US 11,814,009 B2
Anti-theft vehicle immobilizer using batteries
Kang G. Shin, Ann Arbor, MI (US); and Liang He, Denver, CO (US)
Assigned to THE REGENTS OF THE UNIVERSITY OF MICHIGAN, Ann Arbor, MI (US); and THE UNIVERSITY OF COLORADO, Denver, CO (US)
Filed by THE REGENTS OF THE UNIVERSITY OF MICHIGAN, Ann Arbor, MI (US); and THE REGENTS OF THE UNIVERSITY OF COLORADO, Denver, CO (US)
Filed on Mar. 24, 2022, as Appl. No. 17/703,346.
Claims priority of provisional application 63/165,790, filed on Mar. 25, 2021.
Prior Publication US 2022/0371547 A1, Nov. 24, 2022
Int. Cl. B60R 25/23 (2013.01); B60R 25/04 (2013.01); B60R 25/10 (2013.01); F02N 11/08 (2006.01)
CPC B60R 25/23 (2013.01) [B60R 25/04 (2013.01); B60R 25/1001 (2013.01); F02N 11/087 (2013.01); F02N 11/0862 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A driving authentication system for a vehicle, comprising:
a dongle interfaced with a battery of the vehicle and operates to modulate discharge current from the battery with an input code;
a data store storing one or more authentication codes for the vehicle; and
an authenticator configured to receive a discharge current from the battery and operates to demodulate the input code from the discharge current, wherein the authenticator compares the input code to the one or more authentication codes and, in response to the input code matching one of the one or more authentication codes, controls power capacity of the battery.