JPH0466576U - - Google Patents
Info
- Publication number
- JPH0466576U JPH0466576U JP11022590U JP11022590U JPH0466576U JP H0466576 U JPH0466576 U JP H0466576U JP 11022590 U JP11022590 U JP 11022590U JP 11022590 U JP11022590 U JP 11022590U JP H0466576 U JPH0466576 U JP H0466576U
- Authority
- JP
- Japan
- Prior art keywords
- predetermined level
- detection signal
- generates
- waveform shaping
- shaping circuit
- 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
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims 6
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案による指示装置の実施例を示す
図、第２図は第１図の動作を説明するためのセン
サよりの出力波形を示す図、第３図は第２図の出
力波形を発生するセンサの構成例を示す図、第４
図は従来の指示装置を示す図、第５図ａ〜ｃは第
４図の各部波形を示す図である。
１１……センサ、１２ａ……波形整形回路（第
１の波形整形回路）、１２ｂ……波形整形回路（
第２の波形整形回路）、１３……カウンタ（計数
手段）、１４……ラツチ回路（保持手段）、１５
……分周回路（分周手段）、４……指示駆動回路
、５……指示器。
FIG. 1 is a diagram showing an embodiment of the indicating device according to the present invention, FIG. 2 is a diagram showing the output waveform from a sensor to explain the operation of FIG. 1, and FIG. 3 is a diagram showing the output waveform of FIG. 2. Diagram 4 showing an example of the configuration of the sensor that generates
This figure shows a conventional indicating device, and FIGS. 5a to 5c are diagrams showing waveforms of various parts in FIG. 4. 11...sensor, 12a...waveform shaping circuit (first waveform shaping circuit), 12b...waveform shaping circuit (
second waveform shaping circuit), 13... counter (counting means), 14... latch circuit (holding means), 15
... Frequency dividing circuit (frequency dividing means), 4... Indicator drive circuit, 5... Indicator.
Claims (1)
するセンサ、又は１個の第１の所定レベル以上の
検出信号と第１の所定レベルよりも小さな第２の
所定レベル以上の少なくとも１個の検出信号とを
発生するセンサと、 第１の所定レベル以上の検出信号の入力に応じ
てパルス信号を発生する第１の波形整形回路と、 前記第１の所定レベルよりも小さな第２の所定
レベル以上の検出信号の入力に応じてパルス信号
を発生する第２の波形整形回路と、 前記第２の波形整形回路からのパルス信号をカ
ウントし、このカウント値が前記第１の波形整形
回路からのパルス信号によつてリセツトされる計
数手段と、 前記リセツト時の前記計数手段のカウント値を
保持する保持手段と、 該保持手段に保持されたカウント値を分周比と
して前記第２の波形整形回路からのパルス信号を
分周する分周手段とを備え、 該分周手段からのパルス信号に基づいて所定計
測量を指示するようにした、 ことを特徴とする指示装置。[Claims for Utility Model Registration] A sensor that generates a detection signal of a first predetermined level or higher, or a sensor that generates a detection signal of a first predetermined level or higher and a second detection signal that is lower than the first predetermined level. a sensor that generates at least one detection signal at a predetermined level or higher; a first waveform shaping circuit that generates a pulse signal in response to input of a detection signal at a first predetermined level or higher; and the first predetermined level. a second waveform shaping circuit that generates a pulse signal in response to an input of a detection signal equal to or higher than a second predetermined level, which is smaller than the second waveform shaping circuit; a counting means that is reset by a pulse signal from the first waveform shaping circuit; a holding means that holds the count value of the counting means at the time of the reset; and a dividing ratio of the count value held in the holding means. and a frequency dividing means for frequency dividing the pulse signal from the second waveform shaping circuit, and a predetermined measurement quantity is instructed based on the pulse signal from the frequency dividing means. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11022590U JPH081500Y2 (en) | 1990-10-23 | 1990-10-23 | Pointing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11022590U JPH081500Y2 (en) | 1990-10-23 | 1990-10-23 | Pointing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0466576U true JPH0466576U (en) | 1992-06-11 |
| JPH081500Y2 JPH081500Y2 (en) | 1996-01-17 |
Family
ID=31857533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11022590U Expired - Fee Related JPH081500Y2 (en) | 1990-10-23 | 1990-10-23 | Pointing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH081500Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6330626B2 (en) * | 2014-11-05 | 2018-05-30 | 株式会社デンソー | Rotation speed detector |
-
1990
- 1990-10-23 JP JP11022590U patent/JPH081500Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH081500Y2 (en) | 1996-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |