JPS5914806B2 - Communication recording device - Google Patents

Communication recording device

Info

Publication number
JPS5914806B2
JPS5914806B2 JP51156573A JP15657376A JPS5914806B2 JP S5914806 B2 JPS5914806 B2 JP S5914806B2 JP 51156573 A JP51156573 A JP 51156573A JP 15657376 A JP15657376 A JP 15657376A JP S5914806 B2 JPS5914806 B2 JP S5914806B2
Authority
JP
Japan
Prior art keywords
signal
frequency
signal corresponding
transmitted
gate
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.)
Expired
Application number
JP51156573A
Other languages
Japanese (ja)
Other versions
JPS5381216A (en
Inventor
宣夫 芦立
剛 原田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP51156573A priority Critical patent/JPS5914806B2/en
Publication of JPS5381216A publication Critical patent/JPS5381216A/en
Publication of JPS5914806B2 publication Critical patent/JPS5914806B2/en
Expired legal-status Critical Current

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  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Description

【発明の詳細な説明】 この発明は、通信記録装置に関する。[Detailed description of the invention] The present invention relates to a communication recording device.

送受信機を利用して通信を行なうに際して、その通信状
況や通信周波数は、後日の研究や教育その他のために、
何らかの方法で再現できることが望ましい。
When communicating using a transceiver, the communication status and communication frequency may be subject to future research, education, or other purposes.
It would be desirable to be able to reproduce it in some way.

これを行なうために、通常のテープレ5 コータを使用
することが考えられるが、これに使用されるテープは経
年変化を起すので、これをそのまま使用すれは、正確な
再現、特に周波数の再現は期待し難い。この発明は以上
のような点に着目したもので、10テープに必要事項を
記録すると共に、基準周波数信号をも記録して、両者の
関係を一定に保ち、テープの周囲条件の変化や経年変化
による影響を受けないようにした通信記録装置を提供し
ようとするものである。
In order to do this, it is possible to use a normal tape recorder coater, but since the tape used for this will deteriorate over time, if you use it as is, you cannot expect accurate reproduction, especially frequency reproduction. It's difficult. This invention focuses on the above-mentioned points.In addition to recording the necessary information on 10 tapes, it also records the reference frequency signal, keeping the relationship between the two constant, and preventing changes in the surrounding conditions of the tape or changes over time. The purpose of this invention is to provide a communication recording device that is not affected by

15以下、図を参照して一実施例を説明する。15, one embodiment will be described below with reference to the drawings.

ブロックAは従来の送受信機を示し、アンテナ端子al
にはアンテナ1が、スピーカ端子a2にはスピーカ2が
、マイク端子a3にはマイク3がそれぞれ接続されてい
る。また、a4は送信音声及び20受信音声を出す音声
信号端子、a5は送信高周波信号、すなわち被変調信号
を出す送信搬送波信号端子、a6は受信高周波信号、す
なわち変調されている信号を出す受信変調波信号端子で
ある。そして、音声信号端子a4からの音声信号は増フ
5 幅器4を介して第4録音ヘッド5に、送信搬送波信
号端子a5からの信号は分周器6で低周波信号に変換さ
れて、増幅器7を介して第3録音ヘッド8に至つている
。また、受信変調波信号端子a6からの信号は、受信被
変調波のみを取り出す複調ノ0 回路9で複調され、受
信搬送波信号にされて、次いで分周器10で低周波信号
に変換されて、増幅器11を介して第2録音ヘッド12
に至つている。一方、13はクリスタルを有する基準周
波数源で、ここからの高周波信号は分周器14で低周波
15信号に変換され、増幅器15を介して第1録音ヘッ
ド16に至つている。以上で記録部が構成される。17
は4チヤンネルの磁気テープで、第1チヤンネル17a
には第1録音ヘツド16からの信号が、第2チヤンネル
17bには第2録音ヘツド12からの信号が、第3チヤ
ンネル17cには第3録音ヘツド8からの信号が、第4
チヤンネル17dには第4録音ヘツド5からの信号が、
それぞれ録音される〇18は第1再生ヘツドで、前記磁
気テープ17の第1チヤンネル17aの信号を再生し、
ここからの信号は増幅器19を介して、前記分周器14
の逆変換を行なう逓倍器20で元の基準周波数の信号に
変えられ、周波数比較器21の一方の入力に加えられる
Block A shows a conventional transceiver, with antenna terminal al
An antenna 1 is connected to the speaker terminal a2, a speaker 2 is connected to the speaker terminal a2, and a microphone 3 is connected to the microphone terminal a3. In addition, a4 is an audio signal terminal that outputs transmitted audio and 20 received audio, a5 is a transmitting carrier signal terminal that outputs a transmitting high frequency signal, that is, a modulated signal, and a6 is a receiving high frequency signal, that is, a receiving modulated wave that outputs a modulated signal. This is a signal terminal. The audio signal from the audio signal terminal a4 is sent to the fourth recording head 5 via the amplifier 4, and the signal from the transmission carrier signal terminal a5 is converted to a low frequency signal by the frequency divider 6, and the signal is sent to the fourth recording head 5 via the amplifier 4. 7 to a third recording head 8. In addition, the signal from the received modulated wave signal terminal a6 is demodulated by a demodulation circuit 9 that extracts only the received modulated wave, converted into a received carrier wave signal, and then converted into a low frequency signal by a frequency divider 10. and the second recording head 12 via the amplifier 11.
It has reached this point. On the other hand, reference numeral 13 denotes a reference frequency source having a crystal, and a high frequency signal from this source is converted into a low frequency 15 signal by a frequency divider 14, and then reaches the first recording head 16 via an amplifier 15. The recording unit is configured as described above. 17
is a 4-channel magnetic tape, the first channel 17a
The signal from the first recording head 16 is transmitted to the second channel 17b, the signal from the third recording head 8 is transmitted to the third channel 17c, and the signal from the third recording head 8 is transmitted to the third channel 17c.
Channel 17d receives the signal from the fourth recording head 5.
The number 18 to be recorded is the first playback head, which plays back the signal of the first channel 17a of the magnetic tape 17,
The signal from here is passed through the amplifier 19 to the frequency divider 14.
The signal is converted into a signal at the original reference frequency by a multiplier 20 that performs inverse conversion, and is applied to one input of a frequency comparator 21.

この周波数比較器21の他方の入力には、前記基準周波
数源13からの周波数信号が加えられており、従つて、
この周波数比較器21の出力には、両周波数信号の差に
対応した信号が現われる。22は第2再生ヘツドで、第
2チヤンネル17bの信号を再生し、ここからの信号は
増幅器23を介して、前記分周器10の逆変換を行なう
逓倍器24で元の周波数信号に変えられ、補正回路25
に至る。
The frequency signal from the reference frequency source 13 is applied to the other input of the frequency comparator 21, and therefore,
At the output of this frequency comparator 21, a signal corresponding to the difference between both frequency signals appears. 22 is a second reproduction head which reproduces the signal of the second channel 17b, and the signal from this is converted into the original frequency signal by a multiplier 24 which performs inverse conversion of the frequency divider 10 via an amplifier 23. , correction circuit 25
leading to.

この補正回路25には、前記周波数比較器21からの信
号が制御信号として加わつており、従つてこの補正回路
25においては、逓倍器24からの信号が周波数補正さ
れるようになる。
The signal from the frequency comparator 21 is added to this correction circuit 25 as a control signal, so that the signal from the multiplier 24 is frequency corrected in this correction circuit 25.

26は周波数を表示する受信周波数の表示器である。26 is a reception frequency indicator that displays the frequency.

27は第3再生ヘツドで、第3チヤンネル17cの信号
を再生し、ここからの信号は前記第2チヤンネル17b
からの信号と同様に、増幅器28、逓倍器29、補正回
路30で処理されて、送信周波数の表示器31でその周
波数を表示される。
27 is a third reproducing head which reproduces the signal of the third channel 17c, and the signal from there is transmitted to the second channel 17b.
Similarly to the signal from , it is processed by an amplifier 28, a multiplier 29, and a correction circuit 30, and its frequency is displayed on a transmission frequency display 31.

なお、逓倍器29は前記分周器6の逆変換を行なう。3
2は第4再生ヘツドで、第4チヤンネル1rdの信号を
再生し、増幅器33を介して2個のゲート34,35に
信号を送る。
Note that the multiplier 29 performs inverse conversion of the frequency divider 6. 3
A fourth reproducing head 2 reproduces the signal of the fourth channel 1rd and sends the signal to two gates 34 and 35 via an amplifier 33.

この一方のゲート34には前記増幅器23からのゲート
信号が、他方のゲート35には前記増幅器28からのゲ
ート信号が加わつているので、それらゲート信号が存在
するときのみ、対応するゲートは開くようになる。36
は受信用のスピーカ、37は送信用のスピー力である。
Since the gate signal from the amplifier 23 is applied to one gate 34 and the gate signal from the amplifier 28 is applied to the other gate 35, the corresponding gate is opened only when these gate signals are present. become. 36
is a receiving speaker, and 37 is a transmitting speaker power.

以上で再生部が構成される。以上の構成において、送受
信機Aを操作して通信を行なえば、端子A4からの音声
信号はそのまま、端子A5からの送信搬送波信号は低周
波信号に変換されて、端子A6からの受信変調波信号は
復調回路9で受信搬送波のみが取り出され、低周波信号
に変換されて、それぞれ磁気テープ17に録音されるよ
うになる。
The playback section is configured as described above. In the above configuration, when communication is performed by operating transceiver A, the audio signal from terminal A4 is unchanged, the transmitted carrier wave signal from terminal A5 is converted to a low frequency signal, and the received modulated wave signal from terminal A6 is converted to a low frequency signal. Only the received carrier waves are taken out by the demodulation circuit 9, converted into low frequency signals, and then recorded on the magnetic tape 17.

また、同時に基準周波数源12からの信号も低周波信号
に変換されて同一磁気テープ17に録音されるようにな
る。このようにして録音された各信号は、第1〜第4再
生ヘツド18,22,27,37によつて再生すること
ができるが、磁気テープ17が経年変化を起していたり
、あるいはテープ駆動機構の変化によりテープスピード
が変化したような場合、各逓倍器20,24,29から
得られる逆変換された周波数信号は、各分周器14,1
0,6の入力側の周波数と同一周波数ではあり得ず、そ
こにはある誤差を生じる。
At the same time, the signal from the reference frequency source 12 is also converted to a low frequency signal and recorded on the same magnetic tape 17. Each signal recorded in this way can be reproduced by the first to fourth reproduction heads 18, 22, 27, and 37, but if the magnetic tape 17 has deteriorated over time or if the tape drive When the tape speed changes due to a change in the mechanism, the inversely converted frequency signals obtained from each multiplier 20, 24, 29 are transmitted to each frequency divider 14, 1.
It cannot be the same frequency as the input side frequency of 0 and 6, and a certain error occurs there.

しかしながら、これら各信号は同一磁気テープ17から
得られるので、相互の関係については何ら変化は起つて
いない。
However, since these signals are obtained from the same magnetic tape 17, no change has occurred in their mutual relationship.

従つて、基準周波数信号の誤差を検出して、この誤差信
号により他の各周波数信号を補正すれば、正確な周波数
信号を再現できるようになる。そこで、逓倍器20から
の誤差を有する基準周波数信号を周波数比較回路21に
加えて、ここにおいて基準周波数源13からの信号との
周波数誤差を検出し、この誤差信号を補正信号として、
補正回路25,30に加える。
Therefore, by detecting an error in the reference frequency signal and correcting each other frequency signal using this error signal, it becomes possible to reproduce an accurate frequency signal. Therefore, the reference frequency signal having an error from the multiplier 20 is added to the frequency comparison circuit 21, where the frequency error with the signal from the reference frequency source 13 is detected, and this error signal is used as a correction signal.
It is added to the correction circuits 25 and 30.

従つて、逓倍器24からの誤差を有する受信搬送波信号
は補正回路25によつて正確な周波数の受信搬送波信号
となり、また逓倍器29からの誤差を有する送信搬送波
信号は補正回路30によつて正確な周波数の送信搬送波
信号どなる。
Therefore, the received carrier signal with an error from the multiplier 24 is converted into a received carrier signal with an accurate frequency by the correction circuit 25, and the transmitted carrier signal with an error from the multiplier 29 is converted into a received carrier signal with an accurate frequency by the correction circuit 30. The transmit carrier signal at a certain frequency is roaring.

このため、表示器26,31では正確な受信周波数、送
信周波数が表示されるようになる。一方、増幅器33か
らは、受信と送信の音声信号が現われるが、受信搬送波
信号を受けるゲート34と、送信搬送波信号を受けるゲ
ート35によつて、受信音声と送信音声に振分けられ、
それぞれ別のスピーカ36,37で再生されるようにな
る。
Therefore, accurate reception frequencies and transmission frequencies are displayed on the displays 26 and 31. On the other hand, received and transmitted audio signals appear from the amplifier 33, and are divided into received audio and transmitted audio by a gate 34 that receives the received carrier wave signal and a gate 35 that receives the transmitted carrier wave signal.
The sound is reproduced by separate speakers 36 and 37, respectively.

以上から、例え磁気テープ17に経年変化があろうとも
、受信周波数、送信周波数の正確な再現が可能となり、
また同一チヤンネルに混然と記録された送信音声、受信
音声の区別再現も可能となる。
From the above, even if the magnetic tape 17 has changed over time, it is possible to accurately reproduce the receiving frequency and the transmitting frequency.
It is also possible to distinguish and reproduce transmitted and received audio that are mixedly recorded on the same channel.

なお、受信周波数信号、送信周波数信号の強度は、増幅
器23,28の出力信号を検出することによつて可能と
なる。
Note that the strength of the receiving frequency signal and the transmitting frequency signal can be determined by detecting the output signals of the amplifiers 23 and 28.

この時、基準周波数信号のレベルと比較すれば、この強
度はより正確となる。また、以上説明した周波数比較回
路21は、具体的には一例として、v−f変換器2個と
差動増幅器1個で構成することができ、また補正回路2
5,30も同様の素子で構成することができる。また、
上記実施例では送受信機Aに従来のものを用いたが、こ
の送受信機の送信側の高周波発生部、受信側の局部発振
部には、基準周波数源13からの信号を適宜処理して用
いても良い。更に、SSB通信においては、搬送波は存
在しないので、これに対応する信号として局部発振信号
を用いて、周波数信号とする。
At this time, this intensity becomes more accurate when compared with the level of the reference frequency signal. Further, the frequency comparison circuit 21 described above can be specifically configured with two vf converters and one differential amplifier, and the correction circuit 21 can be configured with two vf converters and one differential amplifier.
5 and 30 can also be constructed with similar elements. Also,
In the above embodiment, a conventional transceiver A is used, but the signal from the reference frequency source 13 is appropriately processed and used in the high frequency generating section on the transmitting side and the local oscillating section on the receiving side of this transceiver. Also good. Furthermore, in SSB communication, since there is no carrier wave, a local oscillation signal is used as a corresponding signal to generate a frequency signal.

更に、送信、受信の区別された音声信号、または搬送波
信号、あるいはそれに対応する信号でランプ等の表示器
を点灯させるようにすれば、視覚的にも送受の区別がで
きるようになる。
Furthermore, by lighting a display device such as a lamp with a voice signal, a carrier wave signal, or a signal corresponding to the transmission and reception, it becomes possible to visually distinguish between transmission and reception.

【図面の簡単な説明】[Brief explanation of the drawing]

図はこの発明に係る通信記録装置の一実施例を示すプロ
ツク図である。 A・・・・・・送受信機、17・・・・・・磁気テープ
The figure is a block diagram showing one embodiment of a communication recording device according to the present invention. A... Transmitter/receiver, 17... Magnetic tape.

Claims (1)

【特許請求の範囲】[Claims] 1 送受信機からの送信搬送波に対応する信号及び受信
搬送波に対応する信号を各別の低周波信号に変換して、
送受信音声信号と共に同一磁気テープの各別のチャンネ
ルに記録する記録部と、該磁気テープの信号を各別に再
生して、送受信音声信号を2個のゲートに導き、該ゲー
トの一方は送信搬送波に対応する信号に対応する低周波
信号によつてそのゲートを開かれ、他方のゲートは受信
搬送波に対応する信号に対応する低周波信号によつてそ
のゲートを開かれるようにすると共に、一方のゲートか
らは送信音声信号を、他方のゲートからは受信音声信号
を得、更に送信搬送波に対応する信号に対応する低周波
信号と受信搬送波に対応する信号に対応する低周波信号
とで送受の別の表示を行なうようにした再生部とで成る
通信記録装置。
1. Converting the signal corresponding to the transmitting carrier wave and the signal corresponding to the receiving carrier wave from the transceiver into separate low frequency signals,
A recording section records the transmitted and received audio signals on different channels of the same magnetic tape, and reproduces the signals on the magnetic tape separately to guide the transmitted and received audio signals to two gates, one of which is connected to the transmitted carrier wave. one gate is opened by a low frequency signal corresponding to the corresponding signal, the other gate is opened by a low frequency signal corresponding to the signal corresponding to the received carrier; A transmitting audio signal is obtained from the gate, a receiving audio signal is obtained from the other gate, and a low frequency signal corresponding to the signal corresponding to the transmitting carrier wave and a low frequency signal corresponding to the signal corresponding to the receiving carrier wave are transmitted and received. A communication recording device consisting of a playback section configured to perform display.
JP51156573A 1976-12-27 1976-12-27 Communication recording device Expired JPS5914806B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51156573A JPS5914806B2 (en) 1976-12-27 1976-12-27 Communication recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51156573A JPS5914806B2 (en) 1976-12-27 1976-12-27 Communication recording device

Publications (2)

Publication Number Publication Date
JPS5381216A JPS5381216A (en) 1978-07-18
JPS5914806B2 true JPS5914806B2 (en) 1984-04-06

Family

ID=15630713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51156573A Expired JPS5914806B2 (en) 1976-12-27 1976-12-27 Communication recording device

Country Status (1)

Country Link
JP (1) JPS5914806B2 (en)

Also Published As

Publication number Publication date
JPS5381216A (en) 1978-07-18

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