CN202085221U - Mobile phone capable of serving as television card - Google Patents
Mobile phone capable of serving as television card Download PDFInfo
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- CN202085221U CN202085221U CN2011200255500U CN201120025550U CN202085221U CN 202085221 U CN202085221 U CN 202085221U CN 2011200255500 U CN2011200255500 U CN 2011200255500U CN 201120025550 U CN201120025550 U CN 201120025550U CN 202085221 U CN202085221 U CN 202085221U
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Abstract
The utility model discloses a mobile phone capable of serving as a television card. The mobile phone comprises a main board, a shell body, a micro-processing controller, a radio frequency module and a display screen. The mobile phone also comprises a television signal conversion module and an input/output interface, wherein the television signal conversion module and the input/output interface are both arranged on the main board, one end of the television signal conversion module is connected with the micro-processing controller, and the other end of the television signal conversion module is connected with the input/output interface. The mobile phone can realize the function that a user can watch TV by utilizing a computer and can also realize the function that the user can open the television card by directly utilizing the options in a mobile phone interface after an outside interface is connected with the computer without the need of opening a computer case, therefore, the use, the maintenance and the exchange of the television card are more convenient; in addition, for the mobile phone, the user does not need to purchase the television card additionally, therefore, the using cost is saved.
Description
Technical field
The utility model relates to the telecommunications field, relates in particular to a kind of mobile phone that can be used as TV card.
Background technology
TV card, be called Digital Television computer card (Digital TV PCI card) again, as the term suggests be exactly by the personal computer TV, it converts anolog TV signals to calculate function identification digital signal by built-in A/D conversion chip, after handling television image is presented on the computer display.
TV card of the prior art need be opened computer host box, is inserted in the PCI slot of computer motherboard.Disclose a kind of TV card as China Intellectual Property Office on December 20th, 2006, its publication number is CN 2850162.This TV card is installed on the PC, comprises the tuner unit that carries out channel selection, is subjected to the Combined Processing unit, infrared remote control processing unit of PC control, the analog audio-video conversion of signals is become the analog audio-video input interface of digital signal.It also comprises the telephone signal input, links to each other with the telephone signal input and incoming information is carried out the caller identification chip and the single-chip microcomputer signal processing circuit of frequency shift keying modulation or dual-tone multifrequency decoding, PC is connected on the Combined Processing unit by a pci interface, and the Combined Processing unit links to each other with the single-chip microcomputer signal processing circuit and handles to handle the corresponding phone signal and to export on the PC.When this utility model is used, must open computer housing, this TV card is inserted in the PCI slot of computer motherboard, use very inconvenient, need repairing or when changing as damage, still need to open computer cabinet, not only cumbersome and easily miscellaneous part in the cabinet is caused damage and influence, be unfavorable for prolonging useful life of computer.
The utility model content
The purpose of this utility model provides a kind of mobile phone that can be used as TV card easy to install.
The mobile phone that can be used as TV card provided by the utility model comprises mainboard, housing, microprocessor controller (1), radio-frequency module (2), display screen (3); Also comprise TV signal modular converter (4) and input/output interface (5), described TV signal modular converter (4) and described input/output interface (5) all are arranged on the mainboard, and described TV signal modular converter (4) one ends are connected with described microprocessor controller (1) and the other end is connected with described input/output interface (5).
Described TV signal modular converter (4) comprises frequency changer circuit (41) and decoding circuit (42), the input of described frequency changer circuit (41) is connected with described microprocessor controller (1) circuit, the output of described frequency changer circuit (41) is connected with the inlet circuit of described decoding circuit (42), and the output of described decoding circuit (42) is connected with described input/output interface (5) circuit.Described frequency changer circuit (41) comprises the low noise frequency converter (411) and the following frequency demultiplier (412) of circuit connection successively.Described decoding circuit (42) comprises decoding unit (421), AD conversion unit (422), luminance contrast regulon (423) and comb filtering unit (424), described decoding unit (421) all is connected with the input of described AD conversion unit (422) with described luminance contrast regulon (423); The output of described AD conversion unit (422) is connected with the input of described comb filtering unit; The output of described comb filtering unit (424) is connected on the described input/output interface (5).
Described microprocessor controller (1) is provided with control command output port (12), and the control end of described TV signal modular converter (4) is connected with described control command output port (12).Described interrupt interface is to be set to high level to trigger the GPIO interface (11) that interrupts.Described USB interface is provided with power end (51), earth terminal (54), first data terminal (52) and second data terminal (53); Described power end (51) is connected with described GPIO interface (11) after connecting a pull-up resistor R, and described first data terminal (52) is connected with described first data terminal (52) and described second data terminal (53) with described second data terminal (53).
The mobile phone that can be used as TV card provided by the utility model, not only can realize utilizing the function of computer TV, also need not to open computer cabinet, directly utilize external interface to be connected with computer, the user can directly utilize the option in the mobile phone interface to open the TV card function, and it is all convenient more to use, keep in repair and change.In addition, mobile phone provided by the utility model, its user need not extra purchase TV card again, has saved use cost.
Description of drawings
Fig. 1 can be used as the mobile phone circuit structural representation of TV card for the utility model;
Fig. 2 is the utility model embodiment described TV signal modular converter structure and connection diagram;
Fig. 3 is the structure and the connection diagram of the described frequency changer circuit of the utility model embodiment;
Fig. 4 is the structure and the connection diagram of the described decoding circuit of the utility model embodiment;
Fig. 5 is the structure and the connection diagram of the described input/output interface of present embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills make the every other embodiment that is obtained under the creative work prerequisite not doing, and all belong to the scope of the utility model protection.
As shown in Figure 1, present embodiment provides a kind of mobile phone that can be used as TV card, comprises mainboard, housing, microprocessor controller 1, radio-frequency module 2, display screen 3; It is characterized in that: also comprise TV signal modular converter 4 and input/output interface 5, described TV signal modular converter 4 and described input/output interface 5 all are arranged on the mainboard, and described TV signal modular converter 4 one ends are connected with described microprocessor controller 1 and the other end is connected with described input/output interface 5.Described input/output interface 5 is used for described mobile phone is connected with the display chip 6 of computer.
As shown in Figure 2, described TV signal modular converter 4 comprises frequency changer circuit 41 and decoding circuit 42, the input of described frequency changer circuit 41 is connected with described microprocessor controller 1 circuit, the output of described frequency changer circuit 41 is connected with the inlet circuit of described decoding circuit 42, and the output of described decoding circuit 42 is connected with described input/output interface 5 circuit.
As shown in Figure 3, described frequency changer circuit 41 comprises the low noise frequency converter 411 and the following frequency demultiplier 412 of circuit connection successively, and described low noise frequency converter 411 is used for the TV signal of the 4GHz of feed output is amplified; Described frequency demultiplier is used for the high-frequency signal of described low noise frequency converter 411 outputs is reduced to 950 to 2150MHz intermediate-freuqncy signal.
Further, also comprise the radome that is arranged on the mainboard, described radome is rolled in described frequency changer circuit 41 outsides.It will be understood by those skilled in the art that described frequency changer circuit 41 is subjected to electromagnetic interference easily, described radome is used for shield electromagnetic interference.
As shown in Figure 4, described decoding circuit 42 comprises decoding unit 421, AD conversion unit 422, luminance contrast regulon 423 and comb filtering unit 424, described decoding unit 421 all is connected with the input of described AD conversion unit 422 with described luminance contrast regulon 423; The output of described AD conversion unit 422 is connected with the input of described comb filtering unit; The output of described comb filtering unit 424 is connected on the described input/output interface 5.It will be appreciated by those skilled in the art that, the TV signal that receives is process encoded signals form, described decoding unit 421 is decoded the signal format of receiving, 423 pairs of signals of receiving of described luminance contrast regulon carry out brightness and the adjusting to comparing, secam television signal as China is PAL-D, described decoding unit 421 is with the signal decoding of described PAL-D form, described luminance contrast regulon 423 is regulated the signal of PAL-D form simultaneously, thereby obtains the rgb format signal.It will be appreciated by those skilled in the art that, in the colour TV signal, being responsible for the CHROMA carrier chrominance signal of color is integrated with in the Y-signal with the frequency of 3.5MHz, form composite signal, described comb filtering unit 424 is used for this composite signal is separated, pure with the color that guarantees the TV demonstration, picture effect is better.
As shown in Figure 5, described microprocessor controller 1 is provided with control command output port 12, and the control end of described TV signal modular converter 4 is connected with described control command output port 12.Like this, described microprocessor controller 1 is by described control command output port 12 mutually described TV signal modular converter 4 sending controling instructions.
Described input/output interface 5 is a USB interface.
Described microprocessor controller 1 is provided with interrupt interface, and described USB interface is connected with described interrupt interface circuit.
Described interrupt interface is to be set to high level to trigger the GPIO interface 11 that interrupts.
As shown in Figure 5, described USB interface is provided with power end 51, earth terminal 54, first data terminal 52 and second data terminal 53; Be connected with described GPIO interface 11 after described power end 51 connects a pull-up resistor R, described first data terminal 52 is connected with described first data terminal 52 and described second data terminal 53 with described second data terminal 53.
It will be appreciated by those skilled in the art that, when this mobile phone is connected with computer by USB interface, produce voltage on the described power end 51, and by pull-up resistor generation high level interrupt signal, described microprocessor controller 1 entered interruption after described GPIO interface 11 was received this high level interrupt signal, and then pass through its control command output port 12 to described TV signal modular converter 4 sending controling instructions, control TV signal modular converter 4 is started working, and the digital television signal of output is sent to the display chip 6 of computer by first data terminal 52 and second data terminal 53.
Further, described input/output interface 5 is the AVI port.
Further, described GPIO interface 11 can also be connected with key circuit.It will be appreciated by those skilled in the art that, when the user presses described button, described GPIO interface 11 is received the high level interrupt signal, described microprocessor controller 1 enters interruption, and then passing through its control command output port 12 to described TV signal modular converter 4 sending controling instructions, control TV signal modular converter 4 is started working.
Further, described GPIO interface 11 can also be connected with touch screen circuitry.It will be appreciated by those skilled in the art that, the user can import by touch-screen, this moment, described GPIO interface 11 was received the high level interrupt signal, described microprocessor controller 1 enters interruption, and then passing through its control command output port 12 to described TV signal modular converter 4 sending controling instructions, control TV signal modular converter 4 is started working.
It will be appreciated by those skilled in the art that, this mobile phones design is useful on this TV card function operations interface, design has the option of opening the TV card function on this interface, and the user selects this option by button or touch-screen, and promptly the described TV signal modular converter 4 of may command carries out work.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a mobile phone that can be used as TV card comprises mainboard, housing, microprocessor controller (1), radio-frequency module (2), display screen (3); It is characterized in that: also comprise TV signal modular converter (4) and input/output interface (5), described TV signal modular converter (4) and described input/output interface (5) all are arranged on the mainboard, and described TV signal modular converter (4) one ends are connected with described microprocessor controller (1) and the other end is connected with described input/output interface (5).
2. the mobile phone that can be used as TV card as claimed in claim 1, it is characterized in that: described TV signal modular converter (4) comprises frequency changer circuit (41) and decoding circuit (42), the input of described frequency changer circuit (41) is connected with described microprocessor controller (1) circuit, the output of described frequency changer circuit (41) is connected with the inlet circuit of described decoding circuit (42), and the output of described decoding circuit (42) is connected with described input/output interface (5) circuit.
3. the mobile phone that can be used as TV card as claimed in claim 2 is characterized in that: described frequency changer circuit (41) comprises the low noise frequency converter (411) and the following frequency demultiplier (412) of circuit connection successively.
4. the mobile phone that can be used as TV card as claimed in claim 3 is characterized in that: also comprise the radome that is arranged on the mainboard, described radome is rolled in described frequency changer circuit (41) outside.
5. as each described mobile phone that can be used as TV card in the claim 2 to 4, it is characterized in that: described decoding circuit (42) comprises decoding unit (421), AD conversion unit (422), luminance contrast regulon (423) and comb filtering unit (424), described decoding unit (421) all is connected with the input of described AD conversion unit (422) with described luminance contrast regulon (423); The output of described AD conversion unit (422) is connected with the input of described comb filtering unit; The output of described comb filtering unit (424) is connected on the described input/output interface (5).
6. the mobile phone that can be used as TV card as claimed in claim 5, it is characterized in that: described microprocessor controller (1) is provided with control command output port (12), and the control end of described TV signal modular converter (4) is connected with described control command output port (12).
7. the mobile phone that can be used as TV card as claimed in claim 1 or 2 is characterized in that: described input/output interface (5) is a USB interface.
8. the mobile phone that can be used as TV card as claimed in claim 7 is characterized in that: described microprocessor controller (1) is provided with interrupt interface, and described USB interface is connected with described interrupt interface circuit.
9. the mobile phone that can be used as TV card as claimed in claim 8 is characterized in that: described interrupt interface is to be set to high level to trigger the GPIO interface (11) that interrupts.
10. the mobile phone that can be used as TV card as claimed in claim 9 is characterized in that: described USB interface is provided with power end (51), earth terminal (54), first data terminal (52) and second data terminal (53); Described power end (51) is connected with described GPIO interface (11) after connecting a pull-up resistor R, and described first data terminal (52) is connected with described first data terminal (52) and described second data terminal (53) with described second data terminal (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255500U CN202085221U (en) | 2011-01-26 | 2011-01-26 | Mobile phone capable of serving as television card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255500U CN202085221U (en) | 2011-01-26 | 2011-01-26 | Mobile phone capable of serving as television card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085221U true CN202085221U (en) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200255500U Expired - Lifetime CN202085221U (en) | 2011-01-26 | 2011-01-26 | Mobile phone capable of serving as television card |
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| Country | Link |
|---|---|
| CN (1) | CN202085221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914574A (en) * | 2019-05-10 | 2020-11-10 | 神讯电脑(昆山)有限公司 | Bar code scanner detection device and method thereof |
-
2011
- 2011-01-26 CN CN2011200255500U patent/CN202085221U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914574A (en) * | 2019-05-10 | 2020-11-10 | 神讯电脑(昆山)有限公司 | Bar code scanner detection device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee before: Huaqin Technology Co.,Ltd. Address after: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address after: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203, Lane 572, Lane 39, blue wave road, Shanghai, Pudong New Area Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
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| CX01 | Expiry of patent term |