Pattern control system for controlling textile machinery

Claim 2

A pattern control system comprising a television camera including a pickup tube viewing an original pattern representation to develop a video signal representative thereof and scan generators for said pickup tube; memory means containing pattern information storage locatiOns represented by address numbers, whereby application of signals representative of said numbers to said memory means obtains access to said locations; display means including a television picture tube having a viewing screen and scan generators for said picture tube; synchronizing signal generator means producing line and field synchronizing signals; circuit means applying said synchronizing signals to said scan generators of said television camera and of said display means to produce corresponding scans thereon; means applying said video signals to said picture tube to develop an image of said pattern on said viewing screen; access means operable to develop said address numbers thereby to withdraw said pattern information from said memory means as memory output signals; display control means fed with said memory output signals to develop individual control signals representative of display elements corresponding to said information; and combining means applying said control signals to said picture tube together with said video signals to produce thereon a display representative of said image and of said stored pattern information.

Claim 3

The system claimed in claim 1 and further including support means supporting said pattern representation in a plane and camera mounting means, said support means and mounting means together providing relative movement of said representation and said camera in two directions in said plane and along an axis perpendicular thereto.

Claim 4

The system claimed in claim 1 and further including adjustable support means supporting said pattern representation for movement in two directions in a plane, said camera having a variable magnification lens of constant focal distances.

Claim 5

The system claimed in claim 1 and further including variable amplification means whereby vertical deflection signals produced by said scan generator means are applied to said pickup tube and means controlling said variable amplification whereby to change the aspect ratio of said pattern image.

Claim 6

The system claimed in claim 1 wherein said pickup tube is an electrostatically deflected pickup tube.

Claim 7

The system claimed in claim 1 wherein said pickup tube is an electrostatically deflected pickup tube.

Claim 8

The system claimed in claim 1 wherein said television picture tube is a colour television picture tube, said system further including individual potentiometer means operable to adjust individually the colour of the said display element produced in response to the application of each of said control signals to said picture tube.

Claim 9

The system claimed in claim 7 wherein said television camera is a colour television camera developing colour television video signals and including circuit means whereby said colour television video signals are applied to said colour television picture tube to produce a coloured image of said pattern representation.

Claim 10

The system claimed in claim 7 and further including common potentiometer means connected in circuit with all said respective potentiometer means, whereby the intensity of all said display elements may be adjusted simultaneously.

Claim 11

The system claimed in claim 9 and further including individual switch means whereby any one of said respective potentiometer means may be disconnected from said common potentiometer means and connected to an additional potentiometer means permitting individual control of the intensity of the respective pattern indication.

Claim 12

The system claimed in claim 1 wherein said access means includes: two shifting registers; switching means operable to connect said shifting registers in alternation to receive information signals from said memory means and to supply information signals to control said display; first pulse generator means responsive to said line synchronizing signals to develop first pulse trains each including a predetermined number of pulses, said pulse train having a first repetition rate; pulse counter means responSive to said line synchronizing pulses to develop a counter output pulse in response to each predetermined plurality of said synchronizing pulses; second pulse generator means responsive to said counter pulses to develop second pulse trains each including said predetermined number of pulses, said second pulse train having a repetition rate equal to said first repetition rate divided by the number of said predetermined plurality; first display address counter means holding a number denotive of part of the address of an information storage location in said memory means; means applying said second pulse train to change the number in said first display address counter and to shift said shifting register connected to receive information signals from said memory means; means applying said display address number to said memory means to cause the development of information signals sequentially representative of information stored in said predetermined number of adjacent locations; means applying said information signals developed by said memory to said shifting register connected to receive information signals; means applying said plurality of first pulse trains to said shifting register connected to supply information signals to cause the repeated development of information signals stored therein; and means applying said repeatedly developed information signals to control said display means to develop said information display.

Claim 13

The system claimed in claim 11 and including adjustable signal delay means having a signal delay adjustable by an applied voltage, means including said signal delay means for applying said line synchronizing pulses to said first pulse generator, voltage divider means developing an adjustable voltage and circuit means applying said adjustable voltage to said signal delay means whereby to provide lateral adjustment of the position of said display.

Claim 14

The system claimed in claim 12 and further including adjustable further signal delay means adjustable by an applied voltage, gate means controlling the application of said line synchronizing signals to said first pulse generator means, means including said further signal delay means for applying said field synchronizing signals to said gate means, and potentiometer means providing a further adjustable voltage to control said further delay means whereby to provide vertical adjustment of the position of said display.

Claim 15

The system claimed in claim 12 wherein said voltage divider means voltage-variable resistance means, and further including ramp voltage generator means actuated by said field synchronizing pulses to develop a ramp voltage of adjustable amplitude repetitive at field frequency, and circuit means applying said ramp voltage to control the resistance of said variable resistance means whereby to provide adjustment for the orthogonality of said display.

Claim 16

The system claimed in claim 11 and including a second address counter holding a second address number denotive of the remainder of the address of said location; presettable switch means adjustable to establish a further predetermined number: comparator means responsive to said first address number and to said further predetermined number to develop a return signal when said numbers are identical; means applying said return signal to restore said first address counter to a predetermined state of count; means applying said return signal also to said second address counter to change said second address number; and means applying said second address number to said memory means to control the development of said information signals.

Claim 17

The system claimed in claim 15 and further including: number signal storage means; transfer means operable to apply signals representative of the number in a said address counter to said storage means to be stored therein; resetting means operable to reset said address counter with signals from said storage means to said stored numbeR.

Claim 18

The system claimed in claim 15 wherein said address counter means contains means operable by said return signal to reverse the direction of count of said counter and means operating in response to said counter reaching a zero state of count to again reverse its direction of counting.

Claim 19

The system claimed in claim 15 and further including: signal generator means generating repetitive signals; first shift key means operable to apply said repetitive signals to said first display address counter means to change the number therein in a first sense; second key means operable to apply said repetitive signals to said first address counter means to change the number therein in the sense opposite to said first sense; third key means operable to apply said repetitive signals to said second address counter means to change the number therein in said first sense; and fourth key means operable to apply said repetitive signals to said second address counter means to change the number therein in said opposite sense.

Claim 20

The system claimed in claim 18 and including also a further key means operable to change the repetition rate of said repetitive signals.

Claim 21

The system claimed in claim 1 and further including keyboard means operable to introduce any one of a plurality of predetermined pattern-representative coded signals into any selected location in said memory means, said keyboard means comprising: keyboard encoder means responsive to the actuation of any one of a plurality of data keys to develop a respective said coded signal; keyboard address means including keyboard address counter means holding a number representative of a said location in said memory means; pulse generator means responsive to actuation of any one of said data keys to apply a pulse to said address counter means to change the number therein; and means applying said coded signal and said address number to said memory means whereby to enter said signal in said location.

Claim 22

The system claimed in claim 20 and further including coded signal storage means receiving said coded signals developed by actuation of said data keys and signal transfer means operable to transfer said stored signals sequentially to said memory means.

Claim 23

The system claimed in claim 20 and further including a repeat pulse generator developing periodically repeated pulses and a repeat key operable to apply said repeated pulses to said keyboard encoder means to produce repeated generation of a said coded signal selected by actuation of a said data key and to said keyboard address means to produce repeated change of said address number.

Claim 24

The system claimed in claim 20 wherein said keyboard address counter means includes first and second counters, a tabulator key, number storage means, transfer means operable in response to actuation of said tabulator key to transfer the number in a said counter into said number storage means, a return key and loading circuit means responsive to the actuation of said return key to set said counter to the number stored in said number storage means.

Claim 25

The system claimed in claim 23 and including a line return key, means coupling said line return key to said transfer means, a pulse generator, means initiating said pulse generator in response to actuation of said line return key and means applying pulses generated by said pulse generator to the other of said keyboard address counters, whereby actuation of said line return key returns one said counter to a predetermined state of count and changes by one the count in the other said counter.

Claim 26

The system claimed in claim 20 and further including first pulse generator means operable by a first marker key to apply a signal to said keyboard address counter means to change a first component of said address number in a first sense, second pulse gnerator means operable by a second marker key to apply a signal to said keyboard counter means to change said first component of said address number in thE sense opposite to said first sense, third pulse generator means operable by a third marker key to change a second component of said address number in a first sense and fourth pulse generator means operable by a fourth marker key to change said second component in the sense opposite to said first sense.

Claim 27

The system claimed in claim 25 and further including a repeat pulse generator developing periodically repeated pulses and a repeat key operable when a said data key is actuated to apply said repeated pulses to said keyboard encoder means to produce repeated generation of the said coded signal selected by actuation of said data key and to said keyboard address means to produce repeat change of said address number, and said repeat key being operable when a said marker key is actuated to apply said repeated pulses to said keyboard address counter means to produce repeated change of the selected address number component in the selected sense.

Claim 28

The system claimed in claim 25 wherein said access means includes display address counter means holding a display address number, said system further including comparator means responsive to said display address number and to said keyboard address number to develop a marker signal when said numbers are identical and marker display means applying said marker signal to produce an individual component of said display.

Claim 29

The system claimed in claim 27 and further including shifting register means operable alternately to receive signals and to supply signals to control said display, said shifting register means including a plurality of channels receiving signals from said memory means and a further channel, said marker display means operating to apply said marker signal to said further shifting register channel.