CN102202235A - Internet protocol television (IPTV)-based azimuth display method, set-top box and system - Google Patents
Internet protocol television (IPTV)-based azimuth display method, set-top box and system Download PDFInfo
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Abstract
The invention relates to an internet protocol television (IPTV)-based azimuth display method, a set-top box and an IPTV-based azimuth display system. The method comprises the following steps of: acquiring local position information and destination position information to be pointed by a user from an IPTV system; acquiring a current geomagnetic declination from an indicating device, and acquiring address information of an indicating lamp of the north direction in the current indicating device according to the current geomagnetic declination; performing calculation according to the local position information, the destination position information and the address information of the indicating lamp of the north direction in the current indicating device to acquire address information of an indicating lamp corresponding to the destination position information; and controlling the corresponding indicating lamp to display the address information according to the address information of the indicating lamp corresponding to the destination position information. The problem that an electronic compass points any specific direction is solved with low cost.
Description
Technical field
The present invention relates to the terminal communication technical field, particularly a kind of direction display method of TV Network Based, set-top box and system.
Background technology
Along with the development of science and technology, digital compass can be realized the function of common compass (compass), and still, general digital compass can only point to fixing direction, i.e. south, and its principle mainly is to measure the magnetic field of the earth.Because the magnetic field of the earth is a low-intensity magnetic field, at present, anisotropic magnetoresistive sensor (such as AMR) is the signal magnetic field Testing requirement contentedly.But because there is certain difference in the magnetic field of the earth with geographical south poles, digital compass can also provide actual place and angle direct north.
But, in present prior art, adopt following manner to indicate geographic direction usually:
A kind ofly be: global positioning system (GPS, Global Position System) the integrated compass detector of navigator, it realizes that principle is, with moving and electronic chart of GPS navigation instrument bonding apparatus, realizes direction location and navigation feature.But, be coated with the blind area at gps signal, GPS no signal in some building or in the tunnel.During static the or low-speed motion of equipment, the GPS navigation instrument can not mark the movement locus of equipment on map, the direction that the user also just can not perception oneself.
In addition, the GPS navigation instrument generally is installed on the automobile, only shows geographical four corners of the world direction usually.
Another kind, mobile phone integrated electronic compass detector is integrated in GPS alignment sensor, geomagnetic sensor on the smart mobile phone, and the lamp by mobile phone shows digital compass; When not having gps signal, can determine mobile phone position substantially by the framing signal that mobile phone operators provides.But, the mobile phone positioning function that positioning function can only rely on gps signal or mobile operator to provide.In addition, the digital compass that combines with smart mobile phone, price is high, and its range of application is less.Have only mobile phone (IPhone) mobile phone and some Android mobile phone to support this application at present.
In research and practice process to prior art, the present inventor finds, in the existing implementation, if the GPS navigation instrument is integrated on the automobile, in gps signal blind area or building or in the tunnel during GPS no signal, the GPS navigation instrument can not mark the movement locus of equipment on map, the direction that the user can not perception self; If GPS alignment sensor, geomagnetic sensor are integrated on the smart mobile phone, its price is high, and present range of application is little, can not satisfy the demand of user location.
Summary of the invention
The embodiment of the invention provides a kind of direction display method, set-top box and system of TV Network Based, to solve, under low cost, solves the problem that digital compass points to any specific direction.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of direction display method of TV Network Based, and described method comprises:
From the network TV IPTV system, obtain the destination locations information that local position information and user need point to;
From indicating device, obtain current geomagnetic declination,, obtain the address information of the indicator light of direct north in the current indicating device according to described current geomagnetic declination;
According to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with the positional information of described destination;
According to the address information of the described indicator light corresponding with the positional information of destination, the corresponding indicator light of control shows.
Accordingly, the embodiment of the invention also provides a kind of set-top box, comprising:
First acquiring unit is used for obtaining local position information from the network TV IPTV system, and user's destination locations information;
Second acquisition unit is used for obtaining current geomagnetic declination from indicating device;
Demarcate the unit, be used for the current geomagnetic declination that obtains according to described second acquisition unit, obtain the address information of the indicator light of direct north in the current indicating device;
Computing unit is used for according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with the positional information of described destination;
Control unit is used for the address information according to the described indicator light corresponding with the positional information of destination, and the corresponding indicator light of control shows.
Accordingly, the embodiment of the invention also provides a kind of navigation system of TV Network Based, comprising: set-top box and indicating device, wherein,
Described set-top box is used for obtaining local position information from the network TV IPTV system, and the positional information of the purpose that need point to of user; And from indicating device, obtain current geomagnetic declination, according to described geomagnetic declination, obtain the address of the indicator light of direct north in the current indicating device; And according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with described destination locations information; And notify described indicating device to control the demonstration of the indicator light corresponding with described destination locations information;
Described indicating device, be connected with set-top box by USB interface, be used to described set-top box that current geomagnetic declination is provided, and when the notice of the demonstration that receives control that set-top box the sends indicator light corresponding, control the indicator light corresponding and show with described destination locations information with described destination locations information.
As shown from the above technical solution, the embodiment of the invention is under based on the IPTV system, set-top box is by obtaining local locating information (i.e. Ben Di longitude, latitude), obtain destination information from the IPTV system, and obtains geographic orientation information (being the geomagnetic declination) from indicating device; And indicating device is demarcated according to described geomagnetic declination, obtain the address of the indicator light of current direct north, and according to local position information and destination locations information, and calculate the address of the indicator light of current direct north, obtain the address of the indicator light corresponding, control indicator light corresponding in the described indicating device then and show with described destination locations information with described destination locations information.Be that STB is by controlling connected indicator device, finish local location, destination demarcation, destination direction-pointing function, and evade and rely on GPS to be positioned at the problem that some indoor scenarios signal covers, realized that promptly set-top box is under low cost, solve the problem that digital compass points to any specific direction, enlarge the range of application of set-top box, improved user's satisfaction.
Description of drawings
The flow chart of the direction display method of a kind of TV Network Based that Fig. 1 provides for the embodiment of the invention;
The flow chart of definite set-top box local position information that Fig. 2 provides for the embodiment of the invention;
The flow chart of definite set-top box local position information that Fig. 3 provides for the embodiment of the invention;
A kind of flow chart that obtains the method for destination locations information that Fig. 4 provides for the embodiment of the invention;
The structural representation of a kind of set-top box that Fig. 5 provides for the embodiment of the invention;
The orientation display system of a kind of TV Network Based that Fig. 6 provides for the embodiment of the invention;
The application example of the orientation display system of a kind of TV Network Based that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below we will be in conjunction with the accompanying drawings, embodiment of the present invention are described in detail.
See also Fig. 1, the flow chart of the direction display method of a kind of TV Network Based that provides for the embodiment of the invention; Described method comprises:
Step 101: from the network TV IPTV system, obtain the destination locations information that local position information and user need point to;
Step 102: from indicating device, obtain current geomagnetic declination,, obtain the address information of the indicator light of direct north in the current indicating device according to described current geomagnetic declination;
Wherein, described indicator light can be light-emitting diode (LED, a Light Emitting Diode) lamp, also can be display or the display screen that is integrated with the LED lamp, certainly, can also be other luminous electric devices, and present embodiment does not limit.
Step 103: according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with the positional information of described destination;
Step 104: according to the address information of the described indicator light corresponding with the positional information of destination, the corresponding indicator light of control shows.
This step specifically can be: according to the address information of the described indicator light corresponding with the positional information of destination, show by the corresponding indicator light of the control of the microprocessor in the indicating device.
The embodiment of the invention is at TV (IPTV Network Based, Internet Protocol Television) under the system, set-top box (STB, Set Top Box), and from indicating device, obtains geographic orientation information (being the geomagnetic declination) by from the IPTV system, obtaining local position information (being local locating information: local longitude, latitude etc.), obtain destination information; And indicating device is demarcated according to described geomagnetic declination, obtain the address information of the indicator light of current direct north, and according to local position information and destination locations information, and calculate the address of the indicator light of current direct north, obtain the address of the indicator light corresponding, control indicator light corresponding in the described indicating device then and show (such as lighting or glittering etc.) with described destination locations information with described destination locations information.Be that STB is by controlling connected indicator device, finish local location, destination demarcation, destination direction-pointing function, and evade and rely on GPS to be positioned at the problem that some indoor scenarios signal covers, realized that promptly set-top box is under low cost, solve the problem that digital compass points to any specific direction, enlarge the range of application of set-top box, improved user's satisfaction.
Optionally, described method can also comprise: whether the position of detecting indicating device changes, and when changing, re-executes step 102 to 104 steps.
Wherein, in step 101, from the network TV IPTV system, obtain local position information and comprise: the local geographical position of the set-top box that the IP address of the number of the account according to user's registration that reception IPTV system sends, the set-top box of having distributed and user's address information are determined; Perhaps receive the current location that user that the IPTV system sends marks on electronic chart, and with described current location as local geographical position.
In this embodiment, determine that the local position information spinner will pass through following dual mode, but be not limited to this, first kind is, after STB powers on, the IPTV system determines the geographical position (being latitude and longitude information) of STB according to user profile (user ID, STB IP etc.), and with described address location announcement machine top box STB storage; Specifically as shown in Figure 2, the flow chart of definite set-top box local position information of providing for the embodiment of the invention of Fig. 2.Specifically comprise:
Step 201: the user sends the request of opening an account to the IPTV system; Comprise address and account information in this request;
Step 202:IPTV system is registered user's address and account information, and distributes STB IP address for this user in the secondary IP address resource pool;
Step 203:IPTV system sends STB IP address to STB;
Step 204:STB start afterwards, receives described STB IP address;
Step 205:STB sends the request of IPTV service log-on to the IPTV system;
Step 206:IPTV system after receiving described register requirement, utilize user account, with the IP address and the station address information of STB IP matching addresses, determine the local position information of this STB;
The described local position information (being latitude and longitude information) that step 207:IPTV system will determine sends to STB;
The described local position information that step 208:STB recorder is arrived.
Second kind is: the IPTV system provides application program (as electronic chart), and the user accurately sets local position information.Be that the IPTV system can provide electronic chart, allow the user mark its current position information accurately, and notify STB to preserve current location information.Specifically as shown in Figure 3, the flow chart of definite set-top box local position information of providing for the embodiment of the invention of Fig. 3.Specifically comprise:
Step 301: the user is sent in the request of mark local position on the electronic chart to the IPTV system;
Step 302:IPTV system offers the user with electronic chart;
Step 303: the user marks local position information on described electronic chart;
Step 304:IPTV system sends to STB with the local position information of user's mark;
Step 305:STB stores the local position information that marks on the described electronic chart.
Wherein, in step 101, from the network TV IPTV system, obtain the destination locations information that the user need point to and comprise: from described IPTV system, obtain the destination locations information that predefined destination locations information need be pointed to as the user; Perhaps the electronic chart that provides according to the IPTV system is determined the destination locations information that user's needs point to.
And in the IPTV system generating mode of destination locations information, be example mainly, but be not limited to this with following two kinds of generating modes,
First kind of generating mode: in the IPTV system, preestablish destination locations information.That is to say that the IPTV system can be provided with the longitude and latitude of STB destination locations.Such as, preestablishing destination locations information is the latitude and longitude information in Tian An-men etc.; If do not preestablish destination locations information, the acquiescence destination locations information that just is meant, the positional information in Meccah, the promptly Arabic Holy Land.Afterwards, the IPTV system sends to STB with the destination locations information of described predefined destination locations information or acquiescence, so that STB stores this destination locations information.
Second kind of generating mode is: the destination locations information of determining the user based on the application (as electronic chart) of IPTV system, after determining described destination locations information, the IPTV system sends to STB with described destination locations information, so that STB stores this destination locations information.
Wherein, the described electronic chart that provides according to the IPTV system determines that the destination locations information that user's needs point to specifically comprises: the destination address that the user marks on its electronic chart that provides is provided in the IPTV system; And described destination address is converted to the longitude and latitude of destination, and the longitude and latitude of described destination is sent to set-top box; Set-top box is preserved the longitude and latitude of the described destination receive, and the destination locations information that the longitude and latitude of described destination need be pointed to as the user.Specifically shown in Figure 4, be the flow chart of a kind of method of obtaining destination locations information in the embodiment of the invention.In this embodiment, the IPTV system provides the application of electronic chart, specifically comprises:
Step 401: the user sends the request of mark electronic chart to the IPTV system;
Step 402:IPTV system provides electronic chart for this user;
Step 403: the user annotates the destination at the electronic chart subscript;
Step 404:IPTV system is converted to longitude and latitude with the destination;
Step 405:IPTV system sends to STB with the longitude and latitude of described destination;
The longitude and latitude of the destination that step 406:STB storage receives.Wherein, the destination locations information that need point to as the user of the longitude and latitude of described destination.
Step 407:STB upgrades destination locations information, promptly utilizes the original destination locations information of new destination locations information updating that receives.This step is an optional step.
Optionally, in step 102, the geomagnetic declination of geomagnetic sensor in the described inquiry indicating device, and according to described geomagnetic declination, the address that obtains the indicator light of current direct north specifically comprises:
Geomagnetic declination by geomagnetic sensor output in the USB interface inquiry indicating device; And the side-play amount of described geomagnetic declination with the indicator light of specifying direct north in advance be associated, obtain the address of the indicator light of current direct north.
That is to say that this step mainly comprises inquiry and demarcate that wherein, inquiry is exactly the output of set-top box by the inquiry of the USB interface on indicator device geomagnetic sensor, obtains magnetic direction, i.e. the geomagnetic declination.For geomagnetic sensor is the ripe parts of this area, does not repeat them here.And pass through microcontroller (MCU, micro controller unit) and finish communicate by letter with geomagnetic sensor adaptive, promptly MCU is transferred to set-top box with the geomagnetic declination of output.
Then, STB demarcates the indicating device that powers at every turn; Its process is; The address of a certain LED lamp in the indicating device is positive north arbitrarily, and STB is by the geomagnetic declination of the geomagnetic sensor output in the USB interface inquiry indicating device; And the side-play amount of described geomagnetic declination and this indicator light associated.Thereby obtain the address of the indicator light of current direct north, and the direction in the positive north of described reality is associated with the address of this indicator light, STB preserves the indicator light address of direct north.
Optionally, in step 103, described according to described local position information and destination locations information, and calculate the address of the indicator light of current direct north, the address that obtains the indicator light corresponding with described destination locations information specifically comprises: according to described local position information and destination locations information, calculate the orientation, destination; According to the address of the indicator light of described current direct north, calculate the address of the indicator light corresponding with orientation, described destination.
Optionally, in step 104, the indicator light corresponding with described destination locations information shows specifically and comprises in the described indicating device of described control: control microcontroller in the described indicating device and show with the corresponding indicator light of described destination locations information and show.
The address of the indicator light in the present embodiment is for pressing the address after the sequential encoding of clock direction.Being the outer ring that indicator light can be integrated in indicator device, also can be light-emitting diode display or the display screen that points in the device, and each indicator light carries out address arranging with the mode that increases progressively.STB can be by instruction, and the MCU in the indicating device controls the address of some indicator lights, promptly controls the state of indicator light, comprise lighting, closing, or flicker etc.; N (north)-E (east)-S (south)-W (west) is represented in the distribution of the address of indicator light in the direction of the clock.The sum of indicator light (being made as a uniform distribution) circle is 360 degree, so that the address correlation of orientation and indicator light is got up.
In addition, if when the user moves the indicating device that is connected by USB with STB, STB needs the geomagnetic declination of geomagnetic sensor output in the continuous measurement indicating device, and dynamically updates the indication orientation.
Therefore, in the IPTV system, STB by with its indicating device that is connected by USB, can realize the fixed-direction of appointment that the user requires, such as the Holy Land, Meccah direction, perhaps Tian An-men etc.That is to say, after STB gets access to local position information and destination locations information (destination that the user need point to), utilize microcontroller, geomagnetic sensor and the indicator light of indicating device, just can finish the direction of the destination that the user need point to.
In the embodiment of the invention, because STB has stronger communication and operational capability, present embodiment (is an example with the indicator light among the present invention for STB provides an integrated geomagnetic sensor (electronic compass) and indicating device, but be not limited to this), be STB an electronic indicator is provided, allow it point to the desired fixed-direction of client.
Therefore, in the IPTV system, the embodiment of the invention utilizes computing capability, storage capacity, the communication capacity of STB to finish the function of pointing to specific direction when reducing cost.And the user can upgrade direction indication dynamically when moving with indicating device that set-top box is connected.
Implementation procedure based on said method, the embodiment of the invention also provides a kind of set-top box, its structural representation sees Fig. 5 for details, and described device comprises: first acquiring unit 51, second acquisition unit 52, demarcate unit 53, computing unit 54 and control unit 55, wherein, first acquiring unit 51, be used for obtaining local position information from the network TV IPTV system, and user's destination locations information; Second acquisition unit is used for obtaining current geomagnetic declination from indicating device; Demarcate unit 53, be used for the current geomagnetic declination that obtains according to described second acquisition unit, obtain the address information of the indicator light of direct north in the current indicating device; Computing unit 54, be used for the local position information and the destination locations information that get access to according to described acquiring unit 51, and the address of demarcating the indicator light of the current direct north that unit 53 obtains, obtain the address information of the indicator light corresponding with described destination locations information; Control unit 55, according to the address information of the described indicator light corresponding with the positional information of destination, the corresponding indicator light of control shows.
Optionally, described control unit specifically is used for the address information according to the described indicator light corresponding with the positional information of destination, shows by the corresponding indicator light of the control of the microprocessor in the indicating device.
Optionally, described set-top box can also comprise: detecting unit and feedback unit, wherein, and detecting unit, whether the position that is used to detect indicating device changes; Feedback unit when being used for changing in the position that detecting unit detects described indicating device, notifies described second acquisition unit to obtain current geomagnetic declination again from indicating device.
Optionally, described computing unit comprises: orientation computing unit and address calculation, and wherein, the orientation computing unit is used for the positional information according to described local position information and purpose, calculates the orientation, destination; Address calculation is used for the address information according to the indicator light of described current direct north, calculates the address information of the indicator light corresponding with orientation, described destination.
Optionally, described first acquiring unit comprises: local position acquiring unit and destination locations acquiring unit, wherein, the local position acquiring unit, the local position information of the set-top box that the IP address of the set-top box of be used to receive the number of the account according to user's registration that the IPTV system sends, having distributed and user's address information are determined; Perhaps receive the current location that user that the IPTV system sends marks on electronic chart, and with described current location as local position information; The destination locations acquiring unit is used for obtaining predefined destination locations information from described IPTV system, and the destination locations information that described destination locations information need be pointed to as the user; Perhaps the electronic chart that provides according to the IPTV system is determined the destination locations information that user's needs point to.
Optionally, described second acquisition unit comprises: query unit, and wherein, query unit specifically is used for the geomagnetic declination by USB interface inquiry indicating device geomagnetic sensor; Described demarcation unit also is used for the side-play amount of described geomagnetic declination with the indicator light of specifying direct north in advance is associated, and obtains the address information of the indicator light of current direct north.
The implementation procedure of the function of each unit sees implementation procedure corresponding in the said method for details in the described set-top box, does not repeat them here.
Accordingly, the embodiment of the invention also provides a kind of orientation display system of TV Network Based, its structural representation sees Fig. 6 for details, described system comprises: set-top box 61 and indicating device 62, wherein, described set-top box 61 is used for obtaining local position information from the network TV IPTV system, and the positional information of the purpose that need point to of user; And from indicating device, obtain current geomagnetic declination, according to described geomagnetic declination, obtain the address of the indicator light of direct north in the current indicating device; And according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with described destination locations information; And notify described indicating device to control the demonstration of the indicator light corresponding with described destination locations information;
Described indicating device 62, be connected with set-top box by USB interface, be used to described set-top box that current geomagnetic declination is provided, and when the notice of the demonstration that receives control that set-top box the sends indicator light corresponding, control the indicator light corresponding and show with described destination locations information with described destination locations information.
Optionally, described indicating device 62 comprises: microcontroller 621, and geomagnetic sensor 622 and a plurality of indicator light 623, wherein, geomagnetic sensor is used for when powering at every turn, responds to local azimuth information or earth magnetic field intensity component, and exports current geomagnetic declination; A plurality of indicator lights, the direction that is used for the destination locations information that explicit user need point to, address arranging is carried out with the mode that increases progressively in the address of each indicator light, and the address of indicator light is distributed in the position in the direction of the clock, and carries out related with the address of indicator light described orientation;
Microcontroller, be connected with set-top box, geomagnetic sensor and a plurality of indicator lights, be used for the current geomagnetic declination of geomagnetic sensor output is sent to set-top box, and when the notice that the described indicator light corresponding with destination locations information of control that receives the set-top box transmission shows, control the indicator light corresponding and show with described destination locations information.
Optionally, described set-top box can comprise: acquiring unit, and query unit is demarcated the unit, and computing unit and control unit certainly, can also comprise other unit in the above-mentioned set-top box, and its concrete function sees for details above-mentioned, does not repeat them here.
In the embodiment of the invention, under the cooperation of IPTV system, STB links to each other with indicator device by USB interface in the embodiment of the invention, STB is according to this locality and the destination locations information obtained from the IPTV system, finish local location, destination demarcation, destination direction-pointing function, and evade in the prior art when relying on the GPS location problem that can not cover in some indoor scenarios or GSP no signal.Be STB under situation cheaply, solved the problem that digital compass can not point to the target of any specific direction.
Also see also Fig. 7, be the application example of the navigation system of a kind of TV Network Based of providing in the embodiment of the invention, in this embodiment, indicator light is an example with the LED lamp, but is not limited to this, and described system comprises: set-top box 71, indicating device 72, can also comprise IPTV system 73, wherein
Described IPTV system 73 is used to provide station address information, customer service account number, user device IP address, and with database in relevant geography information, can the Directory Enquiries dependency relation of itself and geographical longitude and latitude.The IPTV system can also provide electronic chart to use, and allows the user to set local position and the accurate destination locations of setting.
Described STB71 is the smart machine that can communicate by letter with IPTV system 73, is used for obtaining local position and destination locations information from IPTV system 73, can also visit the electronic chart of IPTV system etc.STB71 in the present embodiment has storage capacity and interface (such as USB interface etc.), can receive and this locality and purpose latitude and longitude information that storing IP TV system 73 sends.
In this embodiment, STB71 expands peripheral hardware by USB interface, promptly uses USB wired connection indicating device 72, can reduce the cost that adopts bluetooth or other wireless devices to introduce, and certainly, present embodiment also can adopt bluetooth or other wave points; Can also solve simultaneously the powerup issue of external equipment, provide power supply for indicating device.
Indicating device 72 has local position sensor and specific direction direction-pointing function, is connected by USB with STB71, and can intercoms mutually, and indicating device 72 comprises: MCU721, geomagnetic sensor 721 and a plurality of LED lamp 723, wherein,
Microcontroller MCU721 is responsible for communicating by letter with STB71, finishes the communication switching of STB71 and geomagnetic sensor 721, finishes lighting, close or flashing function of STB71 control LED lamp.
STB71 is according to the geomagnetic declination that obtains, the address of the LED lamp of direct north, destination deflection, after, obtain the address of the indicator light corresponding with described destination locations information; And notify the described indicating device control indicator light corresponding to show with described destination locations information; Finish user friendly prompting.
In this embodiment, based on the IPTV system, the system that STB can access operator must open an account and obtain the IP address, and these information can let us obtain the local Position Approximate of set-top box.STB can provide interface, allows the user set this locality and destination locations.The IPTV system can provide the application of electronic chart, and after the user selected the place, IPTV applicative notifications STB set locating information.Based on STB stronger communication and operational capability have been arranged, present embodiment provides integrated a geomagnetic sensor (electronic compass) and an indicated number device (using the LED lamp among the present invention) for STB, be STB an electronic indicator is provided, allow it point to the desired fixed-direction of client.
In the embodiment of the invention, under the IPTV system, set-top box utilizes computing capability, storage capacity, the communication capacity of STB to finish the function of pointing to specific direction under lower-cost situation.
Also need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1. the direction display method of a TV Network Based is characterized in that, comprising:
From the network TV IPTV system, obtain the destination locations information that local position information and user need point to;
From indicating device, obtain current geomagnetic declination,, obtain the address information of the indicator light of direct north in the current indicating device according to described current geomagnetic declination;
According to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with the positional information of described destination;
According to the address information of the described indicator light corresponding with the positional information of destination, the corresponding indicator light of control shows.
2. method according to claim 1 is characterized in that, described address information according to the described indicator light corresponding with the positional information of destination, and the corresponding indicator light of control shows specifically and comprises:
According to the address information of the described indicator light corresponding, show by the corresponding indicator light of the control of the microprocessor in the indicating device with the positional information of destination.
3. method according to claim 1 and 2 is characterized in that, described method also comprises:
Whether the position of detecting indicating device changes, and when changing, re-execute the described current geomagnetic declination that from indicating device, obtains,, obtain the step of the address information of the indicator light of direct north in the current indicating device according to described current geomagnetic declination.
4. method according to claim 1 and 2 is characterized in that,
The described local position information of obtaining from the network TV IPTV system comprises:
The local position information of the set-top box that the IP address of the number of the account according to user's registration that reception IPTV system sends, the set-top box of having distributed and user's address information are determined; Perhaps receive the current location that user that the IPTV system sends marks on electronic chart, and with described current location as local position information;
Describedly from the network TV IPTV system, obtain the destination locations information that the user need point to and comprise:
Receive predefined destination locations information in the described IPTV system, and the destination locations information that described destination locations information need be pointed to as the user; Perhaps the electronic chart that provides according to the IPTV system is determined the destination locations information that the user need point to.
5. method according to claim 4 is characterized in that, describedly obtains the destination locations information that the user need point to also comprise from the network TV IPTV system: upgrade described destination locations information.
6. method according to claim 1 and 2 is characterized in that, describedly obtains current geomagnetic declination from indicating device, and according to described current geomagnetic declination, the address information that obtains the indicator light of direct north in the current indicating device specifically comprises:
Geomagnetic declination by geomagnetic sensor output in the USB interface inquiry indicating device;
The side-play amount of described geomagnetic declination with the indicator light of specifying direct north in advance is associated, obtains the address information of the indicator light of current direct north.
7. method according to claim 1, it is characterized in that, described according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, and the address information that obtains the indicator light corresponding with the positional information of described destination specifically comprises:
According to described local position information and destination locations information, calculate the orientation, destination;
According to the address information of the indicator light of described current direct north, calculate the address information of the indicator light corresponding with orientation, described destination.
8. a set-top box is characterized in that, comprising:
First acquiring unit is used for obtaining local position information from the network TV IPTV system, and user's destination locations information;
Second acquisition unit is used for obtaining current geomagnetic declination from indicating device;
Demarcate the unit, be used for the current geomagnetic declination that obtains according to described second acquisition unit, obtain the address information of the indicator light of direct north in the current indicating device;
Computing unit is used for according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with the positional information of described destination;
Control unit is used for the address information according to the described indicator light corresponding with the positional information of destination, and the corresponding indicator light of control shows.
9. set-top box according to claim 8 is characterized in that, described control unit specifically is used for the address information according to the described indicator light corresponding with the positional information of destination, shows by the corresponding indicator light of the control of the microprocessor in the indicating device.
10. set-top box according to claim 8 is characterized in that, also comprises:
Detecting unit, whether the position that is used to detect indicating device changes;
Feedback unit when being used for changing in the position that detecting unit detects described indicating device, notifies described second acquisition unit to obtain current geomagnetic declination again from indicating device.
11. to 10 each described set-top box, it is characterized in that described computing unit comprises according to Claim 8:
The orientation computing unit is used for the positional information according to described local position information and purpose, calculates the orientation, destination;
Address calculation is used for the address information according to the indicator light of described current direct north, calculates the address information of the indicator light corresponding with orientation, described destination.
12. to 10 each described set-top box, it is characterized in that according to Claim 8 described first acquiring unit comprises:
The local position acquiring unit, the local position information of the set-top box that the IP address of the set-top box of be used to receive the number of the account according to user's registration that the IPTV system sends, having distributed and user's address information are determined; Perhaps receive the current location that user that the IPTV system sends marks on electronic chart, and with described current location as local position information;
The destination locations acquiring unit is used for obtaining predefined destination locations information from described IPTV system, and the destination locations information that described destination locations information need be pointed to as the user; Perhaps the electronic chart that provides according to the IPTV system is determined the destination locations information that user's needs point to.
13. to 10 each described set-top box, it is characterized in that described second acquisition unit comprises according to Claim 8:
Query unit specifically is used for the geomagnetic declination by USB interface inquiry indicating device geomagnetic sensor;
Described demarcation unit also is used for the side-play amount of described geomagnetic declination with the indicator light of specifying direct north in advance is associated, and obtains the address information of the indicator light of current direct north.
14. the orientation display system of a TV Network Based is characterized in that, comprising: set-top box and indicating device, wherein,
Described set-top box is used for obtaining local position information from the network TV IPTV system, and the positional information of the purpose that need point to of user; And from indicating device, obtain current geomagnetic declination, according to described geomagnetic declination, obtain the address of the indicator light of direct north in the current indicating device; And according to described local position information and destination locations information, and the address information of the indicator light of direct north is calculated in the current indicating device, obtains the address information of the indicator light corresponding with described destination locations information; And notify described indicating device to control the demonstration of the indicator light corresponding with described destination locations information;
Described indicating device, be connected with set-top box by USB interface, be used to described set-top box that current geomagnetic declination is provided, and when the notice of the demonstration that receives control that set-top box the sends indicator light corresponding, control the indicator light corresponding and show with described destination locations information with described destination locations information.
15. system according to claim 14 is characterized in that, described indicating device comprises:
Geomagnetic sensor is used to export current geomagnetic declination;
A plurality of indicator lights, the direction that is used for the destination locations information that explicit user need point to, address arranging is carried out with the mode that increases progressively in the address of each indicator light, and the address of indicator light is distributed in the position in the direction of the clock, and carries out related with the address of indicator light described orientation;
Microcontroller, be connected with set-top box, geomagnetic sensor and a plurality of indicator lights, be used for the current geomagnetic declination of geomagnetic sensor output is sent to set-top box, and when the notice that the described indicator light corresponding with destination locations information of control that receives the set-top box transmission shows, control the indicator light corresponding and show with described destination locations information.
16. according to claim 14 or 15 described systems, it is characterized in that,
Each described set-top box of described set-top box such as claim 9 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010132704.6A CN102202235B (en) | 2010-03-24 | 2010-03-24 | Internet protocol television (IPTV)-based azimuth display method, set-top box and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010132704.6A CN102202235B (en) | 2010-03-24 | 2010-03-24 | Internet protocol television (IPTV)-based azimuth display method, set-top box and system |
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| CN102202235A true CN102202235A (en) | 2011-09-28 |
| CN102202235B CN102202235B (en) | 2014-07-09 |
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| CN201010132704.6A Expired - Fee Related CN102202235B (en) | 2010-03-24 | 2010-03-24 | Internet protocol television (IPTV)-based azimuth display method, set-top box and system |
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| CN102202235B (en) | 2014-07-09 |
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