SE1951396A1 - Electronic lock configured to receive power from a mobile phone - Google Patents

Electronic lock configured to receive power from a mobile phone

Info

Publication number
SE1951396A1
SE1951396A1 SE1951396A SE1951396A SE1951396A1 SE 1951396 A1 SE1951396 A1 SE 1951396A1 SE 1951396 A SE1951396 A SE 1951396A SE 1951396 A SE1951396 A SE 1951396A SE 1951396 A1 SE1951396 A1 SE 1951396A1
Authority
SE
Sweden
Prior art keywords
electronic lock
connector
barrier
lock
mobile phone
Prior art date
Application number
SE1951396A
Other versions
SE545352C2 (en
Inventor
Eric Wiebols
Olle Bliding
Teodor Johnsson
Original Assignee
Assa Abloy Ab
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
Application filed by Assa Abloy Ab filed Critical Assa Abloy Ab
Priority to SE1951396A priority Critical patent/SE545352C2/en
Priority to PCT/EP2020/084514 priority patent/WO2021110861A1/en
Publication of SE1951396A1 publication Critical patent/SE1951396A1/en
Publication of SE545352C2 publication Critical patent/SE545352C2/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME 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
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E05B2047/0063—Energy transfer from key to lock, e.g. for emergency opening
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2015—Redundant power supplies
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME 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
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00634—Power supply for the lock
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME 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
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically 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
    • G07C2009/00761—Electronically 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 connected means, e.g. mechanical contacts, plugs, connectors
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME 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
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G07C2009/00841—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed by a portable device

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Telephone Function (AREA)

Abstract

It is provided an electronic lock for controlling access to a physical space secured by a barrier. The electronic lock comprises: a processor; a connector configured to receive power from a connected mobile phone, to thereby power the electronic lock; and a memory storing instructions that, when executed by the processor, cause the electronic lock to: communicate with a credential to evaluate whether access to the physical space is to be granted.

Description

ELECTRONIC LOCK CONFIGURED TO RECEIVE POWER FROM A MOBILEPHONE TECHNICAL FIELD 1. 1. id="p-1" id="p-1" id="p-1" id="p-1" id="p-1" id="p-1" id="p-1" id="p-1" id="p-1" id="p-1"
[0001] The present disclosure relates to the field of electronic locks and in particular to an electronic lock configured to receive power from a mobile phone.
BACKGROUND 2. 2. id="p-2" id="p-2" id="p-2" id="p-2" id="p-2" id="p-2" id="p-2" id="p-2" id="p-2" id="p-2"
[0002] Locks and keys are evolving from the traditional pure mechanical locks.These days, electronic locks are becoming increasingly common. For electronic locks, nomechanical key profile is needed for authentication of a user. The electronic locks can beopened using an electronic key stored on a dedicated carrier (fob, card, etc.) or in asmartphone. The electronic key and electronic lock can e.g. communicate over a wirelessinterface. Such electronic locks provide a number of benefits, including improved flexibility in management of access rights, audit trails, key management, etc. 3. 3. id="p-3" id="p-3" id="p-3" id="p-3" id="p-3" id="p-3" id="p-3" id="p-3" id="p-3" id="p-3"
[0003] However, unlike mechanical locks, electronic locks require a power source.Electronic locks can be powered over from a mains power supply, but this implies largerequirements on the installation, in terms of cost, time, installer skill and physicalappearance. Alternatively, electronic locks can be battery powered, but batteries onlyhold a limited amount of power and run out of power after a certain period of time,which requires timely battery replacement in order to ensure continuous operation ofthe electronic lock. Energy harvesting solutions have also been presented, whereelectrical energy is obtained by converting mechanical energy (e.g. from physicalmovement of door, handle or physical key) to electric energy and storing the electricenergy in the electronic lock for the next usage. However, energy harvesting solutionsmight not be reliable enough, especially for electronic locks that are only occasionally used.
SUMMARY 4. 4. id="p-4" id="p-4" id="p-4" id="p-4" id="p-4" id="p-4" id="p-4" id="p-4" id="p-4" id="p-4"
[0004] One object is to improve how power is supplied to electronic locks. . . id="p-5" id="p-5" id="p-5" id="p-5" id="p-5" id="p-5" id="p-5" id="p-5" id="p-5" id="p-5"
[0005] According to a first aspect, it is provided an electronic lock for controllingaccess to a physical space secured by a barrier. The electronic lock comprises: aprocessor; a connector configured to receive power from a connected mobile phone, tothereby power the electronic lock; and a memory storing instructions that, whenexecuted by the processor, cause the electronic lock to: communicate with a credential to evaluate whether access to the physical space is to be granted. 6. 6. id="p-6" id="p-6" id="p-6" id="p-6" id="p-6" id="p-6" id="p-6" id="p-6" id="p-6" id="p-6"
[0006] The electronic lock may further comprise a battery for powering theelectronic lock, whereby the connector is usable to receive power for the electronic lock when the battery is unable to power the electronic lock. 7. 7. id="p-7" id="p-7" id="p-7" id="p-7" id="p-7" id="p-7" id="p-7" id="p-7" id="p-7" id="p-7"
[0007] The connector may be the only power path for the electronic lock. In otherwords, the only way is then to supply power to the electronic lock is by supplying power via the connector. 8. 8. id="p-8" id="p-8" id="p-8" id="p-8" id="p-8" id="p-8" id="p-8" id="p-8" id="p-8" id="p-8"
[0008] The connector may be configured to enable communication between the electronic lock and the connected mobile phone. 9. 9. id="p-9" id="p-9" id="p-9" id="p-9" id="p-9" id="p-9" id="p-9" id="p-9" id="p-9" id="p-9"
[0009] The electronic lock may be configured to only perform access control when communication with the connected mobile phone occurs over the connector. . . id="p-10" id="p-10" id="p-10" id="p-10" id="p-10" id="p-10" id="p-10" id="p-10" id="p-10" id="p-10"
[0010] The electronic lock may be configured to receive software upgrades from the connected mobile phone through the connector. 11. 11. id="p-11" id="p-11" id="p-11" id="p-11" id="p-11" id="p-11" id="p-11" id="p-11" id="p-11" id="p-11"
[0011] The electronic lock may be configured to perform a hard reset when a mobile phone connects to the connector. 12. 12. id="p-12" id="p-12" id="p-12" id="p-12" id="p-12" id="p-12" id="p-12" id="p-12" id="p-12" id="p-12"
[0012] The electronic lock may further comprise an intermediary section configuredto be provided between the barrier and an outside barrier actuator on an accessible side of the barrier, wherein the intermediary section houses the connector. 13. 13. id="p-13" id="p-13" id="p-13" id="p-13" id="p-13" id="p-13" id="p-13" id="p-13" id="p-13" id="p-13"
[0013] The electronic lock may further comprise an inside part comprising all of theelectronic lock except the intermediary section, the connector and cabling to theconnector, wherein the inside part is configured to be provided on a restricted side of the barrier. 3 14. 14. id="p-14" id="p-14" id="p-14" id="p-14" id="p-14" id="p-14" id="p-14" id="p-14" id="p-14" id="p-14"
[0014] The inside part may be configured to be provided between the barrier and an inside barrier actuator on the restricted side of the barrier. . . id="p-15" id="p-15" id="p-15" id="p-15" id="p-15" id="p-15" id="p-15" id="p-15" id="p-15" id="p-15"
[0015] The electronic lock may further comprise a motor configured to control a lockstate of a connected mechanical lock. This allows the electronic lock to be retrofitted to an existing mechanical lock. 16. 16. id="p-16" id="p-16" id="p-16" id="p-16" id="p-16" id="p-16" id="p-16" id="p-16" id="p-16" id="p-16"
[0016] The electronic lock may further comprise a secondary cell battery, whereinthe electronic lock is configured to charge the secondary cell battery with power received via the connector. 17. 17. id="p-17" id="p-17" id="p-17" id="p-17" id="p-17" id="p-17" id="p-17" id="p-17" id="p-17" id="p-17"
[0017] Generally, all terms used in the claims are to be interpreted according to theirordinary meaning in the technical field, unless explicitly defined otherwise herein. Allreferences to "a/ an/ the element, apparatus, component, means, step, etc." are to beinterpreted openly as referring to at least one instance of the element, apparatus,component, means, step, etc., unless explicitly stated otherwise. The steps of anymethod disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
BRIEF DESCRIPTION OF THE DRAWINGS 18. 18. id="p-18" id="p-18" id="p-18" id="p-18" id="p-18" id="p-18" id="p-18" id="p-18" id="p-18" id="p-18"
[0018] Aspects and embodiments are now described, by way of example, with refer- ence to the accompanying drawings, in which: 19. 19. id="p-19" id="p-19" id="p-19" id="p-19" id="p-19" id="p-19" id="p-19" id="p-19" id="p-19" id="p-19"
[0019] Fig 1 is a schematic diagram showing an environment in which embodiments presented herein can be applied; . . id="p-20" id="p-20" id="p-20" id="p-20" id="p-20" id="p-20" id="p-20" id="p-20" id="p-20" id="p-20"
[0020] Fig 2 is a schematic drawing illustrating details in the vicinity of the barrieractuator of Fig 1, provided on the accessible side of the barrier, according to one embodiment; 21. 21. id="p-21" id="p-21" id="p-21" id="p-21" id="p-21" id="p-21" id="p-21" id="p-21" id="p-21" id="p-21"
[0021] Fig 3 is a schematic drawing illustrating an inside part of the electronic lock of Fig 1, provided on the restricted side of the barrier 15, according to one embodiment; 22. 22. id="p-22" id="p-22" id="p-22" id="p-22" id="p-22" id="p-22" id="p-22" id="p-22" id="p-22" id="p-22"
[0022] Fig 4 is a schematic diagram illustrating components of the electronic lock 1 of Fig 1; and 4 23. 23. id="p-23" id="p-23" id="p-23" id="p-23" id="p-23" id="p-23" id="p-23" id="p-23" id="p-23" id="p-23"
[0023] Fig 5 is a schematic drawing illustrating an embodiment of a dedicated key device that can be used for interacting with the electronic lock of Fig 1.
DETAILED DESCRIPTION 24. 24. id="p-24" id="p-24" id="p-24" id="p-24" id="p-24" id="p-24" id="p-24" id="p-24" id="p-24" id="p-24"
[0024] The aspects of the present disclosure will now be described more fullyhereinafter with reference to the accompanying drawings, in which certainembodiments of the invention are shown. These aspects may, however, be embodied inmany different forms and should not be construed as limiting; rather, theseembodiments are provided by way of example so that this disclosure will be thoroughand complete, and to fully convey the scope of all aspects of invention to those skilled in the art. Like numbers refer to like elements throughout the description. . . id="p-25" id="p-25" id="p-25" id="p-25" id="p-25" id="p-25" id="p-25" id="p-25" id="p-25" id="p-25"
[0025] Fig 1 is a schematic diagram showing an environment in which embodimentspresented herein can be applied. Access to a physical space 16 is restricted by a physicalbarrier 15 which is selectively unlockable. The physical barrier 15 stands between therestricted physical space 16 and an accessible physical space 14. Note that the accessiblephysical space 14 can be a restricted physical space in itself, but in relation to thisphysical barrier 15, the accessible physical space 14 is accessible. The accessible physicalspace 14 is also here referred to as "the outside" and the restricted physical space 16 isalso here referred to as "the inside". These terms are to be construed in relation to thephysical barrier 15 between these two physical spaces 14, 16. The barrier 15 can be adoor (including car door), gate, hatch, cabinet door, drawer, window, etc. It is to benoted that while Fig 1 is depicted in the context of the restricted physical space 16 beinga building, the restricted physical space 16 can be any restricted physical space secured by an electronic lock, such as a vehicle, a cabinet, drawer, etc. 26. 26. id="p-26" id="p-26" id="p-26" id="p-26" id="p-26" id="p-26" id="p-26" id="p-26" id="p-26" id="p-26"
[0026] In order to control access to the physical space 16, by selectively unlocking the barrier 15, an electronic lock 1 is provided. 27. 27. id="p-27" id="p-27" id="p-27" id="p-27" id="p-27" id="p-27" id="p-27" id="p-27" id="p-27" id="p-27"
[0027] A barrier actuator 5a, e.g. in the form of a handle, knob, etc., is provided to allow a person to open the barrier 15 when the electronic lock 1 is in an unlocked state. 28. 28. id="p-28" id="p-28" id="p-28" id="p-28" id="p-28" id="p-28" id="p-28" id="p-28" id="p-28" id="p-28"
[0028] The electronic lock 1 can be provided on the inside of the barrier 15 (as shown) or in the structure 17 surrounding the barrier 15 (not shown). Alternatively, the electronic lock 1 can be provided in the barrier 15 itself (not shown). The electronic lock1 is controllable to be in a locked state or in an unlocked state, based on communication with a credential for evaluating whether access to the physical space is to be granted. 29. 29. id="p-29" id="p-29" id="p-29" id="p-29" id="p-29" id="p-29" id="p-29" id="p-29" id="p-29" id="p-29"
[0029] When the electronic lock 1 is in an unlocked state, the barrier 15 can beopened and when the electronic lock 1 is in a locked state, the barrier 15 cannot beopened. In this way, access to a restricted physical space 16 is controlled by the electronic lock 1. . . id="p-30" id="p-30" id="p-30" id="p-30" id="p-30" id="p-30" id="p-30" id="p-30" id="p-30" id="p-30"
[0030] According to embodiments presented herein, the electronic lock comprises aconnector which is configured to receive power from a connected mobile phone 2, tothereby power the electronic lock 1. The mobile phone 2 is any mobile phone comprisinga port to which a cable 4 can be connected to supply power to the electronic lock 1. Forinstance, the mobile phone 2 can be a smartphone. In this way, the electronic lock 1 can be powered by the mobile phone 2. 31. 31. id="p-31" id="p-31" id="p-31" id="p-31" id="p-31" id="p-31" id="p-31" id="p-31" id="p-31" id="p-31"
[0031] In one embodiment, the connector of the electronic lock 1 is also used for thecommunication with the mobile phone 2. In other words, the connector is configured toenable communication between the electronic lock 1 and the connected mobile phone 2.The mobile phone 2 is then the credential with which the electronic lock 1communicates to evaluate access. In this embodiment, the electronic lock 1 does notneed any other power source and can be powered solely by connecting a mobile phone(via the cable 4) to the connector of the electronic lock 1. In other words, the connectoris here the only power path for the electronic lock. Furthermore, this embodimentprovides an intuitive an unambiguous way to express intent to open the electronic lock1. For instance, consider a case where a user has access to a number of electronic locksprovided to different restricted physical spaces from a single corridor. Several electroniclocks may be in range for a credential if only wireless communication is used. But, as isthe case of this embodiment, when communication occurs over the cable 4, it isunambiguous indicated which one of the several electronic locks that the user would liketo unlock. In other words, the electronic lock is then configured to only start access control when the cable 4 is connected to the connector. 32. 32. id="p-32" id="p-32" id="p-32" id="p-32" id="p-32" id="p-32" id="p-32" id="p-32" id="p-32" id="p-32"
[0032] In one embodiment, the electronic lock 1 communicates wirelessly with acredential, e.g. in the form of a fob, card, or even wirelessly with the mobile phone 2. Inthis case, the electronic lock comprises a battery for powering the electronic lock whenwireless communication occurs. Still, the connector of the electronic lock is usable toreceive power for the electronic lock when the battery is unable to power the electroniclock, e.g. if the battery has run out or is malfunctioning. In this embodiment, theconnector is used to supply backup power or emergency power when needed, thus improving availability of the electronic lock 1. 33. 33. id="p-33" id="p-33" id="p-33" id="p-33" id="p-33" id="p-33" id="p-33" id="p-33" id="p-33" id="p-33"
[0033] In one embodiment, the electronic lock 1 is configured to perform a hardreset when a mobile phone connects to the connector. A hard reset can thus be triggeredfrom the outside, since the connector is provided on the outside. This can be particularlyuseful when the electronic lock 1 controls access to a restricted physical space 16 where no person is normally present, e.g. a storage space or even the inside of a locked cabinet. 34. 34. id="p-34" id="p-34" id="p-34" id="p-34" id="p-34" id="p-34" id="p-34" id="p-34" id="p-34" id="p-34"
[0034] In one embodiment, the electronic lock 1 is configured to receive softwareupgrades from the connected mobile phone 2 through the connector 20.Communication over a wired interface and the connector is typically faster and morereliable (less susceptible to varying or poor radio conditions) than communication overa wireless interface. This allows the software upgrade to be performed in a fast and reliable way. . . id="p-35" id="p-35" id="p-35" id="p-35" id="p-35" id="p-35" id="p-35" id="p-35" id="p-35" id="p-35"
[0035] In one embodiment, the electronic lock comprises a secondary cell battery. Inthis case, the electronic lock is configured to charge the secondary cell battery with power received via the connector. 36. 36. id="p-36" id="p-36" id="p-36" id="p-36" id="p-36" id="p-36" id="p-36" id="p-36" id="p-36" id="p-36"
[0036] Fig 2 is a schematic drawing illustrating details in the vicinity of the barrieractuator 5a of Fig 1, provided on the accessible side of the barrier 15, according to one embodiment. 37. 37. id="p-37" id="p-37" id="p-37" id="p-37" id="p-37" id="p-37" id="p-37" id="p-37" id="p-37" id="p-37"
[0037] The barrier actuator 5a is here depicted as a handle, but can be any suitablebarrier actuator. As known in the art, a protective plate 6 can be provided by the barrier15. Furthermore, there is here an intermediary section 22 configured to be provided between the barrier 15 and the barrier actuator 5a on the accessible side of the barrier 7 . The intermediary section 22 forms part of the electronic lock 1 and the intermediarysection 22 houses the connector 20. As explained above, a cable 4 can be connectedbetween the connector 20 and a mobile phone to transfer power from the mobile phoneto the electronic lock which is used to (at least part of the time) supply power to theelectronic lock. It is to be noted that the connector can also be connected via a cable 4 toa portable battery pack, whereby the battery pack powers the electronic lock. In thiscase, the electronic lock communicates with the credential for access control in another way than through the connector 20. 38. 38. id="p-38" id="p-38" id="p-38" id="p-38" id="p-38" id="p-38" id="p-38" id="p-38" id="p-38" id="p-38"
[0038] The intermediate section 22 can have the same shape (perpendicular to thebarrier 15) as the protective plate 6 to make it difficult for an attacker to remove the intermediate section. 39. 39. id="p-39" id="p-39" id="p-39" id="p-39" id="p-39" id="p-39" id="p-39" id="p-39" id="p-39" id="p-39"
[0039] The connector 20 can be of any suitable type that allows it to receive powerfrom the mobile phone. For instance, the connector can be of a type USB(UniversalSerial Bus)-C, USB-A or lightning. In one embodiment, one or more magnets (notshown) are provided in at least one of the connector 20 and the cable 4 to be connectedwith the connector, to simplify connection and disconnection of the cable 4 in the COIIIICCIOT. 40. 40. id="p-40" id="p-40" id="p-40" id="p-40" id="p-40" id="p-40" id="p-40" id="p-40" id="p-40" id="p-40"
[0040] Cabling 24 is connected between the connector 20 and the rest of theelectronic lock (not shown) to allow power to flow from the connector 20 to the rest ofthe electronic lock. This cabling 24 is internal to the electronic lock and is not exposed.For instance, the cabling can be provided through an existing lock case or otherwise through the barrier 15. 41. 41. id="p-41" id="p-41" id="p-41" id="p-41" id="p-41" id="p-41" id="p-41" id="p-41" id="p-41" id="p-41"
[0041] Fig 3 is a schematic drawing illustrating an inside part 25 of the electroniclock of Fig 1, provided on the restricted side of the barrier 15, according to oneembodiment. 8.The inside part 25 of the electronic lock 1 comprising all of theelectronic lock 1 except the intermediary section 22 (see Fig 2), the connector 20 (seeFig 2) and cabling 24 to the connector 20. The inside part 25 is configured to be provided on the restricted side 16 of the barrier 15. 8 42. 42. id="p-42" id="p-42" id="p-42" id="p-42" id="p-42" id="p-42" id="p-42" id="p-42" id="p-42" id="p-42"
[0042] An inside barrier actuator 5b is provided, here depicted as a handle, but canbe any suitable barrier actuator. In this embodiment, the inside part 25 is configured tobe provided between the barrier 15 and the inside barrier actuator 15b, on the restricted side of the barrier 15. 43. 43. id="p-43" id="p-43" id="p-43" id="p-43" id="p-43" id="p-43" id="p-43" id="p-43" id="p-43" id="p-43"
[0043] A thumb turn 7 can be provided which allows a user to mechanically unlock and/ or lock the electronic lock by turning the thumb turn 7. 44. 44. id="p-44" id="p-44" id="p-44" id="p-44" id="p-44" id="p-44" id="p-44" id="p-44" id="p-44" id="p-44"
[0044] Optionally, the electronic lock 1 is configured to be retrofitted to an existingmechanical lock. The inside part 25 then comprises a motor which, by interacting withthe mechanics of the mechanical lock, controls a lock state of the connected mechanicallock. The motor can control a state of a locking bolt of the mechanical lock, whichrequires a significant amount of energy. Since the energy is received from the connected mobile phone, this energy is sufficient to power the motor. 45. 45. id="p-45" id="p-45" id="p-45" id="p-45" id="p-45" id="p-45" id="p-45" id="p-45" id="p-45" id="p-45"
[0045] Fig 4 is a schematic diagram illustrating components of the electronic lock 1of Fig 1. A processor 60 is provided using any combination of one or more of a suitablecentral processing unit (CPU), multiprocessor, microcontroller, digital signal processor(DSP), etc., capable of executing software instructions 67 stored in a memory 64, whichcan thus be a computer program product. The processor 60 could alternatively beimplemented using an application specific integrated circuit (ASIC), field programmable gate array (FPGA), etc. 46. 46. id="p-46" id="p-46" id="p-46" id="p-46" id="p-46" id="p-46" id="p-46" id="p-46" id="p-46" id="p-46"
[0046] The memory 64 can be any combination of random-access memory (RAM)and/ or read-only memory (ROM). The memory 64 also comprises persistent storage,which, for example, can be any single one or combination of magnetic memory, optical memory, solid-state memory or even remotely mounted memory. 47. 47. id="p-47" id="p-47" id="p-47" id="p-47" id="p-47" id="p-47" id="p-47" id="p-47" id="p-47" id="p-47"
[0047] A data memory 66 is also provided for reading and/ or storing data duringexecution of software instructions in the processor 60. The data memory 66 can be anycombination of RAM and/ or ROM. 48. 48. id="p-48" id="p-48" id="p-48" id="p-48" id="p-48" id="p-48" id="p-48" id="p-48" id="p-48" id="p-48"
[0048] The connector 20, as explained above, is configured to receive power from amobile phone. Optionally, a battery 69 is also provided, in which case the connector 20 can be used as a supplementary or emergency power path. 9 49. 49. id="p-49" id="p-49" id="p-49" id="p-49" id="p-49" id="p-49" id="p-49" id="p-49" id="p-49" id="p-49"
[0049] The electronic lock 1 further comprises an I/ O module 62 for communicatingwith external and/ or internal entities, such as with a credential. The communicationwith the credential can occur over a wireless interface, e.g. using Bluetooth Low Energy(BLE), Bluetooth, ZigBee, or any of the IEEE 802.11x standards (also known as WiFi),etc. Alternatively or additionally, the communication with the credential can occur over a wired interface via the connector 20. 50. 50. id="p-50" id="p-50" id="p-50" id="p-50" id="p-50" id="p-50" id="p-50" id="p-50" id="p-50" id="p-50"
[0050] Other components of the electronic lock 1 are omitted in order not to obscure the concepts presented herein. 51. 51. id="p-51" id="p-51" id="p-51" id="p-51" id="p-51" id="p-51" id="p-51" id="p-51" id="p-51" id="p-51"
[0051] Fig 5 is a schematic drawing illustrating an embodiment of a dedicated key device 30 that can be used for interacting with the electronic lock 1 of Fig 1. 52. 52. id="p-52" id="p-52" id="p-52" id="p-52" id="p-52" id="p-52" id="p-52" id="p-52" id="p-52" id="p-52"
[0052] The key device 30 comprises one or more batteries 31 and a user interface32a, 32b. The one or more batteries 31 can be primary cell batteries, which can beconveniently replaced at need. Alternatively, the one or more batteries are secondarycell batteries which can be charged when the key device 30 is not in use. The key devicedoes not need to perform any other functions than interacting with the electronic lockand the key device does not necessarily have the same strict physical size restrictions asa mobile phone. This provides more freedom on dimensioning the size, and thus capacity, of the one more batteries. 53. 53. id="p-53" id="p-53" id="p-53" id="p-53" id="p-53" id="p-53" id="p-53" id="p-53" id="p-53" id="p-53"
[0053] The user interface 32a, 32b can be used to indicate a desire to unlock andlock a connected electronic lock. In one embodiment, the user interface comprises onlytwo push buttons, a first (e.g. green) push button 32a for unlocking a connectedelectronic lock and a second (e.g. red) push button 32b for locking a connectedelectronic lock. The key device 30 contains a memory for storing credentials forunlocking a connected electronic lock, and an interface for connecting with theelectronic lock, via a cable 4. The key device 30 further comprises circuitry (e.g. processor, etc.) for authenticating itself when communicating with the electronic lock. 54. 54. id="p-54" id="p-54" id="p-54" id="p-54" id="p-54" id="p-54" id="p-54" id="p-54" id="p-54" id="p-54"
[0054] The key device 30 operates the same way as described above for the mobile phone. By providing the dedicated key device 30, an intuitive and simple user interface can be used for unlocking and locking electronic locks. From the electronic lock perspective, the interface with the key device 30 and the mobile phone can be identical. 55. 55. id="p-55" id="p-55" id="p-55" id="p-55" id="p-55" id="p-55" id="p-55" id="p-55" id="p-55" id="p-55"
[0055] The aspects of the present disclosure have mainly been described above withreference to a few embodiments. However, as is readily appreciated by a person skilledin the art, other embodiments than the ones disclosed above are equally possible withinthe scope of the invention, as defined by the appended patent claims. Thus, whilevarious aspects and embodiments have been disclosed herein, other aspects andembodiments will be apparent to those skilled in the art. The various aspects andembodiments disclosed herein are for purposes of illustration and are not intended to be limiting, with the true scope and spirit being indicated by the following claims.

Claims (12)

1. 1. An electronic lock (1) for controlling access to a physical space (16) secured by abarrier (15), the electronic lock (1) comprising: a processor (60); a connector (20) configured to receive power from a connected mobile phone (2),to thereby power the electronic lock (1); and a memory (64) storing instructions (67) that, when executed by the processor,cause the electronic lock (1) to: communicate with a credential to evaluate whether access to the physical space is to be granted.
2. The electronic lock (1) according to claim 1, wherein the electronic lock (1) furthercomprises a battery (69) for powering the electronic lock (1), whereby the connector(20) is usable to receive power for the electronic lock (1) when the battery (69) is unable to power the electronic lock.
3. The electronic lock (1) according to claim 1, wherein the connector (20) is the only power path for the electronic lock (1).
4. The electronic lock (1) according to any one of the preceding claims, wherein theconnector (20) is configured to enable communication between the electronic lock (1) and the connected mobile phone (2).
5. The electronic lock (1) according to claim 4, wherein the electronic lock (1) isconfigured to only perform access control when communication with the connected mobile phone (2) occurs over the connector (20).
6. The electronic lock (1) according to claim 4 or 5, wherein the electronic lock (1) isconfigured to receive software upgrades from the connected mobile phone (2) through the connector (20).
7. The electronic lock (1) according to any one of the preceding claims, wherein theelectronic lock (1) is configured to perform a hard reset when a power source connects to the connector (20).
8. The electronic lock (1) according to any one of the preceding claims, further comprising an intermediary section (22) configured to be provided between the barrier 12 (15) and an outside barrier actuator (5a) on an accessible side of the barrier (15), wherein the intermediary section (22) houses the connector (20).
9. The electronic lock (1) according to claim 8, further comprising an inside part (25)comprising all of the electronic lock (1) except the intermediary section (22), theconnector (20) and cabling (24) to the connector (20), wherein the inside part (25) is configured to be provided on a restricted side of the barrier (15).
10. The electronic lock (1) according to claim 9, wherein the inside part (25) isconfigured to be provided between the barrier (15) and an inside barrier actuator (5b) on the restricted side of the barrier (15).
11. The electronic lock (1) according to any one of the preceding claims, further comprising a motor configured to control a lock state of a connected mechanical lock.
12. The electronic lock (1) according to any one of the preceding claims, furthercomprising a secondary cell battery, wherein the electronic lock (1) is configured to charge the secondary cell battery with power received via the connector (20).
SE1951396A 2019-12-04 2019-12-04 Electronic lock configured to receive power from a mobile phone SE545352C2 (en)

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