US3818724A - Data programming device, particularly for control of knitting machines - Google Patents

Data programming device, particularly for control of knitting machines Download PDF

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Publication number
US3818724A
US3818724A US00266350A US26635072A US3818724A US 3818724 A US3818724 A US 3818724A US 00266350 A US00266350 A US 00266350A US 26635072 A US26635072 A US 26635072A US 3818724 A US3818724 A US 3818724A
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United States
Prior art keywords
intersection
points
conducting
data
series
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Expired - Lifetime
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US00266350A
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English (en)
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N Bourgeois
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Etudes et Bonneterie SA
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Etudes et Bonneterie SA
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements

Definitions

  • ABSTRACT A data programming device for the selective control of the needles of a circular or straight bar knitting ma- .Iuly l, 1971 Switzerland 9703/71 chine includes a two plane matnx whose points of 1n- 52 us. 01. 66/50 R 340/173 R tersectio" may be by one several types 51 1" 1m.
  • the invention concerns data programming devices particularly for the selective control of knitting elements, such as needles or associated accessories of knitting machines, of the type comprising a two-plane matrix including conducting rows and columns adapted to be connected together at their points of intersection by means of movable conducting elements, and means for interrogating the matrix.
  • matrices have two series of parallel conductor members, namely a series of rows and a series of columns disposed transversally to the rows and in a different plane, in a manner to form a grid. Facing each point of intersection, these conducting members have a perforation able to receive a movable plug, generally equipped with a diode, which enables the setting up of a contact between each row and column for the unidirectional flow of an electric current.
  • Each point of the matrix is interrogated and, according to the presence or absence of a plug, it is possible to define two distinct types of data.
  • Another solution is to provide a single matrix including several planes of superimposed columns.
  • Such matrices enable a visual control of the program compared to the design to be reproduced, use thereof is made very delicate by the complexity of the means employed corresponding to each plane and notable the necessity of providing certain conducting plugs with one or several insulating sleeves, in a manner to avoid any risk of unintended contact with the columns of certain planes. 7
  • An object of the invention is to provide a data programming device, particularly for the selective control of knitting elements such as needles or associated accessories of knitting machines of the circular or straight bar type, which obviates the above drawbacks.
  • a data programming device comprises a two-plane matrix including series of conducting rows and columns crossing at points of intersection, means for connecting the rows and columns at said points of intersection including a plurality of movable conducting elements having different characteristics and defining several different types of data, means for interrogating the matrix, and means for identifying said difierent types of data during interrogation of the matrix.
  • FIG. 1 is a diagram showing the arrangement of the two-plane matrix of the device as well as a part of the circuits associated therewith;
  • FIGS. 2 to 4 are diagrams showing three possible cases of operation of the device of FIG. I.
  • the programming matrix of the device of FIG. 1 comprises a first plane composed of to conducting rows Y1, Y2, Y3 Ym having one of their ends connected, via input resistors r and a common conducting lead 1, to a source of electric current supplying a voltage Ve.
  • each row Y is connected on the one hand to an electronic switch 21, 22, 23 etc and, on the other hand, via a diode d d d etc to a common conducting lead 2 whose end is grounded via an output resistor Rs.
  • Lead 2 is also connected to the inputs of an analog voltage discriminator circuit 3, with three digital outputs A, B and C.
  • the second plane of the matrix is composed of n conducting columns x x x x,,, disposed transversely to the rows Y and each connected to an electronic switch 31, 32, 33 etc.
  • the switches of both the columns X and the rows Y are grounded.
  • the number of points of intersection of the different rows and columns represent the programming capacity of the matrix.
  • Each point of intersection has a socket for receiving a movable conductor element setting up a contact between the corresponding row and column, this element being formed by a diode plug 4 which can be of one of three types, in order to provide several possible different types of data.
  • the three plug types include a single diode D only (FIG. 3); a diode D and a resistor R of a certain value connected in series (FIG. 4); or a diode D and a resistor R having a value different to R connected in series.
  • These different types of plugs 4 carry identification means such as a symbol, number, letter, shape or color facilitating recognition thereof by the operator.
  • the matrix is programmed by assigning one color to each possible type of data at the points of intersection of the matrix, so that color No 1 corresponds to the absence of a plug, color No 2 to plugs with a single diode D, color No 3 to plugs with a diode D and a resistor R and color No 4 to plugs with a diode D and a resistor R
  • color No 1 corresponds to the absence of a plug
  • color No 2 to plugs with a single diode D
  • color No 3 to plugs with a diode D and a resistor R
  • color No 4 to plugs with a diode D and a resistor R
  • the I state of a row or column signifies that no current can pass along the portion of the row or column in which the open electronic switch is placed.
  • FIGS. 2 to 4 Three of the four possible cases encountered during interrogation of the different points of intersection of the matrix are schematically shown in FIGS. 2 to 4, the four cases being:
  • the voltage Vs available at the terminals of the resistor Rs is proportional to the current I supplied by Ve via r, d and Rs.
  • This voltage Vs is compared to three standard voltages V V V in the analog voltage discriminator 3.
  • the digital outputs A, B, C of the discriminator define a code, associated with each of these cases, as follows:
  • the programming device can be used in associated with the machine in the following manner.
  • the 32 knitting stations of the machine are divided into eight groups of four stations each corresponding to a supply of yarn of one of the four colors of the design.
  • an order corresponding to actuation or non-actuation must be given according to a color determined by the corresponding point of intersection of the matrix.
  • Interrogation of the matrix takes place through actuation of electronic switches controlled by a computer (not shown), the operating of whose various sequences is closely associated with that of the machine.
  • the matrix interrogated by the computer, supplies 32 binary words (of three bits A B C) associated with 32 of the machines needles.
  • the 32 knitting stations are coded according to their yam supply in the same manner as that of the selector outlets.
  • the outputs A, B, C are compared in a digital manner to the bits of the code of the knitting stations and the result of the comparison determines the actuation or non-actuation for each coded needle.
  • the computer controlling the interrogation of the matrix and the transmission of the orders received takes into account these phase displacements.
  • a two plane matrix data programming system particularly adapted for selective control of knitting elements such as needles or associated knitting machine accessories used for the creation of multicolored patterns using more than two colors in a knitting machine, said data programming system comprising: a series of conducting rows defining a first plane; a series of conducting columns perpendicular to said series of conducting rows and defining a seond plane parallel to and in overlapping relation to said first plane, said conducting rows and columns crossing at a plurality of points of intersection, said points of intersection each corresponding to a knitting loop; a plurality of movable current conducting members having various preselected conduction characteristics and connecting selected conducting rows and columns at certain points of intersection whereby data representing any one of more than two catagories of information corresponding to more than two different types of loops may be stored at each of said points of intersection; interrogation means operatively coupled to each of said points of intersection for detennining the state of each of said points of intersection including whether the row and column at a point of intersection are connected by a movable conducting member,
  • a programming system in which the movable conducting members are comprised of diode plugs.
  • a programming system according to claim 1 wherein the movable conducting members are comprised of diode plugs and a resistor of a preselected value connected in series with the diode.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US00266350A 1971-07-01 1972-06-26 Data programming device, particularly for control of knitting machines Expired - Lifetime US3818724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH970371A CH533707A (fr) 1971-07-01 1971-07-01 Dispositif pour la programmation d'informations destinées à la commande sélective d'éléments de tricotage de métiers à tricoter

Publications (1)

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US3818724A true US3818724A (en) 1974-06-25

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US00266350A Expired - Lifetime US3818724A (en) 1971-07-01 1972-06-26 Data programming device, particularly for control of knitting machines

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US (1) US3818724A (enExample)
CH (1) CH533707A (enExample)
DE (1) DE2230365A1 (enExample)
FR (1) FR2144279A5 (enExample)
GB (1) GB1367374A (enExample)
IT (1) IT965855B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462088A (en) * 1981-11-03 1984-07-24 International Business Machines Corporation Array design using a four state cell for double density

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125664B (zh) * 2022-08-02 2024-08-20 浙江恒强科技股份有限公司 一种矩阵式驱动电路及包含其的选针器和手套机

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161859A (en) * 1961-01-12 1964-12-15 Rca Corp Modular memory structures
GB1123873A (en) * 1966-04-27 1968-08-14 Stibbe G & Co Ltd Improvements in or relating to programming means
GB1165368A (en) * 1966-12-05 1969-09-24 Fahrradwerk Elite Diamant Veb Control Arrangement for Knitting Machines
US3492659A (en) * 1966-10-05 1970-01-27 Fred Lee Electrical resistance memory
US3504132A (en) * 1965-05-14 1970-03-31 Susquehanna Corp Memory unit for repertory dialler utilizing coded encapsulated resistors
DE1961096A1 (de) * 1969-12-05 1971-07-15 Mayer & Cie Maschinenfabrik Elektrische Mustervorrichtung fuer mehrsystemige Rundstrickmaschinen mit umlaufendem Nadelzylinder
US3611319A (en) * 1969-03-06 1971-10-05 Teledyne Inc Electrically alterable read only memory
US3641516A (en) * 1969-09-15 1972-02-08 Ibm Write once read only store semiconductor memory
US3735367A (en) * 1970-04-29 1973-05-22 Currier Smith Corp Electronic resistance memory
US3776003A (en) * 1972-02-25 1973-12-04 Schieber Universal Maschf Saving motion for control means on knitting machines

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161859A (en) * 1961-01-12 1964-12-15 Rca Corp Modular memory structures
US3504132A (en) * 1965-05-14 1970-03-31 Susquehanna Corp Memory unit for repertory dialler utilizing coded encapsulated resistors
GB1123873A (en) * 1966-04-27 1968-08-14 Stibbe G & Co Ltd Improvements in or relating to programming means
US3492659A (en) * 1966-10-05 1970-01-27 Fred Lee Electrical resistance memory
GB1165368A (en) * 1966-12-05 1969-09-24 Fahrradwerk Elite Diamant Veb Control Arrangement for Knitting Machines
US3611319A (en) * 1969-03-06 1971-10-05 Teledyne Inc Electrically alterable read only memory
US3641516A (en) * 1969-09-15 1972-02-08 Ibm Write once read only store semiconductor memory
DE1961096A1 (de) * 1969-12-05 1971-07-15 Mayer & Cie Maschinenfabrik Elektrische Mustervorrichtung fuer mehrsystemige Rundstrickmaschinen mit umlaufendem Nadelzylinder
US3735367A (en) * 1970-04-29 1973-05-22 Currier Smith Corp Electronic resistance memory
US3776003A (en) * 1972-02-25 1973-12-04 Schieber Universal Maschf Saving motion for control means on knitting machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462088A (en) * 1981-11-03 1984-07-24 International Business Machines Corporation Array design using a four state cell for double density

Also Published As

Publication number Publication date
DE2230365A1 (de) 1973-01-18
CH533707A (fr) 1973-02-15
FR2144279A5 (enExample) 1973-02-09
IT965855B (it) 1974-02-11
GB1367374A (en) 1974-09-18

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