CN204904157U - Take PDVD's panel computer - Google Patents

Abstract

The utility model relates to a take PDVD's panel computer, it includes circuit board, casing, touch display screen, and touch display screen installs at the casing upper surface, and the circuit board is installed in the casing, is equipped with main control chip at the circuit board to lie in touch display screen's below, establish ultra -thin DVD player on the casing, and be equipped with the decoding circuit of DVD player on the circuit board. The utility model discloses add an ultra -thin DVD player on the basis of panel computer to adding at the circuit board and establishing the video decoding circuit of reading the dish, it becomes the new electronic product of realizing DVD video disc instant music to make it, and is equipped with and has trinity cassette and can discern the SDMMSMS card, and it can the output of HDMI high definition to have HDMI interface seat.

Description

A kind of panel computer with PDVD

Technical field

The utility model relates to panel computer technical field, is specifically related to a kind of panel computer that can realize the broadcasting of DVD video disc with PDVD.

Background technology

In life, should be very familiar for DVD, but for many friends liking travelling or often go on business, often wish in tourism, also can watch excellent film, to eliminate loneliness during the journey.Can the image of high-quality why not since digital walkman can allow the music of high-quality become ubiquitous? so portable DVD player has also just arisen at the historic moment.Portable DVD player briefly, in fact be exactly one by DVD player miniaturization, and itself and a LCDs are combined, is furnished with audio frequency apparatus, powered by dc-battery, compact, the electronic product that can carry with easily, had portable DVD player, user just can enjoy the enjoyment of seeing a film anywhere or anytime.But portable DVD player function singleness, can only realize DVD and play.

Now, panel computer also receives the favor of consumer, its portable mobile, and its volume as notebook computer is small and light, can shift its field of employment at any time, have mobile dirigibility than desktop computer.It has digital ink and handwriting recognition input function, and powerful pen inputs identification, speech recognition, gesture identification ability, and has movability.Its expansion uses the mode of PC, can use " finger ", panel computer operates, make it simple as the use of paper and pen.Also support virtual or external keyboard and mouse, the operation as common computer simultaneously.Panel computer has abundant software resource, open platform, and function is very powerful, but existing panel computer commercially can not realize DVD to be play.Inconvenient consumer this at DVD playing back video disc at any time.

Utility model content

In order to solve the problem, the utility model provides a kind of panel computer that can realize the broadcasting of DVD video disc with PDVD.

Concrete technical scheme is as follows:

A kind of panel computer with PDVD, it comprises wiring board, housing, touch display screen, touch display screen is arranged on housing upper surface, wiring board is arranged in housing, main control chip is provided with at wiring board, and be positioned at the below of touch display screen, housing is established ultra-thin DVD player, and is provided with the decoding circuit of DVD player in the circuit board.

The decoding circuit of described DVD player comprises video decoding circuit and audio decoding circuit, video decoding circuit connects video decoder chip by composite video interface, and be communicated with the main control chip of wiring board, DVD player sound signal is communicated with the commutation circuit that can realize DVD audio frequency and MID audio frequency and carry out switching, and commutation circuit is communicated with the main control chip of wiring board by audio decoder chip.

Described video decoder chip adopts TW9912 chip.

Described main control chip is provided with blue tooth interface (BTMODULE) and high definition video interface seat (HDMIPORT).

Described main control chip is provided with 3 unification card reader.

3 described unification card reader are SD/MMS/MS card reader.

The beneficial effects of the utility model: the utility model adds a ultra-thin DVD player on the basis of panel computer, and the video decoding circuit reading dish is added at wiring board, make it to become the new electronic product realizing DVD function of playing discs, and be provided with and can identify SD/MMS/MS card with three-in-one card seat, can HDMI high definition export with HDMI seat.

Accompanying drawing explanation

Fig. 1 is governor circuit module map of the present utility model;

Fig. 2 is the circuit diagram of video input of the present utility model;

Fig. 3 is DVD audio frequency of the present utility model and MID frequency switch circuit figure;

Fig. 4 is HDMI high definition output circuit figure of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:

First the abbreviation that this patent relates to is explained:

MID is, than net book more portative a kind of terminal larger than smart mobile phone screen;

PDVD is (ProgressiveDVD): the DVD video disc player of " lining by line scan " is the regeneration product of existing common DVD.It avoid common DVD machine interlace signal and export the distortion or defect that cause, thus obtain the effect surpassing film image quality.

As shown in Figure 1, a kind of panel computer with PDVD disclosed in the utility model, it comprises wiring board, housing, touch display screen, and touch display screen is arranged on housing upper surface, and wiring board is arranged in housing, and be positioned at the below of touch display screen, be provided with main control chip at wiring board, wherein main control chip adopts the PX2 chip of Rui Xin Microtronics A/S, its CPU frequency double-core Cortex-A9, frequency, up to 1.4GHz, has powerful image processing function and video decode function; Housing is established ultra-thin DVD player, and is provided with the decoding circuit of DVD player in the circuit board.

See Fig. 1-3, the decoding circuit of described DVD player comprises video decoding circuit and audio decoding circuit, video decoding circuit connects video decoder chip by composite video interface, and be communicated with the main control chip of wiring board, DVD player sound signal is communicated with the commutation circuit that can realize DVD audio frequency and MID audio frequency and carry out switching, and commutation circuit is communicated with the main control chip of wiring board by audio decoder chip.

Described video decoder chip adopts TW9912 chip.TW9912 is the NTSC/PAL/SECAM video decoder chip of a low-power consumption, and this chip also supports that Analog Component Video inputs.Video decoder decodes baseband analog CVBS or S-vision signal are to 8 digital 4:2:2YCbCr forms.Analog Component Video digitizing, to 8 YCbCr forms.Numeral exports supports interlaced scanning video standard BT.656 form.The component progressive when reception one inputs or converts progressive format to by the interlaced scanning video of inner counter interleaver engine, and it also can export BT.656 form line by line.TW9912 adopts analog-and digital-I/O power supply 3.3V supply voltage and 1.8V.Single 27MHz crystal needs all analog video signal standards of decoding.This chip comprises an AFE (analog front end) input source and selects, variable gain amplifier, analogue-to-digital converters, a y/c separation circuit, many standard colorss demoder (BGHIPAL standard, PALM, PAL prints, to print combination pal mode, NTSCM, TSC-system formula 4.43 and SECAM) and synchronizing circuit.Complete high-quality self-adaptation 4H minimizing intersection color to be separated with the comb filter Y/C of crossed brightness.Advanced synchronous processing circuit can produce the non-standard and feeble signal of stable picture.The output line of demoder locks its input.TW9912 also comprises electric circuit inspection and processes the signal of vertical blanking interval (VBI), comprises closed title and WSS.This sheet and process VBI data are exported and are read by host interface register.

See shown in Fig. 1 and Fig. 4, described main control chip is provided with blue tooth interface (BTMODULE) and high definition is looked

Frequently interface block (HDMIPORT).Described main control chip is provided with 3 unification card reader.

3 described unification card reader are SD/MMS/MS card reader.

The utility model not only with panel computer function and also can compatible PDVD function, SD/MMS/MS card can be identified with three-in-one card seat, can identify that HDMI high definition exports with HDMI seat.The front of fuselage is capacitive touch screen, a row is provided with function button below, long by first button machine start, by after the switch opens of back being placement DVD/VCD laser disc place, an application of DVD function is selected after start, then put into laser disc, after closing, machine just can identify laser disc content, so just can reach the function of portable DVD player.The left side of fuselage is DC jack/receiver J-Horner/USB/HDMI socket/three-in-one card seat socket respectively, USB flash disk/SD/MMS/MS card and high-definition signal can be identified, the utility model is with WIFI function in addition, can be wireless network, Android system can download various application, the ROM of RAM and 8G of 1G supports SD/MMS/MS exented memory, ensures the fluency that various application runs.The operation of DVD part adopts capacitive touch screen operation.

Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.

Claims (6)

1. the panel computer with PDVD, it comprises wiring board, housing, touch display screen, touch display screen is arranged on housing upper surface, wiring board is arranged in housing, main control chip is provided with at wiring board, and be positioned at the below of touch display screen, it is characterized in that: on housing, establish ultra-thin DVD player, and be provided with the decoding circuit of DVD player in the circuit board.

2. the panel computer of band PDVD according to claim 1, it is characterized in that: the decoding circuit of described DVD player comprises video decoding circuit and audio decoding circuit, video decoding circuit connects video decoder chip by composite video interface, and be communicated with the main control chip of wiring board, DVD player sound signal is communicated with the commutation circuit that can realize DVD audio frequency and MID audio frequency and carry out switching, and commutation circuit is communicated with the main control chip of wiring board by audio decoder chip.

3. the panel computer of band PDVD according to claim 2, is characterized in that: described video decoder chip adopts TW9912 chip.

4. the panel computer of band PDVD according to claim 2, is characterized in that: described main control chip is provided with blue tooth interface (BTMODULE) and high definition video interface seat (HDMIPORT).

5. the panel computer of band PDVD according to claim 1, is characterized in that: described main control chip is provided with 3 unification card reader.

6. the panel computer of band PDVD according to claim 5, is characterized in that: 3 described unification card reader are SD/MMS/MS card reader.