JPS64567Y2 - - Google Patents
Info
- Publication number
- JPS64567Y2 JPS64567Y2 JP1978038045U JP3804578U JPS64567Y2 JP S64567 Y2 JPS64567 Y2 JP S64567Y2 JP 1978038045 U JP1978038045 U JP 1978038045U JP 3804578 U JP3804578 U JP 3804578U JP S64567 Y2 JPS64567 Y2 JP S64567Y2
- Authority
- JP
- Japan
- Prior art keywords
- reference position
- circuit
- detection signal
- pulse
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
【考案の詳細な説明】
本考案は移動量計数装置に関し、特にシリアル
プリンタ装置における印字ヘツドの移動量計数装
置に関する。従来、この種の移動量計数装置は、
カウンタ回路のリセツトを基準位置検知機構から
の出力信号そのものを使用して行なつていた。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a movement counting device, and more particularly to a movement counting device for a print head in a serial printer device. Conventionally, this type of movement counting device is
The counter circuit was reset using the output signal itself from the reference position detection mechanism.
従つて、この場合はたとえばフオトダイオード
とフオトセンサ対のように基準位置自身が物体の
単位移動量に比較して大きな幅を有しているがた
めに、これを検知する基準位置信号が有の間、カ
ウンタ回路はリセツトされており、従つてこの間
の動体の位置を検知できず、また物体の位置を検
知できないからその速度検出をすることができな
いという欠点を持つていた。 Therefore, in this case, for example, in the case of a pair of photodiodes and photosensors, the reference position itself has a large width compared to the unit movement of the object, so while there is a reference position signal to detect this, the Since the counter circuit is reset, the position of the moving object cannot be detected during this period, and since the position of the object cannot be detected, the speed of the object cannot be detected.
本考案の目的は上記従来技術の欠点を解決しあ
る一定の幅を有して検知する基準位置内における
動体の変移の様子を認識しつつ基準位置の両端で
カウンタ回路の初期設定を行なう移動量計数装置
を提供することにある。 The purpose of the present invention is to solve the above-mentioned drawbacks of the conventional technology, and to recognize the movement of a moving object within a reference position that is detected with a certain width, and to perform the initial setting of the counter circuit at both ends of the reference position. The purpose of this invention is to provide a counting device.
本考案は動体の移動量を計数するものであり、
物体が単位距離移動する毎にパルスを発生させる
パルス発生回路と、該パルス発生回路から出力さ
れたパルスをカウントするカウンタ回路と、動体
の変位量測定の基準位置に設けられ、物体が通過
する間に上記パルスのパルス間隔より大なるパル
ス幅で物体検出信号を出力する基準位置検知機構
とを有し、該基準位置検知機構からの出力信号が
信号有から無となる変化点を該微分回路により微
分し、該微分回路の出力信号によつて該カウンタ
回路をリセツトするというものである。これによ
つて、動体の変移量を物体が基準位置を通過する
期間中にも認識でき、かつ動体が基準位置内から
出る瞬間にカウンタ回路が初期設定され、変移量
の基準位置が決定される。 This invention counts the amount of movement of a moving object.
A pulse generation circuit that generates a pulse every time the object moves a unit distance, a counter circuit that counts the pulses output from the pulse generation circuit, and a counter circuit that is installed at a reference position for measuring the amount of displacement of a moving object while the object passes. and a reference position detection mechanism that outputs an object detection signal with a pulse width larger than the pulse interval of the above-mentioned pulses. The counter circuit is reset by the output signal of the differentiating circuit. This allows the amount of displacement of a moving object to be recognized even during the period when the object passes through the reference position, and the moment the moving object leaves the reference position, the counter circuit is initialized and the reference position for the amount of displacement is determined. .
第１図を用いて本考案の一実施例を説明する。
第１図において変移量カウンタ１は物体が単位距
離移動する毎に発生する変移量カウントパルス信
号ｆを計数するエンドレスのカウンタである。本
考案は変移量カウンタ１を初期設定のためリセツ
トするものである。すなわち基準位置検知機構７
によつて検知された基準位置信号出力ａを、Ｄタ
イプフリツプフロツプ３及び４とNAND回路２
によつて構成された微分回路によつて微分し、基
準位置信号ａが信号有から無となる時点で変移量
カウンタ１をリセツトするようにしてある。これ
によつて、物体が基準位置内にあつても変移量カ
ウンタ１はリセツトされることがなく、この間の
変移の状態をつかむことが可能であり、かつ、基
準位置内から脱出する時点で変移量カウンタ１を
リセツトし、変移の基準点としている。本考案の
一実施例である第１図の各種動作タイミングチヤ
ートを第３図に示す。 An embodiment of the present invention will be described with reference to FIG.
In FIG. 1, a displacement counter 1 is an endless counter that counts displacement count pulse signals f generated every time an object moves a unit distance. The present invention resets the displacement counter 1 for initialization. In other words, the reference position detection mechanism 7
The reference position signal output a detected by the D-type flip-flops 3 and 4 and the NAND circuit 2
The displacement counter 1 is reset at the time when the reference position signal a changes from presence to absence. As a result, even if the object is within the reference position, the displacement counter 1 will not be reset, making it possible to grasp the state of displacement during this time, and at the same time, the displacement counter 1 will be reset when the object leaves the reference position. The amount counter 1 is reset and used as a reference point for transition. FIG. 3 shows a timing chart of various operations shown in FIG. 1, which is an embodiment of the present invention.
本考案によれば、一定量の幅を有した基準位置
内を変移するときにその変移の状態を容易に認識
することができ、かつ、変移量カウンタの初期設
定も容易に可能である。 According to the present invention, when the object moves within a reference position having a certain width, the state of the movement can be easily recognized, and the initial setting of the movement amount counter can also be easily performed.
第１図は本考案の一実施例を示すブロツク図、
第２図は第１図に示した実施例の動作タイミング
チヤート。
１……変移量カウンタ、２……NAND回路、
３，４……フリツプフロツプ、７……基準位置検
知機構。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is an operation timing chart of the embodiment shown in FIG. 1...Displacement amount counter, 2...NAND circuit,
3, 4...Flip-flop, 7...Reference position detection mechanism.
Claims (1)
るパルス発生回路と、該パルス発生回路から出力
されたパルスをカウントするカウンタ回路と、物
体の変位量測定の基準位置に設けられ、物体が通
過する間に上記パルスのパルス間隔より大なるパ
ルス幅で物体検知信号を出力する基準位置検知機
構と、該基準位置検知機構からの出力信号が検知
信号有から検知信号無にあるいは検知信号無から
検知信号有に変化する変化点を検出する微分回路
とを具備し、該微分回路の出力信号によつて上記
カウンタ回路をリセツトし計数の初期設定をする
ことを特徴とする移動量計数装置。 A pulse generation circuit that generates a pulse every time the object moves a unit distance, a counter circuit that counts the pulses output from the pulse generation circuit, and a counter circuit that is installed at a reference position for measuring the amount of displacement of the object while the object passes. a reference position detection mechanism that outputs an object detection signal with a pulse width greater than the pulse interval of the above-mentioned pulses; and an output signal from the reference position detection mechanism that changes from presence of detection signal to no detection signal or from no detection signal to presence of detection signal. 1. A movement amount counting device comprising: a differentiating circuit for detecting a change point at which the amount of movement changes; and an output signal of the differentiating circuit to reset the counter circuit to initialize counting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978038045U JPS64567Y2 (en) | 1978-03-27 | 1978-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978038045U JPS64567Y2 (en) | 1978-03-27 | 1978-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54141951U JPS54141951U (en) | 1979-10-02 |
| JPS64567Y2 true JPS64567Y2 (en) | 1989-01-09 |
Family
ID=28902258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978038045U Expired JPS64567Y2 (en) | 1978-03-27 | 1978-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS64567Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842781A (en) * | 1971-09-28 | 1973-06-21 | ||
| JPS5223362A (en) * | 1975-08-15 | 1977-02-22 | Sony Corp | Device for detecting the amount of a displacement |
-
1978
- 1978-03-27 JP JP1978038045U patent/JPS64567Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842781A (en) * | 1971-09-28 | 1973-06-21 | ||
| JPS5223362A (en) * | 1975-08-15 | 1977-02-22 | Sony Corp | Device for detecting the amount of a displacement |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54141951U (en) | 1979-10-02 |
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