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:
Jul. 10, 2018
Filed:
Sep. 04, 2015
Applicant:
Maxim Integrated Products, Inc., San Jose, CA (US);
Inventor:
Sang Hoon Kim, Glenview, IL (US);
Assignee:
Maxim Integrated Products, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 5/02 (2006.01); H04R 1/10 (2006.01); G10K 11/178 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1083 (2013.01); G10K 11/178 (2013.01); G10K 11/1788 (2013.01); G10K 2210/1081 (2013.01); G10K 2210/3031 (2013.01); H04R 1/1041 (2013.01); H04R 2201/107 (2013.01); H04R 2410/05 (2013.01); H04R 2420/09 (2013.01);
Abstract
A backward compatible system and method for using 4P audio jack in an electronic device to provide power and signal to headset with active noise cancellation (ANC) as well as accessories that require an external power are disclosed. The method involves automatically deciding at the electronic device accessory type after accessory insertion detected and choosing proper accessory communication mode based at least on the decided accessory type and accessory input signal. The accessory communication mode may be an accessory power mode or an accessory microphone mode.