JPS6146476U - frequency counter - Google Patents
frequency counterInfo
- Publication number
- JPS6146476U JPS6146476U JP13131884U JP13131884U JPS6146476U JP S6146476 U JPS6146476 U JP S6146476U JP 13131884 U JP13131884 U JP 13131884U JP 13131884 U JP13131884 U JP 13131884U JP S6146476 U JPS6146476 U JP S6146476U
- Authority
- JP
- Japan
- Prior art keywords
- wave number
- counter
- frequency
- counting
- number counter
- 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
- Measuring Frequencies, Analyzing Spectra (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例のブロック図、第２図は第１
図の実施例の動作を説明するためのタイミングチャート
、第３図は第１図の実施例を用いて構成した周波数測定
装置のブロック図、第４図は第３図の装置の動作を説明
するためのフローチャートである。
１・・・・・・クロツクカウンタ、２・・・・・・波数
カウンタ、３，４・・・・・・アンドゲート、５・・・
・・・［）−ＦＦ，６・・・・・・ｃｐｕ， ７・・・
・・・ＲＯＭ， ８・・・・・・ＲＡＭ， ９・・・・
・・表示器、１０・−・・・・発振器、１１・・・・・
・インタフェース。Figure 1 is a block diagram of an embodiment of the present invention, and Figure 2 is a block diagram of an embodiment of the present invention.
A timing chart for explaining the operation of the embodiment shown in the figure, FIG. 3 is a block diagram of a frequency measuring device configured using the embodiment of FIG. 1, and FIG. This is a flowchart for 1...Clock counter, 2...Wave number counter, 3, 4...And gate, 5...
...[)-FF, 6...cpu, 7...
...ROM, 8...RAM, 9...
・・Display device, 10・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ to
·interface.
Claims (2)
を計数する波数カウンタと、前記波数カウンタが計数を
開始してから終了するまでの間被測定信号の周波数より
高い基準周波数のクロツク信号の波数を計数するクロツ
クカウンタと、前記波数カウンタの計数値及び前記クロ
ツクカウンタの計数値に基づき被測定信号の周波数を測
定する手段とを具備することする周波数カウンタ。(1) A wave number counter that counts the wave number of the signal under test during a predetermined period given from the outside, and a clock signal with a reference frequency higher than the frequency of the signal under test from the time the wave number counter starts counting until it finishes counting. A frequency counter comprising: a clock counter for counting wave numbers; and means for measuring the frequency of a signal under test based on the count value of the wave number counter and the count value of the clock counter.
間に波数カウンタが最初の計数を開始したときに動作を
開始し、前記波数カウンタが最終の計数を行なった直後
の被測定信号の１周期分の期間が終了するときに動作を
終了することを特徴とする実用新案登録請求の範囲第（
１）項記載の周波数カウンタ。(2) The clock counter starts its operation when the wave number counter starts counting for the first time in a predetermined period given from the outside, and operates for one period of the signal under measurement immediately after the wave number counter performs the final counting. Utility model registration claim No. 1 characterized in that the operation ends when the period of
Frequency counter described in section 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13131884U JPS6146476U (en) | 1984-08-31 | 1984-08-31 | frequency counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13131884U JPS6146476U (en) | 1984-08-31 | 1984-08-31 | frequency counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6146476U true JPS6146476U (en) | 1986-03-28 |
Family
ID=30689909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13131884U Pending JPS6146476U (en) | 1984-08-31 | 1984-08-31 | frequency counter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6146476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02112784A (en) * | 1988-10-21 | 1990-04-25 | Tokyo Koku Keiki Kk | Distance detecting device |
-
1984
- 1984-08-31 JP JP13131884U patent/JPS6146476U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02112784A (en) * | 1988-10-21 | 1990-04-25 | Tokyo Koku Keiki Kk | Distance detecting device |
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