IP Library Granted Patent US 12673637
Granted Patent B2
US 12673637 · App. 18/314,800 · Granted Jul 7, 2026

System, method and apparatus for mobile fob or key bridge, versatile smart key, and smart device interface

Inventors: Douglas Lawrence Robertson (Louisville, KY); Adam Lee Pizer (Louisville, KY); Florian Luaire (Louisville, KY); Pradnya Deokar (Louisville, KY)
Assignee: IKEYLESS, LLC
B60R25/24B60R25/01B60R25/209B60R2325/101B60R2325/103B60R2325/205E05B81/56E05F15/77E05Y2400/8505E05Y2400/851E05Y2400/8515E05Y2900/531E05Y2900/55
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Quick Facts
Patent No.
US 12673637
App. No.
18/314,800
Granted
Jul 7, 2026
Kind
B2
Abstract

A universal smart key (USK) provides advanced proximity, location, distance or ranging capabilities and communicates with vehicles and smart phones to perform a set of vehicle-related operations and replicates OEM key and may include one or more of Bluetooth, BLE, UWB, NFC and other communications capabilities for determining location, proximity, range, distance of a user possessing the USK relative to vehicle location. A mobile (key) fob bridge (MFB) connected with vehicle communications and/or immobilizer control system and provides proximity, location, distance or ranging capabilities and communicates with vehicle and smart phones to perform a set of operations and may be located within a vehicle and communicate with smart key to provide a passive keyless entry system. The MFB may include Bluetooth, BLE, UWB, NFC and other communications capabilities for determining location, proximity, range, distance of a user possessing a smart key relative to the MFB device, and/or vehicle location(s).

Claims (60)

1 . A Bridge adapted to be disposed in a target vehicle and to be wirelessly paired with a hand-held smart device operated by a user for controlling a set of features associated with the target vehicle, the Bridge comprising:

a transceiver adapted to perform ranging operations in cooperation with the wirelessly-paired hand-held smart device;

a micro-controller adapted to handle BLE operations and communications with BLE-enabled functions of the wirelessly-paired hand-held smart device;

a USK module comprised of a communications interface configured to communicate with one or more vehicle communications systems, the USK module further configured to perform vehicle-specific operations in connection with the transceiver or the micro-controller BLE-enabled functions or both the transceiver and the micro-controller BLE-enabled functions;

one or more memory components configured to store data and/or instructions related to one or more of pairing, behavior selecting, behaviors, bootloading, or calibrating processes;

wherein the Bridge is configured to:

receive, via a mobile application running on the hand-held smart device, a pairing process for pairing the Bridge with the target vehicle;

receive, from the mobile application, one or both of a) data representing a make model and year (MMY) of the target vehicle, and b) a VIN (vehicle identification number) of the target vehicle;

communicatively couple the USK module with one or more of the vehicle communications systems based in part on the MMY or VIN data; and

based on user interaction with prompts presented on the mobile application, communicate with the vehicle communications system to send commands and respond to security access challenges.

2 . The Bridge of claim 1 wherein the transceiver is an ultrawide band (UWB) micro-controller-based transceiver.

3 . The Bridge of claim 1 wherein the set of features includes one or more of security feature, access feature, entry feature, trunk feature, door lock/unlock feature, engine start feature, alarm feature, light on/off feature, door open feature, operator recognition feature, convertible top feature, windows up/down feature, and operator approval feature.

4 . The Bridge of claim 1 further comprising a user-to-user communication feature to enable a remote user to communicate with an other user operating the hand-held smart device to enable control of the target vehicle via the Bridge.

5 . The Bridge of claim 1 further comprises a LF (low frequency) component adapted to communicate with the vehicle communications system, and wherein the USK module is configured to communicate with one or more vehicle communications systems, and wherein the one or more vehicle communications systems includes transponder, UHF or LF components including antennas and/or OBD interfaces.

6 . The Bridge of claim 1 further comprising a Near Field Communications (NFC) reader that has an associated NFC coil antenna adapted to read a trusted NFC tag, wherein the NFC reader is located within the target vehicle either integral with the Bridge or separate from the Bridge, and wherein the trusted tag is read by the NFC reader to allow access to the target vehicle.

7 . The Bridge of claim 1 wherein the USK module comprises a Bootloader Application stored in an internal memory.

8 . The Bridge of claim 1 further comprising an expansion port for adapting the Bridge to perform enhanced functions and/or to alter firmware or behavior data and/or instructions.

9 . The Bridge of claim 1 further wherein the USK module is configured to be removable from the Bridge for placing in a pairing pocket or other vehicle location for communicating with one or more of a vehicle system, a data link connector, or LF coils.

10 . A method of controlling a set of features associated with a target vehicle, the method comprising the steps of:

providing a Bridge disposed in a target vehicle;

wirelessly pairing the Bridge with a hand-held smart device and operated by a user for controlling the set of features associated with the target vehicle;

communicating, via a vehicle communications interface associated with the Bridge, with one or more vehicle communications systems;

performing, via a transceiver associated with the Bridge, ranging operations in cooperation with the wirelessly-paired hand-held smart device;

processing, by the Bridge, BLE operations and communications with BLE-enabled functions of the wirelessly-paired hand-held smart device;

performing, by the Bridge, vehicle-specific operations in connection with the transceiver or the BLE-enabled functions or both the transceiver and the BLE-enabled functions;

storing, by one or more memory components associated with the Bridge, data and/or instructions related to one or more of pairing, behavior selecting, behaviors, bootloading, or calibrating processes;

selecting, via a mobile application running on the hand-held smart device, a pairing process for pairing the Bridge with the target vehicle;

entering via the mobile application one or both of a) data representing a make model and year (MMY) of the target vehicle, and b) a VIN (vehicle identification number) of the target vehicle;

communicatively coupling the Bridge with a vehicle communications system based in part on the MMY or VIN data; and

following prompts presented on the mobile application to communicate with the vehicle communications system to send commands and respond to security access challenges.

11 . The method of claim 10 wherein the transceiver is an ultrawide band (UWB) micro-controller-based transceiver.

12 . The method of claim 10 wherein the set of features includes one or more of security feature, access feature, entry feature, trunk feature, door lock/unlock feature, engine start feature, alarm feature, light on/off feature, door open feature, convertible top feature, window open/close feature, operator recognition feature, and operator approval feature.

13 . The method of claim 10 further comprising establishing a user-to-user communication connecting a remote user with an other user operating the hand-held smart device in close proximity to the target vehicle to enable control via the Bridge.

14 . The method of claim 10 further comprising communicating via a LF (low frequency) component with the vehicle communications system, and wherein the vehicle communications interface is configured to communicate with one or more vehicle communications systems, and wherein the one or more vehicle communications systems includes UHF or LF components including antennas and/or OBD interfaces.

15 . The method of claim 10 further comprising providing a Near Field Communications (NFC) reader that has an associated NFC coil antenna adapted to read a trusted NFC tag, and reading by the NFC reader a trusted tag to allow access to the target vehicle, wherein the NFC reader is located within the target vehicle either integral with the Bridge or separate from the Bridge.

16 . The method of claim 10 further comprising operating the mobile application running on the hand-held smart device to wirelessly communicate with the Bridge and execute vehicle control features.

17 . The method of claim 10 further comprising providing an expansion port for adapting the Bridge to perform enhanced functions and/or to alter firmware or behavior data and/or instructions.

18 . The method of claim 10 further comprising providing a USK module to perform BLE operations and communications with BLE functions of the wirelessly-paired hand-held smart device, wherein the USK module is removable from the Bridge for disposing in a pairing pocket or other location for communicating with a vehicle system, e.g., data link connector, or via LF coils.

19 . The method of claim 10 further comprising at least one of the following steps: (a) operating, using the hand-held smart device, a “tap” function to perform vehicle control functions via the Bridge; and (b) providing an accelerometer disposed within the target vehicle and operatively connected to the Bridge, and causing the accelerometer to perceive a “knock” action by a user to perform a vehicle control function.

20 . A method of controlling a set of features associated with a target vehicle, the method comprising the steps of:

providing a Bridge disposed in the target vehicle;

wirelessly pairing the Bridge with a hand-held smart device and operated by a user for controlling a set of features associated with the target vehicle;

communicating, via a vehicle communications interface associated with the Bridge, with one or more vehicle communications systems;

performing, via a transceiver associated with the Bridge, ranging operations in cooperation with the wirelessly-paired hand-held smart device;

processing, by the Bridge, BLE operations and communications with BLE-enabled functions of the wirelessly-paired hand-held smart device;

performing, by the Bridge, vehicle-specific operations in connection with the transceiver or the BLE-enabled functions or both the transceiver and the BLE-enabled functions;

storing, by one or more memory components associated with the Bridge, data and/or instructions related to one or more of pairing, behavior selecting, behaviors, bootloading, or calibrating processes;

prompting, by mobile application operating on the hand-held smart device, a user to position the wirelessly-paired hand-held smart device to a set of defined locations in and around the target vehicle;

at each defined location, generating a signal representing location data and communicating the location data to the Bridge; and

generating, by an algorithm associated with the mobile application, a set of location vectors; and creating and storing a calibration profile for allowing the Bridge to locate the hand-held smart device in a three-dimensional space associated with the target vehicle.

21 . The method of claim 20 wherein a vehicle control function is performed based on a sensed location of the hand-held smart device and based on the calibration profile.

22 . The method of claim 10 , wherein communicating with the vehicle communications system to send commands and respond to security access challenges further comprises one from a group consisting of:

causing, via the mobile application, the phone to communicate with the Bridge over BLE to command the Bridge to send RF packets as required by target vehicle to complete pairing process;

positioning the Bridge at a defined location within the target vehicle to facilitate wireless communication with immobilizer system;

plugging in an adapter cable into Bridge to fit immobilizer reader coil adapter into a defined location in the target vehicle; and

placing the bridge or pairing component of the Bridge in or within a close proximity to a pairing or programming pocket or slot.

23 . The method of claim 10 , wherein communicatively coupling the Bridge with the vehicle communications system includes one from a group consisting of:

plugging in an OBD plug associated with the Bridge to an OBD port associated with the target vehicle;

placing a vehicle communications interface component of the Bridge into a pairing pocket of the target vehicle; and

placing the Bridge near a pairing coil associated with the target vehicle.