The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
May. 22, 2018
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Hamid-reza Shayesteh-Pour, Woodinville, WA (US);
Arto Ylikoski, Redmond, WA (US);
Jason Lin, Redmond, WA (US);
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Abstract
A portable electronic accessory is adapted to initiate an operational mode change in a portable electronic accessory responsive to a user-initiated instruction received along a standard power line. The portable electronic accessory includes a rechargeable battery, electrical leads adapted to couple with a charging source to charge the rechargeable battery, and a polarity detection circuit configured to detect a power polarity switch of the electrical leads when the portable electronic accessory is coupled to the charging source. The portable electronic accessory further includes a controller that initiates a device mode change responsive to the power polarity switch detected by the polarity detection circuit.