Logitech Europe S.a.

Alan Olson

Patrick Nicolet

Jeffrey S Anderson

Constantine Mouzakis

Sean Chiu

Jianhua Pan

Steven Ryutaro Takayama

Dominic C Amae

Branko Lukic

Donald Robert Mayette

Kevin J Kilpatrick

Gabriel Antonio Ulloa

Alexander Samuel Danielson

William Christopher Carmichael

A charging stand is provided including a body having a first surface, and a bump having a top region and one or more sides. The one or more sides extend between the first surface and the top region. The charging stand further includes one or more base contact pins that are coupled to the body. Each base contact pin has an exposed end disposed at a first distance in a first direction from the first surface. The charging stand further includes a bump contact pin extending from the top region of the bump. The bump contact pin has an exposed end disposed a second distance in the first direction from the first surface, the second distance is greater than the first distance, and the first direction is perpendicular to the first surface.

Device charging system

Embodiments of the disclosure may include a method and apparatus for improving the efficiency and extending the operation time between recharges or replacement batteries of a portable audio delivery system. The audio delivery system may include a processor, an audio processing device, a speaker, and a rechargeable power source. The audio delivery system is generally configured to generate and/or receive an audio input signal and efficiently deliver an amplified, high quality audio output signal to a user. In some embodiments of the disclosure, the audio processing device of the audio delivery system may include a switch mode power supply (SMPS), a signal delay element, an envelope detector, and a switching signal amplifier.

Audio system having an improved efficiency and extended operation time

Audio delivery system having an improved efficiency and extended operation time between recharges or battery replacements

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Vancouver, WA, United States of America

Alan Olson