US Patent No. 9,932,014

CELLULAR PHONE FOR REMOTELY CONTROLLING A FUNCTION OF A SECURITY DEVICE OF A MOTOR VEHICLE


Patent No. 9,932,014
Issue Date April 03, 2018
Title Cellular Phone For Remotely Controlling A Function Of A Security Device Of A Motor Vehicle
Inventorship
Assignee

Claim of US Patent No. 9,932,014

1. A cellular phone (10) for remotely controlling at least one function of a security device (12) of a vehicle (11), wherein the cellular phone (10) comprises a first transceiver unit (14), wherein a connection with a cellular network (16) can be established, characterized in thatthe cellular phone (10) comprises a second transceiver unit (18), wherein the second transceiver unit (18) comprises an LF module, wherein the LF module operates in an LF-frequency band with a frequency range of 30 kHz to 300 kHz, wherein the second transceiver unit (18) receives an LF-alarm which comprises a frequency of 125 kHz, wherein the second transceiver unit (18) receives the LF-alarm as a first radio signal (20), wherein the cellular phone (10) is turned into an active mode by the received first radio signal (20) and in the turned active mode a second radio signal (22) with an authorization code (21) can be sent for controlling the function of the security device (12) by the second transceiver unit (18), wherein the second transceiver unit (18) is located in an external module (24) having a first interface (26), wherein the cellular phone (10) comprises a second interface (28) that is compatible to the first interface (26), and wherein the external module (24) can be removably inserted into the cellular phone (10) such that the first interface is electrically connected with the second interface.