JPS6380699U - - Google Patents
Info
- Publication number
- JPS6380699U JPS6380699U JP7544287U JP7544287U JPS6380699U JP S6380699 U JPS6380699 U JP S6380699U JP 7544287 U JP7544287 U JP 7544287U JP 7544287 U JP7544287 U JP 7544287U JP S6380699 U JPS6380699 U JP S6380699U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- analog signal
- analog
- sample
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Description
第１図は従来例の電気的構成図、第２図は本考
案実施例の電気的構成図、第３図は第２図の装置
の一部変形例、第４図は本考案の他の実施例の電
気的構成図である。
ＶＦＣ……Ｖ／ｆ変換器、Ｓ……切換スイツチ
、ＦＤＴ……周波数検出器、ＦＣＭ……周波数比
較器、Ｓ＆Ｈ……サンプルホールド回路、ＶＣＯ
……可制御発振器、ＣＵＮＴ……カウンタ。
FIG. 1 is an electrical configuration diagram of a conventional example, FIG. 2 is an electrical configuration diagram of an embodiment of the present invention, FIG. 3 is a partial modification of the device shown in FIG. FIG. 3 is an electrical configuration diagram of an embodiment. VFC...V/f converter, S...selector switch, FDT...frequency detector, FCM...frequency comparator, S&H...sample hold circuit, VCO
...Controllable oscillator, CUNT...Counter.
Claims (1)
交互に与えられ、これらのアナログ信号をそれぞ
れ周波数に変換して受信側に伝送するアナログ信
号／周波数変換器、 前記アナログ信号／周波数変換器から伝送され
る周波数信号を計測するカウンタ、 前記カウンタの計測時間を定める基準クロツク
を発生する可制御発振器、 この可制御発振器の出力周波数と前記アナログ
信号／周波数変換器から伝送される周波数信号と
の差に基づく制御信号を発生する周波数比較器、 この周波数比較器の出力信号をサンプリングし
てホールドするサンプルホールド回路、 及び 前記アナログ信号／周波数変換器から伝送され
る周波数信号を監視し、基準アナログ信号を変換
した周波数信号を検出したとき前記サンプルホー
ルド回路に前記周波数比較器の出力信号をサンプ
ルホールドさせる周波数検出器 を具備する周波数信号伝送装置。[Claims for Utility Model Registration] An analog signal/frequency converter that is alternately given an input analog signal and a reference analog signal, converts these analog signals into frequencies, and transmits the converted signals to a receiving side; / A counter that measures the frequency signal transmitted from the frequency converter; A controllable oscillator that generates a reference clock that determines the measurement time of the counter; An output frequency of the controllable oscillator and the analog signal transmitted from the frequency converter; A frequency comparator that generates a control signal based on the difference between the frequency signal and the frequency signal; a sample hold circuit that samples and holds the output signal of the frequency comparator; and a frequency signal that monitors the frequency signal transmitted from the analog signal/frequency converter. . A frequency signal transmission device comprising: a frequency detector that causes the sample and hold circuit to sample and hold the output signal of the frequency comparator when a frequency signal obtained by converting a reference analog signal is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544287U JPH0138719Y2 (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544287U JPH0138719Y2 (en) | 1987-05-20 | 1987-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6380699U true JPS6380699U (en) | 1988-05-27 |
| JPH0138719Y2 JPH0138719Y2 (en) | 1989-11-20 |
Family
ID=30921585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7544287U Expired JPH0138719Y2 (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0138719Y2 (en) |
-
1987
- 1987-05-20 JP JP7544287U patent/JPH0138719Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0138719Y2 (en) | 1989-11-20 |
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