Patent ID: 9363620
Filing Date: 2016-06-07
CPC Classification: H04R,H04S

Claim Text:
1. A system controlling audio frequencies of electronic appliances ( 300 ) in the absence of transforming circuits, in adapting in polarities to different audio frequency interfaces ( 1 ) of portable electronic devices including cell phones ( 100 ), tablets, internet media players, with the interfaces ( 1 ) including M, G, R and L in two standards: standard 1, characterized by the G laid out in between the M and the R, and standard 2, characterized by the M laid out in between the G and the R, the system, dispensing with the transforming circuits in adaptation on the polarities of the interfaces ( 1 ) by grounding one of four contacts I-IV of an audio plug ( 200 ), comprising: the plug ( the controller (