Elliptic Laboratories ASA (20250076495). COVER DETECTION
COVER DETECTION
Organization Name
Inventor(s)
Espen Klovning of Strømmen (NO)
Tom Øystein Kavli of Oslo (NO)
COVER DETECTION
This abstract first appeared for US patent application 20250076495 titled 'COVER DETECTION
Original Abstract Submitted
the present invention relates to a device and method for detecting a cover over at least part of an electronic device. the device comprising at least one audio transducer adapted to transmit and receive an acoustic signal. the method includes the steps of: ⋅—defining at least one characteristic of an interrogation signal; ⋅—transmitting, using at least one of said transducers, the interrogation signal within a predetermined frequency range, having the at least one characteristic; ⋅—receiving, in at least one audio transducer, a signal, ⋅—analyzing the characteristics of the received signal and the characteristics of the transmitted signal and detecting a selected number of differences between them, ⋅—comparing the differences between the transmitted signal and the received signal with a predetermined set of differences related to an object covering at least one of the transducers in the device.