Wireless transmitter/receiver circuit system with floating frequency tracing function for a wireless audio equipment

Abstract

A wireless transmitter/receiver circuit system having a transmitter circuit and a receiver circuit, that enable a wireless headphone or speaker system to automatically trace floating frequency upon receiving of a transmitting signal, so as to achieve a quality receiving. The transmitter circuit includes a pilot oscillator and a 32K˜1 MHz selector, that are controlled to encrypt transmitting signal, enabling transmitting signal to be accurately received by the receiver circuit. The receiver circuit has a concealed receiving antenna installed in a metal shell for direct coupling by air, a pilot select, a digital logic and a scan driver for automatically scanning signal transmitted from the transmitter circuit, enabling transmitted signal from the transmitter circuit to be accurately provided to the headphone or speaker system.

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