JPS63164719A - Antenna system - Google Patents
Antenna systemInfo
- Publication number
- JPS63164719A JPS63164719A JP31320786A JP31320786A JPS63164719A JP S63164719 A JPS63164719 A JP S63164719A JP 31320786 A JP31320786 A JP 31320786A JP 31320786 A JP31320786 A JP 31320786A JP S63164719 A JPS63164719 A JP S63164719A
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- JP
- Japan
- Prior art keywords
- transmission
- signal
- reception
- circuit
- switching signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 130
- 230000005856 abnormality Effects 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000002159 abnormal effect Effects 0.000 claims description 30
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 9
- 230000006378 damage Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
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Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、送受切換信号により、送信と受信を時分割
で切換えるアンテナ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an antenna device that switches transmission and reception in a time-division manner using a transmission/reception switching signal.
第３図は、従来のアンテナ装置の構成図である。 −
図において、（２）は送信と受信を切換える送信受信回
路、（３）はア、ンテナ、（４）は送信受信回路（２）
に送受切換信号を供給する送受切換信号線、（５）は送
信受信回路（２：を経由してアンテナ（３）に接続する
給電線路である。FIG. 3 is a configuration diagram of a conventional antenna device. −
In the figure, (2) is the transmitter/receiver circuit that switches between transmitting and receiving, (3) is the antenna, and (4) is the transmitter/receiver circuit (2).
A transmission/reception switching signal line (5) is a feed line that connects to the antenna (3) via the transmission/reception circuit (2:).
第４図は、送受切換信号の一例を示す図である。FIG. 4 is a diagram showing an example of a transmission/reception switching signal.
α９は送信信号、α２は受信信号である。α9 is a transmitted signal, and α2 is a received signal.
次に動作について説明する。送信受信回路（２）には、
第４図に示すような送受切換信号が、送受切換信号線（
４）より入力される。このとき、送信受信回路（２：は
、送受切換信号が、送信信号（Ｉｌｌのときは送信状態
となシ、給電線路（５）を通じてアンテナ（３）から電
磁波が送信される。これに対し、送受切換信号が受信信
号ＣＩ？Ｊのときは、送信受信回路（２１は受信状態と
なシ、電磁波がアンテナ（３）より受信され給電回路（
５）へ伝えられる。Next, the operation will be explained. The transmitter/receiver circuit (2) includes:
The transmission/reception switching signal as shown in Figure 4 is connected to the transmission/reception switching signal line (
4) Input from. At this time, the transmitting/receiving circuit (2) is in the transmitting state when the transmitting/receiving switching signal is the transmitting signal (Ill), and electromagnetic waves are transmitted from the antenna (3) through the feed line (5). When the transmission/reception switching signal is the reception signal CI?J, the transmission/reception circuit (21 is not in the receiving state), the electromagnetic wave is received from the antenna (3) and the power supply circuit (
5).
上記のよって、従来のアンテナ装置では、送受切換信号
の送信信号αυまたは受信信号ａ３に従って。According to the above, in the conventional antenna device, according to the transmission signal αυ or the reception signal a3 of the transmission/reception switching signal.
送信受信回路（２）が動作するため、この送信受信回路
（２）の特性で、送信の受信に対する時間的割合の最大
値に制限がある場合、送受切換信号の発生源の異常やノ
イズなどにより、送受切換信号の送信信号のαυが上記
制限を超えると、送信受信回路（２）が破壊されてしま
うという問題があった。Since the transmitter/receiver circuit (2) operates, if there is a limit to the maximum time ratio of transmission to reception due to the characteristics of the transmitter/receiver circuit (2), this may occur due to an abnormality in the source of the transmitter/receiver switching signal, noise, etc. If αυ of the transmission signal of the transmission/reception switching signal exceeds the above limit, there is a problem that the transmission/reception circuit (2) will be destroyed.
この発明は、上記のような問題点を解消するためになさ
れたもので、送受切換信号の発生源の異常やノイズなど
により、送受切換信号の送信信号αυが、上記、送信の
受信に対する時間的割合の最大値を超えても、送信受信
回路（２１は破壊されず送受切換信号の異常を外部より
認知できるアンテナ装置を得ることを目的とする。This invention was made in order to solve the above-mentioned problems. Due to an abnormality or noise in the source of the transmission/reception switching signal, the transmission signal αυ of the transmission/reception switching signal may be It is an object of the present invention to provide an antenna device in which an abnormality in a transmission/reception switching signal can be recognized from the outside without destroying the transmission/reception circuit (21) even if the maximum value of the ratio is exceeded.
この発明に係るアンテナ装置は、ある一定の基準時間を
カウントする基準時間カウント回路と。An antenna device according to the present invention includes a reference time counting circuit that counts a certain reference time.
この基準時間内の送信信号または受信信号の信号幅の総
和を求める信号幅加算回路を持ち、さらに。It further includes a signal width addition circuit that calculates the sum of the signal widths of the transmitted signal or received signal within this reference time.
送受切換信号に異常があった場合に異常信号を発生する
異常信号発生回路と、この異常信号を受けて送受切換信
号を受信信号または送信信号のみに変換する送受切換信
号制御回路を持った送受切換信号異常検出回路を備え、
この送受切換信号異常検出回路よ多出力される送受切換
信号により送信と受信が切換わる送信受信回路、さらに
上記送受切換信号異常検出回路よ多出力される異常信号
を外部へ伝える異常信号線を備えたものである。A transmit/receive switch that has an abnormal signal generation circuit that generates an abnormal signal when there is an abnormality in the transmit/receive switch signal, and a transmit/receive switch signal control circuit that receives this abnormal signal and converts the transmit/receive switch signal into a receive signal or a transmit signal only. Equipped with a signal abnormality detection circuit,
This transmission/reception switching signal abnormality detection circuit has a transmission/reception circuit that switches between transmission and reception according to the transmission/reception switching signal outputted from the transmission/reception switching signal abnormality detection circuit, and an abnormality signal line that transmits the abnormality signal outputted from the transmission/reception switching signal abnormality detection circuit to the outside. It is something that
この発明においては、信号幅加算回路と基準時間カウン
ト回路により送受切換信号の異常を検出し、異常信号発
生回路と送受切換信号制御回路が上記異常を受けて、送
受切換信号を受信信号または送信信号のみにしてしまう
。したがって、異常な送受切換信号が、送受切換信号異
常検出回路に入力されると、送受切換信号異常検出回路
は、送信受信回路が破壊されない送受切換信号を出力す
るため、送信受信回路の破壊を防ぐことができ。In this invention, an abnormality in the transmission/reception switching signal is detected by a signal width addition circuit and a reference time counting circuit, and an abnormal signal generation circuit and a transmission/reception switching signal control circuit receive the abnormality and convert the transmission/reception switching signal into a reception signal or a transmission signal. I only do it. Therefore, when an abnormal transmission/reception switching signal is input to the transmission/reception switching signal abnormality detection circuit, the transmission/reception switching signal abnormality detection circuit outputs a transmission/reception switching signal that does not destroy the transmission/reception circuit, thereby preventing damage to the transmission/reception circuit. It is possible.
さらに送受切換信号異常検出回路より異常信号が異常信
号線を通じて出力されるため、送受切換信号の異常を外
部でも認知できる。Further, since an abnormal signal is outputted from the transmission/reception switching signal abnormality detection circuit through the abnormal signal line, an abnormality in the transmission/reception switching signal can be recognized externally.
第１図は、この発明の一実施例を示す構成図である。図
において、（１）は送受切換信号の異常を検出する送受
切換信号異常検出回路、（２１は送信と受信を切換える
送信受信回路、（３１はアンテナ、（４）は送受切換信
号を供給する送受切換信号線、 （５１＃ｉ送信受信回
路（２）を経由してアンテナ＋３１に接続する給電線路
、（６）は送受切換信号異常検出回路（１）からの異常
信号を出力する異常信号線である。FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, (1) is a transmission/reception switching signal abnormality detection circuit that detects an abnormality in the transmission/reception switching signal, (21 is a transmission/reception circuit that switches between transmission and reception, (31 is an antenna, and (4) is a transmission/reception switching signal that supplies the transmission/reception switching signal. Switching signal line, (feeding line connected to antenna +31 via 51#i transmitting/receiving circuit (2), (6) is the abnormal signal line that outputs the abnormal signal from the transmitting/receiving switching signal abnormality detection circuit (1) be.
第２図は、送受切換信号異常検出回路（１）の内部構成
図である。（７）はある一定の時間をカウントする基準
時間カウント回路、（８）は上記基準時間内における例
えば第４図に示す送受切換信号の送信信号ａυの信号幅
の総和を求める信号幅加算回路、（９）は上記送受切換
信号に異常が生じた場合に異常信号を発生する異常信号
発生回路、 （ＩＧは、異常信号が入力されない場合は
、入力された送受切換信号をそのまま出力し、異常信号
が入力された場合は。FIG. 2 is an internal configuration diagram of the transmission/reception switching signal abnormality detection circuit (1). (7) is a reference time counting circuit that counts a certain period of time; (8) is a signal width addition circuit that calculates the sum of the signal widths of the transmission signal aυ of the transmission/reception switching signal shown in FIG. 4 within the reference time; (9) is an abnormal signal generation circuit that generates an abnormal signal when an abnormality occurs in the transmission/reception switching signal; (IG outputs the input transmission/reception switching signal as is when no abnormal signal is input, If entered.
入力された送受切換信号をすべて受信信号に変換する送
受切換信号制御回路である。This is a transmission/reception switching signal control circuit that converts all input transmission/reception switching signals into reception signals.
上記のように構成されたアンテナ製電の動作について説
明する。送受切換信号異常検出回路（１）に送受切換信
号が入力されると、基準時間カウント回路（７）と信号
幅加算回路（８）は、基準時間内における送受切換信号
の送信ｆ８号αυの信号幅の総和を求め、送信の受信に
対する時間的割合を検出する。The operation of the antenna power production constructed as above will be explained. When a transmission/reception switching signal is input to the transmission/reception switching signal abnormality detection circuit (1), the reference time counting circuit (7) and the signal width addition circuit (8) detect the transmission/reception switching signal of the transmission f8 αυ within the reference time. The sum of the widths is determined to find the time ratio of transmission to reception.
そして、もしこの時間的割合が送信受信回路（２）の特
性である送信の受信に対する時間的割合の最大値を超え
た場合には、信号幅加算回路（８１ｉｊ 、異常、信号
発生回路（９）に異常の発生を伝える。If this time ratio exceeds the maximum value of the time ratio of transmission to reception, which is a characteristic of the transmission/reception circuit (2), the signal width addition circuit (81ij, abnormality, signal generation circuit (9) Notify the staff of the occurrence of an abnormality.
異常信号発生回路（９）は、＠骨幅加算回路（８）から
異常の発生を受けると異常信号を発生し、この異常信号
を送受切換信号制御回路Ｑ［Ｉに伝え、さらに異常信号
線（６）を通じて外部へ異常信号を出力する。The abnormal signal generation circuit (9) generates an abnormal signal when it receives the occurrence of an abnormality from @bone width addition circuit (8), transmits this abnormal signal to the transmission/reception switching signal control circuit Q[I, and further connects the abnormal signal line ( 6) outputs an abnormal signal to the outside.
送受切換信号制御回路ααは、送受切換信号に異常がな
い場合、そのとき入力されている送受切換信号をそのま
ま出力するが異常信号発生回路（９）からの異常信号を
受けとると、そのとき入力されている送受切換信号の状
態にかかわらず送受切換信号を受信信号０に変換して出
力する。If there is no abnormality in the transmission/reception switching signal, the transmission/reception switching signal control circuit αα outputs the transmission/reception switching signal input at that time as is, but when it receives an abnormal signal from the abnormal signal generation circuit (9), it outputs the transmission/reception switching signal input at that time. Regardless of the state of the transmission/reception switching signal, the transmission/reception switching signal is converted into a received signal 0 and output.
したがって、送受切換信号異常検出回路（１）に入力さ
れる送受切換信号の送信信号αυが、送信受信回路（２
１の特性による送信の制限を超えた場合、送受切換信号
異常検出回路（１１からは、送受切換信号として受信信
号＋１２のみが出力される。Therefore, the transmission signal αυ of the transmission/reception switching signal input to the transmission/reception switching signal abnormality detection circuit (1) is
When the transmission limit due to the characteristics of 1 is exceeded, only the reception signal +12 is outputted from the transmission/reception switching signal abnormality detection circuit (11) as the transmission/reception switching signal.
つｇ、送受切換信号異常検出回路（１１への入力時、送
受切換信号に異常が生じても、送信受信回路（２）には
受信信号α２のみが入力されるので、送信受信回路（２
）の特性による送信の制限を超える送信信号α１Ｊは入
力されない。したがって、送信受信回路（２νの破壊を
防ぐことができる。g. When input to the transmission/reception switching signal abnormality detection circuit (11), even if an abnormality occurs in the transmission/reception switching signal, only the reception signal α2 is input to the transmission/reception circuit (2).
) The transmission signal α1J that exceeds the transmission limit due to the characteristics of Therefore, destruction of the transmitter/receiver circuit (2v) can be prevented.
さらに、送受切換信号異常検出回路（１１より出力され
る異常信号は、異常信号線（６）を通じて外部へ伝えら
れるので、外部でも送受切換信号の異常を認知すること
ができる。Further, since the abnormal signal output from the transmission/reception switching signal abnormality detection circuit (11) is transmitted to the outside through the abnormal signal line (6), the abnormality of the transmission/reception switching signal can be recognized even outside.
なお、上記実施例では送信受信回路（２）の特性に送信
の制限がある場合について説明したが、受信の制限があ
る場合にも同様の効果を期待できる。In the above embodiment, a case has been described in which there is a restriction on transmission due to the characteristics of the transmitter/receiver circuit (2), but similar effects can be expected even when there is a restriction on reception.
また、上記実施例では、第４図に示す送受切換信号につ
いて説明したが、他のさまざまな信号幅を持った送信信
号ａυと受信信号α２の組合せによる送受切換信号の場
合にも同様の効果を期待できる。Furthermore, in the above embodiment, the transmission/reception switching signal shown in FIG. 4 has been explained, but the same effect can be obtained in the case of transmission/reception switching signals based on combinations of the transmission signal aυ and the reception signal α2 having various other signal widths. You can expect it.
また、上記実施例では、送受切換信号の高レベルを送信
信号（Ｉυとして、低レベルを受信信号α３として説明
したが、これが逆に、低レベルを送信信号なυとし、高
レベルを受信信号α２としても同様の効果を期待できる
。Furthermore, in the above embodiment, the high level of the transmission/reception switching signal was explained as the transmission signal (Iυ), and the low level was explained as the reception signal α3. A similar effect can be expected.
以上のように、この発明によれば１時分割により送信と
受信を切換えるアンテナ装置を、送受切換信号の異常を
検出するために、信号幅加算回路と基準時間カウント回
路を備え、その異常を受けて送受切換信号を制御するた
めに、異常信号発生回路と送受切換信号制御回路を備え
た送受切換信号異常検出回路と、この送受切換信号異常
検出回路よ多出力される送受切換信号により送信と受信
が切換わる送信受信回路と、上記送受切換信号異常検出
回路より出力される異常信号を外部へ伝える異常信号線
により構成したので、送受切換信号異常検出回路への入
力待送受切換信号に異常が生じても、送信受信回路が破
壊されることがなくなシ、さらに外部より送受切換信号
の異常を認知できるという効果がある。As described above, according to the present invention, an antenna device that switches transmission and reception by one time division is equipped with a signal width adding circuit and a reference time counting circuit in order to detect an abnormality in a transmission/reception switching signal, In order to control the transmission/reception switching signal, a transmission/reception switching signal abnormality detection circuit is equipped with an abnormality signal generation circuit and a transmission/reception switching signal control circuit, and the transmission/reception switching signal output from the transmission/reception switching signal abnormality detection circuit is used to control transmission and reception. It is constructed with a transmitting/receiving circuit that switches between the transmission and receiving circuit, and an abnormal signal line that transmits the abnormal signal output from the transmission/reception switching signal abnormality detection circuit to the outside. Even if the transmitting/receiving circuit is not destroyed even if the transmitting/receiving circuit is damaged, there is an advantage that abnormalities in the transmitting/receiving switching signal can be recognized from the outside.
第１図は、この発明の一実施例を示す構成図。
第２図は、第１図に示される送受切換信号異常検出回路
の内部構成図、第３図は、従来の装置の構成図、第４図
は、この発明の一実施例と従来の装置の両方の説明に用
いた送受切換１８号の一例を示す図である。
図において、（１）は送受切換信号異常検出回路。
（２）は送信受信回路、（６）は異常信号線、（７）は
基準時間カウント回路、Ｚ８）は信号幅加算回路、（９
）は異常信号発生回路、αＧは送受切換信号制御回路、
α９は送信信号、 ａ”ａは受信信号である。
なお１図中、同一符号は同一、または相当部分を示す。FIG. 1 is a configuration diagram showing an embodiment of the present invention. 2 is an internal configuration diagram of the transmission/reception switching signal abnormality detection circuit shown in FIG. 1, FIG. 3 is a configuration diagram of a conventional device, and FIG. 4 is a diagram of an embodiment of the present invention and a conventional device. It is a figure which shows an example of transmission/reception switching No. 18 used for both explanations. In the figure, (1) is a transmission/reception switching signal abnormality detection circuit. (2) is the transmission/reception circuit, (6) is the abnormal signal line, (7) is the reference time count circuit, Z8) is the signal width addition circuit, (9) is the
) is the abnormal signal generation circuit, αG is the transmission/reception switching signal control circuit,
α9 is a transmitted signal, and a''a is a received signal. In FIG. 1, the same reference numerals indicate the same or equivalent parts.
Claims (1)
て、ある一定の基準時間をカウントする基準時間カウン
ト回路、この基準時間内の、送信と受信の切換制御を行
う送受切換信号の送信信号または受信信号の信号幅の総
和を求める信号幅加算回路、上記送受切換信号に異常が
生じた場合に異常信号を発生する異常信号発生回路、こ
の異常信号を受けて、入力された送受切換信号を受信信
号または送信信号のみに変換する送受切換信号制御回路
を備えた送受切換信号異常検出回路と、上記送受切換信
号異常検出回路より出力される送受切換信号により、送
信と受信が切換わる送信受信回路と、上記送受切換信号
異常検出回路より出力される異常信号を外部へ伝える異
常信号線を備えたことを特徴とするアンテナ装置。In an antenna device that switches transmission and reception by time division, a reference time count circuit that counts a certain reference time, a transmission signal or a reception signal of a transmission/reception switching signal that controls switching between transmission and reception within this reference time. A signal width addition circuit that calculates the sum of the widths, an abnormal signal generation circuit that generates an abnormal signal when an abnormality occurs in the above transmission/reception switching signal, and upon receiving this abnormal signal, converts the input transmission/reception switching signal into a reception signal or transmission signal. a transmission/reception switching signal abnormality detection circuit equipped with a transmission/reception switching signal control circuit that converts the transmission/reception switching signal into a signal, a transmission/reception circuit that switches between transmission and reception according to the transmission/reception switching signal output from the transmission/reception switching signal abnormality detection circuit; An antenna device comprising an abnormal signal line that transmits an abnormal signal output from a signal abnormality detection circuit to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320786A JPS63164719A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320786A JPS63164719A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164719A true JPS63164719A (en) | 1988-07-08 |
Family
ID=18038395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31320786A Pending JPS63164719A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164719A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56122247A (en) * | 1980-02-29 | 1981-09-25 | Fujitsu Ten Ltd | Limiter of transmission time and frequency of transmission/reception device |
| JPS57150236A (en) * | 1981-03-12 | 1982-09-17 | Fujitsu Ten Ltd | Channel shared type receiving device |
-
1986
- 1986-12-26 JP JP31320786A patent/JPS63164719A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56122247A (en) * | 1980-02-29 | 1981-09-25 | Fujitsu Ten Ltd | Limiter of transmission time and frequency of transmission/reception device |
| JPS57150236A (en) * | 1981-03-12 | 1982-09-17 | Fujitsu Ten Ltd | Channel shared type receiving device |
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