JPS6114505A - Method and device for detecting knit and woven fabric - Google Patents
Method and device for detecting knit and woven fabricInfo
- Publication number
- JPS6114505A JPS6114505A JP59135467A JP13546784A JPS6114505A JP S6114505 A JPS6114505 A JP S6114505A JP 59135467 A JP59135467 A JP 59135467A JP 13546784 A JP13546784 A JP 13546784A JP S6114505 A JPS6114505 A JP S6114505A
- Authority
- JP
- Japan
- Prior art keywords
- cloth
- circuit
- knit
- light
- woven fabric
- 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
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H3/00—Inspecting textile materials
- D06H3/08—Inspecting textile materials by photo-electric or television means
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ 発明の目的
一産業上の利用分野−
この発明は、編物や織物の移動量や有無等を検知する検
知方法と装置に関する発明である。DETAILED DESCRIPTION OF THE INVENTION A. Purpose of the Invention - Field of Industrial Application - This invention relates to a detection method and device for detecting the amount of movement, presence or absence, etc. of knitted or woven fabrics.
−従来の技術−
この種の従来技術、例えば織物の移動量を検知する技術
としては、特公昭５８−６８９１＠に記載されているよ
うに、移動する癌に測定輪を弾性的に接触させて、布の
移動にともなって測定輪を回転させ、例えば布が１ｔａ
移動して、測定輪が回転したとき１つのパルスを発生さ
せてそのパルス数を計数して布の移動量を検出するもの
が知られている。-Prior art- This type of conventional technology, for example, a technology for detecting the amount of movement of a textile, is as described in Japanese Patent Publication No. 58-6891@, in which a measuring wheel is brought into elastic contact with a moving tumor. , rotate the measuring wheel as the cloth moves, for example, when the cloth is 1ta
There is a known device that generates one pulse when the measuring wheel rotates and counts the number of pulses to detect the amount of movement of the cloth.
しかしながら、この従来の移動量検知手段は、測定輪が
布に接触して回転する構成であるために、布と測定輪と
の間にわずかなすベクが発生したり、布の移動速度変化
による測定輪の回転慣性の影響等によシ、布の実質的移
動量と測定輪による測定移動量との間に誤差が発生し、
正確な移動量の測定かできない欠点がある。However, since this conventional movement amount detection means has a configuration in which the measuring wheel rotates in contact with the cloth, a slight vector may occur between the cloth and the measuring wheel, and measurement due to changes in the moving speed of the cloth may occur. Due to the influence of the rotational inertia of the wheel, an error occurs between the actual amount of movement of the cloth and the amount of movement measured by the measuring wheel.
The drawback is that it is only possible to measure the amount of movement accurately.
またこの測定輪による移動量の測定方法においては、ミ
シンの布送ｐ機構によって送られる布の移動に連動して
測定輪が回転する構成であるために、ミシンによる布送
り方向が反転し布が反対方向に移動した場合には測定輪
は回転せず、従って一方向−＼布が移動するときしか移
動量を測定することができな（・欠点がある。In addition, in this method of measuring the amount of movement using a measuring wheel, since the measuring wheel is configured to rotate in conjunction with the movement of the cloth fed by the cloth feeding mechanism of the sewing machine, the direction in which the cloth is fed by the sewing machine is reversed and the cloth is If it moves in the opposite direction, the measuring wheel does not rotate, so the amount of movement can only be measured when the cloth moves in one direction (there is a drawback).
さらに、針の手前において、測定輪が布に接触している
ために、縫いの途中においてミシンを止めて針を中心に
有金回転する作業を行なう場合、布を側方に移動する作
業ができず、これらの縫製ができない欠点があった。Furthermore, since the measuring ring is in contact with the fabric before the needle, it is difficult to move the fabric to the side when the sewing machine is stopped in the middle of sewing and the needle rotates around the needle. First, there was a drawback that these could not be sewn.
一発明が解決しようとする問題点−
この発明は編・織物の移動量や有無全検知する手段を、
編物や織物に接触させずに、編物や織物の移動量や有無
全正確に検知することを目的とする。Problems to be Solved by the Invention - This invention provides a means for detecting the amount of movement and presence/absence of knitting/fabric.
The purpose is to accurately detect the amount of movement and the presence or absence of knitted or woven fabrics without contacting them.
Ｂ 発明の構成・作用 一問題を解決するための手段・作用− 以下この発明の実施例を図面により説明する。B. Structure and operation of the invention Means/effects for solving a problem Embodiments of the present invention will be described below with reference to the drawings.
（実施例・１）
１はミシンフレームであり、常に下方への押圧力を受け
る押え金２と主軸（図示しない）の回転に連動して上下
動し下端に針３をもっ針棒４と、主軸に連動して四運動
し押え金２と協同して布５を第１図において左方に送る
送シ歯６とに有する。(Embodiment 1) Reference numeral 1 denotes a sewing machine frame, which includes a presser foot 2 that constantly receives downward pressure, a needle bar 4 that moves up and down in conjunction with the rotation of a main shaft (not shown), and has a needle 3 at its lower end. It has a feed tooth 6 which moves in conjunction with the main shaft and feeds the cloth 5 to the left in FIG. 1 in cooperation with the presser foot 2.
７は外来光による影響を排除するための遮光体であシ、
針３が上下動するミシン縫合部の位置よりも布速９方向
手前（第１図右方）で布の上方に配置すると共に、上面
（（結像面８を形成する。7 is a light shielding body for eliminating the influence of external light;
The needle 3 is placed above the cloth at a position in front of the sewing machine suturing section where the needle 3 moves up and down in the cloth speed direction (right side in FIG.
９は光拡大器であシ、遮光体の下方に配置し、右上方に
配置した光源ｌＯから布５に投光した光の反射光を第３
図のように拡大して遮光体７の結像面８に結像させる。Reference numeral 9 is a light magnifying device, which is placed below the light shielding body and uses a third
The image is enlarged as shown in the figure and formed on the imaging surface 8 of the light shielding body 7.
１１は光ガイドであシ、一端を結像面８の上端に連結し
、他端を検知手段としての受光素子１２に連結する。Reference numeral 11 denotes a light guide, one end of which is connected to the upper end of the imaging plane 8, and the other end connected to a light receiving element 12 serving as a detection means.
第２図は受光素子１２からの信号を処理するためのブロ
ック図で、１３は増巾回路、１４は光の高低レベルを判
定するピーク検出器である。１５はアンド回路であシ、
入力側の一方にはビーり検出器１４を結線し、入力側の
他方には受光素子１２の出力信号を必要とするときのみ
出力信号を発生するシーケンス回路１６を結線する。そ
してこのアンド回路１５は、ピーク検出器１４とシーケ
ンス回路１６とから出力信号が入力したとき、アンド回
路を開はピーク検出器１４からの出力全通過させる。Ａ
は処理回路の一例であって、１７はカウンターであり、
アンド回路１５からの出力信号全計数する。１８は記憶
回路であり、布の特性、例えば繊維の単位長さ当シの糸
の打込み本数や編みこみ本数等から計算される隣接する
糸の距離即ち織目ピッチを記憶させてお（。FIG. 2 is a block diagram for processing the signal from the light receiving element 12, in which 13 is an amplification circuit and 14 is a peak detector for determining the high and low levels of light. 15 is an AND circuit,
A beep detector 14 is connected to one input side, and a sequence circuit 16 that generates an output signal only when the output signal of the light receiving element 12 is required is connected to the other input side. When the AND circuit 15 receives output signals from the peak detector 14 and the sequence circuit 16, the AND circuit 15 opens and allows all outputs from the peak detector 14 to pass through. A
is an example of a processing circuit, 17 is a counter,
All output signals from the AND circuit 15 are counted. 18 is a memory circuit that stores the distance between adjacent yarns, that is, the weave pitch, which is calculated from the characteristics of the cloth, such as the number of yarns per unit length of fiber, the number of yarns to be braided, etc.
１９は演算回路であり、カウンター１７からの信号の数
と、記憶回路１８からの布５の特性、即ち隣接する横糸
Ｘの距離とを乗算して布５の移動距離全演算する。19 is an arithmetic circuit which calculates the total moving distance of the cloth 5 by multiplying the number of signals from the counter 17 and the characteristic of the cloth 5 from the memory circuit 18, that is, the distance between adjacent weft threads X.
この第１の実施例は以上の構成であり、次に作用を説明
する。This first embodiment has the above configuration, and the operation will be explained next.
まず、記憶回路１８に対して使用する布５の特性、例え
ば使用する布５の織目ピ・ソチの長さを記憶させる。First, the characteristics of the cloth 5 to be used, such as the length of the weave of the cloth 5 to be used, are stored in the memory circuit 18.
この状態から、第１図のようにミシンの押え金２の下方
に使用する布５を配置した後にミシンを駆動する。From this state, as shown in FIG. 1, the cloth 5 to be used is placed below the presser foot 2 of the sewing machine, and then the sewing machine is driven.
これにより布５は、送り歯６０匹運動と押え金２との協
同によυ第１図において左方に移動し、針３が上下動し
て布５は縫い合わされる。As a result, the cloth 5 moves to the left in FIG. 1 due to the movement of the 60 feed dogs and the cooperation of the presser foot 2, and the needle 3 moves up and down, so that the cloth 5 is sewn together.
ミシンによる布５の移動にともない、布５の織目が第３
図のように拡大されて結像面８に結像され（移動する。As the cloth 5 is moved by the sewing machine, the weave of the cloth 5 becomes third.
As shown in the figure, it is enlarged and imaged on the imaging plane 8 (moves).
そして結像面８の結像が移動すると、受光素子１２の入
力側には光ガイド１１を介して織目ピッチ毎に光の明・
暗信号が入力され、受光素子１２の出力側からは光の明
・暗に対応した高レベルと低レベルの電圧信号が交互に
出力される。この電圧信号は増巾回路１３によって増巾
された後に、ピーク検出器１４によって電圧の高・低レ
ベルを判別し、どちらか一方のレベル、例えば高レベル
の信号のみを出力信号として出力してアンド回路１５の
一方の入力端子に入力する。さらにシーケンス回路１５
から信号を必要とする時期に、例えばミシンが駆動を始
めると同時に、駆動信号が発生してアンド回路１５の他
方の端子に入力される。そして前記ピーク検出器１４か
らの入力信号とシーケンス回路１５からの入力信号との
二つの信号がアンド回路１５に入力されると、アンド回
路１５からは布５の織目ピッチ毎に出力信号が発生する
。When the image on the image plane 8 moves, the light is transmitted to the input side of the light receiving element 12 via the light guide 11 at each weave pitch.
A dark signal is input, and high-level and low-level voltage signals corresponding to the brightness and darkness of the light are alternately output from the output side of the light receiving element 12. After this voltage signal is amplified by an amplifying circuit 13, a peak detector 14 determines whether the voltage is high or low, and only one of the levels, for example, a high level signal, is output as an output signal and It is input to one input terminal of the circuit 15. Furthermore, the sequence circuit 15
At a time when a signal is required, for example, at the same time as the sewing machine starts driving, a drive signal is generated and input to the other terminal of the AND circuit 15. When the two signals, the input signal from the peak detector 14 and the input signal from the sequence circuit 15, are input to the AND circuit 15, an output signal is generated from the AND circuit 15 for each weave pitch of the cloth 5. do.
このアンド回路１５からの出力信号は、カウンター１７
によシ計数し、この計数値は演算回路に入力される。そ
して演算回路１９は、カウンター１７からの計数値と記
憶回路１１１ｃ記憶された一織目ピッチの長さと全乗算
し、布５の移動距離を算出し、その移動距離を電気的情
報を基に布の送りを制御する。The output signal from this AND circuit 15 is
This counted value is input to the arithmetic circuit. Then, the arithmetic circuit 19 multiplies the counted value from the counter 17 by the length of the first stitch pitch stored in the memory circuit 111c, calculates the moving distance of the cloth 5, and calculates the moving distance of the cloth 5 based on the electrical information. control the feed.
（実施例２）
第４図は第２の実施例であシ、２０はイメージセンサ−
（固体撮影素子）であり、第１図の光ガイド１１からの
信号を受ける。２１は増巾回路、１４はピーク検出器で
あり、第５図に示すように織目の一ピツチ毎に増巾回路
２１から出力されろ高・低レベルの出力のうち、出力の
高いピークＨ又は出力の低いピークＬのうち、いずれか
一方のピークに対応したパルスを発生する。(Embodiment 2) FIG. 4 shows the second embodiment, and 20 is an image sensor.
(solid-state imaging device), which receives signals from the light guide 11 shown in FIG. 21 is an amplification circuit, and 14 is a peak detector. As shown in FIG. Alternatively, a pulse corresponding to one of the low output peaks L is generated.
１５．２５はアンド回路、２６はオア回路、１７はカウ
ンタ、１９は演算回路、１６は第１図と同様なシーケン
ス回路で、ピーク検出器２２からの出力信号を必要とす
る時期にのみ出力信号を発生する。２３はイメージセン
サ−２０を駆動するパルスを発生するパルス発生回路で
あり、このパルスとイメージセンサ−２０の画素子の出
力とはｌ対ｌに対応している。２７は記憶回路であり、
イメージセンケー固有の画素子の一ピッチ（距離）、例
えば一ピッチ１４μｍ等の数値を記憶させる。15. 25 is an AND circuit, 26 is an OR circuit, 17 is a counter, 19 is an arithmetic circuit, and 16 is a sequence circuit similar to that shown in FIG. 1, which outputs an output signal only when the output signal from the peak detector 22 is required. occurs. 23 is a pulse generating circuit that generates a pulse for driving the image sensor 20, and this pulse and the output of the pixel element of the image sensor 20 correspond to each other in a ratio of 1 to 1. 27 is a memory circuit;
A numerical value such as one pitch (distance) of pixel elements unique to the image sensor, such as one pitch of 14 μm, is stored.
この実施例は以上の構成であＱｌこの実施例において布
５の移動量を検知するには、検知する以前に布の織目ピ
ッチ全測定してその数値を記憶装置に記憶させる。This embodiment has the above configuration.In order to detect the amount of movement of the cloth 5 in this embodiment, the entire weave pitch of the cloth is measured before detection and the measured value is stored in a storage device.
即ち、移動量を検知すべき布を第１図に示す光拡大器９
の下方に置いた後に、シーケンス回路１６からアンド回
路２５０入力にＨ信号を送シ、アンド回路２５のゲー）
ｆ開ける。この状態からと、光拡大器９、イメージセン
サ−２０，増巾回路２１を介して、第５図に示すように
ピーク検出器１４の出力が１Ｈ″の時にこのパルス巾に
比例したパルス発生器２８のパルスがアンド回路２５、
オア回路２６を通過して、そのパルスの数がカウンタ１
７で計数される。そしてイメージセンサ−２０の画素子
の出力とパルス発生器２３のパルスは前述したようにｌ
対ＩＦｃ対応しているので、カウンタ１７で計数したパ
ルス数と前記のイメージセンサ−の画素子の一ピッチの
距離（例・１４μｍ）とを演算回路１９によシ演算し、
布の織目の一ピッチの距離全算出して、その数値を記憶
回路に記憶させる。That is, the cloth whose movement amount is to be detected is detected by the optical magnifying device 9 shown in FIG.
After placing it below the gate, send an H signal from the sequence circuit 16 to the input of the AND circuit 250,
f open. From this state, a pulse generator proportional to this pulse width is generated when the output of the peak detector 14 is 1H'' as shown in FIG. 28 pulses are sent to the AND circuit 25,
The number of pulses passing through the OR circuit 26 is counted by the counter 1.
It is counted as 7. The output of the pixel element of the image sensor 20 and the pulse of the pulse generator 23 are as described above.
Since it is compatible with IFc, the number of pulses counted by the counter 17 and the distance of one pitch of the pixel of the image sensor (e.g. 14 μm) are calculated by the calculation circuit 19.
The entire distance of one pitch of the cloth weave is calculated, and the calculated value is stored in the memory circuit.
次に、布の移動量を検知するには、まずシーケンス回路
１６からアンド回路１５の入力にＬ信号を送シ、アンド
回路１５のゲートヲ開け、アンド回路２５を閉じる。こ
の状態から布が光拡大器９の下方を移動すると、イメー
ジセンサ−２０には布の織目ピッチ毎に光の明暗信号が
交互に入力し、この信号は増巾回路２１を介してピーク
検出器１４に入力され、このピーク検出器１４は第５図
に示すように例えば％Ｈ“信号のみを検出して出力信号
を発生し、この出力信号はアンド回路１５を通ってカウ
ンタ１７に計数される。そしてこの計数値と予め測定し
て記憶回路２７に記憶した布の織目の一ピッチの距離と
を、演算回路によって演算することによって、布の移動
量を検知することができろ。Next, in order to detect the amount of movement of the cloth, first, an L signal is sent from the sequence circuit 16 to the input of the AND circuit 15, the gate of the AND circuit 15 is opened, and the AND circuit 25 is closed. When the cloth moves below the optical magnifier 9 from this state, bright and dark signals of light are alternately input to the image sensor 20 for each weave pitch of the cloth, and this signal is peak-detected via the amplification circuit 21. As shown in FIG. The amount of movement of the cloth can be detected by calculating this count value and the distance of one pitch of the cloth weave measured in advance and stored in the memory circuit 27 by the calculation circuit.
（実施例 ３）
第６図は、第３の実施例であり、２８は第１図の光ガイ
ド１１からの信号を受けるフォトトランジスタ、フォト
ダイオード、イメージセンサ等の受光素子、２１は増巾
器、１４はピーク検出器、１５はアンド回路、１６はシ
ーケンス回路、２９はパルス検出器である。(Embodiment 3) FIG. 6 shows a third embodiment, in which 28 is a light-receiving element such as a phototransistor, photodiode, or image sensor that receives the signal from the light guide 11 in FIG. 1, and 21 is an amplifier. , 14 is a peak detector, 15 is an AND circuit, 16 is a sequence circuit, and 29 is a pulse detector.
この実施例においては、第１の実施例と同様にして布５
が移動すると、織目の一ピンチ毎に光の明暗が受光素子
２８に入力され、受光素子２８からは高レベルＨと低レ
ベルＬの電気信号が出力される。この信号は増巾器２１
によって増巾され、ピーク検出器１４で第５図と同様に
して高レベルＨ又は紙レベルＬ信号のうちのどちらか一
方のみに応じたパルスを発生させてアンド回路１５に出
力する。シーケンス回路１６から例えば布５が移動を始
めろと同時に出力信号が出るとすると、このシーケンス
回路１６からの出力信号によってアンド回路を開け、ピ
ーク検出器２２の出力を通し、アンド回路１５からは、
ピーク検出器によって検出した′ＨＮ″′Ｌ“の信号が
交互に出力される。In this embodiment, the cloth 5 is
As it moves, the brightness and darkness of the light is input to the light receiving element 28 for each pinch of the weave, and the light receiving element 28 outputs electrical signals of high level H and low level L. This signal is transmitted to the amplifier 21
The peak detector 14 generates a pulse corresponding to either the high level H signal or the paper level L signal and outputs it to the AND circuit 15 in the same way as shown in FIG. For example, if an output signal is output from the sequence circuit 16 at the same time that the cloth 5 starts moving, the AND circuit is opened by the output signal from the sequence circuit 16, the output of the peak detector 22 is passed through, and the output from the AND circuit 15 is as follows.
The 'HN' and 'L' signals detected by the peak detector are output alternately.
このアンド回路１５からの出力信号は、布５が第１図に
示す光拡大器９の下方に存在して移動している間は布５
の移動速度に対応した時間間隔で出力される。The output signal from this AND circuit 15 is transmitted to
is output at time intervals corresponding to the moving speed of.
そして布５の終端が光拡大器９の下方を通過し終ると、
アンド回路１５からの任意の時間間隔をもった出力信号
がなくなる。When the end of the cloth 5 passes under the optical magnifier 9,
The output signal from the AND circuit 15 with an arbitrary time interval disappears.
上記のアンド回路１５からの一定時間間隔をもった出力
信号の有無全パルス検出器２９で検出し、これによって
移動している布５の布端を検知することができ、機構の
停止信号等が得られる。The presence or absence of output signals from the AND circuit 15 at fixed time intervals is detected by the full pulse detector 29, and thereby the edge of the moving cloth 5 can be detected, and the stop signal of the mechanism can be detected. can get.
なお、上記実施例においては、織物である布の移動量や
有無を検知する場合してついて説明したが、編物を光拡
大器の下方で移動した場合でも明暗の信号が交互に発生
するから、編物の移動量や有無も検知することができる
。In the above embodiment, the case was described in which the amount of movement and the presence or absence of a woven fabric was detected, but even when a knitted fabric is moved under an optical magnifier, bright and dark signals are generated alternately. It is also possible to detect the amount of movement and presence of knitted fabrics.
Ｃ発明の効果
以上のよう１／ｌ：この発明は、移動する編・織物の移
動方向とは交叉する方向における編・織物繊維
゛の明暗を検知し、編・織物の移動量や有無を検知する
構成であり、検知手段が移動する編・織物に対して非接
触状態で検知できるので、編・織物の移動速度や移動方
向の変化に対してもそれらの影響を受けずに常に正確な
編・織物の移動量や有無の検知ができろ効果がある。Effects of the invention C As described above, 1/l: The present invention is capable of moving knitting/fabric fibers in a direction crossing the direction of movement of the moving knitting/fabric.
The structure detects the amount of movement and the presence or absence of the knitting/woven fabric by detecting the brightness and darkness of the knitting/woven fabric.Since the detection means can detect the moving knitting/fabric without contacting it, it can detect the moving speed and direction of the knitting/woven fabric. It is effective because it can always accurately detect the movement amount and presence of knitting/fabric without being affected by changes in the knitting/fabric.
また、検知手段が編・織物に対して非接触状態な作業が
阻害されず、円滑に回動できるので、ｆ’ｌＥ業性にも
すぐれる効果がある。Further, since the detection means can rotate smoothly without being obstructed from working in a non-contact state with respect to the knitting/fabric, there is an effect of excellent f'lE workability.
第１図は装置の略正面図、第２図Ｑ′！、第１実施例を
示すブロック図、第３図は結像面に形成される布の結像
状態、第４図は第２実施例を示すブロック図、第５図は
布の編目の一ピッチの距離を測定する場合のタイムチャ
ート、第６図をま第３実施例を示すブロック図である０
１・・・ミシン ２・・・布押え ３・・・針５・
・・布 ６・・・布送り歯 ７・・・遮光体８・・
・結像面 ９・・・光拡大器 １０・・・光源１２
・・・受光素子 １３・・・増巾回路１４・・・ピーク
検出器 １６・・・シーケンス回路Ａ・・・処理回
路Figure 1 is a schematic front view of the device, Figure 2 is Q'! , a block diagram showing the first embodiment, FIG. 3 shows the image formation state of the cloth formed on the imaging plane, FIG. 4 is a block diagram showing the second embodiment, and FIG. 5 shows one pitch of the stitches of the cloth. 6 is a block diagram showing the third embodiment. 1... Sewing machine 2... Presser foot 3... Needle 5...
... Cloth 6 ... Cloth feed dog 7 ... Light shielding body 8 ...
・Imaging surface 9... Optical magnifier 10... Light source 12
... Light receiving element 13 ... Amplification circuit 14 ... Peak detector 16 ... Sequence circuit A ... Processing circuit
Claims (1)
ける編・織物繊維の明暗を検知し、編・織物の移動量や
有無を検知する編・織物の検知方法。 ２）布面を照射する光源と、 布面からの光を拡大して結像させる光拡大器と編・織物
の移動にともなう結像面の明暗を検知して信号を発生す
る光検出器と、 検出器からの信号を処理し編・織物の移動量や有無の情
報を出力する出力装置とを備えた編・織物の検知装置。[Scope of Claims] 1) A knit/woven fabric detection method that detects the brightness and darkness of knit/woven fibers in a direction that intersects the moving direction of the moving knit/woven fabric, and detects the amount of movement and the presence or absence of the knit/woven fabric. 2) A light source that illuminates the cloth surface, a light magnifier that magnifies the light from the cloth surface and forms an image, and a photodetector that generates a signal by detecting the brightness and darkness of the image formation surface as the knitting/fabric moves. , A knitting/woven fabric detection device comprising an output device that processes signals from a detector and outputs information on the movement amount and presence/absence of the knitting/woven fabric.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59135467A JPS6114505A (en) | 1984-06-30 | 1984-06-30 | Method and device for detecting knit and woven fabric |
| PCT/JP1985/000209 WO1986000347A1 (en) | 1984-06-30 | 1985-04-16 | Method and apparatus for detecting knit/woven fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59135467A JPS6114505A (en) | 1984-06-30 | 1984-06-30 | Method and device for detecting knit and woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6114505A true JPS6114505A (en) | 1986-01-22 |
Family
ID=15152392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59135467A Pending JPS6114505A (en) | 1984-06-30 | 1984-06-30 | Method and device for detecting knit and woven fabric |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6114505A (en) |
| WO (1) | WO1986000347A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292175A (en) * | 2001-03-29 | 2002-10-08 | Brother Ind Ltd | Sewing machine |
| JP2007513656A (en) * | 2003-12-15 | 2007-05-31 | フリツツ・ゲガウフ・アクチエンゲゼルシヤフト・ベルニナ・ネーマシイネンフアブリーク | Method and apparatus for controlling needle movement in a sewing machine |
| CN110749939A (en) * | 2018-07-23 | 2020-02-04 | 杰克缝纫机股份有限公司 | Cloth detection method and system of sewing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655149A (en) * | 1986-04-29 | 1987-04-07 | Usm Corporation | Optical sensor for automatic sewing machine |
| DE3801623C1 (en) * | 1988-01-21 | 1989-08-24 | Kochs Adler Ag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579894B2 (en) * | 1974-02-28 | 1982-02-24 | ||
| JPS5898471A (en) * | 1981-11-30 | 1983-06-11 | 土田 勇 | Detection of mesh number of fabric |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310878B2 (en) * | 1972-03-24 | 1978-04-17 | ||
| JPS5247708B2 (en) * | 1972-05-15 | 1977-12-05 | ||
| JPS579894U (en) * | 1980-06-17 | 1982-01-19 |
-
1984
- 1984-06-30 JP JP59135467A patent/JPS6114505A/en active Pending
-
1985
- 1985-04-16 WO PCT/JP1985/000209 patent/WO1986000347A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579894B2 (en) * | 1974-02-28 | 1982-02-24 | ||
| JPS5898471A (en) * | 1981-11-30 | 1983-06-11 | 土田 勇 | Detection of mesh number of fabric |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292175A (en) * | 2001-03-29 | 2002-10-08 | Brother Ind Ltd | Sewing machine |
| JP2007513656A (en) * | 2003-12-15 | 2007-05-31 | フリツツ・ゲガウフ・アクチエンゲゼルシヤフト・ベルニナ・ネーマシイネンフアブリーク | Method and apparatus for controlling needle movement in a sewing machine |
| CN110749939A (en) * | 2018-07-23 | 2020-02-04 | 杰克缝纫机股份有限公司 | Cloth detection method and system of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1986000347A1 (en) | 1986-01-16 |
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