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:
Sep. 10, 2019
Filed:
Oct. 09, 2017
Applicant:
Pismo Labs Technology Limited, Hong Kong, HK;
Inventors:
Ming Pui Chong, Hong Kong, HK;
Chi Kwong So, Hong Kong, HK;
Assignee:
PISMO LAB TECHNOLOGY LIMITED, Hong Kong, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/26 (2006.01); H02J 1/00 (2006.01); G06F 1/3212 (2019.01); H02M 3/04 (2006.01); H02J 1/10 (2006.01); G06F 1/3234 (2019.01); G06F 1/324 (2019.01); G06F 1/3206 (2019.01);
U.S. Cl.
CPC ...
H02J 1/00 (2013.01); G06F 1/263 (2013.01); G06F 1/3212 (2013.01); H02J 1/108 (2013.01); H02M 3/04 (2013.01); G06F 1/324 (2013.01); G06F 1/3206 (2013.01); G06F 1/3265 (2013.01); Y02B 70/12 (2013.01);
Abstract
The present invention discloses an apparatus and a method for using a plurality of external USB power sources. The electronic apparatus comprises a plurality of USB jacks, a plurality of first diodes, at least one external power source jack, a second diode and a first voltage converter, a processing unit, a main memory, a network interface, at least one SIM card slot, a RF transceiver and a secondary storage. Further when voltage supplied via one or more of the external USB power sources is below a first reference voltage, a first action is performed.