Patent ID: RE43001

Claim:
A wireless communication medium comprising: an antenna which transmits and receives a signal to and from an external apparatus; an analog signal processor which converts an analog signal received via the antenna to a digital signal, and converts a digital signal to be transmitted to the external apparatus to an analog signal and transmits the analog signal to the antenna; a digital signal processor which receives the digital signal from the analog signal processor, demodulates the digital signal, detects data and signals informing the start and end of data, and generates a first control signal for determining whether data is transmitted to the external apparatus and a second control signal for perceiving the end of data, blocking the reception of data from the external apparatus after a predetermined period of time, modulating data, and determining whether modulated data is transmitted to the external apparatus; and a central processing unit & logic module which includes a storage device and logic circuits that process data received from and transmitted to the external apparatus.