CN2861968Y - Vehicle mounted navigation device having TV function - Google Patents
Vehicle mounted navigation device having TV function Download PDFInfo
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- CN2861968Y CN2861968Y CN 200420150530 CN200420150530U CN2861968Y CN 2861968 Y CN2861968 Y CN 2861968Y CN 200420150530 CN200420150530 CN 200420150530 CN 200420150530 U CN200420150530 U CN 200420150530U CN 2861968 Y CN2861968 Y CN 2861968Y
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Abstract
The utility model discloses a vehicle carried navigation device with TV function, comprising a TV reception module together used with navigation module in different time or at same time. Wherein, the TV reception module comprises an audio unit 10, an audio/video selection switch and a TV tuner and a TV antenna 2 in connection with a TV tuner 3; the display module comprises a decoder unit 13, a graphical processes unit 14 and a LCD display 15, the video output terminal of audio/video selection switch (4) is connected with the input terminal of graphical processes unit by the decode unit 13. Another input terminal of graphical process is to receive navigation graphical signals from the navigation unit and the output terminal of graphical process unit is connected with the display. The vehicle-carried navigation device with TV function is opened to the regions with stimulated or digital TV and broadcasting, and the display screen on the vehicle-carried device is to display received stimulated or digital TV ground broadcasting program.
Description
Technical field
The utility model relates to airmanship, especially a kind of on-vehicle navigation apparatus with mobile digital TV function.
Background technology
At present, known on-vehicle navigation apparatus does not also have the mobile digital TV function.And along with the increase of navigation demand, the vehicle of equipment navigator will get more and more, and the simple function of traditional in-vehicle navigation apparatus also can not satisfy the many-sided demand of people,
The utility model content
The technical problems to be solved in the utility model provides a kind of on-vehicle navigation apparatus, can receive and play the mobile digital TV program.
The above-mentioned technical matters of the utility model solves like this, construct a kind of on-vehicle navigation apparatus with TV functions, but the display module that comprises navigation module and show navigator picture and text, also comprise with the navigation module timesharing or use the TV-set receiving module of described display module simultaneously, wherein, TV-set receiving module comprises audio unit, audio frequency and video selector switch and analog digital television tuner and the television antenna that is connected with the analog digital television tuner, wherein the TV signal output end of analog digital television tuner is connected with the tv signal input of audio frequency and video selector switch, the audio output of analog digital television tuner is connected with the signal input part of audio unit, described display module comprises decoding unit, Graphics Processing Unit and LCD display, the video output terminals of described audio frequency and video selector switch is connected with the input end of Graphics Processing Unit by decoding unit, another input end of described Graphics Processing Unit receives the navigation figure signal from described navigation elements, and the output terminal of described Graphics Processing Unit is connected with display.
In above-mentioned on-vehicle navigation apparatus with TV functions, described audio frequency and video selector switch comprises tv signal input, DVD signal input part, external audio video inputs, I
2C bus control interface, audio output port and video-out port, wherein, the tv signal input mouth connects the TV signal output part of simulation digital TV tuner.
In above-mentioned on-vehicle navigation apparatus with TV functions, described analog digital television tuner is to comprise I
2The model of C bus control interface is the dedicated devices of TD (M) 1300 (L).
In above-mentioned on-vehicle navigation apparatus with TV functions, described audio frequency and video selector switch is that model is the integrated circuit of M52790FP, and this integrated circuit comprises I
2The C bus control interface, 2 the video input channels that can independently control, each passage has 4 video switchs.
In above-mentioned on-vehicle navigation apparatus with TV functions, described Graphics Processing Unit comprises that model is the integrated circuit of SM501.
In above-mentioned on-vehicle navigation apparatus with TV functions, described decoding unit comprises that model is the integrated circuit of SAA7114.
In above-mentioned on-vehicle navigation apparatus with TV functions, described navigation module comprises navigation computer unit, the input media, gps signal receiving element and the CF card unit that are connected with the navigation computer unit respectively, also comprises the power supply unit to described each module for power supply.The gps signal receiving element is connected to the GPS receiving antenna.
In above-mentioned on-vehicle navigation apparatus with TV functions, described TV signal receiving element is the receiving trap of analog or digital TV signal receiver or compatible analog/digital TV signal.
In above-mentioned on-vehicle navigation apparatus with TV functions, also comprise the external earphone socket that can replace the loudspeaker sounding.
Enforcement the utlity model has the on-vehicle navigation apparatus of TV functions, can open the area of analog or digital television broadcasting service, the analog or digital television terrestrial broadcasting program that the display screen demonstration by on-vehicle navigation apparatus itself receives.
Description of drawings:
Below in conjunction with drawings and Examples, the on-vehicle navigation apparatus that the utlity model has TV functions is described further.
Fig. 1 is the thick block diagram that the utlity model has the on-vehicle navigation apparatus of TV functions;
Fig. 2 is the system chart that the utlity model has the on-vehicle navigation apparatus of TV functions;
Fig. 3 is the circuit theory diagrams of audio frequency and video switch sections that the utlity model has the on-vehicle navigation apparatus of TV functions;
Fig. 4 is the circuit theory diagrams of analog digital television tuning part that the utlity model has the on-vehicle navigation apparatus of TV functions;
Fig. 5 is the workflow diagram that the utlity model has the on-vehicle navigation apparatus of TV functions.
Embodiment
Fig. 1 illustrates the on-vehicle navigation apparatus with TV functions of the present utility model, comprises navigation module 100, display module 200 and TV-set receiving module 300.During navigation, on the LCD display of display module 200, show navigation picture and text, entering under the television operations pattern from navigation module 100,200 one-tenth of display modules the display of television reception to video.In view of the development trend of Chinese development DTTB (DTTB), select to adopt the tuner of European DVB-T standard, this standard adopts 8M bandwidth for transmission digital television signal, supports mobile, portable equipment.The utility model adopts this standard, simultaneously, also needs a process owing to eliminate analog television broadcast, so the utility model is selected the tuner of analog digital compatibility.Specifically can in on-vehicle navigation apparatus, analog digital television terrestrial broadcasting tuner and adaptive television antenna be set.
Further as shown in Figure 2, the utlity model has the on-vehicle navigation apparatus of TV functions, by the keypad 8 or the touch-screen 11 of operation on-vehicle navigation apparatus, can select mode of operation is " navigation " or " TV " etc.After selecting " TV " mode of operation, on-vehicle navigation apparatus receives mobile digital TV signals by television antenna 2, and be sent to the built-in analog digital television tuner 3 of on-vehicle navigation apparatus, the composite video TV signal of this tuner output is delivered on the LCD screen 15 through audio frequency and video selection circuit 4, decoding unit 13 and pattern displaying unit 14 and is shown, the sound signal of these tuner 3 outputs selects circuit 4 to deliver to loudspeaker broadcast in the audio unit 10 through audio frequency and video.Wherein, in conjunction with Fig. 1, navigation elements 100 comprise the navigation computer unit 5, respectively with the input media that is connected, comprise remote control receiving element 7, keypad 8, touch screen unit 11, navigation computer unit 5 also is connected to gps antenna 3 by gps signal receiving element 12, navigation computer power 5 also is circumscribed with CF card unit 9 except being built-in with data and program storage, also comprise the power supply unit 1 to described each module for power supply in Fig. 2.Except navigation elements, also comprise display module 200 and TV-set receiving module 300, wherein, TV-set receiving module 300 comprises audio unit 10, audio frequency and video selector switch 4 and analog digital television tuner 3 and the television antenna 2 that is connected with analog digital television tuner 3, wherein the TV signal output end of analog digital television tuner 3 is connected with the tv signal input of audio frequency and video selector switch 4, the audio output of analog digital television tuner 3 is connected with the signal input part of audio unit 10, described display module 200 comprises decoding unit 13, Graphics Processing Unit 14 and LCD display 15, the video output terminals of described audio frequency and video selector switch 4 is connected with the input end of Graphics Processing Unit 14 by decoding unit 13, another input end of described Graphics Processing Unit 14 receives the navigation figure signal from described navigation elements 100, and the output terminal of described Graphics Processing Unit 14 is connected with display 15.As shown in Figure 3, audio frequency and video selector switch 4 comprises tv signal input, DVD signal input part, external audio video inputs, I
2C bus control interface, audio output port and video-out port, wherein, the tv signal input mouth connects the TV signal output part of simulation digital TV tuner 3.
As Fig. 3, audio frequency and video selector switch 4 is that model is the integrated circuit of M52790FP, this M52790FP: audio frequency and video selector switch integrated circuit (AV SWITCH IC) has I
2The C bus control interface; Comprise 2 audio input channels that can independently control, each passage has 4 audio switch.Also comprise 2 the video input channels that can independently control, each passage has 4 video switchs.The vision signal that DVD plays also is to switch to same display by the audio frequency and video selector switch to show.Wherein, Graphics Processing Unit (14) comprises that model is the integrated circuit of SM501, and decoding unit 13 comprises that model is the integrated circuit of SAA7114.
As shown in Figure 4, analog digital television tuner (3) is to comprise I
2The model of C bus control interface is the dedicated devices of TD (M) 1300 (L).TD (M) 1300 (L) digital-to-analog terrestrial tuner (DIGITAL/ANALOG TERRESTRIALTUNNER) has I
2The C bus control interface.Support the DVB-T standard, adopt the 2K carrier mode, with 8M bandwidth for transmission digital television signal.
In the workflow diagram of the on-vehicle navigation apparatus that TV functions is arranged shown in Fig. 5, start earlier, system initialization, detecting pattern switch, model selection are navigation or TV, if navigation, then carry out the flow of navigation (not shown), if TV then carries out program and selects, carry out playing programs again up to shutdown or selection navigation mode.
Claims (8)
1. the on-vehicle navigation apparatus with TV functions comprises navigation module (100) but and show navigator figure
The display module (200) of literary composition, it is characterized in that, also comprise and navigation module (100) timesharing or use the TV-set receiving module (300) of described display module (200) simultaneously, wherein, TV-set receiving module (300) comprises audio unit (10), audio frequency and video selector switch (4) and analog digital television tuner (3) and the television antenna (2) that is connected with analog digital television tuner (3), wherein the TV signal output end of analog digital television tuner (3) is connected with the tv signal input of audio frequency and video selector switch (4), the audio output of analog digital television tuner (3) is connected with the signal input part of audio unit (10), described display module (200) comprises decoding unit (13), Graphics Processing Unit (14) and LCD display (15), the video output terminals of described audio frequency and video selector switch (4) is connected with the input end of Graphics Processing Unit (14) by decoding unit (13), another input end of described Graphics Processing Unit (14) receives the navigation figure signal from described navigation elements navigation module (100), and the output terminal of described Graphics Processing Unit (14) is connected with display (15).
2. according to the described on-vehicle navigation apparatus of claim 1 with TV functions, it is characterized in that, described audio frequency and video selector switch (4) comprises tv signal input, DVD signal input part, external audio video inputs, 12C bus control interface, audio output port and video-out port, wherein, the tv signal input mouth connects the TV signal output part of simulation digital TV tuner (3).
3. according to the described on-vehicle navigation apparatus of claim 2, it is characterized in that described analog digital television tuner (3) is to comprise that the model of 12C bus control interface is the dedicated devices of TD (M) 1300 (L) with TV functions.
4. according to the described on-vehicle navigation apparatus of claim 2 with TV functions, it is characterized in that, described audio frequency and video selector switch (4) is that model is the integrated circuit of M52709FP, this integrated circuit comprises the 12C bus control interface, 2 the video input channels that can independently control, each passage has 4 video switchs.
5. according to the described on-vehicle navigation apparatus of claim 1, it is characterized in that described Graphics Processing Unit (14) comprises that model is the integrated circuit of SM501 with TV functions.
6. according to the described on-vehicle navigation apparatus of claim 1, it is characterized in that described decoding unit (13) comprises that model is the integrated circuit of SAA7114 with TV functions.
7. according to any one described on-vehicle navigation apparatus among the claim 1-6 with TV functions, it is characterized in that, described navigation module (100) comprises navigation computer unit (5), the input media (7,8,11), gps signal receiving element (12) and the CF card unit (9) that are connected with navigation computer unit (5) respectively, also comprises the power supply unit (1) to described each module for power supply.
8. according to the described on-vehicle navigation apparatus of claim 7, it is characterized in that described television signal receiver module (300) unit is the receiving trap of analog or digital TV signal receiver or compatible analog/digital TV signal with TV functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150530 CN2861968Y (en) | 2004-09-28 | 2004-09-28 | Vehicle mounted navigation device having TV function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150530 CN2861968Y (en) | 2004-09-28 | 2004-09-28 | Vehicle mounted navigation device having TV function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2861968Y true CN2861968Y (en) | 2007-01-24 |
Family
ID=37659600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420150530 Expired - Fee Related CN2861968Y (en) | 2004-09-28 | 2004-09-28 | Vehicle mounted navigation device having TV function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2861968Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187870A (en) * | 2015-09-11 | 2015-12-23 | 长春轨道客车股份有限公司 | High speed motor-car set vehicle television function debugging method |
-
2004
- 2004-09-28 CN CN 200420150530 patent/CN2861968Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187870A (en) * | 2015-09-11 | 2015-12-23 | 长春轨道客车股份有限公司 | High speed motor-car set vehicle television function debugging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20091028 |