US3774016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of process according to registration indicia on material being processed
Assignee: Chromalloy Corp
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Filing: 1971-10-04
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Granted: 1973-11-20
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Expires: 1991-10-04
Abstract
Abstract A web cut off device is controlled to produce cuts in accordance with registration marks on the web by measuring the deviation of each cut from its associated registration mark, inserting a first correction corresponding to this deviation and superimposing a second correction based upon the statistical processing of a number of preceeding deviation signals.
Inventors
- 👤 R Sterns
- 👤 R Mcguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; B23D36/005
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
184 words
A method for controlliNg a device which operates on a medium in a sequence of intervals so that the intervals of device operation coincide with predetermined intervals on said medium, said method comprising the steps of detecting each interval on said medium, detecting each operation of said device, generating deviation signals based upon each detection corresponding to the deviation from coincidence of device operation and medium interval, adjusting each interval of operation of the device based upon a first combination of the deviation signal generated during the immediately preceding interval and a first trend signal, maintaining said first trend signal for a succession of intervals, while comparing only the deviation signals generated during said succession to produce a new trend signal, adjusting each of a further succession of intervals of operation following the production of the new trend signal, the last mentioned adjusting being based upon a new combination of signals including the deviation signal generated during the immediately preceding interval and the new trend signal and maintaining the new trend signal while comparing the deviation signals developed during said further succession of intervals.
Claim 2
Independent Claim
184 words
A method for controlliNg a device which operates on a medium in a sequence of intervals so that the intervals of device operation coincide with predetermined intervals on said medium, said method comprising the steps of detecting each interval on said medium, detecting each operation of said device, generating deviation signals based upon each detection corresponding to the deviation from coincidence of device operation and medium interval, adjusting each interval of operation of the device based upon a first combination of the deviation signal generated during the immediately preceding interval and a first trend signal, maintaining said first trend signal for a succession of intervals, while comparing only the deviation signals generated during said succession to produce a new trend signal, adjusting each of a further succession of intervals of operation following the production of the new trend signal, the last mentioned adjusting being based upon a new combination of signals including the deviation signal generated during the immediately preceding interval and the new trend signal and maintaining the new trend signal while comparing the deviation signals developed during said further succession of intervals.
Claim 3
Dependent Claim
68 words
A method according to claim 1, wherein said adjusting comprises the steps of generating first correction signals corresponding to said deviation signals in each interval, generating second correction signals corresponding to said trend signal being maintained, algebraically combining said first and second correction signals in each interval to produce a total correction signal and adjusting the interval of operation of said machine according to said total correction signal.
Claim 4
Dependent Claim
35 words
A method according to claim 2, wherein each said second correction signal is stored and is combined with the first correction signal produced in each of the intervals following production of said second correction signal.
Claim 5
Dependent Claim
25 words
A method according to claim 1 wherein said new combination of signals further includes said first trend signal algebraically combined with said new trend signal.
Claim 6
Dependent Claim
126 words
Apparatus for regulating a system which operates on a medium in a sequence of intervals so that the intervals of device operation coincide with predetermined intervals on said medium, said apparatus comprising means for generating deviation signals corresponding to the deviation of each operation interval from an associated predetermined medium interval, phase correction means operative to produce a phase correction signal corresponding solely to the immediately preceding deviation signal, average deviation correction means operative to produce an average deviation correction signal in response to the algebraic sum of successive statistical combinations of separate groups of successive deviation signals and means for adjusting each interval of operation of said system by an amount corresponding to a combination of phase correction signals and said average deviation correction signals.
Claim 7
Dependent Claim
126 words
Apparatus for regulating a system which operates on a medium in a sequence of intervals so that the intervals of device operation coincide with predetermined intervals on said medium, said apparatus comprising means for generating deviation signals corresponding to the deviation of each operation interval from an associated predetermined medium interval, phase correction means operative to produce a phase correction signal corresponding solely to the immediately preceding deviation signal, average deviation correction means operative to produce an average deviation correction signal in response to the algebraic sum of successive statistical combinations of separate groups of successive deviation signals and means for adjusting each interval of operation of said system by an amount corresponding to a combination of phase correction signals and said average deviation correction signals.
Claim 8
Dependent Claim
68 words
Apparatus according to claim 5, wherein said means for adjusting each interval of operation of said system includes correction signal combining means connected to receive said phase correction signal and said average deviation correction signal and to combine said correction signals to produce a total correction signal and means responsive to said total correction signal for producing a corresponding adjustment in the interval of operation of said system.
Claim 9
Dependent Claim
58 words
Apparatus according to claim 6, wherein said means for generating said correction signals includes means for generating series of pulses corresponding in number to the magnitude of deviation and means for indicating the direction of deviation and wherein said correction signal combining means comprises pulse counter means connected to receive said pulses and to combine said pulses algebraically.
Claim 10
Dependent Claim
38 words
Apparatus according to claim 5, wherein said means operative to produce a phase correction signal includes correction signal storage means operative to retain an average deviatioN correction signal following combination of such signal with a phase correction signal.
Claim 11
Dependent Claim
96 words
Apparatus according to claim 5, wherein said means operative to produce an average deviation correction signal comprises first and second signal combining means, each operative to combine signals applied thereto in an algebraic manner, in regard to magnitude and sign, with signals previously applied to said signal combining means, said first signal combining means being connected to receive and combine algebraically the phase deviation signals of seperate groups and to produce a corresponding first signal combining means output, said second signal combining means being connected to receive and combine algebraically each first signal combining means output.
Claim 12
Dependent Claim
34 words
Apparatus according to claim 9, wherein said first signal combining means includes signal accumulator means and means operative to clear said signal accumulator means upon the occurrence of each first signal combining means output.
Claim 13
Independent Claim
103 words
A method of controlling a process which is carried out in successive operations, said method comprising the steps of producing, after each operation of the process, a deviation signal representative of the magnitude and direction of the deviation of the result of the operation from a desired result, cumulatively combining each successive deviation signal in an algebraic manner with previously produced deviation signals to produce a new cumulative result following each operation, comparing each cumulative result with a different norm corresponding to the number of deviation signals which have been combined, and adjusting said process whenever any cumulative result exceeds its associated norm.
Claim 14
Independent Claim
103 words
A method of controlling a process which is carried out in successive operations, said method comprising the steps of producing, after each operation of the process, a deviation signal representative of the magnitude and direction of the deviation of the result of the operation from a desired result, cumulatively combining each successive deviation signal in an algebraic manner with previously produced deviation signals to produce a new cumulative result following each operation, comparing each cumulative result with a different norm corresponding to the number of deviation signals which have been combined, and adjusting said process whenever any cumulative result exceeds its associated norm.
Claim 15
Dependent Claim
28 words
A method according to claim 11 further including the step of beginning a new cumulative combining of successive deviation signals whenever any cumulative result exceeds its associated norm.
Claim 16
Dependent Claim
29 words
A method according to claim 11, wherein said process is adjusted by an amount corresponding to the number of deviation signals which have been combined to produce the adjustment.
Claim 17
Dependent Claim
143 words
Apparatus for use in regulating a system which performs a series of similar operations in successive intervals, said apparatus comprising means for producing deviation signals corresponding to the deviation of the result of each operation from a desired result, combining means for algebrically combining each deviation signal as it occurs with the algebraic total of combined preceding deviation signals to produce a new total upon the occurrence of each deviation signal, system operation counting means for producing different outputs corresponding to successive operations of said system, plural gate circuits connected to be opened by the different outputs of said counting means, said gate circuits each being further connected to respond, when opened, to a different count level in said combining means and means responsive to the occurrence of a response from any of said gate circuits for producing a correction in said system.
Claim 18
Dependent Claim
143 words
Apparatus for use in regulating a system which performs a series of similar operations in successive intervals, said apparatus comprising means for producing deviation signals corresponding to the deviation of the result of each operation from a desired result, combining means for algebrically combining each deviation signal as it occurs with the algebraic total of combined preceding deviation signals to produce a new total upon the occurrence of each deviation signal, system operation counting means for producing different outputs corresponding to successive operations of said system, plural gate circuits connected to be opened by the different outputs of said counting means, said gate circuits each being further connected to respond, when opened, to a different count level in said combining means and means responsive to the occurrence of a response from any of said gate circuits for producing a correction in said system.
Claim 19
Dependent Claim
36 words
Apparatus according to claim 14, wherein the last-mentioned means includes means for clearing said combining means and for clearing said system operation counting means upon the occurrence of a response from any of said gate circuits.
Claim 20
Dependent Claim
32 words
Apparatus according to claim 14, wherein the last-mentioned means includes means for generating different correction signals corresponding to the particular gate circuit which responds to the count level in said combining means.
Claim 21
Independent Claim
212 words
A method for controlling a web cut system wherein the location of each web cut is adjustable by an amount corresponding to the degree of rotation, which is applied between successive web cuts, to the input of a differential mechanism connected along a drive which synchronizes longitudinal web movement with operation of a cutter through which the web is moved, said method comprising the steps of producing deviation indications representative of the deviation of the actual location of each web cut from a desired cut locAtion, deriving a first average deviation correction signal by statistically processing a series of deviation indications and preserving a phase correction signal corresponding to each immediately preceding deviation indication, during each interval between successive operations of said cutter following the deviation of said average deviation correction signal, rotating the input of said differential mechanism by an amount corresponding to a composite of said average deviation correction signal and the phase correction signal derived from the immediately preceding deviation indication, statistically processing a series of subsequent deviation signals which occur following the derivation of said first average deviation correction signal and to produce a subsequent average deviation correction signal and modifying said first average deviation correction signal by an amount corresponding to said subsequent average deviation correction signal.
Claim 22
Independent Claim
212 words
A method for controlling a web cut system wherein the location of each web cut is adjustable by an amount corresponding to the degree of rotation, which is applied between successive web cuts, to the input of a differential mechanism connected along a drive which synchronizes longitudinal web movement with operation of a cutter through which the web is moved, said method comprising the steps of producing deviation indications representative of the deviation of the actual location of each web cut from a desired cut locAtion, deriving a first average deviation correction signal by statistically processing a series of deviation indications and preserving a phase correction signal corresponding to each immediately preceding deviation indication, during each interval between successive operations of said cutter following the deviation of said average deviation correction signal, rotating the input of said differential mechanism by an amount corresponding to a composite of said average deviation correction signal and the phase correction signal derived from the immediately preceding deviation indication, statistically processing a series of subsequent deviation signals which occur following the derivation of said first average deviation correction signal and to produce a subsequent average deviation correction signal and modifying said first average deviation correction signal by an amount corresponding to said subsequent average deviation correction signal.
Claim 23
Dependent Claim
59 words
A method according to claim 17, wherein said composite of said average deviation correction signal and said phase correction signal is derived by storing said average deviation correction signal and algebraically combining each phase correction signal with a signal equal to the stored average deviation correction signal during the interval immediately following the production of said phase correction signal.
Claim 24
Independent Claim
141 words
A method for controlling a system which operates at successive intervals to produce a series of successive results, said method comprising the steps of measuring each result so-produced and comparing same with a predetermined desired result to obtain a separate deviation indication for each operation, statistically processing a group of said deviations to produce a first average deviation indication, producing a first average deviation correction in said system, corresponding to said first average deviation indication, for subsequent successive operations of said system, statistically processing a further group of said deviations which occur under the influence of said first average deviation correction to produce a second average deviation indication and producing a second average deviation correction in said system corresponding to said second average deviation indication for successive operations of said system subsequent to the production of said second average deviation indication.
Claim 25
Independent Claim
141 words
A method for controlling a system which operates at successive intervals to produce a series of successive results, said method comprising the steps of measuring each result so-produced and comparing same with a predetermined desired result to obtain a separate deviation indication for each operation, statistically processing a group of said deviations to produce a first average deviation indication, producing a first average deviation correction in said system, corresponding to said first average deviation indication, for subsequent successive operations of said system, statistically processing a further group of said deviations which occur under the influence of said first average deviation correction to produce a second average deviation indication and producing a second average deviation correction in said system corresponding to said second average deviation indication for successive operations of said system subsequent to the production of said second average deviation indication.
Claim 26
Dependent Claim
25 words
A method according to claim 19, wherein said second average deviation correction corresponds to the algebraic sum of said first and second average deviation indications.
Claim 27
Dependent Claim
168 words
Apparatus for regulating the operation of a system which operates at successive intervals to produce a series of successive results, said apparatus comprising deviation signal producing means operative to produce a deviation signal following each operation of the system, said deviation signal corresponding to the deviation of the actual results of the operation from a predetermined desired result, signal combining means operative to combine several successive ones of said deviation signals and to produce a correction signal corresponding to a statistical average of said deviation signals, correction signal storage means for maintaining a correction signal produced by said signal combining means, means for successively applying the correction signal from said correction signal storage means to adjust each subsequent interval of operation of said system, means for clearing said signal combining means in response to the production of a correction signal thereby and means for applying subsequently produced deviation signals to the signal combining means after clearance thereof and during each said subsequent interval of operation of said system.
Claim 28
Dependent Claim
168 words
Apparatus for regulating the operation of a system which operates at successive intervals to produce a series of successive results, said apparatus comprising deviation signal producing means operative to produce a deviation signal following each operation of the system, said deviation signal corresponding to the deviation of the actual results of the operation from a predetermined desired result, signal combining means operative to combine several successive ones of said deviation signals and to produce a correction signal corresponding to a statistical average of said deviation signals, correction signal storage means for maintaining a correction signal produced by said signal combining means, means for successively applying the correction signal from said correction signal storage means to adjust each subsequent interval of operation of said system, means for clearing said signal combining means in response to the production of a correction signal thereby and means for applying subsequently produced deviation signals to the signal combining means after clearance thereof and during each said subsequent interval of operation of said system.
References Cited (Backward Citations)
US3397634A
Cited
US3468201A
Cited
US3525858A
Cited
US3510036A
Cited
US3556509A
Cited
US3559568A
Cited
US3585372A
Cited
US3601587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |