US Patent No. 10,602,548

SYSTEM AND METHOD FOR GESTURE SENSING


Patent No. 10,602,548
Issue Date March 24, 2020
Title System And Method For Gesture Sensing
Inventorship Saverio Trotta, Munich (DE)
Reinhard-Wolfgang Jungmaier, Aying (DE)
Achim Dallmann, Baldham (DE)
Assignee INFINEON TECHNOLOGIES AG, Neubiberg (DE)

Claim of US Patent No. 10,602,548

23. A sensor system comprising:a gesture sensor device comprising:
a random number generator configured to produce a predefined numeric sequence;
a first-in-first-out (FIFO) memory coupled to the random number generator, the FIFO memory being configured to store a predetermined quantity of repetitions of the predefined numeric sequence; and
a first digital interface coupled to the FIFO memory, the first digital interface being configured to transmit the repetitions of the predefined numeric sequence stored in the FIFO memory; and
a verification circuit comprising:
a second digital interface coupled to the first digital interface of the gesture sensor device, the second digital interface configured to receive the repetitions of the predefined numeric sequence;
a second memory configured to store the repetitions of the predefined numeric sequence received by the second digital interface;
non-volatile storage configured to store a copy of the predefined numeric sequence;
a digital signal processor configured to correlate the copy of the predefined numeric sequence stored in the second memory with the repetitions of the predefined numeric sequence stored in the non-volatile storage;
a general purpose processor configured to adjust a parameter of the second digital interface in response to the copy of the predefined numeric sequence not correlating with the repetitions of the predefined numeric sequence; and
a bus interconnecting the second digital interface, the second memory, the non-volatile storage, the digital signal processor, and the general purpose processor.