System and method for remote opening of handicap access doors
First Claim
1. A control system for remotely activating an automatically opening door comprising:
- a plurality of transmitters held by different people, each transmitter transmits control signals;
a plurality of doors at least some of which being mounted in different buildings, each of said doors including an actuator for automatically opening and closing said door and a receiver electrically coupled to said actuator for receiving control signals from said transmitters and activating said actuator to open said door in response to the receipt of said control signals, wherein any one of said transmitters may be used to open any of said doors.
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Accused Products
Abstract
A control system for remotely activating an automatically opening door according to the present invention includes a plurality of transmitters held by different people and each transmitter transmits control signals. The system further includes a plurality of doors at least some of which are mounted in different buildings. Each of the doors includes an actuator for automatically opening and closing the door and a receiver electrically coupled to the actuator for receiving control signals from the transmitters and activating the actuator to open the door in response to the receipt of the control signals. In this system, any one of the transmitters may be used to open any of the doors.
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Citations
20 Claims
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1. A control system for remotely activating an automatically opening door comprising:
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a plurality of transmitters held by different people, each transmitter transmits control signals;
a plurality of doors at least some of which being mounted in different buildings, each of said doors including an actuator for automatically opening and closing said door and a receiver electrically coupled to said actuator for receiving control signals from said transmitters and activating said actuator to open said door in response to the receipt of said control signals, wherein any one of said transmitters may be used to open any of said doors. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A receiver for an automatic door assembly having a door and an actuator coupled to the receiver for automatically opening and closing the door in response to an activation signal, said receiver comprising:
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a receiver circuit for receiving a rolling code control signal from a remote transmitter; and
a control circuit coupled to the actuator and said receiver circuit, wherein said control circuit is configured to decrypt any received rolling code control signal using a specific public key and to determine whether any received consecutive hopping codes are decrypted that correspond to consecutive codes of a rolling code algorithm, said control circuit supplies the activation signal to the actuator when any received consecutive hopping codes are decrypted that correspond to consecutive codes of the rolling code algorithm. - View Dependent Claims (8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20)
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13. A transmitter for remotely activating an automatic door unit having a door, an actuator for automatically opening and closing the door in response to an activation signal, and a receiver coupled to the actuator for supplying the activation signal in response to the receipt of a rolling code control signal having consecutive hopping codes that correspond to consecutive codes of a rolling code algorithm, said transmitter comprising:
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a transmitting circuit for transmitting control signals; and
a control circuit for generating and encrypting a rolling code control signal using a public key, the rolling code control signal including a plurality of consecutive hopping codes the sequence of which is determined in accordance with the same rolling code algorithm used by the receiver.
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Specification