Self-calibrating radio

Telecommunications – Transmitter and receiver at same station – With frequency stabilization

Reexamination Certificate

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Details

C455S077000, C455S087000

Reexamination Certificate

active

10357241

ABSTRACT:
A self-calibrating radio is described. In one exemplary implementation, a radio signal from its local voltage controlled oscillator. The calibration system automatically calibrates the radio by: (i) receiving a reference signal having a calibrated reference frequency, (ii) comparing the local frequency to the reference frequency to determine whether there is a difference between the local frequency and the reference frequency and (iii) adjusting the local frequency by an offset frequency, if the difference between the local frequency and the reference frequency is greater than a threshold value.

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Written Opinion of the International Searching Authority (PCT Rule 43 bis.1)) Applicant's or agent's file reference 17961 PCT, International application No. PCT/US2004/002824; International filing dated Jan. 30, 2004, Priority dated Feb. 3, 2003, Date of Mailing Jul. 7, 2004.

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