Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
162 words
A swell shade control comprising an actuator means, means for connecting the actuator means to the swell shades such that actuation of the actuator means in one direction opens the shades and actuation of the actuator means in the opposite direction closes the shades, an electrical network, a command means, means responsive to the command means for transmitting first signals to the network representing a final swell shade position, means responsive to the position of the swell shades for transmitting second signals to the network representing the instantaneous position of the shades, means associated with the network for generating one control signal when the first and second signals compare in one manner of predetermined correspondence, means associated with the network for generating another control signal when the first and second signals compare in another manner of predetermined correspondence, and means responsive to the control signals for actuating the actuator means in a direction to move the swell shades toward the final position.
Claim 2
Dependent Claim
162 words
A swell shade control comprising an actuator means, means for connecting the actuator means to the swell shades such that actuation of the actuator means in one direction opens the shades and actuation of the actuator means in the opposite direction closes the shades, an electrical network, a command means, means responsive to the command means for transmitting first signals to the network representing a final swell shade position, means responsive to the position of the swell shades for transmitting second signals to the network representing the instantaneous position of the shades, means associated with the network for generating one control signal when the first and second signals compare in one manner of predetermined correspondence, means associated with the network for generating another control signal when the first and second signals compare in another manner of predetermined correspondence, and means responsive to the control signals for actuating the actuator means in a direction to move the swell shades toward the final position.
Claim 3
Dependent Claim
17 words
The swell shade control of claim 1 wherein the first and second signals represent digital code readings.
Claim 4
Dependent Claim
60 words
The swell shade control of claim 2 wherein one control signal is generated when the first signals represent a digital code reading greater than the digital code reading represented by the second signals, and the other control signal is generated when the second signals represent a digital code reading greater than the digital code reading represented by the first signals.
Claim 5
Dependent Claim
37 words
The swell shade control of claim 1 wherein the command means comprises a swell shoe having a base and a movable pedal, and means for generating the first signals in response to the position of the pedal.
Claim 6
Dependent Claim
110 words
The swell shade control of claim 1 further comprising a first code plate associated with the command means having a digital code thereon, first detector means for detecting a selected code reading from the code plate, means responsive to the first detected code reading to generate the first signals, a second code plate associated with the actuator means having a digital code thereon, a second detector means, means for mounting the second detector means and second code plate for detecting a code reading on the second code plate corresponding to the instantaneous position of the shades, and means responsive to the second detected code reading for generating the second signals.
Claim 7
Dependent Claim
61 words
The swell shade control of claim 5 wherein the command means comprises a swell shoe having a base and a movable pedal mounted thereto, and further comprising means for mounting the first code plate and first detector means on the swell shoe for detection by the first detector means of code readings on the first code plate corresponding to pedal positions.
Claim 8
Dependent Claim
29 words
The swell shade control of claim 5 wherein the code on the first code plate is generally linear and the code on the second code plate is generally logarithmic.
Claim 9
Dependent Claim
58 words
The swell shade control of claim 1 wherein the actuating means comprises an electric motor, a lead screw mounted to the shaft of the electric motor, means responsive to rotation of the lead screw in one direction to open the shades, and means responsive to rotation of the lead screw in the opposite direction to close the shades.
Claim 10
Dependent Claim
110 words
The swell shade control of claim 8 further comprising a first code plate associated with the command means having a digitAl code thereon, first detector means for detecting a selected code reading from the code plate, means responsive to the first detected code reading to generate the first signals, a second code plate associated with the actuator means having a digital code thereon, a second detector means, means for mounting the second detector means and second code plate for detecting a code reading on the second code plate corresponding to the instantaneous position of the shades, and means responsive to the second detected code reading for generating the second signals.
Claim 11
Dependent Claim
112 words
The swell shade control of claim 9 further comprising a first tube surrounding the lead screw in fixed relation thereto, a second tube mounted for telescoping movement in relation to the first tube, means responsive to rotation of the lead screw in one direction to extend the second tube with respect to the first tube, means responsive to rotation of the lead screw in the opposite direction to retract the second tube with respect to the first tube, means for closing the shades in response to movement of the second tube in one direction, and means for opening the shades in response to movement of the second tube in the reverse direction.
Claim 12
Dependent Claim
28 words
The swell shade control of claim 10 wherein the second code plate is mounted to move with movement of the second tube relative to the second detector means.
Claim 13
Dependent Claim
123 words
The swell shade control of claim 9 wherein the first and second detector means are electrical contacts, and the surfaces of the first and second code plates are electrically coded along their lengths, and further including means for mounting the contacts of the first detector means to contact the coded surface of the first code plate producing electrical signals at the first contacts representing a digital code reading corresponding to a position along the length of the first code plate, and means for mounting the contacts of the second detector means to contact the coded surface of the second code plate producing electrical signals at the second contacts representing digital code readings corresponding to positions along the lengths of the second code plate.
Claim 14
Dependent Claim
61 words
The swell shade control of claim 9 wherein the command means comprises a swell shoe having a base and a movable pedal mounted thereto, and further comprising means for mounting the first code plate and first detector means on the swell shoe for detection by the first detector means of code readings on the first code plate corresponding to pedal positions.
Claim 15
Dependent Claim
56 words
The swell shade control of claim 1 wherein the actuating means includes a bellows, means for applying air to the bellows in response to one control signal, means for exhausting air from the bellows in response to the other control signal, and means to open and close the shades in response to operation of the bellows.