JP4393131B2 - In-vehicle receiver - Google Patents

In-vehicle receiver Download PDF

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JP4393131B2
JP4393131B2 JP2003280997A JP2003280997A JP4393131B2 JP 4393131 B2 JP4393131 B2 JP 4393131B2 JP 2003280997 A JP2003280997 A JP 2003280997A JP 2003280997 A JP2003280997 A JP 2003280997A JP 4393131 B2 JP4393131 B2 JP 4393131B2
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frequency
unit
switch
operation unit
operated
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JP2005051485A (en
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敬幸 坂根
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Sanyo Electric Co Ltd
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Tottori Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Sanyo Consumer Electronics Co Ltd
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Description

本発明は、ラジオやTVなどが受信可能な車載用受信装置に関する。   The present invention relates to a vehicle-mounted receiving apparatus that can receive radio, TV, and the like.

従来、車載用オーディオ装置のラジオの受信周波数の変更方法は、二つの押しボタンスイッチを設け、その押しボタンスイッチを押下する毎に受信周波数を所定間隔で順方向または逆方向に切替えるようになっている。そして更に上述した押しボタンスイッチを所定時間押下し続けると、連続的に受信周波数を切替え、受信した電波が所定値以上の電界強度を有する周波数になると、その周波数で切替えを停止するサーチ動作が行われるものもある。   Conventionally, a method for changing a radio reception frequency of an in-vehicle audio apparatus is provided with two push button switches, and each time the push button switch is pressed, the reception frequency is switched in a forward direction or a reverse direction at a predetermined interval. Yes. If the above-described pushbutton switch is continuously pressed for a predetermined time, the reception frequency is continuously switched. When the received radio wave has a frequency having a field strength equal to or higher than a predetermined value, a search operation is performed to stop switching at that frequency. Some are also known.

また、受信周波数の変更方法は上述した方法以外に、ロータリースイッチを設け、その回転操作によって周波数を変更するようにしたものもある。   In addition to the method described above, there is a method of changing the reception frequency by providing a rotary switch and changing the frequency by rotating it.

しかしながら、二つの押しボタンスイッチを設け、サーチ動作を行う場合、ボタンを押下したときの周波数から目的の周波数までの間に所定値以上の電界強度を有する周波数が多数存在する場合、その都度サーチ動作が停止しユーザは再度押しボタンを押下しなければならず使い勝手が悪いものであった。   However, when two push button switches are provided and a search operation is performed, if there are many frequencies having an electric field strength of a predetermined value or more between the frequency when the button is pressed and the target frequency, the search operation is performed each time. And the user had to press the push button again, which was unusable.

また、ロータリースイッチを設け、その回転操作によって周波数を変更するようにしたものはユーザが所望する放送局の周波数を知らなければ選局できない。さらに現在受信している周波数と目的の周波数とが離れている場合は、ロータリースイッチを多く回転操作させなければならず、その間、周波数を表示する表示部を見続けることになる為、運転中の操作は非常に危険であった。   In addition, if a rotary switch is provided and the frequency is changed by the rotation operation, the user cannot select a channel without knowing the frequency of the broadcast station desired by the user. Furthermore, if the frequency currently being received and the target frequency are far from each other, the rotary switch must be rotated many times, and during that time, the display unit that displays the frequency will continue to be displayed. The operation was very dangerous.

本発明は上記の点に鑑みなされたものであり、少ないスイッチ操作で且つ容易に所望の周波数への切替えが可能な車載用受信装置を提供することを目的とする。   The present invention has been made in view of the above points, and an object of the present invention is to provide an in-vehicle receiver that can be easily switched to a desired frequency with a small number of switch operations.

上記目的を達成するために本発明の車載用受信装置は、第1操作部と、第2操作部と、放送を受信する受信部と、前記第1操作部の操作に応じて前記受信部で受信する放送の周波数を第1間隔で変化させるように制御し、前記第2操作部の操作に応じて予め定められた制御を行う制御手段と、を備えた車載用受信装置において、
前記制御手段は、前記第1操作部が操作された後に前記第2操作部が操作されると、前記予め定められた制御は行わず前記第1間隔よりも大きい第2間隔で前記受信部で受信する放送の周波数を変化させ、前記第1操作部が操作されてから所定時間以後に前記第2操作部が操作されたときは、前記予め定められた制御を行うことを特徴とする。
In order to achieve the above object, a vehicle-mounted receiving device according to the present invention includes a first operating unit, a second operating unit, a receiving unit that receives broadcasts, and a receiving unit that operates according to an operation of the first operating unit. In a vehicle-mounted receiving device comprising: control means for controlling the frequency of a broadcast to be received to change at a first interval, and performing a predetermined control according to the operation of the second operation unit,
When the second operation unit is operated after the first operation unit is operated, the control unit does not perform the predetermined control, and the receiving unit performs at the second interval larger than the first interval. The frequency of the broadcast to be received is changed, and when the second operation unit is operated after a predetermined time after the first operation unit is operated, the predetermined control is performed.

また、前記第1操作部が操作されてから所定時間以後に前記第2操作部が操作されたとき、前記第2操作部は操作されることにより前記受信部で受信する放送の音量を変化させることを特徴とする。   In addition, when the second operation unit is operated after a predetermined time after the first operation unit is operated, the second operation unit is operated to change the volume of the broadcast received by the receiving unit. It is characterized by that.

また、前記第1操作部は前記受信部により受信される周波数を高い周波数へ変化させるスイッチと低い周波数へ変化させるスイッチとであり、第2操作部は一方へ回転させると高い周波数へ変化させ他方へ回転させると低い周波数へ変化させるロータリースイッチであることを特徴とする。   The first operation unit is a switch for changing the frequency received by the reception unit to a high frequency and a switch for changing the frequency to a low frequency, and the second operation unit is changed to a high frequency when rotated to the other side. It is a rotary switch that changes to a lower frequency when rotated to.

本発明の車載用受信装置によれば、周波数を所定間隔毎に切替える第1のスイッチと、第1のスイッチで切替えられる周波数間隔よりも広い間隔で周波数を切替える第2のスイッチとを備えることにより、現在受信している周波数と目的の周波数とが離れている場合でも素早く目的の周波数へ切替えることができる。   According to the vehicle-mounted receiving device of the present invention, by including the first switch that switches the frequency at predetermined intervals, and the second switch that switches the frequency at a wider interval than the frequency interval switched by the first switch. Even when the currently received frequency is far from the target frequency, it is possible to quickly switch to the target frequency.

また、本発明によれば、前記第2のスイッチは、モードの切替えによって、周波数の切替えが可能なモードの場合は周波数を切替えるスイッチとして機能し、周波数の切替えが可能でないモードの場合は周波数の切替え以外のスイッチとして機能することにより、前記第2のスイッチを単独のスイッチとして設ける必要がない。即ち、他の機能を有したスイッチと兼用することで、限られた操作部のスペースを有効に利用することができる。   Further, according to the present invention, the second switch functions as a switch for switching the frequency when the mode can be switched by switching the mode, and when the mode is not capable of switching the frequency, the second switch functions as a frequency switch. By functioning as a switch other than switching, it is not necessary to provide the second switch as a single switch. In other words, the limited space of the operation unit can be effectively used by combining with a switch having other functions.

また、本発明によれば、前記第2のスイッチは周波数の切替えが可能でないモードの場合は、受信時の音量を調節する音量調整スイッチとして機能することができる。通常、音量調整スイッチはロータリースイッチが採用されることが多く、このロータリースイッチを回転操作することにより、より素早く、容易に所望の周波数へ切替えることができる。   Further, according to the present invention, the second switch can function as a volume adjustment switch for adjusting the volume at the time of reception in a mode in which the frequency cannot be switched. In general, a rotary switch is often used as the volume control switch, and by rotating the rotary switch, it is possible to switch to a desired frequency more quickly and easily.

また、本発明によれば、前記第1のスイッチは、周波数を切替えるスイッチと、モードの切替えを行うモード切替えスイッチと兼用することができる。周波数の切替えに関するこのスイッチを押下すれば周波数の切替えが可能なモードになるので、専用のモード選択キーを設ける必要がなく、更に使用者は迷うことなくモードの切替えを行うことができる。   Further, according to the present invention, the first switch can be used as both a switch for switching a frequency and a mode switch for switching a mode. If this switch relating to frequency switching is pressed, a mode in which the frequency can be switched is set. Therefore, it is not necessary to provide a dedicated mode selection key, and the user can switch the mode without hesitation.

また、本発明によれば、周波数の切替えが可能なモードのときに、前記第1又は第2のスイッチが所定時間操作されない場合は、周波数の切替えが可能でないモードに切替わるので、使用者は迷うことなく第2のスイッチを操作することができる。   Further, according to the present invention, when the first or second switch is not operated for a predetermined time in the mode in which the frequency can be switched, the user switches to the mode in which the frequency cannot be switched. The second switch can be operated without hesitation.

以下に本発明の実施形態を図面を参照して説明する。図1は車載用受信装置10の正面図である。   Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the in-vehicle receiving device 10.

図1の車載用受信装置10は、それぞれの機能が与えられた複数のスイッチ11a〜11mが備えられた操作部12と、LCDからなる表示部13と、CDまたはMD等の記録媒体を装填する装填部14とから構成されている。また、11aは時計回り/反時計回りに回転させることにより音量を調節できる音量調節スイッチであると共に、受信する周波数を切替える周波数切替えモードの場合には所定の周波数毎(例えばFM受信時には1Mkz)に周波数を切替える切替えスイッチとして機能する。11bは押下によって所定の周波数毎(例えばFM受信時には0.1MHz)に周波数を切替えるスイッチとしてのUP/DOWNキーである。尚、UP/DOWNキーを所定時間押下し続けると、所定値以上の電界強度を有する周波数まで順次周波数を切替えるサーチ動作が行われるようになっている。11mは受信するバンド(例えばFM、AM、TV)を切替えるバンド切替えスイッチである。11g〜11lはそれぞれのスイッチに予め所定の周波数を割り当て、スイッチの押下によって割り当てられた周波数に切替えるスイッチである。11c〜11fは装填部14に装填されたCDまたはMDの再生動作に関するスイッチであるがここでは説明を省略する。   The in-vehicle receiving apparatus 10 in FIG. 1 is loaded with an operation unit 12 provided with a plurality of switches 11a to 11m provided with respective functions, a display unit 13 formed of an LCD, and a recording medium such as a CD or MD. And a loading unit 14. Reference numeral 11a denotes a volume adjustment switch capable of adjusting the volume by rotating clockwise / counterclockwise, and at a predetermined frequency (for example, 1 Mkz at the time of FM reception) in the frequency switching mode for switching the reception frequency. Functions as a changeover switch for changing the frequency. Reference numeral 11b denotes an UP / DOWN key as a switch for switching the frequency every predetermined frequency (for example, 0.1 MHz when receiving FM) when pressed. If the UP / DOWN key is continuously pressed for a predetermined time, a search operation for sequentially switching the frequency to a frequency having an electric field strength equal to or higher than a predetermined value is performed. Reference numeral 11m denotes a band changeover switch for changing the band to be received (for example, FM, AM, TV). 11g to 11l are switches that assign a predetermined frequency to each switch in advance and switch to the assigned frequency by pressing the switch. Reference numerals 11c to 11f are switches relating to the reproduction operation of the CD or MD loaded in the loading unit 14, but the description thereof is omitted here.

図2は図1の車載用受信装置10の要部の構成を示すブロック図である。車載用受信装置10の動作を制御する制御部20に、操作部12、表示部13、記憶部21、受信部22、記録媒体再生制御部23が接続されている。更に、受信部22にはアンテナ24が接続され、記録媒体再生制御部23には記録媒体装填部14が接続されている。   FIG. 2 is a block diagram showing a configuration of a main part of the in-vehicle receiving device 10 of FIG. An operation unit 12, a display unit 13, a storage unit 21, a reception unit 22, and a recording medium reproduction control unit 23 are connected to the control unit 20 that controls the operation of the in-vehicle receiving device 10. Further, an antenna 24 is connected to the receiving unit 22, and a recording medium loading unit 14 is connected to the recording medium reproduction control unit 23.

記憶部21は制御部20の動作プログラムや操作部12のスイッチ11a〜11mの機能が記憶され、更にスイッチ11g〜11lに対応付けられた受信周波数が記憶されている。また受信部22は制御部20の基でアンテナ23より受信した電波を復調し音声信号に変換する。また、記録媒体制御部23は制御部20の基で記録媒体の情報を読み出し、再生信号に変換する。   The storage unit 21 stores an operation program of the control unit 20 and functions of the switches 11a to 11m of the operation unit 12, and further stores reception frequencies associated with the switches 11g to 11l. The receiving unit 22 demodulates the radio wave received from the antenna 23 based on the control unit 20 and converts it into an audio signal. The recording medium control unit 23 reads information on the recording medium based on the control unit 20 and converts it into a reproduction signal.

次に、受信周波数の切替え方法について説明する。図3は、車載用受信装置10の動作を示すフローチャートである。スイッチ11mの押下によってFM・AM・TVの中から所望のバンドが選択されると、表示部13に現在受信している周波数を表示する(ステップS10)。ステップS10以降はFMが選択された場合で説明する。尚、AM又はTVが選択された場合は、下記に説明する周波数の変更幅をそれぞれ適切な値で行えばよく、車載用受信装置の動作は実質同様に行えばよいのでここでは省略する。   Next, a method for switching the reception frequency will be described. FIG. 3 is a flowchart showing the operation of the in-vehicle receiving device 10. When a desired band is selected from FM / AM / TV by pressing the switch 11m, the currently received frequency is displayed on the display unit 13 (step S10). Steps S10 and after will be described when FM is selected. When AM or TV is selected, the frequency change width described below may be performed with an appropriate value, and the operation of the in-vehicle receiving apparatus may be performed in substantially the same manner, and is omitted here.

ステップS11において、UP/DOWNキー11bが押下されると、制御部20内に設けられたタイマー(図示せず)をスタートさせ、ステップS12に進んで受信する周波数を切替えることができる周波数切替えモードとなり、周波数切替えモードであることを表示部13に表示する。そして、ステップS12からステップS13に進んでUP/DOWNキー11bが押下されたか否かを判定する。ステップS13においてUP/DOWNキー11bが押下されると(ステップS13のY)、ステップS14へ進んでUP/DOWNキー11bが所定時間押下されたか否かを判定する。ステップS14において、UP/DOWNキー11bが所定時間押下されないと(ステップS14のN)、ステップS15において現在受信している周波数よりも0.1MHz大きい又は小さい周波数を受信する。   When the UP / DOWN key 11b is pressed in step S11, a timer (not shown) provided in the control unit 20 is started, and the process proceeds to step S12 to enter a frequency switching mode in which the frequency to be received can be switched. The display unit 13 displays the frequency switching mode. Then, the process proceeds from step S12 to step S13 to determine whether or not the UP / DOWN key 11b has been pressed. If the UP / DOWN key 11b is pressed in step S13 (Y in step S13), the process proceeds to step S14 to determine whether the UP / DOWN key 11b has been pressed for a predetermined time. In step S14, if the UP / DOWN key 11b is not pressed for a predetermined time (N in step S14), a frequency that is 0.1 MHz higher or lower than the frequency currently received in step S15 is received.

また、ステップS14において、UP/DOWNキー11bが所定時間以上押下されると(ステップS14のY)、ステップS16に進んで周波数を連続的に切替えるサーチ動作を行う。そして受信した電波の電界強度が所定値以上となる周波数があると(ステップS17のY)、ステップS18に進んで、サーチ動作を解除しその周波数を受信する。   In step S14, when the UP / DOWN key 11b is pressed for a predetermined time or longer (Y in step S14), the process proceeds to step S16 to perform a search operation for continuously switching the frequency. If there is a frequency at which the electric field intensity of the received radio wave is equal to or higher than a predetermined value (Y in step S17), the process proceeds to step S18, the search operation is canceled, and the frequency is received.

ステップS15で周波数を切替えるか又はステップS18においてサーチ動作を解除すると、ステップS19に進んで、制御部20に設けられたタイマー(図示せず)をリセットし、UP/DOWNキー11bが押下されてからの時間を計時する。   When the frequency is switched in step S15 or the search operation is canceled in step S18, the process proceeds to step S19, a timer (not shown) provided in the control unit 20 is reset, and the UP / DOWN key 11b is pressed. Time is measured.

ステップS13においてUP/DOWNキー11bの押下がない(ステップS13のN)か、ステップS19においてUP/DOWNキー11bの押下によってタイマーがリセットされると、ステップS20において音量調節スイッチ11aが操作されたか否かを判定する。ステップS20で音量調節スイッチ11aが操作されたと判定されると(ステップS20のY)、ステップS21において現在受信している周波数よりも1MHz大きい又は小さい周波数を受信する。そして、ステップS21からステップS22に進んで、上述した制御部20に設けられたタイマーをリセットし、音量調節スイッチが操作されてからの時間を計時する。   If the UP / DOWN key 11b is not pressed in step S13 (N in step S13) or if the timer is reset by pressing the UP / DOWN key 11b in step S19, whether or not the volume control switch 11a is operated in step S20. Determine whether. If it is determined in step S20 that the volume control switch 11a has been operated (Y in step S20), a frequency 1 MHz larger or smaller than the frequency currently received in step S21 is received. And it progresses to step S22 from step S21, the timer provided in the control part 20 mentioned above is reset, and time after a volume control switch is operated is timed.

また、ステップS20において音量調節スイッチが操作さていないと判定されると(ステップS23のN)、ステップS23に進んで、UP/DOWNキー11b又は音量調節キー11aが所定時間のあいだ操作されたか否かを判定する。ステップS23において、UP/DOWNキー11b又は音量調節キー11aが所定時間の間操作されていないと判定されると(ステップS23のY)、ステップS24に進んで、周波数切替えモードを解除し、表示部13に表示していた周波数切替えモードであることの表示を消す。   If it is determined in step S20 that the volume control switch has not been operated (N in step S23), the process proceeds to step S23, and whether or not the UP / DOWN key 11b or the volume control key 11a has been operated for a predetermined time. Determine. If it is determined in step S23 that the UP / DOWN key 11b or the volume adjustment key 11a has not been operated for a predetermined time (Y in step S23), the process proceeds to step S24 to cancel the frequency switching mode and display the display unit. The display indicating that the mode is the frequency switching mode displayed in FIG.

なお、上述した周波数の切替えの間隔はUP/DOWNキー11b操作時には0.1MHz、音量調節スイッチ11a操作時には1MHzとしたがこれに限定されるものではなく、受信するバンドによって変更しても良い。   The frequency switching interval described above is 0.1 MHz when the UP / DOWN key 11b is operated, and 1 MHz when the volume control switch 11a is operated. However, the present invention is not limited to this and may be changed depending on the band to be received.

また、上述した実施例では1MHz毎に周波数を増減させるキーを音量調節キー11aにしたが、操作部12に設けられた他のスイッチを利用してもよい。

In the embodiment described above, the volume adjustment key 11a is used as the key for increasing / decreasing the frequency every 1 MHz. However, other switches provided on the operation unit 12 may be used.

本発明の車載用受信装置の正面図である。It is a front view of the vehicle-mounted receiving apparatus of this invention. 本発明の車載用受信装置の要部の構成を示すブロック図である。It is a block diagram which shows the structure of the principal part of the vehicle-mounted receiving apparatus of this invention. 本発明の車載用受信装置の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the vehicle-mounted receiving apparatus of this invention.

符号の説明Explanation of symbols

10 車載用受信装置
11a 音量調節スイッチ
11b UP/DOWNキー
12 操作部
DESCRIPTION OF SYMBOLS 10 In-vehicle receiver 11a Volume control switch 11b UP / DOWN key 12 Operation part

Claims (3)

第1操作部と、第2操作部と、放送を受信する受信部と、前記第1操作部の操作に応じて前記受信部で受信する放送の周波数を第1間隔で変化させるように制御し、前記第2操作部の操作に応じて予め定められた制御を行う制御手段と、を備えた車載用受信装置において、The first operation unit, the second operation unit, the receiving unit that receives the broadcast, and the frequency of the broadcast that is received by the receiving unit according to the operation of the first operation unit is controlled to change at the first interval. A vehicle-mounted receiving device comprising: a control unit that performs predetermined control according to the operation of the second operation unit;
前記制御手段は、前記第1操作部が操作された後に前記第2操作部が操作されると、前記予め定められた制御は行わず前記第1間隔よりも大きい第2間隔で前記受信部で受信する放送の周波数を変化させ、前記第1操作部が操作されてから所定時間以後に前記第2操作部が操作されたときは、前記予め定められた制御を行うことを特徴とする車載用受信装置。  When the second operation unit is operated after the first operation unit is operated, the control unit does not perform the predetermined control, and the receiving unit performs at the second interval larger than the first interval. In-vehicle use, wherein the frequency of a broadcast to be received is changed, and the predetermined control is performed when the second operation unit is operated after a predetermined time since the first operation unit is operated. Receiver device.
前記第1操作部が操作されてから所定時間以後に前記第2操作部が操作されたとき、前記第2操作部は操作されることにより前記受信部で受信する放送の音量を変化させることを特徴とする請求項1に記載の車載用受信装置。 When the second operation unit is operated after a predetermined time from the operation of the first operation unit , the second operation unit is operated to change the volume of the broadcast received by the reception unit. The in-vehicle receiving device according to claim 1, wherein the receiving device is in-vehicle. 前記第1操作部は前記受信部により受信される周波数を高い周波数へ変化させるスイッチと低い周波数へ変化させるスイッチとであり、第2操作部は一方へ回転させると高い周波数へ変化させ他方へ回転させると低い周波数へ変化させるロータリースイッチであることを特徴とする請求項1又は2に記載の車載用受信装置。 The first operation unit is a switch for changing the frequency received by the reception unit to a high frequency and a switch for changing to a low frequency, and the second operation unit is changed to a high frequency when rotated to one side and rotated to the other side. The on-vehicle receiver according to claim 1, wherein the on-vehicle receiver is a rotary switch that changes the frequency to a low frequency.
JP2003280997A 2003-07-28 2003-07-28 In-vehicle receiver Expired - Fee Related JP4393131B2 (en)

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