtered for transmission to the decoding and encoding unit 16, and the 'TV power output terminal 24 (see Fig. 3) transfers the power to analogy for "additional" when the decoding coding unit 13 receives the digital After the signal is turned to the second rate of the power signal, This power signal will be first restored to the digital 4 ′ and then the data buffer access operation, and then read the data and enter 200824322

Three_: TW3195PA line format conversion to convert digital signals into analog signals. Finally, an analog signal is output from the composite terminal to the S-video terminal 27 (see Figure 3) to the analog television 12. Of course, 'in practical use' network system! The system can include several computer hosts and the same number of power line network bridges, and a regional transmission network 14 can form a regional network. Network system} such as η a home network system, if you match the number of TVs in your home, etc. = with the same number of audio and video converters, you can perform analog TV with any two or two Thai brain hosts without restrictions (4) Yin Yi. Since it has its own power system, it can be self-contained into a small network. In addition, since each household's power system is independent, each home cannot use the same Homeplug converter box as the medium of the network. However, each household and each household can still form a regional network system through the wireless network (Wlan/. Compared with the traditional home network network structure, the power is hidden in the wall. The transmission line allows the user to install the cable without additional wiring. The user does not have to worry about the wiring problem. The powerful green network function is applied to the analog TV and matched with the = line user. It is possible to directly rotate the digits on the personal computer = analog to analog TV, and the audio-visual converter directly supports the analog TV for playback. The user does not (4) (4) build the network (4) video camera or add == network conversion system, such as machine The above-mentioned audio-visual converter and network system of the above-mentioned embodiments of the present invention (such as Na Na et al.) are used by a video converter having a decoding coding unit.

Sanda number: TW3195PA is a general analog TV that connects each household's own power system to the Ethernet network. The user transmits the audio and video digital data to the audio and video converter connected to the analog TV through the power line of the power transmission line on the personal computer side, decodes and encodes the data through the audio and video converter, and then converts the data to the analog television. Play. In view of the above, the present invention has been disclosed in a preferred embodiment, and is not intended to limit the present invention. Those skilled in the art having the knowledge of the present invention can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. 12 200824322

No. 3: TW3195PA [Simple Description of the Drawings] FIG. 1 is a schematic diagram of a network system in accordance with a preferred embodiment of the present invention. Figure 2 is a block diagram showing the components of the network connection of Figure 1. Fig. 3 is a schematic view showing the video converter of Fig. 1. [Description of main component symbols] φ 1 : Network system 10 : Computer host 11 : Power line network bridge 12 : Analog TV 13 : Video converter 14 : Power transmission line: First connection unit 16: Decoding coding unit 10 17 : Second connection portion 18, 19: power supply line 20, 21: socket 22: network route 23: power input terminal 24: power output terminal 25: S image terminal 20: image terminal 27: sound terminal 13

Claims (1)

200824322 Sanda number: TW3195PA X. Patent application scope: 1. A video and audio converter with circuit line network function, applied to an analog TV connected to a power transmission line, the video converter includes: a connection portion for connecting the power transmission line, the power transmission line carrying a power signal with a digital signal attached thereto; a decoding coding unit electrically connecting the first connection portion to receive the power signal 'and the power The signal-attached digital signal is decoded and encoded to be converted into an analog signal; and a second connection is electrically connected to the decoding and coding unit and the analog television, and the analog television can receive the analog signal through the second connection. Perform audio and video playback. The video converter of claim 1, wherein the analog television is electrically connected to the first connection to receive power through the power transmission line. 3. The video converter as claimed in claim 2, wherein the first connection portion comprises: a power supply wheel terminal for externally connecting the power transmission line and transmitting a power signal to the decoding coding unit; A power output terminal electrically connecting the power input terminal to the analog television, whereby the analog television can receive power through the power transmission circuit. 4. The video converter according to claim 1, wherein the decoding and coding unit comprises a dynamic image compression decoding module (moving 200824322 ★ Sanda number: TW3195PA picture experts group, MPEG) 〇 5 · application The video converter of claim 1, wherein the analog signal system comprises a sound signal. 6. The video converter of claim 1, wherein the analog signal system comprises an image signal. 7. The video converter of claim 1, wherein the second connection comprises a composite (com|> site video) terminal. 8. The video converter of claim 7, wherein the composite terminal comprises at least one audio terminal and an audio-visual (AV) terminal. 9. The video converter of claim 1, wherein the second connection portion comprises an S-video terminal. 10. The video converter of claim 1, wherein the network system is a home network system. 11· A network system, comprising at least: 10 a computer host 'transmits a digital letter', a power line network bridge electrically connected to the computer host and a power transmission line for attaching the digital signal to a power signal is loaded into the power transmission line; an analog television; and a video converter is electrically connected to the analog television, and includes: a first connection portion connectable to the power transmission line, the power transmission line There is a power signal with a digital signal attached thereto; a decoupling coding unit is electrically connected to the first connection portion to receive the power signal by 15 200824322 Sanda number: TW3195PA, and convert the digital signal attached to the power signal into Analog signal; and,,, /,, flat-second connection, electrically connected to the decoding (4) The analog TV, the analog TV has read the second connection: No. 2 for video and audio playback.螭 ^ ^ ^ ! _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ In the network system described in item 12 of the patent scope of the application, the first connection portion includes ..., ... = power input terminal, which is connected to the power transmission line, and transmits "彳5 To the decoding and coding unit; and to the electric power (four) sub-electrical connection of the power wheel human terminal and the type of force ^ ' straw, the analog television can receive the electric poetry through the power transmission line. The network system of claim 11, wherein the ~=compilation unit comprises a dynamic image compression decoding module. 5. The network system as described in claim U, the two signal systems of the bean include A voice signal, as in the network system of claim 11, wherein the analog signal system comprises an image signal. 1 7 4frt s as described in claim 11 of the network system, Wherein the connection part includes a composite (c〇mp〇sjte video) terminal. • The network system according to claim 17 of the patent application, wherein 200824322 Sanda number: TW3195PA The composite terminal includes at least one sound (audio) Terminal and The audio-visual (AV) terminal. The network system of claim 11, wherein the second connection portion comprises an S-video terminal. The network system of item 11, wherein the network system is a home network system. 17