JP2005130117A - Antenna apparatus for television reception - Google Patents

Antenna apparatus for television reception Download PDF

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JP2005130117A
JP2005130117A JP2003362138A JP2003362138A JP2005130117A JP 2005130117 A JP2005130117 A JP 2005130117A JP 2003362138 A JP2003362138 A JP 2003362138A JP 2003362138 A JP2003362138 A JP 2003362138A JP 2005130117 A JP2005130117 A JP 2005130117A
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antenna device
radiator
mixer
receiving antenna
television receiving
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JP4388786B2 (en
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Masahiro Otsu
正裕 大津
Yoshiro Hoshino
義朗 星野
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Maspro Denkoh Corp
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Maspro Denkoh Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a television reception antenna apparatus with excellent handleability. <P>SOLUTION: The television reception antenna apparatus is constituted by arranging a radiator, a reflector and elements such as a wave director on an arm. The radiator is constituted of a turnup dipole 10 of a VU common type, and the power feeding part 12 of the radiator incorporates a mixer 21 provided with a mixing input terminal 32 for receiving a signal from other antennas so as to mix a reception output from the VU common type radiator and reception signals from other antenna apparatuses. The mixer is so constituted that 90 to 220 MHz and 470 to 542 MHz bands which are the reception bands of the television reception antenna apparatus are mixed with 524 to 770 MHz bands which is a reception band of other antennas. The television reception antenna apparatus and the other antenna apparatuses are connected via a transmission cable and supported by an identical supporting body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は，主にＶＨＦ帯域及びＵＨＦ帯域を受信可能な広帯域特性を有するＶＵ共用型のアンテナ装置と，当該アンテナ装置に，異なる方向から到来する電波を受信可能なように，他のアンテナ装置を容易に取り付け可能なアンテナ装置に関する。
The present invention relates to a VU shared antenna device having a broadband characteristic capable of mainly receiving the VHF band and the UHF band, and another antenna device so that the antenna device can receive radio waves arriving from different directions. The present invention relates to an antenna device that can be easily attached.

従来のテレビ受信用のアンテナ装置には，ＶＨＦアンテナ，ＵＨＦアンテナがある。ところで係るアンテナを用いて，ＶＨＦ帯域及びＵＨＦ帯域を受信しようとする場合，夫々異なる方向から電波が到来する地域においても，ＶＨＦとＵＨＦの電波が同じ方向から到来する地域においても，ＶＨＦアンテナとＵＨＦアンテナを設置して夫々の受信出力を混合器やテレビ受信用増幅装置等で持って混合してから宅内に引き込まれていた。
このうち，ＶＨＦとＵＨＦの電波が同じ方向から到来する場合は，取扱いの容易性からＶＵ共用型のアンテナを用いる場合がある。（例えば，特許文献１参照）
Conventional antenna devices for receiving television include a VHF antenna and a UHF antenna. By the way, when the VHF band and the UHF band are to be received using such an antenna, the VHF antenna and the UHF can be used both in an area where radio waves arrive from different directions and in an area where the VHF and UHF radio waves arrive from the same direction. The antennas were installed and each received output was mixed with a mixer or a TV receiving amplifying device and then drawn into the house.
Among these, when VHF and UHF radio waves arrive from the same direction, a VU shared antenna may be used for ease of handling. (For example, see Patent Document 1)

実開昭５９−６９５１１号公報Japanese Utility Model Publication No. 59-69511

ところが受信する地域によっては，当該地域をサービスエリアとするＶＨＦ帯域の電波とＵＨＦ帯域の電波が，同じ地域から送信されることで電波の到来の到来方向が同じであると共に，異なる方向から到来する近隣する地域のローカル局の電波も受信可能な場合がある。このとき同方向から到来するＶＨＦ帯域の電波とＵＨＦ帯域の電波は，取扱性の容易さからＶＵ共用型のテレビ受信用アンテナ装置を用いて受信するようにできるものの，他方向から到来するＵＨＦの電波は，専用の他のアンテナ装置を設置し，当該他のアンテナ装置の受信信号と前記ＶＵ共用型のテレビ受信用アンテナ装置の受信信号とを別途用意した混合器を設けることで宅内に引き込む必要があり，設置の容易性が損なわれ，延いては取り付け費用のコストが高くなるといった問題があった。
そこで本願においては，こうした問題点を解決するためになされたものであり，
その目的は，取扱性の良いテレビ受信用アンテナ装置を提供することにある。
他の目的は，異なる方向からの電波を受信するのに適したテレビ受信用アンテナ装置を提供することにある。
他の目的は，異なる方向からの電波を受信するのに，コスト削減を可能にしたテレビ受信用アンテナ装置を提供することにある。
他の目的は，ターミナルボックスを小型化したテレビ受信用アンテナ装置を提供することにある。
他の目的は，バラツキが少なく，損失の少ない高周波特性を有するテレビ受信用アンテナ装置を提供することにある。
However, depending on the receiving area, radio waves in the VHF band and radio waves in the UHF band whose service area is the same area are transmitted from the same area, so that the arrival directions of the radio waves are the same and arrive from different directions. In some cases, radio waves of local stations in neighboring areas can be received. At this time, radio waves in the VHF band and radio waves in the UHF band coming from the same direction can be received using a VU shared type TV receiving antenna device for ease of handling, but UHF waves coming from other directions can be received. The radio wave needs to be drawn into the home by installing another dedicated antenna device and installing a mixer that separately prepares the received signal of the other antenna device and the received signal of the VU shared type TV receiving antenna device. However, there was a problem that the ease of installation was impaired, and as a result, the cost of installation became high.
Therefore, in this application, it was made to solve these problems.
The purpose is to provide a TV receiving antenna device that is easy to handle.
Another object is to provide a television receiving antenna device suitable for receiving radio waves from different directions.
Another object of the present invention is to provide a television receiving antenna apparatus that can reduce the cost for receiving radio waves from different directions.
Another object is to provide a television receiving antenna apparatus having a smaller terminal box.
Another object is to provide a television receiving antenna device having high frequency characteristics with little variation and low loss.

上記課題を解決するために，請求項１の発明は，テレビ受信用アンテナ装置において，
当該アンテナ装置は，アーム上に放射器と反射器及び導波器等の素子を配設してなり，
前記アンテナ装置の放射器は，ＶＵ共用型の放射器で構成されており，当該放射器の給電部には，前記ＶＵ共用型放射器からの受信出力と，他のアンテナ装置からの受信信号を混合できるよう，当該他のアンテナからの受信信号を入力するための入力端子を備えた混合器を内蔵させるように構成される。
In order to solve the above problems, the invention of claim 1 is a television receiving antenna apparatus,
The antenna device has a radiator, a reflector, a director and other elements arranged on an arm.
The radiator of the antenna device is composed of a VU shared type radiator, and a receiving output from the VU shared type radiator and a received signal from another antenna device are supplied to the feeder of the radiator. A mixer having an input terminal for inputting a received signal from the other antenna is incorporated so that mixing can be performed.

請求項２の発明は，前記混合器の入力端子には他のアンテナ装置が伝送ケーブルを介して配設され，前記テレビ受信用アンテナ装置と他のアンテナ装置とが同一支持体でもって支持されるように構成される。
According to a second aspect of the present invention, another antenna device is disposed on the input terminal of the mixer via a transmission cable, and the television receiving antenna device and the other antenna device are supported by the same support. Configured as follows.

請求項３の発明は，請求項１又は請求項２に記載の前記ＶＵ共用型放射器が折返しダイポールで構成される。
According to a third aspect of the present invention, the VU-shared radiator according to the first or second aspect is constituted by a folded dipole.

請求項４の発明は，請求項１乃至請求項３に記載の前記混合器は，テレビ受信用アンテナ装置の受信帯域である９０〜２２２ＭＨｚ及び４７０〜５４２ＭＨｚと，前記他のアンテナ装置の受信帯域である５２４〜７７０ＭＨｚとを混合するように構成される。
According to a fourth aspect of the present invention, there is provided the mixer according to any one of the first to third aspects of the present invention, wherein the mixer has a reception band of 90 to 222 MHz and 470 to 542 MHz that are reception bands of a television receiving antenna apparatus, and a reception band of the other antenna apparatus. It is configured to mix with some 524-770 MHz.

請求項５の発明は，請求項１乃至請求項４に記載の混合器は，前記テレビ受信用アンテナ装置からの受信信号を入力する接続端子と，低域通過フィルターと混合回路からなる第１の伝送経路と，前記他のアンテナ装置からの受信信号を入力する混合入力端子と高域通過フィルターと混合回路からなる第２の伝送線路と，前記第１及び第２の伝送線路を混合した信号を出力する出力端子とからなり，これらの回路はプリント基板に配設されるように構成される。
According to a fifth aspect of the present invention, there is provided a mixer according to any one of the first to fourth aspects, wherein the mixer includes a connection terminal for inputting a reception signal from the television receiving antenna device, a low-pass filter, and a mixing circuit. A transmission path, a mixed input terminal for receiving a received signal from the other antenna device, a second transmission line composed of a high-pass filter and a mixing circuit, and a signal obtained by mixing the first and second transmission lines. These circuits are configured to be disposed on a printed circuit board.

以上詳述したように，請求項１の発明によれば，テレビ受信用アンテナ装置において，
当該アンテナ装置は，アーム上に放射器と反射器及び導波器等の素子を配設してなり，
前記アンテナ装置の放射器は，ＶＵ共用型の放射器で構成されており，当該放射器の給電部には，前記ＶＵ共用型放射器からの受信出力と，他のアンテナ装置からの受信信号を混合できるよう，当該他のアンテナからの受信信号を入力するための入力端子を備えた混合器を内蔵させるように構成したので，同一方向から到来する電波を受信している地域において，異なる方向から到来する電波をも合わせて受信しようとする場合，容易に且つ安価に他のアンテナ装置を増設可能なテレビ受信用アンテナ装置を提供することができる。
As described in detail above, according to the first aspect of the present invention, in a television receiving antenna device,
The antenna device has a radiator, a reflector, a director and other elements arranged on an arm.
The radiator of the antenna device is composed of a VU shared type radiator, and a receiving output from the VU shared type radiator and a received signal from another antenna device are supplied to the feeder of the radiator. Since it is configured to incorporate a mixer with an input terminal for inputting the received signal from the other antenna so that it can be mixed, it can be viewed from different directions in the area receiving radio waves coming from the same direction. When receiving incoming radio waves together, it is possible to provide a television receiving antenna device in which other antenna devices can be easily and inexpensively added.

請求項２の発明によれば，前記混合器の入力端子には他のアンテナ装置が伝送ケーブルを介して配設され，前記テレビ受信用アンテナ装置と他のアンテナ装置とが同一支持体でもって支持するように構成したので。夫々のアンテナが任意の方向に回転自在に固着されることによって，異なる方向からくる電波を簡単な構成でもって受信可能なテレビ受信用アンテナ装置を提供できるのである。
According to the second aspect of the present invention, another antenna device is disposed on the input terminal of the mixer via a transmission cable, and the television receiving antenna device and the other antenna device are supported by the same support. Because it was configured to do. By fixing the respective antennas so as to be freely rotatable in arbitrary directions, it is possible to provide a television receiving antenna apparatus capable of receiving radio waves coming from different directions with a simple configuration.

請求項３の発明によれば，請求項１又は請求項２に記載の前記ＶＵ共用型放射器が折返しダイポールで構成したので，簡単な構成で広帯域なＶＵ共用型のテレビ受信用アンテナ装置が提供できるのである。
According to a third aspect of the present invention, since the VU shared radiator according to the first or second aspect is configured by a folded dipole, a wideband VU shared type TV receiving antenna device having a simple configuration is provided. It can be done.

請求項４の発明によれば，請求項１乃至請求項３に記載の前記混合器は，テレビ受信用アンテナ装置の受信帯域である９０〜２２２ＭＨｚ及び４７０〜５４２ＭＨｚと，前記他のアンテナ装置の受信帯域である５２４〜７７０ＭＨｚとを混合するように構成したので，例えば同一方向から到来する電波であって，ＶＨＦ局及びＵＨＦ局のｃｈ１９の他に，地上波デジタル放送の開始によって新たに設けられた広域放送用のｃｈ２４が放送されても１つのアンテナ装置で受信可能であり，更に異なる方向から到来するＵＨＦ局のｃｈ３６を受信するために他のアンテナ装置を設置すれるだけで容易に受信可能になるのである。更に異なる方向の基地局から地上波デジタル放送の開始によって新たに設けられた県域放送用のｃｈ２２やｃｈ２６もこの他のアンテナ装置によって容易に受信可能となるのである。即ち，より簡単な構成でもって，異なる方向から到来する電波を受信できると共に，新たに開始される地上波デジタル放送の新しいチャンネルの高域放送用のチャンネルも県域放送用のチャンネルも余分な受信用機材を新たに増設することなく対応可能なアンテナ装置が提供できるのである。
According to a fourth aspect of the present invention, the mixer according to any one of the first to third aspects includes 90 to 222 MHz and 470 to 542 MHz, which are reception bands of a television receiving antenna device, and reception of the other antenna device. Since it is configured to mix the band of 524 to 770 MHz, for example, it is a radio wave coming from the same direction and newly provided by the start of digital terrestrial broadcasting in addition to ch19 of the VHF station and the UHF station Even if the ch24 for wide area broadcasting is broadcasted, it can be received by one antenna device, and can be easily received simply by installing another antenna device to receive ch36 of the UHF station coming from different directions. It becomes. Furthermore, the prefectural broadcasting ch22 and ch26 newly provided by the start of terrestrial digital broadcasting from base stations in different directions can be easily received by other antenna devices. In other words, it is possible to receive radio waves arriving from different directions with a simpler configuration, and the new high-frequency broadcasting channel and the prefectural broadcasting channel for the newly started terrestrial digital broadcasting are used for extra reception. It is possible to provide an antenna device that can be handled without adding new equipment.

請求項５の発明によれば，請求項１乃至請求項４に記載の前記混合器は，前記テレビ受信用アンテナ装置からの受信信号を入力する接続端子と，低域通過フィルターと混合回路からなる第１の伝送経路と，前記他のアンテナ装置からの受信信号を入力する混合入力端子と，高域通過フィルターと混合回路からなる第２の伝送線路と，前記第１及び第２の伝送線路を混合した信号を出力する出力端子とからなり，これらの回路はプリント基板に配設されて構成されているので，バラツキの少なく，損失の少ない安定した高周波特性を有するテレビ受信用アンテナ装置が提供できるのである。
According to a fifth aspect of the present invention, the mixer according to any one of the first to fourth aspects comprises a connection terminal for inputting a reception signal from the television receiving antenna device, a low-pass filter, and a mixing circuit. A first transmission path, a mixed input terminal for receiving a received signal from the other antenna device, a second transmission line including a high-pass filter and a mixing circuit, and the first and second transmission lines. It is composed of output terminals that output mixed signals, and these circuits are arranged on a printed circuit board, so that it is possible to provide a TV receiving antenna device having stable high-frequency characteristics with little variation and less loss. It is.

以下に，本発明を具体化した実施形態の例を，図面を基に詳細に説明する。
図１は本発明に係るテレビ受信用アンテナ装置の斜視図を示す。図２は本発明に係る混合器の実施例を示すブロック図である。図３は本発明のテレビ受信用アンテナ装置の給電部の開閉状態を示す平面図である。
Hereinafter, an example of an embodiment embodying the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of a television receiving antenna apparatus according to the present invention. FIG. 2 is a block diagram showing an embodiment of a mixer according to the present invention. FIG. 3 is a plan view showing the open / close state of the power feeding section of the television receiving antenna apparatus of the present invention.

１は同一方向から到来するＶＨＦ帯域の電波とＵＨＦ帯域の電波とを受信するためのテレビ受信用アンテナ装置であり，２は他のアンテナ装置として表記された，前記ＶＨＦ及びＵＨＦ電波とは異なる方向から到来する電波を受信するためのアンテナである。
テレビ受信用アンテナ装置１はＶＵ共用型の広帯域アンテナ装置であり，本願の実施例では，同一方向から到来する電波であって，例えばＶＨＦ帯においては９０〜２２２ＭＨｚを受信すると共に，ＵＨＦ帯においては４７０〜５４２ＭＨｚを１つのダイポールアンテナで受信することができるように構成されたＶＵ共用型のテレビ受信用アンテナ装置である。
Reference numeral 1 denotes a television receiving antenna device for receiving a VHF band radio wave and a UHF band radio wave coming from the same direction, and 2 denotes a direction different from the VHF and UHF radio waves, which is expressed as another antenna device. This is an antenna for receiving radio waves coming from.
The TV receiving antenna device 1 is a VU-shared wide-band antenna device. In the embodiment of the present application, for example, a radio wave arriving from the same direction receives 90 to 222 MHz in the VHF band, and in the UHF band, This is a VU shared type TV receiving antenna device configured to receive 470 to 542 MHz with one dipole antenna.

このテレビ受信用アンテナ装置１は図１のように，導波器４・５，放射器６，反射器７・ ８がアーム３に配列されている。
導波器４はＵＨＦ用であり，導波器５はトラップを付加したＶＨＦ用の導波器である。放射器６はＶＵ共用型の折返しダイポールアンテナ１０とトラップコイル１１を４つ備えてなり，上述の示す周波数帯域を効率よく受信できる構成となっている。この折返しダイポールアンテナ１０は給電部１２に取り付けられている。この給電部１２は合成樹脂材料を用いて金型成型された防水構造をしており，この給電部１２の内部空間には，前記折返しダイポールアンテナつまりは放射器６の受信出力を受け入れる整合回路２０を介して，当該受信信号を出力端子３１に送り出すためのプリント基板２１が収納されている。
As shown in FIG. 1, the television receiving antenna device 1 has the directors 4, 5, radiators 6, and reflectors 7, 8 arranged on the arm 3.
The director 4 is for UHF, and the director 5 is a VHF director with a trap added. The radiator 6 includes four VU-folded folded dipole antennas 10 and four trap coils 11, and can efficiently receive the above-described frequency band. The folded dipole antenna 10 is attached to the power feeding unit 12. The power feeding unit 12 has a waterproof structure molded by using a synthetic resin material. In the internal space of the power feeding unit 12, a matching circuit 20 that receives the reception output of the folded dipole antenna, that is, the radiator 6 is provided. A printed circuit board 21 for sending the received signal to the output terminal 31 is housed.

このプリント基板２１には，前記整合回路との接続端子２２と，当該接続端子２２からの信号を出力して，宅内等への引き込みようの同軸ケーブル４１を接続するための出力端子３１が設けられている。更にこのプリント基板２１には，他のアンテナ装置２の出力端子からの伝送ケーブル４０が接続される混合入力端子３２が備えられており，このプリント基板２１は他のアンテナ装置２からの受信出力を受け入れる混合器としても構成されて給電部１２に収納されている。尚，本願の実施例においては，前記伝送ケーブルは７５Ωの同軸ケーブルを用いているが，２００Ωフィーダーでも良く，これに対応して混合入力端子３２は７５Ω若しくは２００Ω，７５／２００Ω両用でも良い。
The printed circuit board 21 is provided with a connection terminal 22 for connection to the matching circuit and an output terminal 31 for outputting a signal from the connection terminal 22 and connecting a coaxial cable 41 for drawing into the house or the like. ing. Further, the printed circuit board 21 is provided with a mixed input terminal 32 to which a transmission cable 40 from an output terminal of another antenna device 2 is connected. The printed circuit board 21 receives a reception output from the other antenna device 2. It is comprised also as a mixer which receives, and is accommodated in the electric power feeding part 12. FIG. In the embodiment of the present application, a 75Ω coaxial cable is used as the transmission cable. However, a 200Ω feeder may be used, and correspondingly, the mixed input terminal 32 may be 75Ω, 200Ω, or 75 / 200Ω.

ここで混合器２１の構成の一例を図２に基づいて説明する。ＶＵ共用型の折返しダイポール１０の受信出力を受け入れる整合回路２０からの受信信号は，前記混合器（言い換えればプリント基板）２１に形成された接続端子２２に入力され，入力された受信信号はローパスフィルター２３を介して混合回路２４に入力されてから出力端子３１に出力される。次に他のアンテナ装置２からの受信信号は，同軸ケーブル４０から混合入力端子３２に入力され，プリント基板２１上にプリントパターンでもって形成された整合回路２５によって受け入れられ，入力された受信信号はハイパスフィルター２６を介して混合回路２４に入力され，前記ＶＵ共用型のテレビ受信用アンテナ装置１の受信信号と混合されてから出力端子３１に出力されるように構成されている。ここで他のアンテナ装置２は前記ＶＵ共用型のテレビ受信用アンテナ装置１が受信する電波の到来方向が異なる電波を受信するものであり，例えばＵＨＦアンテナ等が取り付けられ，これらのアンテナ装置１・２は，同一支持体であるアンテナマスト４２等に配設され，夫々電波到来方向に向けて任意に方向調整自在となっている。
本願の発明におけるテレビ受信用アンテナ装置の具体的な受信例について説明する。ＶＵ共用型のテレビ受信用アンテナ装置１が受信する電波は，例えば同一送信点から送信されるＶＨＦ帯域である９０〜２２２ＭＨｚ及びＵＨＦ帯域である４７０〜５４２ＭＨｚであり，他の方向からの電波を受信するアンテナ装置２はＵＨＦ帯域の５２４〜７７０ＭＨｚである。
Here, an example of the configuration of the mixer 21 will be described with reference to FIG. The received signal from the matching circuit 20 that receives the received output of the VU shared type folded dipole 10 is input to the connection terminal 22 formed in the mixer (in other words, the printed circuit board) 21, and the input received signal is a low-pass filter. The signal is input to the mixing circuit 24 via the output terminal 23 and then output to the output terminal 31. Next, the received signal from the other antenna device 2 is input from the coaxial cable 40 to the mixed input terminal 32 and received by the matching circuit 25 formed on the printed circuit board 21 with the printed pattern. The signal is input to the mixing circuit 24 via the high-pass filter 26, mixed with the reception signal of the VU shared television receiving antenna device 1, and then output to the output terminal 31. Here, the other antenna device 2 receives radio waves with different arrival directions of the radio waves received by the VU shared television receiving antenna device 1. For example, a UHF antenna or the like is attached to the antenna device 1. 2 is disposed on the antenna mast 42 or the like, which is the same support, and can be freely adjusted in the direction of the arrival of radio waves.
A specific reception example of the television receiving antenna device according to the present invention will be described. The radio waves received by the VU shared television receiving antenna device 1 are, for example, the VHF band 90 to 222 MHz and the UHF band 470 to 542 MHz transmitted from the same transmission point, and receive radio waves from other directions. The antenna device 2 to be operated is 524 to 770 MHz in the UHF band.

このように本願の発明は，ＶＵ共用型のテレビ受信用アンテナ装置１と，当該アンテナ装置１の放射器６の給電部１２に収納した混合器２１と，当該混合器２１に備えさせた他のアンテナ装置２からの受信信号を入力する混合入力端子３２と，当該混合入力端子３２に伝送ケーブル４０を介して接続され，前記テレビ受信用アンテナ装置１が受信する周波数帯域より高い周波数帯域を受信する他のアンテナ装置２とから構成されており，前記テレビ受信用アンテナ装置１と前記他のアンテナ装置２とは同一の支持体４２で支持され，夫々任意の方向に回転自在に配設されており，更に前記混合器２１はテレビ受信用アンテナ装置１が受信する周波数帯域の高域側と，前記他のアンテナ装置２が受信する周波数帯域の低域側とが相互に重なるように（本願の実施例においては５２４〜５４２ＭＨｚの範囲。）構成されており，例えば同一方向から到来する電波であって，ＶＨＦ局及びＵＨＦ局のｃｈ１９の他に，地上波デジタル放送の開始によって新たに設けられた広域放送用のｃｈ２４が放送されても１つのアンテナ装置１で受信可能であり，更に異なる方向から到来するＵＨＦ局のｃｈ３６を受信するために他のアンテナ装置２を設置すれるだけで容易に受信可能になるのである。更にこのｃｈ３６と同方向の基地局から送信される地上波デジタル放送の開始によって新たに設けられた県域放送用のｃｈ２２やｃｈ２６もこの他のアンテナ装置２によって容易に受信可能となるのである。即ち，より簡単な構成でもって，異なる方向から到来する電波を受信できると共に，新たに開始される地上波デジタル放送の新しいチャンネルの高域放送用のチャンネルも県域放送用のチャンネルも余分な受信用機材を新たに増設することなく対応可能なアンテナ装置が提供できるのである。
As described above, the invention of the present application includes a VU shared television receiving antenna device 1, a mixer 21 housed in the power feeding unit 12 of the radiator 6 of the antenna device 1, and other mixers provided in the mixer 21. A mixed input terminal 32 for receiving a reception signal from the antenna device 2 and a mixed input terminal 32 connected to the mixed input terminal 32 via a transmission cable 40 and receiving a frequency band higher than the frequency band received by the television receiving antenna device 1. The antenna device for receiving television 1 and the antenna device for receiving television 1 and the other antenna device 2 are supported by the same support 42 and are rotatably arranged in arbitrary directions. In the mixer 21, the high frequency side of the frequency band received by the television receiving antenna device 1 and the low frequency side of the frequency band received by the other antenna device 2 overlap each other. (In the embodiment of the present application, a range of 524 to 542 MHz), for example, a radio wave arriving from the same direction. Can be received by one antenna device 1 even if a wide-area broadcasting channel 24 provided in the network is broadcasted, and another antenna device 2 can be installed in order to receive ch 36 of a UHF station coming from a different direction. This makes it easy to receive. Furthermore, the prefectural broadcasting channels 22 and 26 newly provided by the start of digital terrestrial broadcasting transmitted from the base station in the same direction as the channel 36 can be easily received by the other antenna device 2. In other words, it is possible to receive radio waves arriving from different directions with a simpler configuration, and the new high-frequency broadcasting channel and the prefectural broadcasting channel for the newly started terrestrial digital broadcasting are used for extra reception. It is possible to provide an antenna device that can be handled without adding new equipment.

尚，本発明は上記実施例の形態に限定されるものではなく，本発明の趣旨を逸脱しない範囲で各部の構成や組み合わせを適宜に変更して実施することも可能である。
It should be noted that the present invention is not limited to the embodiment described above, and can be implemented by appropriately changing the configuration and combination of each part without departing from the spirit of the present invention.

以下に，本発明を具体化した実施形態の例を，図面を基に詳細に説明する。
本発明に係るテレビ受信用アンテナ装置の斜視図を示す。 本発明に係る混合器の実施例を示すブロック図である。 本発明のテレビ受信用アンテナ装置の給電部の開閉状態を示す平面図である。 Hereinafter, an example of an embodiment embodying the present invention will be described in detail with reference to the drawings.
The perspective view of the antenna apparatus for television reception concerning this invention is shown. It is a block diagram which shows the Example of the mixer which concerns on this invention. It is a top view which shows the open / close state of the electric power feeding part of the antenna apparatus for television reception of this invention.

符号の説明Explanation of symbols

１…テレビ受信用アンテナ装置，２…他のアンテナ装置，３…アーム，４…導波器，５…導波器，６…放射器，７…反射器，８…反射器，１０…折返しダイポールアンテナ，１１…トラップコイル，１２…給電部，２０…整合回路，２１…プリント基板（混合器），２２…接続端子，２３…ローパスフィルター，２３…混合回路，２５…整合回路，２６…ハイパスフィルター，３１…出力端子，３２…混合入力端子。 DESCRIPTION OF SYMBOLS 1 ... Television receiving antenna apparatus, 2 ... Other antenna apparatus, 3 ... Arm, 4 ... Wave director, 5 ... Wave director, 6 ... Radiator, 7 ... Reflector, 8 ... Reflector, 10 ... Folding dipole Antenna 11, trap coil 12, feeding unit 20, matching circuit, 21 printed circuit board (mixer) 22 connection terminal, 23 low-pass filter, 23 mixing circuit, 25 matching circuit, 26 high-pass filter , 31 ... output terminal, 32 ... mixed input terminal.

Claims (5)

テレビ受信用アンテナ装置において，
当該アンテナ装置は，アーム上に放射器と反射器及び導波器等の素子を配設してなり，
前記アンテナ装置の放射器は，ＶＵ共用型の放射器で構成されており，当該放射器の給電部には，前記ＶＵ共用型放射器からの受信出力と，他のアンテナ装置からの受信信号を混合できるよう，当該他のアンテナからの受信信号を入力するための入力端子を備えた混合器を内蔵させたことを特徴としたテレビ受信用アンテナ装置。
In a TV receiving antenna device,
The antenna device has a radiator, a reflector, a director and other elements arranged on an arm.
The radiator of the antenna device is composed of a VU shared type radiator, and a receiving output from the VU shared type radiator and a received signal from another antenna device are supplied to the feeder of the radiator. A television receiving antenna device characterized by incorporating a mixer having an input terminal for inputting a reception signal from the other antenna so as to allow mixing.
前記混合器の入力端子には他のアンテナ装置が伝送ケーブルを介して配設され，前記テレビ受信用アンテナ装置と他のアンテナ装置とが同一支持体でもって支持されたことを特徴としたテレビ受信用アンテナ装置。
Another antenna device is disposed at the input terminal of the mixer via a transmission cable, and the television receiving antenna device and the other antenna device are supported by the same support. Antenna device.
前記ＶＵ共用型放射器が折返しダイポールで構成されたことを特徴とした請求項１又は請求項２に記載のテレビ受信用アンテナ装置。
3. The television receiving antenna apparatus according to claim 1, wherein the VU shared radiator is formed of a folded dipole.
前記混合器は，テレビ受信用アンテナ装置の受信帯域である９０〜２２２ＭＨｚ及び４７０〜５４２ＭＨｚと，前記他のアンテナ装置の受信帯域である５２４〜７７０ＭＨｚとを混合するように構成されていることを特徴とした請求項１乃至請求項３の何れかに記載のテレビ受信用アンテナ装置。
The mixer is configured to mix 90 to 222 MHz and 470 to 542 MHz, which are reception bands of a television receiving antenna device, and 524 to 770 MHz, which are reception bands of the other antenna device. The television receiving antenna device according to any one of claims 1 to 3.
前記混合器は，前記テレビ受信用アンテナ装置からの受信信号を入力する接続端子と低域通過フィルターと混合回路からなる第１の伝送経路と，
前記他のアンテナ装置からの受信信号を入力する混合入力端子と高域通過フィルターと混合回路からなる第２の伝送線路と，
前記第１及び第２の伝送線路を混合した信号を出力する出力端子とからなり，これらの回路はプリント基板に配設されてなる請求項１乃至請求項４に記載のテレビ受信用アンテナ装置。
The mixer includes a first transmission path including a connection terminal for inputting a reception signal from the television receiving antenna device, a low-pass filter, and a mixing circuit;
A second transmission line comprising a mixed input terminal for inputting a received signal from the other antenna device, a high-pass filter, and a mixed circuit;
5. The television receiving antenna device according to claim 1, further comprising an output terminal that outputs a signal obtained by mixing the first and second transmission lines, and these circuits are disposed on a printed circuit board.
JP2003362138A 2003-10-22 2003-10-22 TV receiving antenna device Expired - Lifetime JP4388786B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015211425A (en) * 2014-04-30 2015-11-24 大井電気株式会社 Multiband antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015211425A (en) * 2014-04-30 2015-11-24 大井電気株式会社 Multiband antenna

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