JP2011101181A - System for receiving emergency warning broadcast - Google Patents
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- JP2011101181A JP2011101181A JP2009254220A JP2009254220A JP2011101181A JP 2011101181 A JP2011101181 A JP 2011101181A JP 2009254220 A JP2009254220 A JP 2009254220A JP 2009254220 A JP2009254220 A JP 2009254220A JP 2011101181 A JP2011101181 A JP 2011101181A
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本発明は、デジタル放送における緊急警報放送の受信システムに関するものである。 The present invention relates to an emergency warning broadcast receiving system for digital broadcasting.
地上デジタル放送は、ビル内、地下街、地下鉄等の電波遮蔽空間にも伝送され、あらゆる場所で地上デジタル放送が受信可能となる。緊急警報放送実施時には放送局は、ＴＭＣＣ情報に緊急警報放送起動フラグを送出するだけでなく、緊急情報記述子にｓｔａｒｔ ｅｎｄ ｆｌａｇ、１種／２種種別、地域符号も送られることが運用（ＡＲＩＢ規格 ＴＲ−Ｂ１５）で決められている。 Terrestrial digital broadcasting is also transmitted to radio wave shielding spaces such as buildings, underground malls, and subways, so that digital terrestrial broadcasting can be received everywhere. When an emergency warning broadcast is performed, the broadcasting station not only sends an emergency warning broadcast activation flag to TMCC information but also sends a start end flag, one type / two types, and an area code to the emergency information descriptor (ARIB). Standard TR-B15).
従来の緊急警報放送受信システムに類するものとしては、緊急警報放送を検知した際に、テレビ受信機や１セグ受信携帯電話機の電源を起動させ視聴者に画面やスピーカ音声やブザーで通知している。また、予め指定された字幕又は文字スーパーを受信した場合、注意喚起を行うデジタル放送受信機の例もある（特許文献１参照）。統制局が通報する情報と放送局が放送するニュース等の情報とを関連付けて受信、表示する無線端末局の例もある（特許文献２参照）。さらに、放送局の緊急警報放送起動フラグ信号をテレビ受信機の出力端子より警告灯に伝送し警告表示させる例もある。 Similar to the conventional emergency alert broadcast receiving system, when an emergency alert broadcast is detected, the power of the TV receiver or the 1-segment receiving mobile phone is activated to notify the viewer with a screen, speaker sound or buzzer. . In addition, there is an example of a digital broadcast receiver that alerts a user when a previously designated subtitle or superimpose character is received (see Patent Document 1). There is also an example of a wireless terminal station that receives and displays information notified by the control station and information such as news broadcast by the broadcasting station (see Patent Document 2). Further, there is an example in which an emergency warning broadcast activation flag signal of a broadcasting station is transmitted from an output terminal of a television receiver to a warning lamp to display a warning.
地上デジタル放送の中には、緊急警報を示すフラグが挿入されている地上デジタル放送を受信し続けていないと、挿入されているフラグを検出できず、緊急警報を得る事が出来ない。 In digital terrestrial broadcasting, if the terrestrial digital broadcast in which a flag indicating an emergency warning is inserted is not continuously received, the inserted flag cannot be detected and an emergency warning cannot be obtained.
本発明は、緊急警報を放送していない地上デジタル放送を受信していても緊急警報を得ることを目的とする。 An object of the present invention is to obtain an emergency alert even when receiving a digital terrestrial broadcast that does not broadcast an emergency alert.
本発明は、上記の目的を達成するために、地上デジタル放送を受信するアンテナと複調する複数の複調部と、復調した信号のＴＭＣＣ内の緊急警報を判断する複数のＴＭＣＣ判断部とＡＣ内の緊急警報を判断する複数のＡＣ判断部との少なくとも一方と、複数の緊急警報を入力する緊急情報表現部とを有し、地上デジタル放送の複数チャンネルのＴＭＣＣまたはＡＣの少なくとも一方に含まれている緊急警報を受信し、少なくとも一つの緊急警報に基づき緊急警報の発報を行うことを特徴とする緊急警報放送受信システムである。 In order to achieve the above object, the present invention provides a plurality of multi-tone units that double-tune with an antenna that receives terrestrial digital broadcasting, a plurality of TMCC determination units that determine emergency warnings in the TMCC of a demodulated signal, and an AC At least one of a plurality of AC judgment units for judging emergency alerts in the system and an emergency information expression unit for inputting a plurality of emergency alerts, and are included in at least one of TMCC or AC of a plurality of channels of digital terrestrial broadcasting The emergency alert broadcast receiving system is characterized in that an emergency alert is received and an emergency alert is issued based on at least one emergency alert.
さらに、上記の緊急警報放送受信システムにおいて、上記の緊急警報の発報が、サイレンの発報、赤色表示灯の点灯や点滅、非常口の緑色表示灯の点灯や点滅、であることを特徴とする緊急警報放送受信システムである。
また、上記の緊急警報放送受信システムにおいて、上記の緊急警報の発報が、緊急情報の写し出しや、転倒の警告や、転倒防止であることを特徴とする緊急警報放送受信システムである。
Further, in the emergency alert broadcast receiving system, the emergency alert is generated by a siren, a red indicator light or blinking, or an emergency exit green indicator light or blinking. This is an emergency warning broadcast receiving system.
Further, in the emergency alert broadcast receiving system, the emergency alert broadcast receiving system is characterized in that the emergency alert is issued by copying emergency information, falling over, and preventing overturning.
以上説明したように本発明によれば、緊急警報を放送していない地上デジタル放送を受信していても、複数チャンネルの地上デジタル放送に含まれている信号の緊急警報の成分を受信して緊急警報である事を表現する事で、周囲の人に緊急情報を表現する。 As described above, according to the present invention, even if a terrestrial digital broadcast that does not broadcast an emergency alert is received, an emergency alert component of a signal included in a multi-channel digital terrestrial broadcast is received and an emergency is received. Expressing emergency information to the people around you by expressing a warning.
本発明の実施例を本発明の一実施例の緊急警報放送受信システムを示すブロック図の図１−１を用いて説明する。図１−１に示すように、アンテナ１８で放送波を受信し同軸線１９で伝送した放送チャンネル信号1Aを本発明の一実施例の緊急警報放送受信システム１０内の復調部１１に入力する。復調部１１は、チャンネル1Aを周波数変換しＡ／Ｄして等化しＯＦＤＭ復調し、復調信号1BをＴＭＣＣ（Ｔｒａｎｓｍｉｓｓｉｏｎ ＆ Ｍｕｌｔｉｐｌｅｘｉｎｇ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｃｏｎｔｒｏｌ）判断部１２へ出力する。ＴＭＣＣ判断部１２は復調信号1Bの中の、ＴＭＣＣ情報の中の緊急警報に関する部分が発令された場合に緊急情報表現部１４へ出力する。この時1Aとして入力する放送波はＮＨＫでも他局の放送番組であっても良い。緊急情報表現部１４は、1C緊急警報が来た場合に、サイレン、赤色警告灯の点灯や点滅、非常口の緑色表示灯の点灯、点滅や警報の発報を行う事で、周囲の人に緊急情報を表現するものである。 An embodiment of the present invention will be described with reference to FIG. 1-1, which is a block diagram showing an emergency alert broadcast receiving system according to an embodiment of the present invention. As shown in FIG. 1A, a broadcast channel signal 1A received by a broadcast wave by an antenna 18 and transmitted by a coaxial line 19 is input to the demodulator 11 in the emergency alert broadcast receiving system 10 of one embodiment of the present invention. The demodulator 11 performs frequency conversion and A / D conversion on the channel 1A, equalizes and OFDM-demodulates, and outputs the demodulated signal 1B to a TMCC (Transmission & Multiplexing Configuration Control) determination unit 12. The TMCC determination unit 12 outputs to the emergency information expression unit 14 when a part related to an emergency warning in the TMCC information in the demodulated signal 1B is issued. At this time, the broadcast wave input as 1A may be NHK or a broadcast program of another station. The emergency information expression unit 14 urgently alerts people in the vicinity by issuing a siren, a red warning light and flashing, an emergency exit green indicator light, flashing and warning when a 1C emergency warning comes. It represents information.
また、停電時用バッテリを備えれば、地上デジタルを受信する際の受信機の電源の心配なく、周囲の人に早く緊急警報が発令された事を表現可能である。 In addition, if a battery for power failure is provided, it is possible to express that an emergency warning has been issued to surrounding people early without worrying about the power supply of the receiver when receiving terrestrial digital.
また、本発明の一実施例の緊急警報放送受信システムを示すブロック図の図１−２に示すように本発明の一実施例の緊急警報放送受信システム４０は、アンテナ１８で放送波を受信し同軸線１９で伝送した複数の放送チャンネルを同時に受信し、受信している放送チャンネルの何れかに緊急警報が発報された時に緊急情報表現部が動作する様な仕組みでもよい。放送チャンネルを複数入力し、放送チャンネルの数と同じ分の復調部２１を設ける。復調部２１は前述の復調部１１と同一機能であり放送チャンネルを周波数変換しＡ／Ｄし等化してＯＦＤＭ復調し、復調信号1BをＴＭＣＣ判断部２２へ出力する。復調部２１とＴＭＣＣ判断部２２は対になっていて、各放送波内で緊急警報が発令された時に緊急情報表現部１５へ信号を出力する。緊急情報表現部１５は入力する放送波の数だけ緊急警報1Cの入力があり、その何れか1つ以上が発令された時に、緊急情報表現部１５が動作する。こうする事で、何れか１つ以上の放送局が発報したチャンネルの緊急警報を周囲に表現する事が可能である。 Moreover, as shown in FIG. 1-2 of the block diagram which shows the emergency alert broadcast receiving system of one Example of this invention, the emergency alert broadcast receiving system 40 of one Example of this invention receives a broadcast wave with the antenna 18. In FIG. A mechanism may be employed in which a plurality of broadcast channels transmitted through the coaxial line 19 are simultaneously received, and the emergency information expression unit operates when an emergency alert is issued to any of the received broadcast channels. A plurality of broadcast channels are input, and as many demodulation units 21 as the number of broadcast channels are provided. The demodulating unit 21 has the same function as the demodulating unit 11 described above, and frequency-converts the broadcast channel, performs A / D equalization, performs OFDM demodulation, and outputs the demodulated signal 1B to the TMCC determining unit 22. The demodulator 21 and the TMCC determination unit 22 are paired, and output a signal to the emergency information expression unit 15 when an emergency warning is issued in each broadcast wave. The emergency information expression unit 15 has the number of emergency alarms 1C input as many as the number of broadcast waves to be input, and the emergency information expression unit 15 operates when any one or more of them are issued. By doing so, it is possible to express the emergency alert of the channel issued by any one or more broadcasting stations in the surroundings.
緊急警報を放送していない地上デジタル放送やエリア放送を受信していても、複数チャンネルの地上デジタル放送のいずれかにに含まれている信号の緊急警報の成分を受信して緊急警報である事を表現する事で、周囲の人に緊急情報を表現する。 Even if a digital terrestrial broadcast or area broadcast that does not broadcast an emergency alert is received, the emergency alert component of the signal contained in one of the multi-channel digital terrestrial broadcasts is received to be an emergency alert. Express emergency information to the people around you by expressing
本発明の一実施例の緊急警報放送受信システムを示すブロック図の図２−１に示すように、本発明の一実施例の緊急警報放送受信システム２０は、アンテナ１８で放送波を受信し同軸線１９で伝送した放送チャンネル信号1Aを本発明送信機20内の復調部１１に入力する。復調部１１は、放送チャンネル信号1Aを周波数変換しＡ／Ｄし等化してＯＦＤＭ復調し、復調信号1BをＡＣ（Ａｕｘｉｌｉａｒｙ Ｃｈａｎｎｅｌ）判断部１３へ出力する。ＡＣ判断部１３は復調信号1Bの中の、ＡＣ情報の中の緊急警報に関する部分が発令された場合に緊急情報表現部１４へ出力する。この時1Aとして入力する放送波はNHKでも他局の放送番組であっても良い。緊急情報表現部１４は、1C緊急警報が来た場合に、サイレン、非常灯や警告灯などの表示灯の点灯、点滅や警報の発報を行う事で、周囲の人に緊急情報を表現するものである。 As shown in FIG. 2-1 of a block diagram showing an emergency alert broadcast receiving system according to an embodiment of the present invention, an emergency alert broadcast receiving system 20 according to an embodiment of the present invention receives a broadcast wave by an antenna 18 and is coaxial. The broadcast channel signal 1A transmitted through the line 19 is input to the demodulator 11 in the transmitter 20 of the present invention. The demodulator 11 performs frequency conversion, A / D equalization, and OFDM demodulation on the broadcast channel signal 1A, and outputs the demodulated signal 1B to an AC (Auxiliary Channel) determination unit 13. The AC judging unit 13 outputs the demodulated signal 1B to the emergency information expression unit 14 when a portion related to an emergency warning in the AC information is issued. At this time, the broadcast wave input as 1A may be NHK or a broadcast program of another station. The emergency information expression unit 14 expresses emergency information to surrounding people by turning on, flashing, and issuing warning lights such as sirens, emergency lights and warning lights when a 1C emergency warning comes Is.
また、本発明の一実施例の緊急警報放送受信システムを示すブロック図の図２−２に示すように本発明の一実施例の緊急警報放送受信システム５０は、アンテナ１８で受信し同軸線１９で伝送した複数の放送チャンネルを同時に受信し、受信している放送チャンネルの何れかに緊急警報が発報された時に緊急情報表現部が動作する様な仕組みでもよい。放送チャンネルを複数入力し、放送チャンネルの数と同じ分の復調部２１を設ける。復調部２１は前述の復調部１１と同一機能であり放送チャンネルを周波数変換しＡ／Ｄし等化してＯＦＤＭ復調し、復調信号1BをＡＣ判断部２３へ出力する。復調部２１とＡＣ判断部２３は対になっていて、各放送チャンネル内で緊急警報が発令された時に緊急情報表現部１６へ信号を出力する。緊急情報表現部１６は入力する放送波の数だけ緊急警報1Cの入力があり、その何れか1つ以上が発令された時に、緊急情報表現部１６が動作する。こうする事で、何れか１つ以上の放送局が発報したチャンネルの緊急警報を周囲に表現する事が可能である。 Further, as shown in FIG. 2-2 of the block diagram showing the emergency alert broadcast receiving system of one embodiment of the present invention, the emergency alert broadcast receiving system 50 of one embodiment of the present invention receives the antenna 18 and receives the coaxial line 19. It is also possible to receive a plurality of broadcast channels transmitted at the same time, and the emergency information expression unit may operate when an emergency alert is issued on any of the received broadcast channels. A plurality of broadcast channels are input, and as many demodulation units 21 as the number of broadcast channels are provided. The demodulating unit 21 has the same function as the demodulating unit 11 described above, and frequency-converts the broadcast channel, performs A / D equalization, performs OFDM demodulation, and outputs the demodulated signal 1B to the AC determining unit 23. The demodulation unit 21 and the AC determination unit 23 are paired, and output a signal to the emergency information expression unit 16 when an emergency warning is issued in each broadcast channel. The emergency information expression unit 16 has the number of emergency alerts 1C input for the number of broadcast waves to be input, and the emergency information expression unit 16 operates when any one or more of them are issued. By doing so, it is possible to express the emergency alert of the channel issued by any one or more broadcasting stations in the surroundings.
緊急警報をＴＭＣＣで放送していない地上デジタル放送やエリア放送を受信していても、複数チャンネルの地上デジタル放送のいずれかのＡＣに含まれている信号の緊急警報の成分を受信して緊急警報である事を表現する事で、周囲の人に緊急情報を表現する。 Even if terrestrial digital broadcasting or area broadcasting that does not broadcast emergency alerts on TMCC is received, the emergency alert component of the signal included in any AC of multi-channel digital terrestrial broadcasting is received and emergency alerts received Expressing emergency information to the people around you by expressing
本発明の一実施例の緊急警報放送受信システムを示すブロック図の図３−１に示すように、本発明の一実施例の緊急警報放送受信システムは、アンテナ１８で放送波を受信し同軸線１９で伝送した放送チャンネル信号1Aを本発明送信機３０内の復調部11に入力する。復調部１１は、放送チャンネル信号1Aを周波数変換しＡ／Ｄし等化してＯＦＤＭ復調し、復調信号1BをＴＭＣＣ判断部１２とＡＣ判断部１３へ出力する。ＴＭＣＣ判断部１２は復調信号1Bの中の、ＴＭＣＣ情報の中の緊急警報に関する部分が発令された場合に緊急情報表現部１５へ出力する。ＡＣ判断部１３は復調信号1Bの中の、ＡＣ情報の中の緊急警報に関する部分が発令された場合に緊急情報表現部１５へ出力する。この時1Aとして入力する放送チャンネルはＮＨＫでも他局の放送番組であっても良い。緊急情報表現部１５は、1C緊急警報が来た場合に、サイレン、非常灯や警告灯などの表示灯の点灯、点滅や警報の発報を行う事で、周囲の人に緊急情報を表現するものである。 As shown in FIG. 3-1, which is a block diagram showing an emergency alert broadcast receiving system according to an embodiment of the present invention, an emergency alert broadcast receiving system according to an embodiment of the present invention receives a broadcast wave by an antenna 18 and receives a coaxial line. The broadcast channel signal 1A transmitted at 19 is input to the demodulator 11 in the transmitter 30 of the present invention. The demodulator 11 performs frequency conversion, A / D equalization, and OFDM demodulation on the broadcast channel signal 1A, and outputs the demodulated signal 1B to the TMCC determination unit 12 and the AC determination unit 13. The TMCC determination unit 12 outputs to the emergency information expression unit 15 when a part related to an emergency warning in the TMCC information in the demodulated signal 1B is issued. The AC judging unit 13 outputs the demodulated signal 1B to the emergency information expressing unit 15 when a part related to an emergency warning in the AC information is issued. At this time, the broadcast channel input as 1A may be NHK or a broadcast program of another station. The emergency information expression unit 15 expresses emergency information to surrounding people by turning on, blinking, and issuing warning lights such as sirens, emergency lights and warning lights when a 1C emergency warning comes Is.
また、本発明の一実施例の緊急警報放送受信システムを示すブロック図の図３−２に示すように本発明の一実施例の緊急警報放送受信システムは、アンテナ１８で受信し同軸線１９で伝送した複数の放送チャンネルを同時に受信し、受信している放送チャンネルの何れかに緊急警報が発報された時に緊急情報表現部が動作する様な仕組みでもよい。放送チャンネルを複数入力し、放送チャンネルの数と同じ分の復調部２１を設ける。復調部２１は前述の復調部１１と同一機能であり放送チャンネルを周波数変換しＡ／Ｄし等化してＯＦＤＭ復調し、復調信号1BをＴＭＣＣ判断部２２とＡＣ判断部２３へ出力する。復調部２１、ＴＭＣＣ判断部２２、ＡＣ判断部２３は対になっていて、各放送チャンネル内で緊急警報が発令された時に緊急情報表現部１７へ信号を出力する。緊急情報表現部１７は入力する放送チャンネルの数だけ緊急警報1Cの入力があり、その何れか1つ以上が発令された時に、サイレン、非常灯や警告灯などの緊急情報表現部１７が動作する。こうする事で、何れか１つ以上の放送局が発報した放送チャンネルの緊急警報を周囲に表現する事が可能である。 Further, as shown in FIG. 3-2 of the block diagram showing the emergency alert broadcast receiving system of the embodiment of the present invention, the emergency alert broadcast receiver system of the embodiment of the present invention receives the signal by the antenna 18 and the coaxial line 19. A mechanism may be adopted in which an emergency information expression unit operates when an emergency warning is issued to any of the received broadcast channels by simultaneously receiving a plurality of transmitted broadcast channels. A plurality of broadcast channels are input, and as many demodulation units 21 as the number of broadcast channels are provided. The demodulating unit 21 has the same function as the demodulating unit 11 described above, and performs frequency conversion, A / D equalization, and OFDM demodulation of the broadcast channel, and outputs the demodulated signal 1B to the TMCC determining unit 22 and the AC determining unit 23. The demodulation unit 21, the TMCC determination unit 22, and the AC determination unit 23 are paired, and output a signal to the emergency information expression unit 17 when an emergency warning is issued in each broadcast channel. The emergency information expression unit 17 has the number of emergency alerts 1C input as many as the number of broadcast channels to be input, and when one or more of them are issued, the emergency information expression unit 17 such as a siren, an emergency light or a warning light operates. . By doing this, it is possible to express the emergency alert of the broadcast channel issued by any one or more broadcast stations in the surroundings.
緊急警報を放送していない地上デジタル放送やエリア放送を受信していても、複数チャンネルの地上デジタル放送のいずれかのＴＭＣＣまたはＡＣの少なくとも一方に含まれている信号の緊急警報の成分を受信して緊急警報である事を表現する事で、周囲の人に緊急情報を表現する。 Even if terrestrial digital broadcasting or area broadcasting that does not broadcast emergency alerts is received, the emergency alert component of the signal contained in at least one of TMCC or AC of multi-channel digital terrestrial broadcasting is received. Express emergency information to the people around you by expressing that it is an emergency alert.
前述の緊急情報表現部１４〜１７は例えば、地上デジタル放送の電波に含まれている信号の緊急警報の成分を受信して緊急警報である事を表現する部分が、非常灯やアンテナに内臓するプロジェクタから避難経路が映し出されても良い。具体的には図４−１に示すように非常灯７０中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例がプロジェクタ１４Ａであり、前記1C緊急警報を検知し、避難経路等の緊急情報を写し出す。図４−２に示すようにアンテナ７１中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例がプロジェクタ１４Ａであり、前記1C緊急警報を検知し、避難経路等の緊急情報を写し出す。 In the emergency information expression units 14 to 17 described above, for example, a part that receives an emergency warning component of a signal included in a radio wave of digital terrestrial broadcasting and expresses that it is an emergency warning is incorporated in an emergency light or an antenna. An evacuation route may be projected from the projector. Specifically, as shown in FIG. 4A, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the emergency light 70 is a projector 14A, which detects the 1C emergency warning, and evacuation routes, etc. Copy emergency information for As shown in FIG. 4B, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the antenna 71 is a projector 14A, which detects the 1C emergency alarm and projects emergency information such as an evacuation route. .
非常灯やアンテナから透かし絵として非常灯やアンテナ表面に写っても良い。具体的には図４−３に示すように非常灯７０中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例が透かし絵１４Ｂであり、前記1C緊急警報を検知し、避難経路等の緊急情報を写し出す。図４−４に示すようにアンテナ７１中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例が透かし絵１４Ｂであり、前記1C緊急警報を検知し、避難経路等の緊急情報を写し出す。 It may appear on the emergency light or antenna surface as a watermark from the emergency light or antenna. Specifically, as shown in FIG. 4-3, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the emergency light 70 is a watermark picture 14B, which detects the 1C emergency warning and detects an evacuation route. Urgent information such as As shown in FIG. 4-4, an embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the antenna 71 is a watermark picture 14B. The 1C emergency alarm is detected and emergency information such as an evacuation route is displayed. Copy.
また、自動販売機に本機能が本発明が内臓されていて、緊急時に自動販売機が転倒する可能性がある事を周囲に知らせても良い。具体的には図４−５に示すように自動販売機７２中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例が転倒警報部１４Ｃでありし、前記1C緊急警報を検知し、自動販売機７２の転倒の可能性を周囲に警告する。 In addition, the present invention may be incorporated in the vending machine, and the surroundings may be notified that the vending machine may fall down in an emergency. Specifically, as shown in FIG. 4-5, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the vending machine 72 is a fall alarm unit 14C, which detects the 1C emergency alarm. The surrounding vending machine 72 is warned of the possibility of falling.
また、美術館等の展示物が緊急時に転倒する事を防止するために、緊急警報を受信した場合に、転倒防止のロックが架かったり、転倒防止ネットが展示物の上から降りてくる仕組みでも良い。具体的には図４−６に示すよう展示物７３中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例が転倒防止ロック１４Ｄであり、前記1C緊急警報を検知し、物体が転倒する事を防止するために展示物７３に転倒防止ロック１４Ｄがかかる。または、図４−７に示すよう展示物７３中に内蔵する本発明の緊急情報表現部１４〜１７の一実施例が転倒防止ネット１４Ｅであり、前記1C緊急警報を検知し、展示物７３が転倒する事を防止するために転倒防止ネット１４Ｅが展示物７３にかかる。 Also, in order to prevent the exhibition of museums etc. from falling in an emergency, when an emergency warning is received, a mechanism to prevent overturning or a fall prevention net may come down from the top of the exhibit. . Specifically, as shown in FIG. 4-6, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the exhibit 73 is a fall prevention lock 14D, which detects the 1C emergency warning, and the object is A fall prevention lock 14D is applied to the exhibit 73 to prevent the fall. Alternatively, as shown in FIG. 4-7, one embodiment of the emergency information expression units 14 to 17 of the present invention incorporated in the exhibit 73 is the fall prevention net 14E, and the 1C emergency alarm is detected. A fall prevention net 14E is placed on the exhibit 73 in order to prevent the fall.
１０，２０，３０，４０，５０：緊急警報放送受信システム、
１１，２１：復調部、
１２，２２：ＴＭＣＣ判断部、１３，２３：ＡＣ判断部、
１４，１５，１６，１７：緊急情報表現部、１８：アンテナ、１９：同軸線、
１４Ａ：プロジェクタ、１４Ｂ：透かし絵、１４Ｃ：転倒警告部、１４Ｄ：転倒防止ロック、１４Ｅ：転倒防止ネット、
７０：非常灯、７１：アンテナ、７２：自動販売機、７３：展示物、
10, 20, 30, 40, 50: Emergency alert broadcast receiving system,
11, 21: demodulator,
12, 22: TMCC determination unit, 13, 23: AC determination unit,
14, 15, 16, 17: Emergency information expression part, 18: Antenna, 19: Coaxial line,
14A: projector, 14B: watermark picture, 14C: fall warning section, 14D: fall prevention lock, 14E: fall prevention net,
70: emergency light, 71: antenna, 72: vending machine, 73: exhibit
Claims (1)
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