Intelligent door lock system

• US 9,322,194 B2
• Filed: 03/12/2014
• Issued: 04/26/2016
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: August Home, Inc. (Fortune Brands Innovations, Inc.)
• Original Assignee: August Home, Inc. (Fortune Brands Innovations, Inc.)
• Inventors: Cheng, Shih Yu Thomas, Johnson, Jason, Kim, Christopher, Aranda, Joseph
• Primary Examiner(s): Nguyen, Tai T
• Application Number:
  US14/205,608
• Publication Number:
  US 20140265359A1
• Time in Patent Office: 776 Days
• Field of Search: 340/5.7, 340/5.85, 340/551, 340/540, 340/541, 340/542, 702/66, 702/75, 703/57
• US Class Current: 1/1
• CPC Class Codes: E05B 2045/069 Timers therefor
• CPC Class Codes: E05B 2047/002 Geared transmissions
• CPC Class Codes: E05B 2047/0022 Planetary gears
• CPC Class Codes: E05B 2047/0048 Circuits, feeding, monitoring
• CPC Class Codes: E05B 2047/0058 by batteries
• CPC Class Codes: E05B 2047/0072 Operation
• CPC Class Codes: E05B 2047/0091 Retrofittable electric locks, e.g. an electric module can be attached to an existing manual lock electrically driven keys E05B2047/0083
• CPC Class Codes: E05B 2047/0095 Mechanical aspects of locks controlled by telephone signals, e.g. by mobile phones electronic locks G07C9/00
• CPC Class Codes: E05B 39/00 Locks giving indication of authorised or unauthorised unlocking with key identification means E05B35/001; alarm locks E05B45/00
• CPC Class Codes: E05B 45/06 Electric alarm locks E05B45/005 takes precedence
• 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: E05B 47/0001 with electric actuators; Constructional features thereof for vehicles E05B81/04
• CPC Class Codes: E05B 47/0012 with rotary electromotors actuators with rotary electromotors per se H02K7/06, H02K23/68
• CPC Class Codes: E05B 47/026 the bolt moving rectilinearly
• CPC Class Codes: E05B 55/12 the bolt being secured by the operation of a hidden parallel member ; Automatic latch bolt deadlocking mechanisms, e.g. using a trigger or a feeler
• CPC Class Codes: E05C 1/004 parallel to the surface on which the fastener is mounted
• CPC Class Codes: G07C 2209/62 Comprising means for indicating the status of the lock
• CPC Class Codes: G07C 9/00 Individual registration on entry or exit
• CPC Class Codes: G07C 9/00309 operated with bidirectional data transmission between data carrier and locks
• CPC Class Codes: G07C 9/00571 operated by interacting with a central unit
• CPC Class Codes: G07C 9/00857 : where the code of the data carrier can be programmed
• CPC Class Codes: G07C 9/00944 : Details of construction or manufacture
• CPC Class Codes: G07C 9/20 : involving the use of a pass
• CPC Class Codes: G07C 9/22 : in combination with an identity check of the pass holder
• CPC Class Codes: G07C 9/32 : in combination with an identity check
• CPC Class Codes: G08B 13/19695 : Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
• CPC Class Codes: G08B 29/185 : Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
• CPC Class Codes: H04N 7/186 : Video door telephones
• CPC Class Codes: Y10T 292/1021 : Motor

Abstract

An intelligent door lock system is provided with a position sensing device configured to be coupled to a drive shaft of a lock device. The position sensing device senses position of the drive shaft and assists in locking and unlocking a lock of a lock device. An engine is provided with a memory coupled to the positioning sensing device. A circuit is coupled to the engine and an energy source is coupled to the circuit. A device converts energy into mechanical energy and is coupled to the circuit, positioning sensing device and the drive shaft. The device that converts energy is coupled to the energy source to receive energy from the energy source.

Claims

1. An intelligent door lock system at a dwelling with a door, comprising:

a position sensing device coupled to a drive shaft of a lock device, the position sensing device sensing position of the drive shaft and configured to assist in locking and unlocking a lock of a lock device;

an engine with a memory coupled to the positioning sensing device and the drive shaft, wherein the memory stored with states of the door that are used with the position sensing device to determine if the door is locked or unlocked, the engine configured to provide energy to the intelligent door lock system for locking and unlocking of the door;

an energy source configured to provide electrical energy;

a device coupled to the energy source and the engine, the device configured to convert electrical energy received from the energy source into mechanical energy; and

the intelligent door lock system is in communication with a user'"'"'s mobile device that communicates with the position sensing device,

wherein when the user'"'"'s mobile device is at an exterior of the dwelling and in a close proximity to the dwelling, the drive shaft is caused to rotate by the engine and the energy source to provide an unlocking of the door when the door is in a locked state.

2. The system of claim 1, wherein the intelligent door lock system is installed to an existing lock system already mounted at a door.

3. The system of claim 1, wherein the intelligent door lock system is installed at a door without a pre-existing lock device.

4. The system of claim 1, further comprising:

a wireless communication device coupled to the circuit.

5. The system of claim 1, wherein the position sensing device is an accelerometer.

6. The system of claim 5, wherein the accelerometer determines position of the drive shaft and at least one of, door knocking, picking of the lock, break-in and unauthorized entry, door open and closing motion.

7. The system of claim 5, wherein the accelerometer does not require additional power than that required for determining the at least one of, door knocking, picking of the lock, break-in and unauthorized entry, door open and closing motion.

8. The system of claim 5, wherein the accelerometer provides at least one of, a number of times the door is closed or opened, a degree of door physical swing, of the door, and distance of door swing.

9. The system of claim 8, wherein the accelerometer in operation provides a determination as to whether or not someone successfully swung the door.

10. The system of claim 1, wherein the positioning sensing device in operation is coupled to the device that converts energy that provides for moving a bolt of the lock device to at least one of a locked or unlocked positioned.

11. The system of claim 1, wherein the lock can be manually locked and unlocked.

12. The system of claim 1, wherein the position sensing device is selected from at least one of, an accelerometer, optical encoder, magnetic encoder, mechanical encoder, Hall Effect sensor, potentiometers, contacts with ticks and an optical camera encoders.

13. The system of claim 1, wherein the lock device can be locked or unlocked wirelessly remotely.

14. The system of claim 1, wherein the lock device can be locked or unlocked using a mobile device.

15. The system of claim 14, wherein the mobile device is a third party mobile device.

16. The system of claim 1, wherein the lock device can be locked or unlocked from a back-end coupled to the intelligent door lock system.

17. The system of claim 1, wherein the circuit is coupled to at least one of, the processor, the power source, a communication device for a mobile device, the positioning sensing device, a speaker, a temperature sensor, a battery voltage sensor, a current sensor that determines how hard the device that converts energy is working, a protection circuit to protect the device that converts energy from overheating and an LED array.

18. The system of claim 1, further comprising:

wing latches coupled to a chassis of the intelligent door lock system.

19. The system of claim 18, wherein the wing latches attach to a mounting plate of the door.

20. The system of claim 1, further comprising:

an intelligent door lock system back-end in wireless communication with the intelligent door lock system.

21. The system of claim 1, wherein the position sensing device is positioned on the drive shaft.

22. The system of claim 1, wherein a sub 1°

resolution in position sensing is provided with the intelligent door lock system.