JPS6272231A - Multi-channel radio transmitter - Google Patents
Multi-channel radio transmitterInfo
- Publication number
- JPS6272231A JPS6272231A JP21302485A JP21302485A JPS6272231A JP S6272231 A JPS6272231 A JP S6272231A JP 21302485 A JP21302485 A JP 21302485A JP 21302485 A JP21302485 A JP 21302485A JP S6272231 A JPS6272231 A JP S6272231A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- circuit
- transmission
- wave
- permitted
- 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.)
- Pending
Links
Landscapes
- Transmitters (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、比較的広帯域の周波数範囲にわたって、は
ぼ等間隔の周波数の送信電波を切換えによって発生する
ことのできるマルチチャンネル無線送信機に関するもの
である。[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a multi-channel radio transmitter that can generate transmission radio waves at approximately evenly spaced frequencies over a relatively wide frequency range by switching. It is.
第２図は、従来のこの種のマルチチャンネル無線送信機
のブロック構成を示すもので、図において、１は送信周
波数設定回路、２はこの設定回路１による周波数設定に
よって所定の送信周波数を発生する周波数合成回路、４
は周波数合成回路２１の出力を所要の送信電力値まで増
幅するための送□
′“”１）１）１）ｆｆｉｌ？＆゛５４“２゛“ｔＪ３
．ｆＪ＠ＢｋＭｔ ’ａ ｋＭｙ°９９１□。FIG. 2 shows a block configuration of a conventional multi-channel radio transmitter of this kind. In the figure, 1 is a transmission frequency setting circuit, and 2 is a circuit that generates a predetermined transmission frequency by setting the frequency by this setting circuit 1. Frequency synthesis circuit, 4
is a transmission signal for amplifying the output of the frequency synthesis circuit 21 to a required transmission power value □ ′“”1)1)1)ffil? &゛54“2゛”tJ3
．． fJ@BkMt 'a kMy°991□.
線である。It is a line.
次に動作について説明する。マルチチャンネル無線送信
機は多くの場合、いわゆる周波数シンセ□
サイザと呼ばれる回路を有しており、これにより
１送信機前面板ダイヤルや制御回路から与えら
れる ：′指定周波数値に対応する信号を
発生することかできるものであ７て、送信機が有する能
力周波数筒 ：い、ゎえ７−ｃｌよつ□。い
う、４□、６□ １数をも送信することが可
能なものである。このた ：あ、工、８□
□。、、１カ、６４え、６□。 １値はダイヤル
としてのスイッチそのものからあるいは一旦記憶回路な
どを介して、周波数合成回路２に措定周波数値として与
えられる０周波数合成回路２はこの数値に対応する周波
数を発生するもので、通常はこの周波数合成回路２に内
蔵される永晶発振器により制御され極めて正確で安定な
周波数出力を出力する。送信増幅回路４はこの周波数出
力を送（ｆｉ機として所要の出力まで電力増幅してその
送信出力を空中線５を経由して空中に放射するものであ
る。Next, the operation will be explained. Multichannel radio transmitters often have a circuit called a frequency synthesizer□ sizer, which allows
1 Given from the dial on the front panel of the transmitter or the control circuit: It is capable of generating a signal corresponding to a specified frequency value. □. It is possible to transmit even the numbers 4□, 6□ and 1. Konota: Ah, engineering, 8□
□. ,, 1ka, 64e, 6□. The 1 value is given to the frequency synthesis circuit 2 as a predetermined frequency value either from the switch itself as a dial or once via a memory circuit.The 0 frequency synthesis circuit 2 generates a frequency corresponding to this value, and usually this It is controlled by a permanent crystal oscillator built into the frequency synthesis circuit 2 and outputs an extremely accurate and stable frequency output. The transmission amplification circuit 4 transmits this frequency output, amplifies the power to a required output as an FI machine, and radiates the transmission output into the air via the antenna 5.
従来のマルチチャンネル無線送信機は以上のように構成
されており、送信周波数設定回路１からの周波数設定数
値に対応するいかなる周波数をも発生することができる
ものであって、それが本来の機能ではあるが、操作（周
波数設定数値）をまちがえると、予め無線局として許可
された周波数以外の送信電波を発射してしまうなどの問
題点があった。The conventional multi-channel radio transmitter is configured as described above, and can generate any frequency corresponding to the frequency setting value from the transmission frequency setting circuit 1, but this is not its original function. However, if the operation (frequency setting value) is incorrect, there are problems such as transmitting radio waves at a frequency other than the one permitted by the radio station in advance.
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、許可波だけしか送信しないように運用するこ
とのできるマルチチャンネル無線送信機を得ることを目
的とする。This invention was made to solve the above-mentioned problems, and an object of the present invention is to obtain a multi-channel radio transmitter that can be operated so as to transmit only permitted waves.
この発明に係るマルチチャンネル無線送ｆΔ機は、電波
発射を許容された周波数値または電波発射が禁止された
周波数値を記憶するメモリと、送信の際の設定送信周波
数値と前記許容周波数値または禁止周波数値とを照合す
る照合手段と、前記設定送ず８問波数値が前記許容周波
数値と合致した時のみ電波発射を可能とし前記設定周波
数値が前記禁止周波数値と合致した時電波発射を禁止す
る不許可波発射禁止手段とを設けるようにしたものであ
る゛。The multi-channel wireless transmission fΔ device according to the present invention includes a memory that stores a frequency value at which radio wave emission is permitted or a frequency value at which radio wave emission is prohibited, a set transmission frequency value at the time of transmission, and the permissible frequency value or prohibited frequency value at the time of transmission. A verification means for comparing the frequency value with the frequency value, and radio wave emission is enabled only when the set 8-question wave value matches the permissible frequency value, and radio wave emission is prohibited when the set frequency value matches the prohibited frequency value. A means for prohibiting the emission of unauthorized waves is provided.
（作用〕
この発明においては、メモリに許容周波数または禁止周
波数が記憶されており、照合手段により送信の際の設定
周波数がメモリの内容と照合されるから、不許可波の発
射が禁止される。(Operation) In the present invention, the memory stores the permissible frequency or the prohibited frequency, and the collation means collates the set frequency for transmission with the contents of the memory, so that emission of the disallowed wave is prohibited.
以下、この発明の一実施例を図について説明する。第１
図は本発明の一実施例によるマルチチャンネル無線送信
機を示し、図において、第２図と同一符号は同一のもの
を示す。３はゲート回路（不許可波発射禁止手段）であ
り、照合回路８により制御される。また６は許可波を設
定するための許可波設足回路、７はそれを記憶する許可
波記憶回路（メモリ）で、通常は複数の許可波が設定さ
れる。８は送信周波数指定数値と許可波の周波数値との
数値照合を行なう照合回路（照合手段）である。なおス
イッチ９は、照合回路８の機能を必′すにより動作させ
たり停止させたりするものである。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure shows a multi-channel radio transmitter according to an embodiment of the present invention, and in the figure, the same reference numerals as in FIG. 2 indicate the same parts. Reference numeral 3 denotes a gate circuit (disallowed wave emission prohibition means), which is controlled by a verification circuit 8. Further, 6 is a permission wave setting circuit for setting a permission wave, and 7 is a permission wave storage circuit (memory) for storing the permission wave, in which usually a plurality of permission waves are set. 8 is a verification circuit (verification means) that performs numerical verification between the designated transmission frequency value and the frequency value of the permission wave. The switch 9 is used to operate or stop the function of the verification circuit 8 as necessary.
次に動作について説明する。Next, the operation will be explained.
送信周波数設定回路１７−指定された数値は、周波数合
成回路２に与えられ、この周波数合成回路２は所定の周
波数信号を発生する。ゲート回路３が”開”のときには
、その周波数信号は送信増幅回路４に供給され、所要の
送信電力値まで増幅されて空中線５がら空中・＼放射さ
れる。Transmission frequency setting circuit 17 - The specified numerical value is given to frequency synthesis circuit 2, which generates a predetermined frequency signal. When the gate circuit 3 is "open", the frequency signal is supplied to the transmission amplifier circuit 4, amplified to a required transmission power value, and radiated into the air from the antenna 5.
但し本実施例では予め、所轄官庁から無線局運用のため
に与えられた周波数値を許可波設足回路６から入力し、
許可波記憶回路７に記憶させておくことができ、こうす
ることにより照合回路８は送信周波数設定回路ｌからの
数値と、許可波記憶回路７からの数値を、数字として照
合し、この数値が合致したときにはゲート回路３を“開
゛にし、合致しないときには、ゲート回路３を“閉°に
する。その結果、許可波以外の周波数を操作ミスなどに
より空中に放射することを防止することができる。However, in this embodiment, the frequency value given by the competent authority for radio station operation is inputted in advance from the permission wave installation circuit 6,
By doing so, the collation circuit 8 collates the numerical value from the transmission frequency setting circuit l and the numerical value from the permitted wave memory circuit 7 as numbers, and this numerical value is When they match, the gate circuit 3 is opened; when they do not match, the gate circuit 3 is closed. As a result, it is possible to prevent frequencies other than the permitted waves from being radiated into the air due to operational errors or the like.
なおスイッチ９は、試験用又は、ある特定時期に、周波
数合成回路２の能力の範囲内で無制限に送信波を発生す
る必要が生じた際にゲート回路３を常時“開”にするた
めのものである。The switch 9 is used to keep the gate circuit 3 open at all times for testing purposes or when it is necessary to generate unlimited transmission waves within the capability of the frequency synthesis circuit 2 at a certain time. It is.
なお、上記実施例以外に次のような実施例も考えられる
。In addition to the above embodiments, the following embodiments may also be considered.
＋１） 許可波を設定し、許可波を記憶するような回
路構成以外に、不許可波を設定し、不許可波を記憶し、
照合及びゲートの動作として不許可波の発生を禁止する
ようにしてもよく、上記実施例と同様の効果を奏する。+1) In addition to the circuit configuration that sets allowed waves and stores allowed waves, there is also a circuit configuration that sets disallowed waves and stores disallowed waves.
Generation of disallowed waves may be prohibited as a verification and gate operation, and the same effect as in the above embodiment can be achieved.
（２）一般的には周波数合成回路の出力周波数がそのま
ま送信周波数とは限らず、周波数合成回路の出力周波数
をある固定周波数と混合し、送信周波数を作成するよう
な場合もあるが、本発明はこのような混合により送信周
波数を作成する場合にも通用でき、上記実施例と同様の
効果を奏する。(2) Generally, the output frequency of a frequency synthesis circuit is not necessarily the transmission frequency as it is; there are cases where the output frequency of the frequency synthesis circuit is mixed with a certain fixed frequency to create a transmission frequency, but the present invention can also be used when creating a transmission frequency by such mixing, and produces the same effect as the above embodiment.
（３）上記実施例では、周波数合成回路２と送信増幅回
路４の中間にゲート回路３を設けたものを示したが、こ
のゲート回路は不可欠要素ではなく、照合回路８が周波
数合成回路２又は送信増幅回路４の機能を直接制御する
ようにしてもよく、上記実施例と同様の効果を奏する。(3) In the above embodiment, the gate circuit 3 is provided between the frequency synthesis circuit 2 and the transmission amplifier circuit 4, but this gate circuit is not an essential element. The function of the transmission amplifier circuit 4 may be directly controlled, and the same effects as in the above embodiment can be achieved.
（４）また上記実施例では送信周波数設定、許可波設定
、許可波記憶、照合などの機能をハード回路により実現
しこれらを送信機の一部として示したが、これらは計算
機のソフトウェア機能により実現してもよく、上記実施
例と同様の効果を奏する。(4) In the above embodiment, functions such as transmission frequency setting, permitted wave setting, permitted wave storage, and verification were realized by hardware circuits and were shown as part of the transmitter, but these were realized by software functions of the computer. However, the same effect as in the above embodiment can be obtained.
以上のように、この発明に係るマルチチャンネル無線送
信機によれば、設定送信周波数値と許容周波数値または
禁止周波数値とを照合して不許可波は発射しないように
したので、誤操作を行っても許可波以外の送信電波を発
射する恐れはなく、安心して運用できるという効果があ
る。As described above, according to the multi-channel radio transmitter of the present invention, the set transmission frequency value is checked against the permissible frequency value or the prohibited frequency value to prevent the emission of disallowed waves. However, there is no risk of transmitting radio waves other than those permitted, and the system can be operated with peace of mind.
第１図はこの発明の一実施例によるマルチチャンネル無
線送信機の回路ブロック図、第２図は従来の実施例を示
す回路ブロック図である。
図において、１は送信周波数設定回路、２は周波数合成
回路、３はゲート回路（不許可波発射禁止手段）、７は
許可波記憶回路（メモリ）、８は照合回路（照合手段）
である。
なお図中同一符号は同−又は相当部分を示す。FIG. 1 is a circuit block diagram of a multi-channel radio transmitter according to an embodiment of the present invention, and FIG. 2 is a circuit block diagram showing a conventional embodiment. In the figure, 1 is a transmission frequency setting circuit, 2 is a frequency synthesis circuit, 3 is a gate circuit (disallowed wave emission prohibition means), 7 is a permitted wave storage circuit (memory), and 8 is a verification circuit (verification means).
It is. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
周波数の送信電波を切換えて発生するマルチチャンネル
無線送信機において、 電波発射を許容された周波数値または電波発射を禁止さ
れた周波数値を記憶するメモリと、設定送信周波数値と
前記許容周波数値または禁止周波数値とを照合する照合
手段と、 前記設定送信周波数値が前記許容周波数値と合致した時
のみ電波発射を可能とし前記設定送信周波数値が前記禁
止周波数値と合致した時電波発射を禁止する不許可波発
射禁止手段とを備えたことを特徴とするマルチチャンネ
ル無線送信機。(1) In a multi-channel radio transmitter that generates transmission radio waves by switching approximately equally spaced frequencies in a relatively wide frequency range, it stores the frequency values that are allowed to emit radio waves or the frequency values that are prohibited from emitting radio waves. a memory; a collating means for comparing a set transmission frequency value with the permissible frequency value or the prohibited frequency value; A multi-channel radio transmitter characterized by comprising: an unauthorized wave emission prohibition means for prohibiting radio wave emission when the prohibited frequency value matches the above-mentioned prohibited frequency value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21302485A JPS6272231A (en) | 1985-09-26 | 1985-09-26 | Multi-channel radio transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21302485A JPS6272231A (en) | 1985-09-26 | 1985-09-26 | Multi-channel radio transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6272231A true JPS6272231A (en) | 1987-04-02 |
Family
ID=16632244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21302485A Pending JPS6272231A (en) | 1985-09-26 | 1985-09-26 | Multi-channel radio transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6272231A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248164A (en) * | 1988-08-09 | 1990-02-16 | Sugihara Rinki Kk | Chain saw |
| JP2000101370A (en) * | 1998-09-24 | 2000-04-07 | Nec Shizuoka Ltd | Transistor circuit |
| JP2013168923A (en) * | 2011-12-24 | 2013-08-29 | ▲華▼▲為▼終端有限公司 | Method and terminal for automatic detection of terminal frequency band setting |
-
1985
- 1985-09-26 JP JP21302485A patent/JPS6272231A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248164A (en) * | 1988-08-09 | 1990-02-16 | Sugihara Rinki Kk | Chain saw |
| JP2000101370A (en) * | 1998-09-24 | 2000-04-07 | Nec Shizuoka Ltd | Transistor circuit |
| US6396337B1 (en) | 1998-09-24 | 2002-05-28 | Nec Corporation | Transistor circuit with direct-coupled stages |
| JP2013168923A (en) * | 2011-12-24 | 2013-08-29 | ▲華▼▲為▼終端有限公司 | Method and terminal for automatic detection of terminal frequency band setting |
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