Patent ID: 8175629
Filing Date: 2012-05-08
Classification: H04B

Abstract:
1. An apparatus comprising: a push-to-talk (PTT) switch having a center position, operable to a first non-center position from the center position to couple a common contact of the PTT switch to a first contact of the PTT switch, and operable to a second non-center position from the center position to couple a common contact of the PTT switch to a second contact of the PTT switch, wherein the common contact is coupled to a voltage level and wherein the PTT switch operates as a momentary switch when operated to the first and second non-center positions with a biasing towards the center position; a first connector to enable the coupling of a first audio device to the apparatus, having a first PTT contact coupled to the first contact of the PTT switch; a second connector to enable the coupling of a second audio device to the apparatus, having a second PTT contact coupled to the second contact of the PTT switch; a PTT circuit coupled to the first and second contacts of the PTT switch, and structured to: