JP2016076754A - Emergency notice broadcast receiver - Google Patents

Emergency notice broadcast receiver Download PDF

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JP2016076754A
JP2016076754A JP2014204365A JP2014204365A JP2016076754A JP 2016076754 A JP2016076754 A JP 2016076754A JP 2014204365 A JP2014204365 A JP 2014204365A JP 2014204365 A JP2014204365 A JP 2014204365A JP 2016076754 A JP2016076754 A JP 2016076754A
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frequency
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reception
reception intensity
radio waves
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JP6314780B2 (en
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秀喜 飯沼
Hideki Iinuma
秀喜 飯沼
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Nakayo Inc
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Abstract

PROBLEM TO BE SOLVED: To automatically measure the reception strength of a frequency, at which disaster information is broadcast, for each region, and to make the operator select the frequency of reception strength of certain value or more, or to set the frequency of maximum reception strength as a broadcast reception frequency.SOLUTION: A reception strength measurement activation unit 5 activates a reception strength measurement unit 6 when a predetermined time elapses after a currently set broadcast reception frequency is set. A reception strength presentation unit 3 presents information about the reception strength of a plurality of broadcast radio waves measured by the reception strength measurement unit 6, when the reception strength of currently set broadcast reception frequency is less than a predetermined reception strength, a reception frequency setting unit 7 sets the selected frequency as the broadcast reception frequency, when frequency selection operation is performed in a predetermined time, and automatically sets the frequency of broadcast radio waves having the strongest reception strength, out of the plurality of broadcast radio waves measured by the reception strength measurement unit 6, as the broadcast reception frequency, when frequency selection operation is not performed.SELECTED DRAWING: Figure 1

Description

本発明は、電波の受信強度を自動で測定し、放送エリアを意識することなく緊急告知放送を受信する緊急告知放送受信装置に関する。   The present invention relates to an emergency notification broadcast receiving apparatus that automatically measures reception intensity of radio waves and receives an emergency notification broadcast without being conscious of the broadcast area.

従来、災害情報を通知する手段として、各市町村で防災無線を適用している。しかし、防災無線では、スピーカーの音声が届かない場所が存在し、災害情報をすべての人が聴取することは不可能である。これを補うために、災害に関する情報を伝える放送である緊急告知放送が地震や津波等の災害発生時に放送された際に、ラジオなどの受信機やテレビジョン等に搭載された特定の機能を持つ受信機を自動的に動作させる技術が存在する(例えば特許文献1)。   Conventionally, as a means of notifying disaster information, disaster prevention radio is applied in each municipality. However, in disaster prevention radio, there are places where the sound of the speaker does not reach, and it is impossible for everyone to listen to disaster information. To compensate for this, when an emergency notification broadcast, which is a broadcast that conveys information about disasters, is broadcast in the event of a disaster such as an earthquake or tsunami, it has a specific function that is installed in a receiver such as a radio or a television. There is a technique for automatically operating a receiver (for example, Patent Document 1).

しかしながら、特許文献1の方法によると、市町村ごとに複数の周波数が存在する緊急告知放送において、受信機を別の市町村に移動または移設した場合に災害情報を受信することができないといった問題があった。移動手段については、徒歩、車、電車、船、飛行機等による。   However, according to the method of Patent Document 1, there is a problem that in emergency notification broadcasting in which a plurality of frequencies exist for each municipality, disaster information cannot be received when the receiver is moved or moved to another municipality. . The means of transportation is by foot, car, train, ship, airplane, etc.

特開2008−160789号公報JP 2008-160789 A

そこで、本発明の課題は、地域ごとに災害情報を放送している周波数の受信強度を自動で測定して、一定値以上の受信強度の周波数を操作者に選択させる、または受信強度が最大の周波数を放送受信周波数として設定することにある。   Therefore, an object of the present invention is to automatically measure the reception intensity of the frequency at which disaster information is broadcast for each region, and to let the operator select a frequency with a reception intensity equal to or higher than a certain value, or to receive the maximum reception intensity. The frequency is set as a broadcast reception frequency.

上記、課題を解決するために本発明は、予め定められた複数の放送電波のいずれかを受信する放送受信装置であって、前記複数の放送電波の周波数および放送地域および放送局の系列に係る情報を予め関連付けて記憶しておく放送情報記憶手段と、前記放送情報記憶手段に記憶されている複数の周波数の全てまたは一部の周波数に対応する複数の放送電波を順次受信し前記受信した放送電波の各々の受信強度を測定する受信強度測定手段と、前記受信強度測定手段を定期的または非定期に起動する受信強度測定起動手段と、前記受信強度測定手段が測定した受信強度に係る情報を前記操作者へ提示する受信強度提示手段と、前記複数の周波数のいずれかを自受信装置を操作する操作者に選択させる操作者周波数選択手段と、前記複数の周波数のいずれかを放送受信周波数として設定する受信周波数設定手段と、を有し、前記受信強度測定起動手段は、現在設定されている放送受信周波数が設定されてから所定の時間が経過したか否かを判定し、所定の時間が経過したと判定した場合に前記受信強度測定手段を起動し、前記受信強度提示手段は、現在設定されている放送受信周波数による放送電波の受信強度が予め定められた所定の受信強度未満であった場合に、前記受信強度測定手段が測定した複数の放送電波の受信強度に係る情報を提示し、前記受信周波数設定手段は、前記受信強度提示手段が提示した情報に対し所定の時間内に周波数を選択する操作が為された場合に、前記選択された周波数を前記放送受信周波数として設定し、前記所定の時間内に周波数を選択する操作が為されなかった場合に、前記受信強度測定手段が測定した複数の放送電波の内、最も受信強度が強い放送電波の周波数を放送受信周波数として自動的に設定することを特徴とする。   In order to solve the above-described problems, the present invention is a broadcast receiving apparatus that receives any one of a plurality of predetermined broadcast radio waves, and relates to a frequency of the plurality of broadcast radio waves, a broadcasting area, and a series of broadcasting stations. Broadcast information storage means for storing information in association with each other in advance, and a plurality of broadcast radio waves corresponding to all or some of the plurality of frequencies stored in the broadcast information storage means for sequentially receiving the received broadcast Received intensity measuring means for measuring the received intensity of each radio wave, received intensity measurement starting means for activating the received intensity measuring means regularly or irregularly, and information on the received intensity measured by the received intensity measuring means. A reception intensity presenting means for presenting to the operator; an operator frequency selecting means for causing an operator operating the own receiving apparatus to select one of the plurality of frequencies; and the plurality of frequencies. Receiving frequency setting means for setting any one as a broadcast receiving frequency, and the reception intensity measurement starting means determines whether or not a predetermined time has elapsed since the currently set broadcast receiving frequency is set. When the determination is made and it is determined that a predetermined time has elapsed, the reception intensity measurement unit is activated, and the reception intensity presentation unit is configured to determine a predetermined reception intensity of a broadcast radio wave at a currently set broadcast reception frequency. If the received signal strength is less than the received signal strength, it presents information related to the received strength of the plurality of broadcast radio waves measured by the received signal strength measuring means, and the received frequency setting means responds to the information presented by the received signal strength presenting means. When an operation for selecting a frequency within a predetermined time is performed, the selected frequency is set as the broadcast reception frequency, and an operation for selecting a frequency within the predetermined time is performed. When it is not, among the plurality of broadcast waves which the reception intensity measuring means has measured, characterized in that it automatically sets the frequency of the highest reception intensity is high airwaves as a broadcast receiving frequency.

本発明によれば、受信機を移動させても地域ごとに災害情報を放送している周波数の受信強度を自動で測定して、受信強度が最大の周波数を放送受信周波数として設定する。または、受信強度が一定値以上の周波数を操作者に選択させる受信装置を提供できる。   According to the present invention, even if the receiver is moved, the reception intensity of the frequency at which disaster information is broadcast for each region is automatically measured, and the frequency with the maximum reception intensity is set as the broadcast reception frequency. Alternatively, it is possible to provide a receiving device that allows the operator to select a frequency having a reception intensity equal to or higher than a certain value.

本発明による緊急告知放送受信装置に関わるブロック構成図である。It is a block block diagram in connection with the emergency notification broadcast receiver by this invention. 本発明による緊急告知放送受信装置の放送受信周波数テーブルである。It is a broadcast reception frequency table of the emergency notification broadcast receiving apparatus by this invention. 本発明による緊急告知放送受信装置の動作フローチャートである。3 is an operation flowchart of the emergency notification broadcast receiving apparatus according to the present invention.

以下、本発明の実施形態について図面を参照しながら説明する。本発明による緊急告知放送受信装置を本装置と略すこともある。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. The emergency notification broadcast receiving apparatus according to the present invention may be abbreviated as this apparatus.

図1は本発明による緊急告知放送受信装置1に係るブロック構成図である。本装置1は、受信部2、受信強度提示部3、操作部4、受信強度測定起動部5、受信強度測定部6、受信周波数設定部7、放送情報記憶部8、音声出力部9、制御部10から構成される。   FIG. 1 is a block diagram showing an emergency notification broadcast receiving apparatus 1 according to the present invention. The apparatus 1 includes a reception unit 2, a reception intensity presentation unit 3, an operation unit 4, a reception intensity measurement activation unit 5, a reception intensity measurement unit 6, a reception frequency setting unit 7, a broadcast information storage unit 8, an audio output unit 9, a control The unit 10 is configured.

ここで、緊急告知放送とは、地域コミュニティラジオ局等が災害他に係る緊急情報の放送を行うものである。緊急告知放送の開始・終了時は、緊急告知放送を行う事業者が開始・終了用のDTMF信号を送信し、これにより待機状態の受信機を起動、又は待機状態に戻す。開始・終了信号はDTMF信号の他にも自然音を使用した方式も存在する。緊急告知放送の信号には、災害の開始・災害の終了の情報の他に、災害の種別情報(地震、津波、風水害等)や、緊急告知放送を提供するエリアの選択情報が含まれている。緊急告知放送の情報は、緊急告知放送を行う事業者が、緊急告知放送の情報を任意に変更することが可能である。   Here, the emergency notification broadcast is a broadcast of emergency information related to a disaster or the like by a local community radio station or the like. At the start / end of the emergency notification broadcast, the operator that performs the emergency notification broadcast transmits a DTMF signal for start / end, thereby starting or returning the standby receiver to the standby state. In addition to the DTMF signal, there are systems using natural sound as the start / end signal. The emergency notification broadcast signal includes disaster type information (earthquakes, tsunamis, storms and floods, etc.) and area selection information for providing emergency notification broadcasts in addition to disaster start / end information. . The information on the emergency notification broadcast can be changed arbitrarily by the operator who performs the emergency notification broadcast.

受信強度測定起動部5は、受信強度測定部6を起動する手段である。放送受信周波数が設定されてから一定時間経過した場合(例えば2時間)、または電源が投入された時に受信強度測定部6を起動する。   The reception intensity measurement starting unit 5 is means for starting the reception intensity measurement unit 6. When a certain time has passed since the broadcast reception frequency was set (for example, 2 hours), or when the power is turned on, the reception intensity measurement unit 6 is activated.

ここで、一定時間経過したか否かの判断方法として、例えば、図示しないメモリー(例えば、EE−PROM、FLASH−ROM等、電源がOFF状態でも情報が消えないメモリー)に放送受信周波数を設定した時刻を記憶しておき、一定時間経過したか判断する時にメモリーに記憶した放送受信周波数を設定した時間と、図示しないリアルタイムクロックを使用して現在の時間を比較すればよい。 Here, as a method for determining whether or not a certain period of time has passed, for example, the broadcast reception frequency is set in a memory (not shown) (for example, EE-PROM, FLASH-ROM or the like in which information is not lost even when the power is turned off). The time is stored, and the time set for the broadcast reception frequency stored in the memory when determining whether a certain time has elapsed may be compared with the current time using a real time clock (not shown).

受信強度測定部6は、制御部10が受信強度測定部6を起動するタイミングを受信強度測定起動部5から受け取ることで起動される。放送情報記憶部8の放送受信周波数テーブル(図2に後述する)に記憶されている周波数の受信強度を測定し、測定した受信強度を更新する。   The reception intensity measurement unit 6 is activated when the control unit 10 receives from the reception intensity measurement activation unit 5 the timing at which the reception intensity measurement unit 6 is activated. The reception intensity of the frequency stored in the broadcast reception frequency table (described later in FIG. 2) of the broadcast information storage unit 8 is measured, and the measured reception intensity is updated.

放送情報記憶部8は、放送受信周波数テーブルを記憶する。   The broadcast information storage unit 8 stores a broadcast reception frequency table.

受信強度提示部3は、受信強度測定部6によって測定された一定値以上の受信強度を有する周波数に係る情報を利用者にLCD等により提示する表示機器である。   The reception intensity presentation unit 3 is a display device that presents information related to a frequency having a reception intensity equal to or higher than a certain value measured by the reception intensity measurement unit 6 to the user using an LCD or the like.

操作部4は、本装置1の操作を行う為のボタン、キーボード、タッチパネル等により構成される入力機器である。   The operation unit 4 is an input device configured with buttons, a keyboard, a touch panel, and the like for operating the apparatus 1.

受信周波数設定部7は、受信強度提示部3が提示した周波数を操作部4から一定時間内(たとえば数分)に選択された場合、選択された周波数を受信すべき周波数として設定し、選択されなかった場合、一定値以上の受信強度を有する周波数のうち、受信強度が最も強い周波数を受信すべき周波数として設定する。   The reception frequency setting unit 7 sets the selected frequency as a frequency to be received and is selected when the frequency presented by the reception intensity presentation unit 3 is selected within a certain time (for example, several minutes) from the operation unit 4. If not, a frequency having the strongest reception strength among frequencies having a reception strength of a certain value or more is set as a frequency to be received.

受信部2は、予め定められた放送周波数を受信する手段であって、受信周波数設定部7で設定された周波数または、受信強度測定部6で指定された周波数を受信する。   The receiving unit 2 is means for receiving a predetermined broadcast frequency, and receives a frequency set by the receiving frequency setting unit 7 or a frequency specified by the reception intensity measuring unit 6.

音声出力部9は、受信周波数設定部7で設定された受信周波数の音声を出力する。   The sound output unit 9 outputs the sound having the reception frequency set by the reception frequency setting unit 7.

制御部10は、本装置1の全般を制御する手段であって、受信部2、受信強度提示部3、受信強度測定起動部5、受信強度測定部6、受信周波数設定部7の各部とデータを授受し制御する。例えば、受信部2から予め定められた周波数を受信し、受信強度測定起動部5から受信強度測定部6を起動するタイミグを受け取り、受信強度測定部を起動する。   The control unit 10 is a means for controlling the entire apparatus 1. The control unit 10 includes a receiving unit 2, a received strength presentation unit 3, a received strength measurement starting unit 5, a received strength measuring unit 6, and a received frequency setting unit 7 and data. Give and receive control. For example, a predetermined frequency is received from the reception unit 2, a timing for starting the reception intensity measurement unit 6 is received from the reception intensity measurement activation unit 5, and the reception intensity measurement unit is activated.

図2は、本発明による緊急告知放送受信装置1の放送受信周波数テーブルに記憶される内容例を模式的に示した図である。放送受信周波数テーブル200は、緊急告知放送の放送局の周波数を示す列201と、列201の周波数が使用されている地域の情報を示す列202と、列202の地域で放送されている放送局の情報を示す列203と、受信周波数設定部7で設定された周波数を示す列204と、受信強度測定部6で測定した受信強度を示す列205と、受信強度測定部6で測定した受信強度が一定値以上の受信強度を有する選択可能な周波数を示す列206より構成され、行207ごとに記憶されている。   FIG. 2 is a diagram schematically showing an example of contents stored in the broadcast reception frequency table of the emergency notification broadcast receiving apparatus 1 according to the present invention. The broadcast reception frequency table 200 includes a column 201 indicating the frequency of a broadcast station for emergency notification broadcasting, a column 202 indicating information on a region where the frequency of the column 201 is used, and a broadcast station broadcasting in the region of the column 202. , A column 203 indicating the frequency set by the reception frequency setting unit 7, a column 205 indicating the reception intensity measured by the reception intensity measurement unit 6, and a reception intensity measured by the reception intensity measurement unit 6 Is composed of a column 206 indicating selectable frequencies having a reception intensity of a certain value or more, and is stored for each row 207.

放送受信周波数テーブル200は、列201、列202、列203を予め記憶しておく。例えば、周波数が76.3Mhzの放送局はA市とB市であり、A市の放送局はABC系列Aコミュニティー放送局、B市の放送局はDEF系列のBコミュニティー放送局である。   The broadcast reception frequency table 200 stores a column 201, a column 202, and a column 203 in advance. For example, the broadcasting stations with a frequency of 76.3 Mhz are A city and B city, the broadcasting stations of A city are ABC affiliated A community broadcasting stations, and the broadcasting station of B city is a DEF affiliated B community broadcasting station.

図3は、本発明による緊急告知放送受信装置1の制御部10が行う動作フローチャートである。以下、図1〜3を用いて本フローチャートを説明する。本フローチャートは電源が投入された状態でスタートする。   FIG. 3 is an operation flowchart performed by the control unit 10 of the emergency notification broadcast receiving apparatus 1 according to the present invention. Hereinafter, this flowchart will be described with reference to FIGS. This flowchart starts with the power on.

S300において、制御部10は受信強度測定部6を起動し、受信強度測定部6が放送受信周波数テーブル200に記憶されている全ての周波数の受信強度を測定し、放送情報記憶部8に記憶する。例えば、76.3MHzの受信強度を測定し、列205に受信強度を40dBを記憶する。次に78.2MHzの受信強度を測定し、列205に受信強度を60dBを記憶(例えば)する。このように放送受信周波数テーブル200に記憶されている全ての受信周波数について受信強度を測定し記憶する。   In S300, the control unit 10 activates the reception intensity measurement unit 6, and the reception intensity measurement unit 6 measures the reception intensities of all frequencies stored in the broadcast reception frequency table 200 and stores them in the broadcast information storage unit 8. . For example, the reception strength of 76.3 MHz is measured, and 40 dB is stored in the column 205 as the reception strength. Next, the reception strength of 78.2 MHz is measured, and 60 dB is stored (for example) in the column 205 as the reception strength. In this way, the reception intensity is measured and stored for all reception frequencies stored in the broadcast reception frequency table 200.

S301において、放送受信周波数テーブル200の列205に記憶した受信強度が一定値以上の周波数を選択可能周波数として列206に記憶する。例えば、受信強度が40dB以上の周波数である76.3MHz、78.2MHz、90.0MHzに対して列206にマーキング(1を記憶)する。   In S301, the frequency with the received intensity stored in the column 205 of the broadcast reception frequency table 200 is stored in the column 206 as a selectable frequency. For example, marking (stores 1) is performed on the column 206 for 76.3 MHz, 78.2 MHz, and 90.0 MHz, which are frequencies with a reception intensity of 40 dB or more.

S302において、制御部10は、受信強度提示部6を起動し、受信強度提示部6は放送受信周波数テーブル200の列206にマーキングされている列201と列202と列203と列205を表示する。   In S <b> 302, the control unit 10 activates the reception strength presentation unit 6, and the reception strength presentation unit 6 displays the columns 201, 202, 203, and 205 marked in the column 206 of the broadcast reception frequency table 200. .

S303において、受信強度提示部3から提示された周波数が一定時間内に選択された場合(S303、YES)、選択された周波数を放送受信周波数に設定し、列204にマーキング(1を記憶)する(S304)。一定時間内に選択されなかった場合(S303、NO)、列206にマーキングされている周波数の内、最も受信強度が高い周波数である78.2MHzを放送受信周波数に設定する(S305)。 In S303, when the frequency presented from the reception strength presenting unit 3 is selected within a certain time (S303, YES), the selected frequency is set as the broadcast reception frequency and marked (stores 1) in the column 204. (S304). If it is not selected within a certain time (S303, NO), 78.2 MHz, which is the frequency with the highest reception intensity among the frequencies marked in the column 206, is set as the broadcast reception frequency (S305).

S306において、受信強度測定起動部5は放送受信周波数が設定されてから一定時間(例えば2時間)経過したか否かを判断し、一定時間経過していると判断した場合(S306、YES)、S300へ戻り、全ての周波数を測定し直す。一定時間経過していないと判断した場合(S306、No)、S307へ進む。   In S306, the reception intensity measurement starting unit 5 determines whether or not a certain time (for example, 2 hours) has elapsed since the broadcast reception frequency is set, and if it is determined that the certain time has elapsed (S306, YES), Return to S300 and measure all frequencies again. When it is determined that the predetermined time has not elapsed (S306, No), the process proceeds to S307.

S307において、列204にマーキングされている、現在設定されている放送受信周波数の受信強度を測定し、列205の受信強度を更新する。   In S307, the reception strength of the currently set broadcast reception frequency marked in the column 204 is measured, and the reception strength in the column 205 is updated.

S308において、S307で更新した受信強度が一定値未満(例えば、40dB未満)の場合(S308、YES)、S309へ進む。受信強度が一定値以上(例えば40dB以上)の場合、(S308、NO)、S306へ戻り、一定時間(例えば2時間)が経過するまでS306〜S308を繰り返す。   In S308, when the reception intensity updated in S307 is less than a certain value (for example, less than 40 dB) (S308, YES), the process proceeds to S309. If the received intensity is equal to or greater than a certain value (for example, 40 dB or more) (S308, NO), the process returns to S306, and S306 to S308 are repeated until a certain time (for example, 2 hours) elapses.

S309において、列206に記憶されているすべての周波数の受信強度を更新する。   In S309, the reception strengths of all frequencies stored in the column 206 are updated.

S310において、列206に記憶されている周波数の受信強度が全て一定値未満(例えば、40dB未満)の場合(S310、YES)、S300へ戻り、全ての周波数を測定し直す。列206に記憶されている周波数の受信強度が全て一定値未満(例えば、40dB未満)でない場合(S310、NO)、S302に戻る。   In S310, when the reception strengths of the frequencies stored in the column 206 are all less than a certain value (for example, less than 40 dB) (S310, YES), the process returns to S300 and all frequencies are measured again. If all the reception strengths of the frequencies stored in the column 206 are not less than a certain value (for example, less than 40 dB) (S310, NO), the process returns to S302.

以上、本発明の実施形態について説明した。尚、本発明は要旨の範囲内であれば種々の変更が可能であり、本実施例にのみ限定されるものではない。   The embodiment of the present invention has been described above. The present invention can be variously modified within the scope of the gist, and is not limited to the present embodiment.

例えば、S307において現在設定されている周波数の受信強度のみを更新するように構成しているが、本装置が異動したことを考えればS309の選択可能周波数に設定されている周波数の受信強度を先に更新しても良い。   For example, only the reception strength of the currently set frequency is updated in S307, but considering that this device has changed, the reception strength of the frequency set as the selectable frequency in S309 is changed first. You may update to

また、S308において現在設定されている周波数の受信強度が一定値以下だった場合、もしくはS310で選択可能周波数に設定されている周波数に一定値以上の周波数があった場合でも、受信強度提示部3に選択可能周波数から選択するか、全周波数を測定し直すかという選択肢を提示し、利用者の選択によりS300へ戻って全ての周波数を測定するようにしても良い。   Further, even when the reception intensity of the frequency currently set in S308 is equal to or less than a certain value, or even when the frequency set as the selectable frequency in S310 includes a certain frequency or more, the reception intensity presenting unit 3 The user may be presented with an option of selecting from the selectable frequencies or re-measuring all frequencies, and returning to S300 according to the user's selection to measure all frequencies.

1・・・緊急告知放送受信機
2・・・受信部
3・・・受信強度提示部
4・・・操作者部
5・・・受信強度測定起動部
6・・・受信強度測定部
7・・・受信周波数設定部
8・・・放送情報記憶部
9・・・音声出力部
DESCRIPTION OF SYMBOLS 1 ... Emergency notification broadcast receiver 2 ... Reception part 3 ... Reception intensity presentation part 4 ... Operator part 5 ... Reception intensity measurement starting part 6 ... Reception intensity measurement part 7 ...・ Receiving frequency setting unit 8 ... Broadcast information storage unit 9 ... Audio output unit

Claims (2)

予め定められた複数の放送電波のいずれかを受信する放送受信装置であって、
前記複数の放送電波の周波数および放送地域および放送局の系列に係る情報を予め関連付けて記憶しておく放送情報記憶手段と、前記放送情報記憶手段に記憶されている複数の周波数の全てまたは一部の周波数に対応する複数の放送電波を順次受信し前記受信した放送電波の各々の受信強度を測定する受信強度測定手段と、前記受信強度測定手段を定期的または非定期に起動する受信強度測定起動手段と、前記受信強度測定手段が測定した受信強度に係る情報を前記操作者へ提示する受信強度提示手段と、前記複数の周波数のいずれかを自受信装置を操作する操作者に選択させる操作者周波数選択手段と、前記複数の周波数のいずれかを放送受信周波数として設定する受信周波数設定手段と、を有し、
前記受信強度測定起動手段は、現在設定されている放送受信周波数が設定されてから所定の時間が経過したか否かを判定し、所定の時間が経過したと判定した場合に前記受信強度測定手段を起動し、
前記受信強度提示手段は、現在設定されている放送受信周波数による放送電波の受信強度が予め定められた所定の受信強度未満であった場合に、前記受信強度測定手段が測定した複数の放送電波の受信強度に係る情報を提示し、
前記受信周波数設定手段は、前記受信強度提示手段が提示した情報に対し所定の時間内に周波数を選択する操作が為された場合に、前記選択された周波数を前記放送受信周波数として設定し、前記所定の時間内に周波数を選択する操作が為されなかった場合に、前記受信強度測定手段が測定した複数の放送電波の内、最も受信強度が強い放送電波の周波数を放送受信周波数として自動的に設定することを特徴とする緊急告知放送受信装置。
A broadcast receiving device that receives one of a plurality of predetermined broadcast radio waves,
Broadcast information storage means for preliminarily associating and storing information related to the frequency of the plurality of broadcast radio waves and the broadcasting area and broadcasting station series, and all or part of the plurality of frequencies stored in the broadcast information storage means Receiving intensity measurement means for sequentially receiving a plurality of broadcast radio waves corresponding to the frequency of the received signal and measuring the reception intensity of each of the received broadcast radio waves, and reception intensity measurement activation for periodically or irregularly activating the reception intensity measurement means Means, a reception intensity presenting means for presenting information related to the reception intensity measured by the reception intensity measuring means to the operator, and an operator for selecting one of the plurality of frequencies by an operator who operates the reception apparatus. A frequency selection means; and a reception frequency setting means for setting any one of the plurality of frequencies as a broadcast reception frequency,
The reception intensity measurement starting means determines whether or not a predetermined time has elapsed since the currently set broadcast reception frequency is set, and when it is determined that the predetermined time has elapsed, the reception intensity measurement means Start
The reception intensity presenting means is configured to receive a plurality of broadcast radio waves measured by the reception intensity measurement means when the reception intensity of the broadcast radio waves at the currently set broadcast reception frequency is less than a predetermined reception intensity. Present information about the received strength,
The reception frequency setting means sets the selected frequency as the broadcast reception frequency when an operation for selecting a frequency within a predetermined time is performed on the information presented by the reception intensity presentation means, When an operation for selecting a frequency is not performed within a predetermined time, the frequency of the broadcast radio wave having the strongest reception intensity among the plurality of broadcast radio waves measured by the reception intensity measuring means is automatically set as the broadcast reception frequency. An emergency notification broadcast receiver characterized by being set.
請求項1に記載の放送受信装置であって、
前記放送電波は、緊急告知情報を放送する放送電波であることを特徴とする緊急告知放送受信装置。
The broadcast receiving device according to claim 1,
The broadcast broadcast receiving apparatus according to claim 1, wherein the broadcast radio wave is a broadcast radio wave for broadcasting emergency notification information.
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JP2009501490A (en) * 2005-07-13 2009-01-15 トムソン ライセンシング Device with emergency alert function with priority override characteristics
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