Reduced power electronic lock system

• US 8,354,914 B2
• Filed: 03/17/2005
• Issued: 01/15/2013
• Est. Priority Date: 01/27/2005
• Status: Active Grant

• Current Assignee: Inncom Intl Inc (Honeywell International Inc.)
• Original Assignee: Inncom Intl Inc (Honeywell International Inc.)
• Inventors: Buckingham, Duane W., Roosli, Philipp A., Scheurer, Gregory F.
• Primary Examiner(s): BROWN, VERNAL U
• Application Number:
  US11/082,577
• Publication Number:
  US 20060164206A1
• Time in Patent Office: 2,861 Days
• Field of Search: 340/5.6, 340/5.66, 340/5.7, 340/5.73, 340/5.64, 340/5.61, 340/542, 340/5.2, 340/5.1
• US Class Current: 340/5.6
• CPC Class Codes: E05B 2047/0057 Feeding
• CPC Class Codes: E05B 2047/0059 by transfer between frame and wing
• CPC Class Codes: E05B 2047/0064 by solar cells
• CPC Class Codes: E05B 47/00 Operating or controlling locks or other fastening devices by electric or magnetic means electric permutation locks E05B49/00
• CPC Class Codes: G07C 2009/00365 in combination with a wake-up circuit
• CPC Class Codes: G07C 2009/00373 whereby the wake-up circuit is situated in the lock
• CPC Class Codes: G07C 2009/00634 Power supply for the lock
• CPC Class Codes: G07C 2009/00769 with data transmission performed by wireless means
• CPC Class Codes: G07C 9/00309 operated with bidirectional data transmission between data carrier and locks

Abstract

An electronic lock system including an electronic lock disposed in a door and a device external to the door disposed for wirelessly providing power to the electronic lock.

Claims

1. An electronic lock system, comprising:

an electronic lock disposed in a door;

a controller disposed outside of the door in a fixed location proximate to the door;

an energy storage device disposed in the door connected to the electronic lock; and

an access device by which the electronic lock may be accessed;

wherein the controller is configured to communicate wirelessly with the electronic lock and to provide wireless power to the electronic lock;

wherein the controller comprises a fixed and dedicated source of continuous wireless power to the energy storage device disposed in the door; and

wherein the energy storage device is configured;

to receive and store the wireless power;

to provide power to the electronic lock to operate the lock one or multiple times over an extended time period; and

to maintain the lock in a constant state of powered readiness in which the electronic lock selectively grants access to an entrant and communicates with the controller.

2. The electronic lock system of claim 1, wherein the controller is configured to generate a wireless activation signal, wherein the electronic lock is activated in response to the activation signal, and whereby the electronic lock becomes operable.

3. The electronic lock system of claim 2, wherein the controller comprises a wake-up signal generator configured to generate the wireless activation signal and wherein the electronic lock comprises a wake-up circuit configured to receive the wireless activation signal and to convert the wireless activation signal into electrical energy used to activate the electronic lock.

4. The electronic lock system of claim 2, wherein the controller is configured to generate the wireless activation signal upon the controller verifying user data read by the access device.

5. The electronic lock system of claim 4, wherein the access device is configured to read the user data from an access card presented by the user to the access device.

6. The electronic lock system of claim 5, wherein the access card comprises at least one of a magnetic stripe card, a smart card, and a proximity card.

7. The electronic lock system of claim 1, wherein the controller is further configured to generate a wireless power signal and wherein the electronic lock is powered in response to the power signal.

8. The electronic lock system of claim 7, wherein the energy storage device is configured to receive the power signal and to convert the power signal to stored electrical energy.

9. The electronic lock system of claim 8, wherein the energy storage device comprises a capacitor.

10. The electronic lock system of claim 7, wherein the power signal comprises a pulsed or continuous generation of electromagnetic emissions.

11. The electronic lock system of claim 8, wherein when the electronic lock becomes operable, the electronic lock is powered by the stored electrical energy.

12. The electronic lock system of claim 7, wherein the door comprises a door of a single unit of a multi-unit building and wherein the controller is connected to a network associated with a multi-unit building.

13. The electronic lock system of claim 1, wherein the electronic lock comprises a sensing device configured to sense an operation of the door, wherein the electronic lock is activated in response to the sensing of the operation of the door, and whereby the electronic lock becomes operable.

14. The electronic lock system of claim 13, wherein the operation or the door comprises at least one of a touching and a manipulation of an exterior handle of the electronic lock.

15. The electronic lock system of claim 1, wherein the controller provides said power to the electronic lock by selective transmission of a wireless signal to the electronic lock, wherein the electronic lock is configured to receive the wireless signal, to convert the wireless signal into electrical energy, and to use the electrical energy to activate the electronic lock so the lock becomes operable and/or to operate the electronic lock once operable.

20. The electronic lock system of claim 1, wherein the electronic lock is configured for wireless communication with at least one of a network and a room device.

21. The electronic lock system of claim 8, wherein the energy storage device is configured to detect a variation of the power signal and to activate the lock in response to said variation.

16. An electronic lock system, comprising:

an electronic lock disposed in a door; and

a controller disposed proximate to the door and connected to a power source for providing power to the controller;

wherein the controller includes an access device by which the electronic lock may be accessed;

wherein the controller is configured to communicate wirelessly with the electronic lock;

wherein the electronic lock includes a dynamo configured to provide power to the lock;

wherein the electronic lock further comprises an energy storage device disposed for receiving and storing energy provided by the dynamo;

wherein the energy storage device is configured to detect an extended time period between successive occurrences of the dynamo providing power to the lock and wherein the energy storage device is further configured to activate the lock in response to said extended time period and/or to draw power from an alternate power source in response to said extended time period.

17. The electronic lock system of claim 16, wherein manipulation of a feature of the door drives the dynamo to provide the power to the electronic lock.

18. The electronic lock system of claim 16, wherein the feature of the door comprises at least one of a door handle and a door hinge.

23. The electronic lock system of claim 16, wherein the electronic lock is configured to communicate wirelessly with at least one of a network and a room device.

19. A method of operating an electronic lock disposed in a door, the method comprising:

presenting an access card to an access device disposed in communication with a controller disposed outside of the door in a fixed location proximate to the door, the access card including stored identification data;

processing the identification data at the controller;

generating a wireless signal at the controller where the identification data is acceptable;

transmitting the wireless signal to the electronic lock;

operating the electronic lock in response to the activation signal;

continuously providing wireless power from the controller to an energy storage device disposed in the door and connected to the electronic lock;

storing the power in the energy storage device and providing power from the energy storage device to the electronic lock to operate the electronic lock one or multiple times over an extended time period; and

maintaining the lock in a state of constant powered readiness in which the electronic lock selectively grants access to an entrant and communicates with the controller.

24. The method of claim 19, further comprising:

the storage device detecting a variation of the wireless activation signal; and

activating and rendering operable the electronic lock in response to said variation.

22. An electronic lock system, comprising:

an electronic lock disposed in a door;

a controller disposed outside of the door in a fixed location proximate to the door; and

an energy storage device disposed in the door connected to the electronic lock;

wherein the controller includes an access device by which the electronic lock may be accessed;

wherein the controller is configured to communicate wirelessly with the electronic lock and to provide wireless power to the electronic lock;

wherein the controller comprises a fixed and dedicated source of continuous wireless power to the energy storage device disposed in the door; and

wherein the energy storage device is configured to receive and store the wireless power and to provide power to the electronic lock to operate the lock one or multiple times over an extended time period;

wherein the controller is further configured to generate a wireless power signal and wherein the electronic lock is powered in response to the power signal;

wherein the energy storage device is configured to receive the power signal and to convert the power signal to stored electrical energy;

wherein the energy storage device is configured to detect a variation of the power signal and to activate the lock in response to said variation;

wherein said variation comprises at least one of a temporary suspension of the power signal and a variation of a modulation of the power signal.

25. A method of operating an electronic lock disposed in a door, the method comprising:

presenting an access card to an access device of a controller disposed outside of the door in a fixed location proximate to the door, the access card including stored identification data;

processing the identification data at the controller;

generating a wireless activation signal at the controller where the identification data is acceptable;

transmitting the wireless activation signal to the electronic lock;

activating and rendering operable the electronic lock in response to the activation signal;

continuously providing wireless power from the controller to an energy storage device disposed in the door and connected to the electronic lock;

storing the power in the energy storage device and providing power from the energy storage device to the electronic lock to operate the electronic lock one or multiple times over an extended time period;

the storage device detecting a variation of the wireless activation signal;

activating and rendering operable the electronic lock in response to said variation

wherein said variation comprises at least one of a temporary suspension of the power signal and a variation of a modulation of the power signal.

26. An electronic lock system, comprising:

an electronic lock disposed in a door;

an access device by which the lock may be accessed;

a power signal generator disposed external to the door and configured to provide continuous wireless power to the electronic lock; and

an energy storage device disposed in the door and connected to the electronic lock;

wherein the energy storage device is configured;

to receive and store the wireless power;

to provide power to the electronic lock to operate the lock one or multiple times over an extended time period; and

to maintain the lock in a constant state of powered readiness in which the electronic lock selectively grants access to an entrant.

27. The electronic lock system of claim 26, wherein the access device is configured to detect access credentials of a potential entrant, the electronic lock further including a controller configured to verify the access credentials and to lock and unlock the electronic lock.

28. The electronic lock system of claim 27, wherein the energy storage device is configured to receive a power signal from the power signal generator and configured to convert the power signal to stored electrical energy.

29. The electronic lock system of claim 28, wherein the energy storage device comprises a capacitor and wherein the power signal comprises a pulsed generation of electromagnetic emissions.

30. The electronic lock system of claim 28, wherein the energy storage device is configured to activate the electronic lock in response to the access device detecting the access credentials, whereby the electronic lock becomes operable.

31. The electronic lock system of claim 26, wherein the door comprises a door of a single unit of a multi-unit building and wherein the lock is disposed to wirelessly communicate with an item external to the door.

32. The electronic lock system of claim 31, wherein the item external to door comprises at least one of a device disposed adjacent to the door, a device disposed within the single unit, and a network.

33. An electronically operable lock system for a door, comprising:

an electronically operable lock configured to be installed at the door;

a receiver configured to receive wireless power and to provide said power received to the lock, the lock being operable electronically by means of power received;

a transmitter configured to transmit continuous wireless power to the receiver and configured to be fixedly disposed external to the door and in sufficient proximity to the door to facilitate propagation of power from the transmitter to the receiver; and

a controller in wireless communication with the lock to control operation of the lock; and

an energy storage device disposed in the door, connected to the electronic lock, and in operable communication with the receiver,

wherein the energy storage device is configured;

to receive and store the wireless power;

to provide power to the electronic lock to operate the lock one or multiple times over an extended time period; and

to maintain the lock in a constant state of powered readiness in which the electronic lock selectively grants access to an entrant and communicates with the controller.

34. A method of electronically operating a lock at a door, comprising:

wirelessly transmitting power to the lock from a fixed location separate from the door that is sufficiently proximate to the door to facilitate propagation of power to the lock;

wirelessly receiving power at the lock to electronically operate the lock utilizing power received;

controlling operation of the lock by wireless communication;

storing the received power in an energy storage device disposed in the door and connected to the lock;

providing power to the electronic lock from the energy storage device to operate the lock one or multiple times over an extended time period; and

maintaining the lock in a state of constant powered readiness in which the electronic lock selectively grants access to an entrant and communicates with the controller.