5 patents
Utility
Audio Output as Half Duplex Biometric Detection Device
28 Oct 21
An improved method and apparatus for detecting and measuring one or more biometric parameters of a user using a computing device in conjunction with an electroacoustic (audio) transducer is described.
Dustin Dale Forman, Christian Leth Petersen, A. Martin Mallinson
Filed: 27 Apr 21
Utility
Method and Apparatus for Generating Output Frequency Locked to Input Frequency
28 Oct 21
A digitally controlled oscillator (DCO) that generates an output frequency clock signal without drift and can be rapidly locked to an input or reference clock is described.
A. Martin Mallinson
Filed: 27 Apr 21
Utility
Passive Balancing of Electroacoustic Transducers for Detection of External Sound
6 Jan 21
A system and method for passively balancing electroacoustic transducers so that sounds other than the transducer's output can be detected.
Christian Leth Petersen, Shawn William Scarlett, A. Martin Mallinson
Filed: 29 Jun 20
Utility
Determination of Effects of Physical Activity on Electrical Load Devices
26 Feb 20
An improved system and method for recognizing an audio signal due to physical activity and taking a predetermined action in response is disclosed.
A. Martin Mallinson, Robert Lynn Blair, Christian Leth Petersen, Paul Christopher Scowen
Filed: 2 Nov 19
Utility
Determination of Environmental Effects on Electrical Load Devices
13 Nov 19
An improved system and method for reducing the ambient noise experienced by a user listening to an earpiece without the use of a microphone is disclosed.
A. Martin Mallinson, Robert Lynn Blair, Christian Leth Petersen, Paul Christopher Scowen
Filed: 29 May 19
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