JPS63164717A - Antenna system - Google Patents
Antenna systemInfo
- Publication number
- JPS63164717A JPS63164717A JP31320586A JP31320586A JPS63164717A JP S63164717 A JPS63164717 A JP S63164717A JP 31320586 A JP31320586 A JP 31320586A JP 31320586 A JP31320586 A JP 31320586A JP S63164717 A JPS63164717 A JP S63164717A
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- transmission
- signal
- reception
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- abnormality
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- 230000005540 biological transmission Effects 0.000 claims abstract description 133
- 230000005856 abnormality Effects 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000002159 abnormal effect Effects 0.000 claims description 22
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 7
- 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。 FIG. 3 is a configuration diagram of a conventional antenna device.
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、Ｃ４）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（２１を経由してアンテナ（３）に接続する給
電線路である。In the figure, (2) is a transmitting/receiving circuit that switches between transmitting and receiving, (3) is an antenna, C4) is a transmitting/receiving switching signal line that supplies a transmitting/receiving switching signal to the transmitting/receiving circuit (2), and (5) is a transmitting/receiving circuit. (This is a feed line that connects to the antenna (3) via 21.
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.
ａＺは送信信号、Ｃ３は受信信号である。aZ is a transmission signal, and C3 is a reception 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ａＺ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α
Ｊのときは、送信受信回路（２）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 not in a transmitting state when the transmitting/receiving switching signal is the transmitting signal aZ, and electromagnetic waves are transmitted from the antenna (3) through the feed line (5). On the other hand, the transmission/reception switching signal is the reception signal α
At the time of J, the transmitting/receiving circuit (2) is not in the receiving state, and electromagnetic waves are received by the antenna (3) and transmitted to the power feeding circuit (5).
上記のように、従来のアンテナ装置では、送受切換信号
の送信信号（１３または受信信号０に従って。As mentioned above, in the conventional antenna device, the transmission signal (according to 13 or reception signal 0) of the transmission/reception switching signal.
送信受信回路（２１が動作するため、この送信受信回路
（２）の特性で、連続送信の最大時間または送信の受信
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α２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 (21) operates, if the characteristics of the transmitter/receiver circuit (2) limit the maximum time of continuous transmission or the maximum time ratio of transmission to reception, the source of the transmission/reception switching signal may be If the transmission signal α2 of the transmission/reception switching signal exceeds the above limit due to an abnormality or noise, there is a problem in that the transmission/reception circuit (2) is 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α２が、上記、連続送
信の最大時間または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（２）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 to solve the above-mentioned problems, and due to an abnormality or noise in the source of the transmission/reception switching signal, the transmission signal α2 of the transmission/reception switching signal may exceed the maximum continuous transmission time or An object of the present invention is to obtain an antenna device in which an abnormality in a transmission/reception switching signal can be recognized from the outside without destroying a transmission/reception circuit (2) even if the time ratio of transmission to reception exceeds the maximum value.
この発明に係るアンテナ装置は、送受切換信号の送信信
号または受信信号の１回の信号幅を検出する信号幅検出
回路と、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、そして、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、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
路を内部に含み、この送受切換信号異常検出回路を通過
す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り出力さ
れる異常信号を上記送信受信回路から外部へ伝える異常
信号線を備えたものである。The antenna device according to the present invention includes a signal width detection circuit that detects the signal width of one transmission signal or reception signal of a transmission/reception switching signal, a reference time count circuit that counts a certain reference time, and the reference time It has a signal width addition circuit that calculates the sum of the signal widths of the transmitted signal or received signal in It contains a transmission/reception switching signal abnormality detection circuit that has a transmission/reception switching signal control circuit that converts the transmission/reception switching signal into a reception signal or only a transmission signal. The transmitter/receiver circuit is equipped with a switching transmission/reception circuit, and an abnormality signal line for transmitting an abnormality signal outputted from the transmission/reception switching signal abnormality detection circuit from the transmission/reception circuit to the outside.
この発明においては、信号幅検出回路と信号幅加算回路
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。In this invention, the signal width detection circuit, the signal width addition circuit, and the reference time count circuit detect an abnormality in the transmission/reception switching signal, and the abnormal signal generation circuit and the transmission/reception switching signal control circuit receive the abnormality and generate the transmission/reception switching signal. Only receive or transmit signals.
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、さらに送
受切換信号異常検出回路より出力される異常信号が上記
送信受信回路から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。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. Furthermore, since the abnormal signal output from the transmission/reception switching signal abnormality detection circuit is output from the transmission/reception circuit through the abnormal signal line,
Abnormalities 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、（２）は上記送受切換信号異常
検出回路（１）を内部に含み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、（６）
は送受切換信号異常検出回路！１１から出力される異常
信号を送信受信回路（２）の外部へ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, (2) is a transmission/reception circuit that includes the transmission/reception switching signal abnormality detection circuit (1) inside and switches between transmission and reception; 3) is an antenna, (4) is a transmission/reception switching signal line that supplies a transmission/reception switching signal, and (5) is a transmission/reception circuit (2).
a feed line (6) connected to the antenna (3) via
is the transmission/reception switching signal abnormality detection circuit! This is an abnormal signal line that outputs an abnormal signal output from 11 to the outside of the transmitter/receiver circuit (2).
第２図は、送受切換信号異常検出回路（１１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、 （８１Ｖｉ例えば第４図に示す送
受切換信号の送信信号α２の信号幅を検出する信号幅検
出回路、 （９）Ｆｉ上記基準時間内における上記送信
信号ａｚの信号幅の総和を求める信号幅加算回路、（ｌ
ｉｆ′ｉ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、収りは。FIG. 2 is an internal configuration diagram of the transmission/reception switching signal abnormality detection circuit (11). (7) is a reference time counting circuit that counts a certain period of time; a signal width detection circuit that detects the signal width of α2; (9) a signal width addition circuit that calculates the sum of the signal widths of the transmission signal az within the reference time; (l
if'i An abnormality signal generation circuit that generates an abnormality signal when an abnormality occurs in the transmission/reception switching signal.
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、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 outputs the input transmission/reception switching signal as is when no abnormal signal is input, and converts all input transmission/reception switching signals into reception signals when an abnormal signal is input.
上記のように構成されたアンテナ装置の動作について説
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、信号幅検出回路（８）は、送受切換
信号の送信信号ｔ１７Ｊの１回の信号幅を検出する。も
しこの信号幅が送信受信回路（２）の特性であ・る連続
送信の最大時間を超えた場合には。The operation of the antenna device configured as described above will be explained. When the transmission/reception switching signal is input to the transmission/reception switching signal abnormality detection circuit (1), the signal width detection circuit (8) detects one signal width of the transmission signal t17J of the transmission/reception switching signal. If this signal width exceeds the maximum continuous transmission time, which is a characteristic of the transmitter/receiver circuit (2).
信号幅検出回路（８）は、異常信号発生回路顛に異常の
発生を伝える。また、基準時間カウント回路（７）と信
号幅加算回路（９）は、基準時間内における送受切換信
号の送信信号ｔ１ｚ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。そして。The signal width detection circuit (8) notifies the abnormality signal generation circuit of the occurrence of an abnormality. Further, the reference time count circuit (7) and the signal width addition circuit (9) calculate the sum of the signal widths of the transmission signal t1z of the transmission/reception switching signal within the reference time, and detect the time ratio of transmission to reception. and.
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（９）は、異常信号発生回路α〔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 (9) Report the occurrence of
異常信号発生回路＋ＩＱは、信号幅検出回路（８）ある
いは信号幅加算回路（９）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
αυに伝え、さらに異常信号線（６１を通じて外部へ異
常信号を出力する。The abnormal signal generation circuit +IQ generates an abnormal signal when it receives the occurrence of an abnormality from the signal width detection circuit (8) or the signal width addition circuit (9), transmits this abnormal signal to the transmission/reception switching signal control circuit αυ, and further detects the abnormality. An abnormal signal is output to the outside through the signal line (61).
送受切換信号制御回路α１）ハ、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（ＩＧ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α３に変換し
て出力する。Transmission/reception switching signal control circuit α1) C. If there is no abnormality in the transmission/reception switching signal, the transmission/reception switching signal input at that time is output as is. Regardless of the state of the transmission/reception switching signal, the transmission/reception switching signal is converted into a reception signal α3 and output.
したがって、送信受信回路（２）に入力される送受切換
信号の送信信号ｔ１７Ｊが、送信受信回路（２１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により送受切換信号は受信信号α３に変換さ
れてしまう。Therefore, if the transmission signal t17J of the transmission/reception switching signal input to the transmission/reception circuit (2) exceeds the transmission limit due to the characteristics of the transmission/reception circuit (21), the transmission/reception switching signal abnormality detection circuit +11 receives the transmission/reception switching signal. It is converted into signal α3.
つまり、送信受信回路（２）への入力時、送受切換信号
に異常が生じても、送受切換信号異常検出回路（１）に
より送受切換信号は、受信信号α３に変換されるので、
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＜１２ｔｉ入力されない。したがって、送信受信
回路（２１の破壊を防ぐことができる。In other words, even if an abnormality occurs in the transmission/reception switching signal when input to the transmission/reception circuit (2), the transmission/reception switching signal is converted into the reception signal α3 by the transmission/reception switching signal abnormality detection circuit (1).
A transmission signal <12ti exceeding the transmission limit due to the characteristics of the transmission/reception circuit (2:) is not input. Therefore, destruction of the transmission/reception circuit (21) 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、送信受信回路（２）から異常信号線（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。Furthermore, the abnormal signal output from the transmission/reception switching signal abnormality detection circuit (11) is transmitted from the transmission/reception circuit (2) to the abnormal signal line (6
), so the abnormality in the transmission/reception switching signal can be recognized even externally.
なお、上記実施例では送信受信回路＋２１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 +21, 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（１３と受信信号α３の組み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. You can expect.
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ａｚ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０２とし、高レ
ベルを受信信号０３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 az, and the low level was explained as the reception signal α3. Similar effects can be expected.
以上のように、この発明によれば９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、信号幅検出回路と信号幅加算回路と基
準時間カウント回路を備え。As described above, according to the present invention, an antenna device that switches between transmission and reception in a 9-time division manner is equipped with a signal width detection circuit, a signal width addition circuit, and a reference time counting circuit in order to detect abnormalities in transmission and reception switching signals. .
その異常を受けて送受切換信号を制御するために。In order to control the transmission/reception switching signal in response to the abnormality.
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を内部に含み、この送受切換信号
異常検出回路を通過す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。A transmitting/receiving circuit that includes a transmitting/receiving switching signal abnormality detection circuit equipped with an abnormal signal generation circuit and a transmitting/receiving switching signal control circuit, and is switched between transmission and reception by a transmitting/receiving switching signal that passes through the transmitting/receiving switching signal abnormality detection circuit.
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
を上記送信受信回路の外部へ伝える異常信号線により構
成したので、送信受信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。Since the abnormal signal line is configured to transmit the abnormal signal output from the transmit/receive switching signal abnormality detection circuit to the outside of the transmit/receive circuit, even if an abnormality occurs in the input standby/receive switch signal to the transmit/receive circuit, the transmit/receive circuit This has the effect that the transmission/reception switching signal is not destroyed, and abnormalities in the transmission/reception 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
いた送受切換信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、（７１は
基準時間カウント回路、（８）は信号幅検出回路、（９
）は信号幅加算回路、 ｉｎは異常信号発生回路、００
は送受切換信号制御回路、αＸ５は送信信号、 ０３は
受信信号である。
なお９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 the transmission/reception switching signal used for both explanation. 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, (71 is the reference time count circuit, (8) is the signal width detection circuit, (9) is the
) is the signal width addition circuit, in is the abnormal signal generation circuit, 00
03 is a transmission/reception switching signal control circuit, αX5 is a transmission signal, and 03 is a reception signal. In addition, in FIG. 9, the same reference numerals indicate the same or corresponding parts.
Claims (1)
て、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１回の信号幅を検出する信号幅検出
回路、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、上記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、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
信号制御回路より構成される送受切換信号異常検出回路
を内部に含む送信受信回路と、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上記送信受信回路から
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 signal width detection circuit that detects the signal width of one transmission signal or reception signal of a transmission/reception switching signal that controls transmission and reception switching, and counts a certain reference time. a signal width addition circuit that calculates the sum of the signal widths of the transmission signal or the reception signal within this reference time; an abnormality signal generation circuit that generates an abnormality signal when an abnormality occurs in the transmission/reception switching signal; A transmitting/receiving circuit including a transmitting/receiving switching signal abnormality detection circuit which is made up of a transmitting/receiving switching signal control circuit that receives this abnormal signal and converts the inputted transmitting/receiving switching signal into a receiving signal or only a transmitting signal; An antenna device comprising an abnormal signal line that transmits an abnormal signal output from the signal abnormality detection circuit from the transmission/reception circuit to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320586A JPS63164717A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320586A JPS63164717A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164717A true JPS63164717A (en) | 1988-07-08 |
Family
ID=18038366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31320586A Pending JPS63164717A (en) | 1986-12-26 | 1986-12-26 | Antenna system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164717A (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 JP31320586A patent/JPS63164717A/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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