CN102122999A - Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine - Google Patents
Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine Download PDFInfo
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- CN102122999A CN102122999A CN2010100038532A CN201010003853A CN102122999A CN 102122999 A CN102122999 A CN 102122999A CN 2010100038532 A CN2010100038532 A CN 2010100038532A CN 201010003853 A CN201010003853 A CN 201010003853A CN 102122999 A CN102122999 A CN 102122999A
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Abstract
The invention discloses a vehicle-mounted electronic machine and an information output method for the vehicle-mounted electronic machine. The method comprises the following steps of: (1) detecting that a poor broadcast reception interval such as a tunnel is present in front of a road where a vehicle runs; (2) calculating time required for the vehicle to pass through the poor broadcast reception interval; (3) extracting data which can be played completely within the time from a plurality of data recorded on a recording medium; and (6) switching a receiving status of a broadcast program into a playing status of the recording medium and outputting the data extracted in the step (3) when a currently-selected playing source is determined to be the broadcast program and the vehicle enters the poor broadcast reception interval. Therefore, the data is played completely when the vehicle passes through the poor broadcast reception interval and the status is switched into the receiving status of a broadcast receiver, so that the problem of interrupted playing of the data when the playing status of the recording medium is switched into the receiving status of the broadcast program cannot occur.
Description
Technical field
The present invention relates to the information output method of vehicle carried electronic machine and vehicle carried electronic machine, particularly a kind ofly can select to export the vehicle carried electronic machine of broadcast program that broadcast reception portion receives, broadcast information that recording medium broadcast portion plays and the information output method of vehicle carried electronic machine.
Background technology
At present, vehicle carried electronic machine (vehicle-mounted voice band device, onboard navigation system), be equipped with the analog or digital broadcasting receiver that can receive broadcast program, and the recording medium broadcast unit that reads and play the data on the recording medium that is recorded in CD, disk or semiconductor memory etc., can be selectively from the efferent output broadcast program of loud speaker, display etc. and the broadcast information of recording medium.
This vehicle carried electronic machine as shown in Figure 7, if vehicle C enters weak electric field region such as tunnel (the bad interval of broadcast reception) during receiving broadcast program, because the reception level reduces, can't continue to export the sound or the reflection of broadcast program.In order to solve this problem, day the disclosure specially permit flat 10-163911 and proposed following technological means: when the reception level of broadcasting receiver reduces, automatically switch to the broadcast state of recording medium, thereby the state that does not have sound or reflection output is president's time remaining not, then when the reception level of broadcasting receiver is recovered, return the accepting state of broadcast program once more.
, above-mentioned technological means when the accepting state of broadcast program switches to the broadcast state of recording medium, is not considered and should be play which data that is recorded in a plurality of data that write down on the recording medium.Therefore, produced following problems: in the moment that the accepting state of broadcasting receiver is recovered, when the broadcast state of recording medium returned the accepting state of broadcast program, data had been interrupted playing midway.
Summary of the invention
The present invention proposes in order to solve the above problems.
Vehicle carried electronic machine of the present invention has: broadcast reception portion receives broadcasting wave; Recording medium broadcast portion plays recording medium; Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcast portion to play; Selection portion selects a broadcast source to export from described efferent in described broadcast program and described broadcast information; The broadcast source detection unit is judged the broadcast source of current selection according to described selection portion; The reproduction time test section, detection record is at a plurality of data reproduction time separately of described recording medium; The vehicle location test section, the current location of detection vehicle; The map datum storage part, store map data, this map datum contains road information and the bad block information of broadcast reception at least; Also have: the bad interval test section of broadcast reception, according to current location and described map datum that described vehicle location test section detects, whether the place ahead of detecting on the road that vehicle is travelling has the bad interval of described broadcast reception; By Time Calculation portion, when detecting, the bad interval test section of described broadcast reception has described broadcast reception bad when interval in described the place ahead, calculate vehicle by the needed time of the bad interval of this broadcast reception; Data extract portion based on the reproduction time that described reproduction time test section detects, is extracted in the data that can finish in the described time that calculates by Time Calculation portion; Enter test section, detect vehicle and enter the bad interval of described broadcast reception; Play Control portion, detect vehicle to enter described broadcast reception bad when interval at the described test section that enters, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast information, allow this broadcast information continue output, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast program, control described selection portion and will switch to described broadcast information, export the data that described data extract portion extracts from the broadcast source of described efferent output.
According to vehicle carried electronic machine of the present invention, detect vehicle enter the bad interval of broadcast reception, when the accepting state of broadcast program switches to the broadcast state of recording medium, extract and play the data that can finish in by the time in the bad interval of broadcast reception a plurality of data on being recorded in recording medium out at vehicle.Therefore, at vehicle by the bad interval of broadcast reception, when turning back to the accepting state of broadcasting receiver, the broadcast of above-mentioned data is in the state that finishes or play substantially, so can not produce when the broadcast state of recording medium returns the accepting state of broadcast program, data are being play the problem of interrupting midway.
The bad interval of described broadcast reception is at least one between Close Tunnel, between the block, building, in the intermountain interval.
At the vehicle carried electronic machine of the invention described above, preferred, vehicle calculates by the needed time of the bad interval of described broadcast reception according to the travel speed of bad length of an interval degree of the described broadcast reception on the road and vehicle in the described Time Calculation portion that passes through.In view of the above, can calculate the time of passing through accurately.
At the vehicle carried electronic machine of the invention described above, the data that described data extract portion extracts are the data that can finish or the set of a plurality of data in the described time of calculating by Time Calculation portion.The number of the data of extracting out is not limited to one, also can be a plurality of, even therefore the bad interval of broadcast reception is very long, the broadcast that is recorded in the data on the recording medium also can last till vehicle just by the bad interval of this broadcast reception, or is about to by before the bad interval of this broadcast reception.
In addition, the vehicle carried electronic machine in the invention described above also has, and leaves test section, detects vehicle and leaves from the bad interval of described broadcast reception; Described Play Control portion, when vehicle enters the bad interval of described broadcast reception, after controlling described selection portion and will switching to described broadcast information from broadcast program from the broadcast source of described efferent output, when the described test section that leaves detects vehicle when the bad interval of described broadcast reception is left, described Play Control portion controls described selection portion once more and will turn back to described broadcast program from described broadcast information from the broadcast source of described efferent output.Therefore, after vehicle left the bad interval of broadcast reception, even user (user) does not carry out the operation that broadcast source is switched, vehicle carried electronic machine of the present invention also can automatically will return broadcast program from the broadcast information of recording medium from the broadcast source of efferent output.At this, detect vehicle to leave described broadcast reception bad when interval at the described test section that leaves, the data that described data extract portion extracts are still continuing under the situation about playing, after this data playback finishes, described Play Control portion controls described selection portion once more will turn back to described broadcast program from described broadcast information from the broadcast source of described efferent output.In view of the above, though vehicle early than the time of calculating by Time Calculation portion by the bad interval of broadcast reception, data are not interrupted in broadcast midway.
The information output method of vehicle carried electronic machine of the present invention, above-mentioned vehicle carried electronic machine has: broadcast reception portion receives broadcasting wave; Recording medium broadcast portion plays recording medium; Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcast portion to play; Selection portion selects a broadcast source to export from described efferent at described broadcast program and described broadcast information; The broadcast source detection unit is judged the broadcast source of current selection according to described selection portion; Reproduction time test section, detection record separately reproduction time in a plurality of data of described recording medium; The vehicle location test section, the current location of detection vehicle; The map datum storage part, store map data, this map datum contains road information and the bad block information of broadcast reception at least; The information output method of above-mentioned vehicle carried electronic machine is characterised in that: the bad interval step that detects of broadcast reception, according to current location and described map datum that described vehicle location test section detects, whether the place ahead of detecting on the road that vehicle is travelling has the bad interval of described broadcast reception; By the Time Calculation step, the bad interval test section of described broadcast reception detects has broadcast reception bad when interval in described the place ahead, calculate vehicle by the needed time of the bad interval of this broadcast reception; The data extract step based on the reproduction time that described reproduction time test section detects, is extracted in the data that can finish in the described time that calculates by the Time Calculation step; Enter the detection step, detect vehicle and enter the bad interval of described broadcast reception; The step of Play Control, detecting vehicle in the described step that enters detection, to enter described broadcast reception bad when interval, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast information, allow this broadcast information continue output, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast program, control described selection portion and will switch to described broadcast information, export the data that described data extract portion extracts from the broadcast source of described efferent output.
Information output method according to vehicle carried electronic machine of the present invention, detect vehicle enter the bad interval of broadcast reception, when the accepting state of broadcast program switches to the broadcast state of recording medium, extract and play the data that can finish in by the time in the bad interval of broadcast reception a plurality of data on being recorded in recording medium out at vehicle.Therefore,, finish by the bad interval of broadcast reception, when turning back to the accepting state of broadcasting receiver at vehicle because the broadcast of the data of extracting has finished or has been about to.So can not produce when the broadcast state of recording medium returns the accepting state of broadcast program, data are being play the problem of interrupting midway.
In addition, in the information output method of vehicle carried electronic machine of the present invention and vehicle carried electronic machine of the present invention, the broadcast reception portion that receives broadcasting wave can be television broadcasting, broadcast receiver broadcasting, any broadcast reception portion that can receive broadcasting wave of satellite broadcasting etc.Recording medium broadcast portion can be any recording medium of CD, semiconductor memory of HDD (hard disk), CD, DVD etc. etc.In addition, recording medium broadcast portion also can read broadcast information on the recording medium that is stored in outside portable terminal by means such as radio communications.
Description of drawings
Fig. 1 roughly represents to relate to the block diagram that the integral body of the vehicle carried electronic machine of embodiments of the present invention constitutes.
Fig. 2 is the flow chart of action of roughly representing to relate to the vehicle carried electronic machine of embodiments of the present invention.
Fig. 3 is the flow chart that expression detects the processing in the bad interval of broadcast reception.
Fig. 4 is the flow chart that the processing of played data is extracted in expression.
Fig. 5 is the figure of the TOC information of expression CD.
Fig. 6 is the figure of an example of the expression broadcast source formation of selecting signal.
Fig. 7 is for the key diagram of vehicle by the bad situation when interval of broadcast reception is described.
Symbol description
100 vehicle carried electronic machines
1 HDD (map datum storage part)
2 vehicle location test sections
3 Navigation Control portions (the bad interval test section of broadcast reception, by Time Calculation portion, enter test section, leave test section)
4 recording medium broadcast portions
5 tuners (broadcast reception portion)
6 broadcast source selection portions (selection portion)
7 system controllers (broadcast source detection unit, reproduction time test section, data extract portion, Play Control portion)
8 efferents
9 console switch groups
Embodiment
Below, explanation is suitable for embodiments of the present invention with reference to drawing.
The formation of I＜vehicle carried electronic machine 〉
Fig. 1 roughly represents to relate to the block diagram that the integral body of the vehicle carried electronic machine of embodiments of the present invention constitutes.
Map datum is made of path layer, background layer, literal notation layer etc.(1) path layer is made of road tabulation, nodal directory, crosspoint configuration node tabulation etc.(2) background layer is for road, building, park, rivers and creeks etc. are presented on the map image.(3) the literal notation layer is for the literal of the administrative division title of representing to indicate town village name etc., road name, crosspoint title etc. or map mark etc.In the processing of map match, the road data of the shape of used performance road also is stored in HDD1.This road data is made of shape node and the internodal link of shape, and in addition, the distance between the two shape nodes of this link changes with the shape of road.
In addition, in present embodiment, contain the bad block information of broadcast reception in the map datum.The bad block information of so-called broadcast reception even be meant in the broadcast area (broadcast singal overlay area) in certain broadcasting station, can not receive the related information in the interval (receiving bad interval) of broadcasting because of accepting state is bad.The bad block information of this broadcast reception comprise road (link) information that is positioned at the bad interval of broadcast reception, the bad interval of broadcast reception on this road entrance and exit position coordinates and in the distance of this entrance and exit on road, the facility that disposes in the bad interval of broadcast reception (such as etc. the information relaying antenna).In present embodiment, can be illustrated in the identification parameter that whether contains the bad interval of broadcast reception on the road (link) and this link corresponding stored in HDD1.Such as, identification parameter is under the situation of [1], and being illustrated in has the bad interval of broadcast reception on this link, and identification parameter is under the situation of [0], and being illustrated in does not have the bad interval of broadcast reception on this link.In present embodiment, the bad interval of the broadcast reception on the road (interval that the reception level is low) is between Close Tunnel, between the block, building, the interval in intermountain interval etc.
The recording medium broadcast portion that recording medium is play in symbol 4 expressions.This recording medium broadcast portion 4 possesses at least one among CD broadcast unit 4a, DVD broadcast unit 4b, external portable terminal plays unit 4c, media player 4d, the digital audiotape driver 4e.CD broadcast unit 4a plays the information of the melody be recorded on the CD etc.; DVD broadcast unit 4b plays the information of the reflection be recorded on the DVD and sound etc.; External portable terminal plays unit 4c by BT (Blue Tooth: bluetooth) communication etc. the means of communication receiving record at the reflection that is attached thereto the external portable terminal that connects and/or the signal of sound, export to the efferent 8 of back segment; Media player 4d reads and plays the information of reflection on the recording medium that is recorded in semiconductor memory card of being installed with etc. and sound etc.Digital audiotape driver 4e plays the voice signal that is recorded on the tape.
The console switch group that symbol 9 is represented for the various indications that obtain the user.Be arranged on touch-screen on the display surface of display unit 8b such as, this console switch group 9, be arranged on the mechanical type button around the picture of display unit 8b or have the remote controller etc. of a plurality of buttons.The user operates the various operations of selection etc. of the receive frequency (channel) of selection that this console switch group 9 can carry out switching, broadcast source from the reduced scale of the map picture of Navigation Control portion 3 output, tuner 5.
The system controller that symbol 7 expressions are made of CPU.This system controller 7 is selected signal to broadcast source selector 6 output broadcast source, and broadcast source selector 6 selects signal to switch the broadcast source that (selection) exports to efferent 8 according to this broadcast source.This system controller 7 can be realized the function of broadcast source detection unit of the present invention, and this broadcast source detection unit is judged the broadcast source of broadcast source selector 6 current selections.In addition, the TOC that system controller 7 writes down from the recording medium of playing in printing medium broadcast portion 4 (Table Of Contents: catalogue) information etc., a plurality of data (melody, Image Data) separately the reproduction time of detection record on this recording medium, and, this system controller 7 is based on the reproduction time of detected data, be extracted in aftermentioned vehicle that Navigation Control portion 3 (by Time Calculation portion) is calculated by broadcast reception the needed data that can finish in by the time in bad interval, and the data that extract are play in indication.Therefore, system controller 7 can be realized the function of reproduction time test section of the present invention, data extract portion and Play Control portion.
The action of II＜vehicle carried electronic machine 〉
Below, the action of the vehicle carried electronic machine of present embodiment is described with reference to Fig. 2.Especially,, illustrate as shown in Figure 7 that vehicle is from the action of position C1 by the vehicle carried electronic machine of the bad interval of broadcast reception when position C2 travels in present embodiment.
Fig. 2 is the flow chart of action of roughly representing the vehicle carried electronic machine of present embodiment.In addition, for the ease of description of the present embodiment, below, with the step of various processing with symbol [S] expression, such as, step 1 is expressed as S1.
S1 is the treatment step that detects the bad interval of broadcast reception, and this treatment step is whether the place ahead of detecting on the road that vehicle ' has the bad interval of broadcast reception.
S2 is the treatment step that calculates by the time, and this treatment step calculates vehicle to be passed through in the detected broadcast reception of the above-mentioned S1 needed time of bad interval.
S3 is the treatment step that extracts played data, and this treatment step is extracted in that S2 calculates passes through the data that can finish in the time.
S4 is a treatment step of judging broadcast source, and this treatment step is judged the current broadcast source of selecting.
S5 detects the treatment step that enters, and this treatment step detects vehicle and enters in the bad interval of the detected broadcast reception of S1.
S6 is the treatment step of Play Control, when vehicle enters in the bad interval of the detected broadcast reception of S1, and the broadcast source that control can be exported.
S7 detects the treatment step that leaves, and this treatment step detects vehicle and leaves in the bad interval of the detected broadcast reception of S1.
S8 is the treatment step that restores broadcast source, when vehicle leaves in the bad interval of the detected broadcast reception of S1, and the broadcast source that control can be exported.
In the treatment step of above-mentioned S1～S8, judge that the opportunity of the treatment S 4 of broadcast source can be before any one step of S1～S3 or before S6.
Below, with reference to each accompanying drawing, describe the processing of each above-mentioned step in detail.In addition, in the present embodiment, be that the situation of CD broadcast unit 4a is illustrated only to recording medium broadcast portion 4.
＜S1: the treatment step that detects the bad interval of broadcast reception 〉
Below, describe the processing in the bad interval of above-mentioned detection broadcast reception in detail with reference to Fig. 3.
＜S301 〉:Vehicle location test section 2 calculates the current location of vehicles, and the Navigation Control portion 3 that the current location information that calculates is exported to back segment.
＜S302 〉: Navigation Control portion 3 bases are recorded in the map datum (road data) of HDD1 and the current location information that calculates at S301, detect the road link that vehicle is travelling.
＜S303 〉: Navigation Control portion 3, read the above-mentioned identification parameter the information whether bad interval of broadcast reception is arranged on the detected road link of S302 that is illustrated in from map datum, detect on the road that vehicle travelling according to this identification parameter information whether the bad interval of broadcast reception is arranged.There is broadcast reception bad when interval (S303:YES) on the road link of travelling detecting, enters S304.Do not have on the road link of travelling that broadcast reception is bad returns S301 when interval (S303:NO) detecting, calculate the current location of vehicle.
＜S304 〉:The place ahead (travel direction) that whether is positioned at current location in the bad interval of the detected broadcast reception of S303 is detected according to the direct of travel and the map datum (position data of the inlet outlet in the bad interval of broadcast reception) of the current location information that calculates at S301, vehicle location test section 2 detected vehicles by Navigation Control portion 3.Detecting has broadcast reception bad when interval (S304:YES) in the place ahead of current location, enter S2.Detect the bad interval of broadcast reception when the rear of current location (opposite direction of travel direction) (S304:NO), return the current location that S301 calculates vehicle.
＜S2: calculate treatment step〉by the time
In the S2 of Fig. 2, the current driving speed of vehicle is calculated according to the output gap of the vehicle speed pulse of the detected vehicle of self-support boat method transducer 2b by Navigation Control portion 3.Further, Navigation Control portion 3 calculate apart from the current point in time stipulated time (such as, 300 seconds) before during in average overall travel speed.In addition, according to the average overall travel speed that calculates with in the detected bad length of an interval degree of broadcast reception that is positioned at the place ahead of vehicle of S1 (distance on the road between entrance and exit), calculate by needed the passing through the time in the bad interval of the detected broadcast reception of S1 in the bad interval of broadcast reception of HDD1 storage.In present embodiment, suppose by the bad interval of broadcast reception that calculates in the calculating of the S2 processing by the time needed by the time be 10 minutes.The error time of the time of passing through that Navigation Control portion 3 can set-up and calculated goes out.Such as, error time is set ± 20 seconds for (about 3%), above-mentioned scope by the time is 9 minutes 40 seconds～10 minutes and 20 seconds.
In addition, above-mentioned by the time, outside calculating according to above-mentioned average overall travel speed, also can calculate according to the travel speed that vehicle enters the vehicle of (before the stipulated time) before the bad interval of broadcast reception.
＜S3: the treatment step that extracts played data 〉
＜S401 〉: System controller 7 sends the order of expression detection at the reproduction time of each data of recording medium recording to recording medium broadcast portion 4, and the reproduction time that mentioned order detects each data is replied by recording medium broadcast portion 4.At this, when recording medium was CD, the boot section (interior all sides of CD) of CD broadcast unit 4a login CD can (Table Of Contents: catalogue) information detects the reproduction time of each data (melody) that write down at this CD from the TOC of this CD.Fig. 5 is the figure of the part of this TOC information of expression.At symbol 1.～8. shown in Figure 5 is the symbol of giving for convenience of description, in order to discern each data (melody).
＜S402 〉:Below, system controller 7 is according in time of passing through that S2 calculates and the reproduction time of each data (melody), the data that extraction can finish in by the time (melody).At this moment, system controller 7 extracts the data (melody) that can finish, also is extracted in the set of identical a plurality of data (melody) of passing through to finish in the time in by the time.At this, preferred as the extracting rule (algorithm) of data, can be set at from set by one or more data that can finish in the time, extract and the difference data little, defined amount (group specified number) by the time.In present embodiment, the said extracted rule is set at the data of extracting three (three groups), supposing the system controller 7 from data 1.～8. (melody) shown in Figure 5, extract in 9 minutes 40 seconds～10 minutes and 20 seconds (above-mentioned passing through the time), can finish 7., 1.+6., 2.+6. these data of three groups.
＜S403 〉:Below, system controller 7 determines the played data of (a group) according to the rule of decision played data.This rule is, such as, a) preferential, b of data) preferential, the c of set of a plurality of data) and the prior predetermined rule (algorithm) of one group of high priority data of above-mentioned difference minimum by the time etc.In present embodiment, if make data preferential according to above-mentioned rule a), data 7. among Fig. 5 are as played data, if according to above-mentioned b) rule make the set of a plurality of data preferential, Fig. 5 1.+6., in 2.+6. one group is at random as played data.In addition, in above-mentioned rule (algorithm), when S402 has extracted identical data of a plurality of reproduction times set of data (or) etc., can further consider that other information decides played data.Such as, when comprising the preference degree (to the fancy grade of melody) of representing the user as the additional information of each data, the high priority data that this preference degree is high.In addition, many groups data that extract in S402 can be presented on the display unit 8b, user's operating operation switch group 9 is selected one group of data from the data of these many groups.In present embodiment, suppose according to above-mentioned rule decision a) data (among Fig. 5 7.) as played data.
In S403 decision played data, enter S4.
＜S4: the treatment step of judging broadcast source 〉
In addition, carry out the opportunity of the processing of above-mentioned S4, as above-mentioned can be before any one of S1～S3 handled, also can be the processing of aftermentioned S6 before.In addition, if before the processing of above-mentioned S1, carry out, the broadcast source that the result of S4 is judged to be the 6 current selections of broadcast source selector is one of broadcast unit of recording medium broadcast portion 4, under the situation of efferent 8 outputs, there is no need to carry out the processing of above-mentioned S1～S3 in the broadcast information that writes down on the recording medium (data) afterwards.Therefore, preferred, execution opportunity of the processing of above-mentioned S4 is before the processing of above-mentioned S1.
＜S5: detect the treatment step that enters 〉
The result of above-mentioned S4 is a tuner 5 for the broadcast source of judging the 6 current selections of broadcast source selector, efferent 8 is being exported under the situation of broadcast program, then, the current location and the direct of travel of the vehicle that Navigation Control portion 3 is calculated based on vehicle location test section 2, be included in the position data of the inlet in the bad interval of broadcast reception in the map datum, detect vehicle and whether enter in the bad interval of the detected broadcast reception of S1.Enter the bad interval of broadcast reception if detect vehicle, Navigation Control portion 3 sends the information that vehicle has entered the bad interval of broadcast reception to system controller 7, then enters following S6.
＜S6: the treatment step of Play Control 〉
Detecting vehicle at S5, to have entered broadcast reception bad when interval, systems control division 7 sends the broadcast indicator of playing the data (Fig. 5 7.) that extract at S3 to broadcast source selector 6 and recording medium broadcast portion 4, and broadcast source selector 6 switches (selection) to the broadcast unit (is the CD broadcast unit in present embodiment) that can play the recording medium that records the data that extract at above-mentioned S3 based on this play instruction with broadcast source.Then, this broadcast unit 4a begins to play the data (Fig. 5 7.) that extract at S3, efferent 8 output broadcast information.
＜S7: detect the treatment step that leaves 〉
Afterwards, the current location of the vehicle that Navigation Control portion 3 is calculated based on vehicle location test section 2, be included in the position data of the outlet in the bad interval of broadcast reception in the map datum, detect vehicle and whether leave in the bad interval of the detected broadcast reception of S1.Leave the bad interval of broadcast reception if detect vehicle, Navigation Control portion 3 sends the leave message that the expression vehicle leaves the bad interval of broadcast reception to system controller 7.
＜S8: the treatment step that restores broadcast source 〉
When system controller 7 receives above-mentioned leave message from Navigation Control portion 3, send the signal whether data (Fig. 5 7.) confirming to begin to play at above-mentioned S6 finish to the recording medium broadcast portion 4 (CD broadcast unit 4a) of broadcast source selector 6 current selections.This signal is replied by recording medium broadcast portion 4, checks whether above-mentioned data finish, and its result is sent to system controller 7.
Under the situation that to be recording medium broadcast portion 4 (CD broadcast unit 4a) finish above-mentioned data (Fig. 5 7.) that system controller 7 identifies The above results, system controller 7 sends the broadcast source switching command to broadcast source selector 6, and this broadcast source switching command is that the broadcast source that broadcast source selector 6 is being selected in expression is switched (selection) instruction to the meaning that enters the tuner of selecting before the bad interval of broadcast reception 5 from recording medium broadcast portion 4 (CD broadcast unit 4a).Broadcast source selector 6 receives this instruction, allows broadcast source reset into tuner 5.
Here, system controller 7, in the processing of above-mentioned S3 because selected vehicle by broadcast reception bad interval needed by the time can in the data (Fig. 5 7.) that finish, this data playback can be finished in the moment that vehicle leaves the bad interval of broadcast reception usually.; the travel speed of vehicle is not limited to fixed value; the current travel speed of the vehicle that calculates at S2 or the situation that average overall travel speed changes are also arranged; so have the moment of leaving the bad interval of broadcast reception at vehicle, the situation that the above-mentioned data that recording medium broadcast portion 4 plays do not finish.At this moment, system controller 7 does not send the broadcast source switching command to broadcast source selector 6, when finishing in the data that S3 extracts, recording medium broadcast portion 4 just sends, identifying the moment that recording medium broadcast portion 4 finishes data playback afterwards, the broadcast source of current selection is being switched (selection) to tuner 5 from recording medium broadcast portion 4 (CD broadcast unit 4a) by broadcast source selector 6.Therefore, even leave moment in the bad interval of broadcast reception at vehicle, even recording medium broadcast portion 4 does not finish under the above-mentioned data conditions, these data are not interrupted playing midway yet.
More than, describe this invention in detail with present embodiment, still, scope of the present invention is not limited to the example in the concrete expression of above-mentioned execution mode, does not depart from of the present inventionly to want the change of the above-mentioned execution mode of point range all to be contained in the scope of the present invention.
Claims (7)
1. vehicle carried electronic machine has:
Broadcast reception portion receives broadcasting wave;
Recording medium broadcast portion plays recording medium;
Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcast portion to play;
Selection portion selects a broadcast source to export from described efferent in described broadcast program and described broadcast information;
The broadcast source detection unit is judged the broadcast source of current selection according to described selection portion;
Reproduction time test section, the detection record a plurality of data reproduction time separately on described recording medium;
The vehicle location test section, the current location of detection vehicle;
The map datum storage part, store map data, this map datum contains the information in road information and the bad interval of broadcast reception at least;
It is characterized in that also having:
The bad interval test section of broadcast reception, according to current location and described map datum that described vehicle location test section detects, whether the place ahead of detecting on the road that vehicle is travelling has the bad interval of described broadcast reception;
By Time Calculation portion, when detecting, the bad interval test section of described broadcast reception has described broadcast reception bad when interval in described the place ahead, calculate vehicle by the needed time of the bad interval of this broadcast reception;
Data extract portion based on the reproduction time that described reproduction time test section detects, is extracted in the data that can finish in the described time that calculates by Time Calculation portion;
Enter test section, detect vehicle and enter the bad interval of described broadcast reception;
Play Control portion, detect vehicle to enter described broadcast reception bad when interval at the described test section that enters, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast information, allow this broadcast information continue output, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast program, control described selection portion and will switch to described broadcast information, export the data that described data extract portion extracts from the broadcast source of described efferent output.
2. vehicle carried electronic machine according to claim 1 is characterized in that: the bad interval of described broadcast reception is at least one between Close Tunnel, between the block, building, in the intermountain interval.
3. vehicle carried electronic machine according to claim 1, it is characterized in that: described by Time Calculation portion, according to the travel speed of bad length of an interval degree of the described broadcast reception on the road and vehicle, calculate vehicle by the needed time of the bad interval of described broadcast reception.
4. vehicle carried electronic machine according to claim 1 is characterized in that: the data that described data extract portion extracts are the data that can finish or the set of a plurality of data in the described time of calculating by Time Calculation portion.
5. vehicle carried electronic machine according to claim 1 is characterized in that having:
Leave test section, detect vehicle and leave from the bad interval of described broadcast reception;
When vehicle enters the bad interval of described broadcast reception, after described Play Control portion controls described selection portion and will switch to described broadcast information from broadcast program from the broadcast source of described efferent output, when the described test section that leaves detects vehicle when the bad interval of described broadcast reception is left, described Play Control portion controls described selection portion once more the broadcast source of described efferent output is turned back to described broadcast program from described broadcast information.
6. vehicle carried electronic machine according to claim 5, it is characterized in that: detect vehicle and leave the bad interval of described broadcast reception at the described test section that leaves, the data that described data extract portion extracts are still continuing under the situation about playing, after this data playback finishes, described Play Control portion controls described selection portion once more will turn back to described broadcast program from described broadcast information from the broadcast source of described efferent output.
7. the information output method of a vehicle carried electronic machine, above-mentioned vehicle carried electronic machine has:
Broadcast reception portion receives broadcasting wave;
Recording medium broadcast portion plays recording medium;
Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcast portion to play;
Selection portion selects a broadcast source to export from described efferent at described broadcast program and described broadcast information;
The broadcast source detection unit is judged the broadcast source of current selection according to described selection portion;
Reproduction time test section, the detection record a plurality of data reproduction time separately on described recording medium;
The vehicle location test section, the current location of detection vehicle;
The map datum storage part, store map data, this map datum contains road information and the bad block information of broadcast reception at least;
The information output method of above-mentioned vehicle carried electronic machine is characterised in that to have:
The bad interval step that detects of broadcast reception, according to current location and described map datum that described vehicle location test section detects, whether the place ahead of detecting on the road that vehicle is travelling has the bad interval of described broadcast reception;
By the Time Calculation step, the bad interval test section of described broadcast reception detects has described broadcast reception bad when interval in described the place ahead, calculate vehicle by the needed time of the bad interval of this broadcast reception;
The data extract step based on the detected reproduction time of described reproduction time test section, is extracted in the data that can finish in the described time that calculates by the Time Calculation step;
Enter the detection step, detect vehicle and enter the bad interval of described broadcast reception;
The Play Control step, detect step and detect vehicle to enter described broadcast reception bad when interval described entering, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast information, allow this broadcast information continue output, judging the broadcast source of current selection when described broadcast source detection unit is under the situation of described broadcast program, control described selection portion and will switch to described broadcast information, export the data that described data extract portion extracts from the broadcast source of described efferent output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010003853.2A CN102122999B (en) | 2010-01-08 | 2010-01-08 | Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010003853.2A CN102122999B (en) | 2010-01-08 | 2010-01-08 | Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine |
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| CN102122999A true CN102122999A (en) | 2011-07-13 |
| CN102122999B CN102122999B (en) | 2014-11-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10163911A (en) * | 1996-12-03 | 1998-06-19 | Hitachi Electron Service Co Ltd | Automatic selector device for car audio |
| CN1243387A (en) * | 1998-07-24 | 2000-02-02 | 日本东芝视频产品株式会社 | Recorder for recording broadcasting signals |
| CN1882051A (en) * | 2005-06-13 | 2006-12-20 | 株式会社查纳位资讯情报 | Vehicular information providing device |
| CN101464153A (en) * | 2007-12-17 | 2009-06-24 | 阿尔派电子（中国）有限公司 | Navigation apparatus |
| WO2009084089A1 (en) * | 2007-12-27 | 2009-07-09 | Pioneer Corporation | Reception device, reception control method, reception control program and recording medium |
-
2010
- 2010-01-08 CN CN201010003853.2A patent/CN102122999B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10163911A (en) * | 1996-12-03 | 1998-06-19 | Hitachi Electron Service Co Ltd | Automatic selector device for car audio |
| CN1243387A (en) * | 1998-07-24 | 2000-02-02 | 日本东芝视频产品株式会社 | Recorder for recording broadcasting signals |
| CN1882051A (en) * | 2005-06-13 | 2006-12-20 | 株式会社查纳位资讯情报 | Vehicular information providing device |
| CN101464153A (en) * | 2007-12-17 | 2009-06-24 | 阿尔派电子（中国）有限公司 | Navigation apparatus |
| WO2009084089A1 (en) * | 2007-12-27 | 2009-07-09 | Pioneer Corporation | Reception device, reception control method, reception control program and recording medium |
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| CN102122999B (en) | 2014-11-05 |
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