Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
167 words
A method of controlling an apparatus for cutting individual labels from a moving strip of material, the apparatus having a cutting means and means for driving the cutting means and the strip of material, comprising the steps of: (a) generating a phase error signal for successive labels representing the difference between an actual position of a cut for the labels and a desired position for said cut; (b) controlling the drive means to reduce the phase error signal for succeeding labels in proportion to the magnitude of said difference represented by said phase error signal for preceding labels; (c) summing a first predetermined number of consecutive phase error signals to generate a sum signal having a magnitude proportional to the sum of the differences represented by said phase error signals; and (d) controlling the drive means to change the speed of the strip of material relative to the speed of cutting of the cutting means in response to said sum signal magnitude exceeding a first predetermined value.
Claim 2
Independent Claim
167 words
A method of controlling an apparatus for cutting individual labels from a moving strip of material, the apparatus having a cutting means and means for driving the cutting means and the strip of material, comprising the steps of: (a) generating a phase error signal for successive labels representing the difference between an actual position of a cut for the labels and a desired position for said cut; (b) controlling the drive means to reduce the phase error signal for succeeding labels in proportion to the magnitude of said difference represented by said phase error signal for preceding labels; (c) summing a first predetermined number of consecutive phase error signals to generate a sum signal having a magnitude proportional to the sum of the differences represented by said phase error signals; and (d) controlling the drive means to change the speed of the strip of material relative to the speed of cutting of the cutting means in response to said sum signal magnitude exceeding a first predetermined value.
Claim 3
Dependent Claim
44 words
The method according to claim 1 wherein said step (c) is performed by summing said differences and dividing said sum by said first predetermined number of phase error signals to generate said sum signal with a magnitude proportional to the average of said differences.
Claim 4
Dependent Claim
13 words
The method according to claim 2 wherein said first predetermined number is two.
Claim 5
Dependent Claim
13 words
The method according to claim 2 wherein said first predetermined number is twelve.
Claim 6
Dependent Claim
63 words
The method according to claim 1 including a step (e) counting a second predetermined number of said phase error signals, and a step (f) controlling the drive means to change the speed of the strip of material relative to the speed of cutting of the cutting means at a predetermined rate in response to said second predetermined number exceeding a second predetermined value.
Claim 7
Dependent Claim
13 words
The method according to claim 5 wherein said second predetermined number is thirty-two.
Claim 8
Independent Claim
168 words
A method of setting up a control circuit for an apparatus for cutting individual segments from a moving strip of material, the apparatus having a cutting means and means for driving the cutting means and the strip of material, comprising the steps of: (a) generating a scan signal when successive segments are at a predetermined position relative to a desired cutting position; (b) generating a cyclic signal, each cycle representing a predetermined increment of distance between cuts; (c) generating a reference signal representing a predetermined position of the cutting means relative to an actual cutting position; (d) counting the cycles of said cyclic signal between the generation of a first one of said scan signals and a first one of said reference signals in a first counting means; and (e) loading the count total of said first counting means into a second counting means in response to each reference signal subsequent to said first one and counting the cycles of said cyclic signal in said second counting means.
Claim 9
Independent Claim
168 words
A method of setting up a control circuit for an apparatus for cutting individual segments from a moving strip of material, the apparatus having a cutting means and means for driving the cutting means and the strip of material, comprising the steps of: (a) generating a scan signal when successive segments are at a predetermined position relative to a desired cutting position; (b) generating a cyclic signal, each cycle representing a predetermined increment of distance between cuts; (c) generating a reference signal representing a predetermined position of the cutting means relative to an actual cutting position; (d) counting the cycles of said cyclic signal between the generation of a first one of said scan signals and a first one of said reference signals in a first counting means; and (e) loading the count total of said first counting means into a second counting means in response to each reference signal subsequent to said first one and counting the cycles of said cyclic signal in said second counting means.
Claim 10
Dependent Claim
42 words
The method according to claim 7 including a step (f) controlling the means for driving in response to said scan signals and a count total of said second counting means to maintain the cutting means and the strip of material in registry.
Claim 11
Dependent Claim
59 words
The method according to claim 7 including a step (f) generating a new reference signal in response to a predetermined count total of said second counting means and a step (g) controlling the means for driving in response to said scan signals and said new reference signals to mantain the cutting means and the strip of material in registry.
Claim 12
Dependent Claim
45 words
The method according to claim 7 wherein said step (d) is performed by counting from a predetermined count total representing one half of the number of the cycles of the cyclic signal representing a window during which one of said scan signals should be generated.