GB2358427A - Automatic locking - Google Patents

Automatic locking Download PDF

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Publication number
GB2358427A
GB2358427A GB0001276A GB0001276A GB2358427A GB 2358427 A GB2358427 A GB 2358427A GB 0001276 A GB0001276 A GB 0001276A GB 0001276 A GB0001276 A GB 0001276A GB 2358427 A GB2358427 A GB 2358427A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
means
vehicle
locking
remote
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0001276A
Other versions
GB2358427B (en )
GB0001276D0 (en )
Inventor
Colin Michael Davis
Colin Davis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

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Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/0019Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having only one limited data transmission rangs
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00206Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00968Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier
    • G07C2009/00984Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier fob

Abstract

The present invention provides an automatic locking system comprising first means located in eg a vehicle to be locked, and a portable second means. The second means is arranged so that when it is transported away from the vehicle the vehicle is automatically locked. The second means includes means for generating and transmitting a signal upon activation back to said first means. The second means is preferably located in a modified key fob and the signal is a radio signal. When the driver reaches a certain distance away from the vehicle and the signal had dropped by a certain proportion, the doors would automatically be locked. Unlocking would be manually achieved. In another embodiment the second means is powered by a vehicle mounted inductive loop and would cease transmission beyond range of the loop. In a further embodiment the second means would transmit a lock signal when it could no longer receive an ultrasonic signal from the vehicle.

Description

2358427 AUTOMATIC LOCKING SYSTEM The present invention relates to an

automatic locking system and may be conveniently employed for automatically locking vehicle doors, but is not limited thereto.

A remote control device is often used for both locking a vehicle's doors and for activating the vehicle's alarm system. This remote control device is often located in a key fob. A problem with any locking system is to ensure that the system is operated at the appropriate time. For example when the driver leaves the vehicle it is possible to leave the vehicle unlocked because the driver has to remember to activate the locking system. Therefore it would be advantageous to provide a system whereby the locking system is operated automatically without the need for positive driver intervention.

According to the present invention there is provided an automatic locking system comprising first means located in the apparatus to be locked, and second means arranged to be portable enabling said second means to be transported away from said first means, characterised in that said second means is arranged to be activated when transported away from said first means, said second means including means for generating and transmitting a signal upon activation back to said first means which upon reception of said signal causes a locking mechanism within said first means to be operated.

According to an aspect of the invention, the apparatus may be a vehicle.

The first means may be located m the vehicle.

The second means may be located in a remote control device of t -ie vehicle's ignition.

The first means may comprise a receive antenna, a receiver circuit i qd processing means for generating an output signal to operate said locking mechanism.

The second means may comprise a transmit antenna, a transmitter cir4 it, and processing means for generating the signal.

In one embodiment of the invention a modified remote control dei -e transmitter in the 433MHz band could be integrated with the ignition key itsAlf so that as the driver removes the key from the lock the remote control devi e would start to transmit a series of messages intermittently. As the driver wl ks away from the vehicle, the vehicle based remote control device receiver fit would monitor the signal level. When the driver reaches a certain distance aw iy from the vehicle and the signal had dropped by a certain proportion, the d(rs would automatically be locked. Unlocking would be manually achieved, l 1 Or example, by pressing a button on the remote control device.

The intermittent signals may. be transmitted for a time penod long enou yh to account for the amount of time a typical driver takes to leave the vehilc.e.

This time may be minimised to conserve battery life.

In an alternative embodiment, the messages could be continually sent once the driver removes the ignition key. This would cope with delays in driver leaving vehicle. The remote control device could be recharged whilst in the ignition key slot. Once the internal battery voltage has dropped to a predetermined limit, the remote control device may transmit a battery low message to the vehicle a number of times, after which the vehicle would not lock but the vehicle may indicate to the driver by flashing the car lights, for example, that auto-locking will not happen.

In another embodiment the remote control device could also include an ultrasonic receiver. In this case, the vehicle would transmit ultrasonic messages at regular intervals which are received by the remote control device. When the remote control device ceased to receive the ultrasonic messages, for example when the vehicle doors close, it would respond by sending a lock signal to the vehicle. The vehicle would turn on the ultrasonic pulses when the driver removes the key from the ignition.

In yet another embodiment the vehicle could be equipped with a magnetic loop transmitter such as those found in door access systems. Energy is absorbed by a remote control device and used to send a radio or magnetic signal back to the vehicle to make known its presence. As the remote control device is removed from the vehicle, the energy received by the remote control device collapses, and therefore it cannot respond. The vehicle locking system would automatically lock when it stops detecting the received messages. Unlock ng would be by means of a standard radio technique. The most effiplient implementation for autolocking would be to have a remote control device with a magnetic receiver to absorb energy and a radio transmitter which usesAhat 5 energy to respond.

All the above remote control devices could include a switch to inh bit auto-locking by the driver. This would allow the vehicle to be left op!t if required.

Various embodiments of the present invention will now be describox in detail with reference to the accompanying drawings, in which:

Figure I shows the block diagram of the receiver processing equiptr ent located in for example, a vehicle, Figure 2 shows the processing circuitry which would be located in remote control device relating to the vehicle.

Referring to Figure 1, there is shown a receiver unit 2 to whiol. is connected a receive antenna 4. The output 3 of receiver unit 2 is connected o a processing circuit 6, which has an output 8. Output 8 is connected to the immobiliser and/or door lock circuitry of the vehicle. The receiver unit Ls a further output line 10, over which a received signal strength indicator (R.' SI) signal is passed to the processing circuit 6.

Referring to Figure 2, the remote control device incorporates a charging circuitry 20 having an input line 22. The input line 22 receives a charging current. An output line 24 of the charging circuit 20, is connected to one side of a memory storage capacitor or battery 26, the other side of which is connected to earth. The output line 24 of the charging circuitry 20 is also connected to an input of a voltage low detector 28 and to an input of a supply changeover switch 30. The output of the voltage low detector 28 is connected to an input of a processing circuit 32, the output of which is connected to an input of a transmitter circuit 34. The output the transmitter circuit 34 is connected to a transmit antenna 36. The supply changeover switch is connected to a remote control device battery 38, the other side of which is connected to earth. The input of the supply changeover switch is also connected to one side of a manually operated switch 40, the other side of which is connected to an output of the supply changeover switch 30.

The embodiment shown in Figures I and 2 involves minimal cost and uses radio means for communication. In Figure 2, as mentioned above, the rechargeable battery 26 could be replaced by a memory storage capacitor which typically could be one Farad in ca pacitance. The recharging mechanism in the form of circuitry 20 can charge the capacitor 26 by either by direct wired twelve volt connection made as the key is pushed into the ignition switch or via a magnetic coupling. The magnetic coupling may comprise two halves of a transformer. One of the halves could be in the remote control device and he other in side the ignition slot assembly of the vehicle.

To enable the apparatus to work under circumstances when: he rechargeable battery or memory storage capacitor 26 falls below a predetermined level, a voltage low detector 28 is provided which indicates to the user via an audible or visible signal that the memory storage capacitor or battery 26 is low. Under normal circumstances the processor is powered y a supply changeover switch 3 0 from the memory storage capacitor or battery:, ' 6. However, when the voltage low indicator is active, this indicates to the user by for example, causing the vehicle's horn to sound or lights to flash, that, he manual switch 40 should be operated so that the remote control device stand battery 38 is used to supply the processor 32. The processor 32 is arranged to provide the necessary series of signals which are transmitted via the transruiilter circuit 34 and the antenna 36.

The transmitted signals are received by the antenna 4 in the vehicle. Ae received signals are passed to the receiver 2 which in turn passes those signals to a processing circuit 6 which generates the required signals on output line 8 to activate the vehicle immobiliser and/or door locking circuitry.

The typical supply current for a 433MHz remote control device is 2p-A.

The range from such a device is no more than about 5 metres. The no ge requirement would need to be higher in order to provide reliable communications. Therefore, a current requirement of 1OmA plus an additional processor (assuming 5mA continuous for a processor), and assuming one message takes 85ms to send (similar to an existing remote control device), and assuming, one message is transmitted every 2 seconds then the average current which is required is:

Processor current + TX currentduty cycle =5 + 100.0425=5.5mA Assun-fing the use of a 0. IF capacitor and that it is charged to 5.5V before transmit and that the lowest operating voltage is 3.3V then the operating time will be:

dVC = 2.20. 1/5.5E-3=40 seconds, If a 1 F capacitor were used, the operating time would extended to over six minutes.

By making the locking logic dependent on the measurement of signal level reaching the vehicle receiver, it will be possible to ensure that the vehicle keys cannot be locked in the vehicle. If the key is left on the vehicle seat, the received signal level will not drop as the driver leaves the vehicle and the vehicle will remain unlocked.

The present invention is not lirnited to vehicles. It could also be used on personalised furniture, for example, desks which lock when the user leaves them, computer passwords whereby the computer logs out as the user leaves or switch in a screensaver password.

Claims (13)

1. An automatic locking system comprising first means located in the apparatus to be locked, and second means arranged to be portable enabling said second means to be transported away from said first means, characterised in that said second means is arranged to be activated when transported away from said first means, said second means including means for generating and transmitting a signal upon activation back to said first means which upon reception of said signal causes a locking mechanism within said first means to be operated.
2. An automatic locking system as claimed in claim 1, wherein said 10 apparatus is a vehicle.
3. An automatic locking system as claimed in claim 2, wherein the first means is located within the vehicle.
4. An automatic locking system as claimed in claim 2 or claim 3. wherein the second means is located within a remote control device of the vehicle's 15 ignition key.
5. An automatic locking system as claimed in any preceding claim, wher(in the first means comprises a receive antenna, a receiver circuit and procesi;l 19 means for generating an output signal to operate said locking mechanism.
6. An automatic locking system as claimed in any preceding claim, whert in the second means includes a transmit antenna, a transmitter circuit, Ald processing means for generating the signal.
7. An automatic locking system as claimed in claims 4 - 6, wherein, 1 he second means includes a rechargeable battery which is charged whilst Ihe ignition key is in the ignition lock.
8. An automatic locking means as claimed in claim 6, wherein the secorid means includes a memory storage capacitor which is charged whilst the ignitian key is in the ignition lock.
9. An automatic locking system as claimed in any preceding claim, whetfin in the second means includes a voltage low detector to indicate when slid memory storage capacitor or battery is below a predetermined voltage 11e+ l which provides an indication to the user whereby said user can operate a maii tal switch to power up the processing and transmitter circuits from a baitt f ry incorporated within the remote control device of the ignition key.
10. An automatic locking system as claimed in claim 8, wherein the voltage low detector generates a signal which is transmitted back to the vehicle which upon receipt causes an audible or visual warning to be activated to inform the driver of the vehicle that the locking mechanism will not be operated.
11. An automatic locking system as claimed in claim 2, wherein said second means includes and ultrasonic receiver and said first means includes an ultrasonic transmitter arranged to transmit messages at a regular interval, said second means is arranged to receive said messages and said second means fails to receive said messages the processing means and transmitting means responds send a signal to said first means for operating said locking mechanism.
12. An automatic locking system as claimed in claim 2, wherein said second means includes a device for absorbing magnetic energy when said second means is located with said first means, and, when said second means is transported away ftom said first means, said second means is arranged to send a magnetic or radio signal back to said first means which is used to operate said locking mechanism.
13. An automatic locking system as hereinbefore described with reference to the accompanying drawings.
GB0001276A 2000-01-21 2000-01-21 Automatic locking system Active GB2358427B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0001276A GB2358427B (en) 2000-01-21 2000-01-21 Automatic locking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001276A GB2358427B (en) 2000-01-21 2000-01-21 Automatic locking system

Publications (3)

Publication Number Publication Date
GB0001276D0 GB0001276D0 (en) 2000-03-08
GB2358427A true true GB2358427A (en) 2001-07-25
GB2358427B GB2358427B (en) 2004-01-21

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Application Number Title Priority Date Filing Date
GB0001276A Active GB2358427B (en) 2000-01-21 2000-01-21 Automatic locking system

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040896A1 (en) * 2001-11-05 2003-05-15 Secure Access Management Aps Personal access control system
WO2005069246A2 (en) * 2004-01-09 2005-07-28 United Parcel Service Of America, Inc. System, method and apparatus for collecting telematics and sensor information in a delivery vehicle
US7840340B2 (en) 2007-04-13 2010-11-23 United Parcel Service Of America, Inc. Systems, methods, and computer program products for generating reference geocodes for point addresses
US7868753B2 (en) 2001-08-24 2011-01-11 United Parcel Service Of America, Inc. Portable data acquisition and management system and associated device and method
US8416067B2 (en) 2008-09-09 2013-04-09 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
CN104100143A (en) * 2013-04-06 2014-10-15 章玺 Electronic lock with ultrasonic module
US9256992B2 (en) 2011-03-31 2016-02-09 United Parcel Service Of America, Inc. Systems and methods for assessing vehicle handling
US9805521B1 (en) 2013-12-03 2017-10-31 United Parcel Service Of America, Inc. Systems and methods for assessing turns made by a vehicle

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US4763121A (en) * 1985-08-12 1988-08-09 Nissan Motor Company, Limited Keyless entry system for automatically operating automotive door locking devices without manual operation
EP0343619A2 (en) * 1988-05-27 1989-11-29 Lectron Products, Inc. Passive keyless entry system
WO1999028579A1 (en) * 1997-12-04 1999-06-10 David George Watts Locking system, particularly for doors

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US4763121A (en) * 1985-08-12 1988-08-09 Nissan Motor Company, Limited Keyless entry system for automatically operating automotive door locking devices without manual operation
EP0276113A2 (en) * 1987-01-21 1988-07-27 Christopher James Harley Code device recognition system and access control system using such recognition system
EP0343619A2 (en) * 1988-05-27 1989-11-29 Lectron Products, Inc. Passive keyless entry system
WO1999028579A1 (en) * 1997-12-04 1999-06-10 David George Watts Locking system, particularly for doors

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7868753B2 (en) 2001-08-24 2011-01-11 United Parcel Service Of America, Inc. Portable data acquisition and management system and associated device and method
WO2003040896A1 (en) * 2001-11-05 2003-05-15 Secure Access Management Aps Personal access control system
WO2005069246A2 (en) * 2004-01-09 2005-07-28 United Parcel Service Of America, Inc. System, method and apparatus for collecting telematics and sensor information in a delivery vehicle
US7457693B2 (en) 2004-01-09 2008-11-25 United Parcel Service Of America, Inc. System, method, and apparatus for collecting telematics and sensor information in a delivery vehicle
US7486181B2 (en) 2004-01-09 2009-02-03 United Parcel Service Of America, Inc. System, method, and apparatus for capturing telematics data with an active RFID tag
US7571036B2 (en) 2004-01-09 2009-08-04 United Parcel Service Of America, Inc. System, method, and apparatus for collecting telematics and sensor information in a delivery vehicle
US7683774B2 (en) 2004-01-09 2010-03-23 United Parcel Service Of America, Inc. System, method, and apparatus for capturing telematics data with an active RFID tag
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US7840340B2 (en) 2007-04-13 2010-11-23 United Parcel Service Of America, Inc. Systems, methods, and computer program products for generating reference geocodes for point addresses
US7953547B2 (en) 2007-04-13 2011-05-31 United Parcel Service Of America, Inc. Systems, methods, and computer program products for generating reference geocodes for point addresses
US8065076B2 (en) 2007-04-13 2011-11-22 United Parcel Service Of America, Inc. Systems, methods, and computer program products for generating reference geocodes for point addresses
US9324198B2 (en) 2008-09-09 2016-04-26 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
US9704303B2 (en) 2008-09-09 2017-07-11 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
US8896430B2 (en) 2008-09-09 2014-11-25 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
US9472030B2 (en) 2008-09-09 2016-10-18 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
US8416067B2 (en) 2008-09-09 2013-04-09 United Parcel Service Of America, Inc. Systems and methods for utilizing telematics data to improve fleet management operations
US9256992B2 (en) 2011-03-31 2016-02-09 United Parcel Service Of America, Inc. Systems and methods for assessing vehicle handling
US9613468B2 (en) 2011-03-31 2017-04-04 United Parcel Service Of America, Inc. Systems and methods for updating maps based on telematics data
US9799149B2 (en) 2011-03-31 2017-10-24 United Parcel Service Of America, Inc. Fleet management computer system for providing a fleet management user interface displaying vehicle and operator data on a geographical map
US9858732B2 (en) 2011-03-31 2018-01-02 United Parcel Service Of America, Inc. Systems and methods for assessing vehicle and vehicle operator efficiency
US9903734B2 (en) 2011-03-31 2018-02-27 United Parcel Service Of America, Inc. Systems and methods for updating maps based on telematics data
CN104100143A (en) * 2013-04-06 2014-10-15 章玺 Electronic lock with ultrasonic module
US9805521B1 (en) 2013-12-03 2017-10-31 United Parcel Service Of America, Inc. Systems and methods for assessing turns made by a vehicle

Also Published As

Publication number Publication date Type
GB2358427B (en) 2004-01-21 grant
GB0001276D0 (en) 2000-03-08 grant

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