JP2004180201A - On-vehicle broadcast receiver - Google Patents

On-vehicle broadcast receiver Download PDF

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Publication number
JP2004180201A
JP2004180201A JP2002346880A JP2002346880A JP2004180201A JP 2004180201 A JP2004180201 A JP 2004180201A JP 2002346880 A JP2002346880 A JP 2002346880A JP 2002346880 A JP2002346880 A JP 2002346880A JP 2004180201 A JP2004180201 A JP 2004180201A
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JP
Japan
Prior art keywords
vehicle
broadcast
receiving apparatus
broadcast receiving
television
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002346880A
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Japanese (ja)
Inventor
Yoshifumi Sakamoto
佳史 坂本
Norihiro Sagishima
憲弘 鷺島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2002346880A priority Critical patent/JP2004180201A/en
Publication of JP2004180201A publication Critical patent/JP2004180201A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an on-vehicle broadcast receiver capable of viewing a program on air at this time in a vehicle at the point of time as much as possible as while securing the safety of the vehicle during travel. <P>SOLUTION: A vehicle speed sensor 13 detects vehicle speed. A system controller 17 judges whether or not the vehicle is traveling by obtaining vehicle speed information from the vehicle speed sensor 13. When a television ON operation is performed during the travel, or when the vehicle becomes a traveling state while a television is ON, the system controller 17 turns video display of the television OFF and performs processing for recording the received program in a recorder 8. Then, when the vehicle is judged to stop, chasing reproduction is performed. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【産業上の利用分野】
この発明は、車載型放送受信装置に関する。
【0002】
【従来の技術】
従来より、車載用のテレビジョン受信機が提供されているが、車の走行中は安全確保のため運転者が画面を注視することは望ましくなく、その防止策としてパーキングブレーキを作動させた時、あるいはシフトレバーをパーキングポジションに入れて駐車措置(パーキング操作)をとった時にだけ映像表示を行なうようにしている。(特許文献1参照)。
【0003】
【特許文献1】
特開2000−9481号
【0004】
【発明が解決しようとする課題】
このため、走行中の放送部分を見ることができないという不満があった。
【0005】
この発明は、上記の事情に鑑み、車の走行中の安全を確保しつつ、そのときに放送されている番組を極力その時点において車中で視聴することができる車載型放送受信装置を提供することを目的とする。
【0006】
【課題を解決するための手段】
この発明の車載型放送受信装置は、放送を受信する車載型放送受信装置において、車の走行状態を判断する手段と、受信放送を記録/再生する手段と、走行中にテレビON操作がなされたとき、或いは、テレビONしているときに走行状態となったとき、テレビ映像表示をOFFすると共に受信放送を記録する手段と、走行停止時に追いかけ再生を行なう手段と、を備えたことを特徴とする。
【0007】
上記の構成であれば、走行停止時に追いかけ再生が行なわれるので、車の走行中の安全を確保しつつ、そのときに放送されている番組を極力その時点において車中で視聴することができることになる。
【0008】
現在受信中の放送における音声だけは走行中でも出力できる設定が行なえるように構成されていてもよい。また、未再生の受信放送が存在する場合に、その旨のメッセージを表示し、再生するかどうか又は削除するかどうかをユーザが選択できるように構成されていてもよい。また、前記メッセージに未再生の受信放送の番組に関する情報を含めて表示するようにしてもよい。また、GPSによる位置情報の変化の有無によって走行状態かどうかを判断するように構成されていてもよい。
【0009】
【発明の実施の形態】
以下、この発明の実施形態を図1及び図2に基づいて説明していく。図1はディジタル放送を受信できると共にカーナビゲーションシステムなどのシステム化が図られた車載型放送受信装置を示したブロック図であり、図2は追っかけ再生の処理内容を示したフローチャートである。
【0010】
ディジタル放送受信部5は、地上ディジタル放送を受信するアンテナ1、チューナ2、デマルチプレクサ(DEMUX)3、及びAVデコーダ4を備える。チューナ2は、映像・音声データを含む高周波ディジタル変調信号のうちから特定周波数の信号を取り出す。また、チューナ2は、復調回路、逆インタリーブ回路、誤り訂正回路などを備えることにより、選択したディジタル変調信号を復調してトランスポート・ストリームを出力する。デマルチプレクサ3は、前記トランスポート・ストリームをMPEG2(Moving Picture Experts Group2)のビデオストリーム、オーディオストリーム、及びPSI/SI(Program Specific Information/Service Information)に分離する。デマルチプレクサ3は、ビデオストリームとオーディオストリームをAVデコーダ4に供給し、PSI/SIに含まれる番組情報等をシステムコントローラ17に供給する。ディジタル放送受信部5に対する選局操作等は操作部15を用いて行なう。また、システムコントローラ17はディジタル放送受信部5における選局制御(メモリ16から選局に必要なデータを読み出して選局に必要なチャンネルの選局データをチューナ2に送る処理等)やその他の制御を行なう。
【0011】
AVデコーダ4は、デマルチプレクサ3から出力されるビデオストリームに対してデコードを行うビデオデコーダ、及びオーディオストリームに対してデコードを行うオーディオデコーダを備える。ビデオデコーダは、入力された可変長符号を復号して量子化係数や動きベクトルを求め、逆DCT変換や動きベクトルに基づく動き補償制御などを行う。オーディオデコーダは、入力された符号化信号を復号して音声データを生成する。デコードにより生成された音声/映像データはAVセレクタ/ミキサ19に出力される。
【0012】
カーナビゲーション部12は、衛星からの電波を受けて測位するGPS(Grobal Positioning System)受信機6、計算部7等を備えて成る。計算部7はGPS受信機6の測位データと図示しない地図情報記憶媒体/読み出し装置から読み出したデータから、自車位置を割り出して地図上のどの位置にいるかを判定し、所定の描画処理を行なう。
【0013】
かかる車載型放送受信装置は、車の動作と連携して機能するように構成されており、システムコントローラ17へは、パーキング情報、施錠情報などが供給される。また、操作部15は、ディジタル放送受信部5に対する操作だけでなく、図示しないCDプレーヤ18やFM/AM受信機などの音響機器の操作、カーナビゲーション部12の操作、AVセレクタ/ミキサ19での信号選択操作にも用いられる。また、メモリ16には、ディジタル放送受信部5が必要とする情報の他、カーナビゲーション部12が必要とする情報、更には各種制御のためのプログラムを格納しているとともに、追っかけ再生処理等のためのプログラムを格納するようになっている。
【0014】
AVセレクタ/ミキサ19はAVデコーダ4の映像/音声出力、CDプレーヤ等の音声出力の選択切替や混合処理を行なう。オーディオアンプ20はAVセレクタ/ミキサ19の出力を増幅してスピーカ23に供給する。表示部24は例えば液晶表示パネルから成り、AVセレクタ/ミキサ19から出力される映像(ディジタル放送受信映像、カーナビゲーション映像等)を表示する。
【0015】
イグニッションキースイッチ27においては、OFF−Acc−ON―Egnの4つの位置が設定され、それぞれ駐車−電装品への電源供給−エンジンON−スタータモータ作動時の各状態である。イグニッションキースイッチ27の位置状態により、バッテリ25から電源ラインに31,32,33に電力が供給されることになる。
【0016】
車速センサ13は車の速度を検出する。システムコントローラ17は車速センサ13から車速情報を得て走行中かどうかを判断する。走行中にテレビON操作がなされたとき、或いは、テレビONしているときに走行状態となったとき、システムコントローラ17は、テレビの映像表示をOFF(地図映像表示等)すると共に、デマルチプレクサ3から出力されるビデオストリーム及びオーディオストリームを記録装置(HDD等)8に記録する処理を行なう。そして、車が停止したと判断したときには、記録装置8において記録開始点(又は前回の再生終了点)から再生を行い、再生したビデオストリーム及びオーディオストリームをAVデコーダ4に与え、テレビの映像表示をONする。また、受信中のディジタル放送におけるビデオストリーム及びオーディオストリームの記録を継続する(同時録画再生)。これにより、車が停止すれば追っかけ再生(同時録画再生)が行なわれて放送の続きを見ることができ、車が走行しだせば、映像表示停止(受信録画のみ)の処理が行なわれる。図2のフローチャートに上記処理を簡単に示す。走行状態を判断し(ステップS1)、走行中かどうかにより(ステップS2におけるYES/NO)、映像表示停止(ステップS3)、又は追っかけ再生(ステップS4)を行なう。そして、走行状態変化まで待機する。
【0017】
上記の処理では自動的に追っかけモードとなるようにしたが、このモードを採用するかどうかをメッセージを表示してユーザに問うようにしてもよい。また、現在受信中の放送における音声だけは走行中であっても出力するといった設定を設けてもよい。また、エンジンが切られたときには、受信処理や録画動作を停止し、再びエンジンがかけられたときに、例えば、「未再生の録画番組が存在します「見る」「後で見る」「消去」)といったメッセージ及びボタンを表示し、ボタン操作に応じて処理を行なうようにしてもよい。また、どのような番組が録画されていたのかの判断を容易にするために、番組名等の情報も表示するようにしてもよい。また、上記の実施形態では、車速センサによって走行状態かどうかの判断を行なうようにしたが、サイドブレーキの状態や、シフトレバーの状態(パーキングかどうか)といった情報により、走行状態かどうかの判断を行なうようにしてもよい。更には、GPSによる位置情報の変化の有無によって走行状態かどうかの判断を行なうようにしてもよい。
【0018】
【発明の効果】
以上説明したように、この発明によれば、車の走行中の安全を確保しつつ、そのときに放送されている番組を極力その時点において車中で視聴することができるという効果を奏する。
【図面の簡単な説明】
【図1】この発明のディジタル放送受信機能を備えた車載型放送受信装置を示したブロック図である。
【図2】追っかけ再生処理を示したフローチャートである。
【符号の説明】
5 ディジタル放送受信装置
6 GPS受信機
8 記録装置
12 ナビゲーションシステム
13 車速センサ
15 操作部
16 メモリ
17 システムコントローラ
19 AVセレクタ/ミキサ
[0001]
[Industrial applications]
The present invention relates to a vehicle-mounted broadcast receiving device.
[0002]
[Prior art]
Conventionally, an in-vehicle television receiver has been provided.However, it is not desirable that a driver gaze at a screen during driving of a car to ensure safety, and when a parking brake is operated as a preventive measure, Alternatively, the image is displayed only when the shift lever is put into the parking position and a parking measure (parking operation) is taken. (See Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2000-9481
[Problems to be solved by the invention]
For this reason, there was a dissatisfaction that the broadcast portion during running could not be seen.
[0005]
The present invention has been made in view of the above circumstances, and provides an in-vehicle broadcast receiving apparatus capable of viewing a program being broadcast at that time as much as possible in a car at the time while ensuring safety during driving of the car. The purpose is to:
[0006]
[Means for Solving the Problems]
The on-vehicle broadcast receiving device according to the present invention is a vehicle-mounted broadcast receiving device for receiving a broadcast, wherein a means for judging a traveling state of a car, a means for recording / reproducing a received broadcast, and a television ON operation are performed during traveling. When the vehicle is in a running state while the television is on, means for turning off the television image display and recording the received broadcast, and means for performing chase reproduction when the running is stopped. I do.
[0007]
With the above configuration, the chasing playback is performed when the vehicle stops traveling, so that the program being broadcast at that time can be viewed in the vehicle at that time as much as possible while ensuring the safety while the vehicle is traveling. Become.
[0008]
The configuration may be such that only audio in the broadcast currently being received can be set to be output during traveling. Further, when there is an unplayed received broadcast, a message to that effect may be displayed, and the user may be able to select whether to play or delete. In addition, the message may include information related to an unplayed received broadcast program. Further, it may be configured to determine whether or not the vehicle is in the traveling state based on whether or not the position information has changed by GPS.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a block diagram showing an in-vehicle broadcast receiver capable of receiving a digital broadcast and being systematized such as a car navigation system, and FIG. 2 is a flowchart showing the content of processing of chase reproduction.
[0010]
The digital broadcast receiving unit 5 includes an antenna 1 for receiving terrestrial digital broadcasts, a tuner 2, a demultiplexer (DEMUX) 3, and an AV decoder 4. The tuner 2 extracts a signal of a specific frequency from high-frequency digital modulation signals including video and audio data. Further, the tuner 2 includes a demodulation circuit, a deinterleave circuit, an error correction circuit, and the like, and thereby demodulates the selected digital modulation signal and outputs a transport stream. The demultiplexer 3 separates the transport stream into an MPEG2 (Moving Picture Experts Group 2) video stream, an audio stream, and a PSI / SI (Program Specific Information / Service Information). The demultiplexer 3 supplies a video stream and an audio stream to the AV decoder 4, and supplies program information and the like included in PSI / SI to the system controller 17. A channel selection operation or the like for the digital broadcast receiving unit 5 is performed using the operation unit 15. Further, the system controller 17 controls channel selection in the digital broadcast receiving unit 5 (a process of reading data necessary for channel selection from the memory 16 and transmitting channel selection data of a channel required for channel selection to the tuner 2) and other controls. Perform
[0011]
The AV decoder 4 includes a video decoder that decodes a video stream output from the demultiplexer 3 and an audio decoder that decodes an audio stream. The video decoder obtains a quantization coefficient and a motion vector by decoding the input variable-length code, and performs inverse DCT transform, motion compensation control based on the motion vector, and the like. The audio decoder decodes the input coded signal to generate audio data. The audio / video data generated by the decoding is output to the AV selector / mixer 19.
[0012]
The car navigation unit 12 includes a GPS (Global Positioning System) receiver 6 for receiving and positioning a radio wave from a satellite, a calculation unit 7, and the like. The calculation unit 7 determines the own vehicle position from the positioning data of the GPS receiver 6 and the data read from the map information storage medium / readout device (not shown) to determine which position on the map, and performs a predetermined drawing process. .
[0013]
Such an in-vehicle broadcast receiver is configured to function in cooperation with the operation of a car, and parking information, locking information, and the like are supplied to the system controller 17. The operation unit 15 operates not only the digital broadcast receiving unit 5 but also an audio device (not shown) such as a CD player 18 and an FM / AM receiver, an operation of the car navigation unit 12, and an operation of the AV selector / mixer 19. Also used for signal selection operations. In addition, the memory 16 stores information required by the car navigation unit 12 in addition to information required by the digital broadcast receiving unit 5 and a program for various controls. For storing programs.
[0014]
The AV selector / mixer 19 performs selection switching and mixing of video / audio output of the AV decoder 4 and audio output of a CD player or the like. The audio amplifier 20 amplifies the output of the AV selector / mixer 19 and supplies it to the speaker 23. The display unit 24 includes, for example, a liquid crystal display panel, and displays images (digital broadcast reception images, car navigation images, and the like) output from the AV selector / mixer 19.
[0015]
In the ignition key switch 27, four positions of OFF-Acc-ON-Egn are set, and these are the respective states during parking, power supply to electrical components, engine ON, and starter motor operation. Depending on the position of the ignition key switch 27, power is supplied from the battery 25 to the power supply lines 31, 32, and 33.
[0016]
The vehicle speed sensor 13 detects the speed of the vehicle. The system controller 17 obtains vehicle speed information from the vehicle speed sensor 13 and determines whether or not the vehicle is running. When a television ON operation is performed during traveling, or when the vehicle is in a traveling state while the television is on, the system controller 17 turns off the television image display (such as a map image display), and demultiplexes the demultiplexer 3. A process of recording the video stream and the audio stream output from the storage device 8 on a recording device (HDD or the like) 8 is performed. When it is determined that the car has stopped, the recording device 8 starts reproduction from the recording start point (or the previous reproduction end point), gives the reproduced video stream and audio stream to the AV decoder 4, and displays the video image on the television. Turn ON. Further, the recording of the video stream and the audio stream in the digital broadcast being received is continued (simultaneous recording and reproduction). As a result, when the car stops, the chase reproduction (simultaneous recording reproduction) is performed so that the continuation of the broadcast can be watched. When the car starts running, the process of stopping the video display (only receiving and recording) is performed. The above process is simply shown in the flowchart of FIG. The traveling state is determined (step S1), and depending on whether the vehicle is traveling (YES / NO in step S2), the image display is stopped (step S3) or the chase reproduction (step S4) is performed. Then, it waits until the running state changes.
[0017]
In the above processing, the chase mode is automatically set. However, a message may be displayed to ask the user whether to adopt this mode. In addition, a setting may be provided such that only the sound of the broadcast currently being received is output even during traveling. Also, when the engine is turned off, the receiving process and the recording operation are stopped, and when the engine is turned on again, for example, "there is a recorded program that has not been played back." ) May be displayed, and processing may be performed according to the button operation. In addition, information such as a program name may be displayed in order to easily determine what program was recorded. In the above embodiment, the vehicle speed sensor determines whether or not the vehicle is in a traveling state. However, the vehicle speed sensor determines whether or not the vehicle is in a traveling state based on information such as a state of a side brake and a state of a shift lever (whether or not parking). It may be performed. Further, it may be determined whether or not the vehicle is in the traveling state based on whether or not the position information has changed by GPS.
[0018]
【The invention's effect】
As described above, according to the present invention, there is an effect that the program being broadcast at that time can be viewed in the vehicle at the time as much as possible while securing the safety while the vehicle is running.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an on-vehicle broadcast receiving apparatus having a digital broadcast receiving function according to the present invention.
FIG. 2 is a flowchart showing a chase reproduction process.
[Explanation of symbols]
5 Digital Broadcasting Receiver 6 GPS Receiver 8 Recording Device 12 Navigation System 13 Vehicle Speed Sensor 15 Operation Unit 16 Memory 17 System Controller 19 AV Selector / Mixer

Claims (5)

放送を受信する車載型放送受信装置において、車の走行状態を判断する手段と、受信放送を記録/再生する手段と、走行中にテレビON操作がなされたとき、或いは、テレビONしているときに走行状態となったとき、テレビ映像表示をOFFすると共に受信放送を記録する手段と、走行停止時に追いかけ再生を行なう手段と、を備えたことを特徴とする車載型放送受信装置。In a vehicle-mounted broadcast receiving apparatus for receiving a broadcast, a means for determining a traveling state of a car, a means for recording / reproducing a received broadcast, and a television ON operation is performed during traveling or a television is turned on. An on-vehicle broadcast receiving apparatus comprising: means for turning off the television image display when the vehicle is in a running state and recording a received broadcast; and means for performing chase reproduction when the running is stopped. 請求項1に記載の車載型放送受信装置において、現在受信中の放送における音声だけは走行中でも出力できる設定が行なえるように構成されたことを特徴とする車載型放送受信装置。2. The on-vehicle broadcast receiving apparatus according to claim 1, wherein the on-vehicle broadcast receiving apparatus is configured to be able to output only the sound of the currently received broadcast while the vehicle is running. 請求項1又は請求項2に記載の車載型放送受信装置において、未再生の受信放送が存在する場合に、その旨のメッセージを表示し、再生するかどうか又は削除するかどうかをユーザが選択できるように構成されたことを特徴とする車載型放送受信装置。In the in-vehicle broadcast receiving apparatus according to claim 1 or 2, when there is an unplayed received broadcast, a message to that effect is displayed, and the user can select whether to play or delete. An on-vehicle broadcast receiving apparatus characterized by being configured as described above. 請求項3に記載の車載型放送受信装置において、前記メッセージに未再生の受信放送の番組に関する情報を含めて表示するように構成されたことを特徴とする車載型放送受信装置。4. The in-vehicle broadcast receiving apparatus according to claim 3, wherein the message includes information on a program of a received broadcast that has not been played back. 請求項1乃至請求項4のいずれかに記載の車載型放送受信装置において、GPSによる位置情報の変化の有無によって走行状態かどうかを判断するように構成されたことを特徴とする車載型放送受信装置。5. The on-vehicle broadcast receiving apparatus according to claim 1, wherein the on-vehicle broadcast receiving apparatus is configured to determine whether the vehicle is in a running state based on whether or not the position information has changed by GPS. apparatus.
JP2002346880A 2002-11-29 2002-11-29 On-vehicle broadcast receiver Pending JP2004180201A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
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JP2006025082A (en) * 2004-07-07 2006-01-26 Matsushita Electric Ind Co Ltd On-vehicle television recording and reproducing apparatus
JP2006121379A (en) * 2004-10-21 2006-05-11 Alpine Electronics Inc Digital television broadcast receiving apparatus
WO2006080494A1 (en) * 2005-01-31 2006-08-03 Pioneer Corporation Recording/reproducing device, recording/reproducing method, recording/reproducing program, and computer-readable recording medium
JP2007036682A (en) * 2005-07-27 2007-02-08 Alpine Electronics Inc Mobile digital broadcast receiver
WO2007072864A1 (en) * 2005-12-22 2007-06-28 Pioneer Corporation Content recording device, content recording method, content recording program and recording medium
JP2007237850A (en) * 2006-03-07 2007-09-20 Clarion Co Ltd Display control device, and method and program for controlling display control device
JP2009284255A (en) * 2008-05-22 2009-12-03 Casio Hitachi Mobile Communications Co Ltd Terminal device and program
GB2464944A (en) * 2008-10-30 2010-05-05 Nissan Motor Mfg Automotive entertainment system
US7825988B2 (en) 2004-09-28 2010-11-02 Clarion Co., Ltd. Vehicle-mounted displaying device employing TV program displaying method
US7869937B2 (en) * 2005-10-26 2011-01-11 Samsung Electronics Co., Ltd Method for processing multimedia broadcasting data in wireless terminal while driving vehicle
GB2495694A (en) * 2011-09-02 2013-04-24 Skype Limiting information displayed on a mobile device when its speed exceeds a predetermined threshold.
US9716859B2 (en) 2011-09-02 2017-07-25 Skype Mobile video calls

Cited By (15)

* Cited by examiner, † Cited by third party
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JP2006025082A (en) * 2004-07-07 2006-01-26 Matsushita Electric Ind Co Ltd On-vehicle television recording and reproducing apparatus
US7825988B2 (en) 2004-09-28 2010-11-02 Clarion Co., Ltd. Vehicle-mounted displaying device employing TV program displaying method
JP4522221B2 (en) * 2004-10-21 2010-08-11 アルパイン株式会社 Digital television broadcast receiver
JP2006121379A (en) * 2004-10-21 2006-05-11 Alpine Electronics Inc Digital television broadcast receiving apparatus
WO2006080494A1 (en) * 2005-01-31 2006-08-03 Pioneer Corporation Recording/reproducing device, recording/reproducing method, recording/reproducing program, and computer-readable recording medium
JP2007036682A (en) * 2005-07-27 2007-02-08 Alpine Electronics Inc Mobile digital broadcast receiver
US7869937B2 (en) * 2005-10-26 2011-01-11 Samsung Electronics Co., Ltd Method for processing multimedia broadcasting data in wireless terminal while driving vehicle
WO2007072864A1 (en) * 2005-12-22 2007-06-28 Pioneer Corporation Content recording device, content recording method, content recording program and recording medium
JP2007237850A (en) * 2006-03-07 2007-09-20 Clarion Co Ltd Display control device, and method and program for controlling display control device
JP2009284255A (en) * 2008-05-22 2009-12-03 Casio Hitachi Mobile Communications Co Ltd Terminal device and program
GB2464944A (en) * 2008-10-30 2010-05-05 Nissan Motor Mfg Automotive entertainment system
GB2495694A (en) * 2011-09-02 2013-04-24 Skype Limiting information displayed on a mobile device when its speed exceeds a predetermined threshold.
US8913100B2 (en) 2011-09-02 2014-12-16 Skype Mobile video calls
US9716859B2 (en) 2011-09-02 2017-07-25 Skype Mobile video calls
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