×

Transceiver

  • US 6,108,525 A
  • Filed: 08/04/1998
  • Issued: 08/22/2000
  • Est. Priority Date: 08/06/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A transceiver comprising:

  • a means for modulating predetermined data to obtain a received signal at a predetermined received frequency;

    a local oscillator for producing a local oscillator frequency signal;

    a means for producing an intermediate frequency signals by mixing said local oscillator frequency signal and said received signal;

    a band pass filter for limiting a bandwidth of said immediate frequency signal;

    a means for obtaining received data by demodulating said immediate frequency the bandwidth of which has been limited;

    a measuring device for measuring receiving sensitivity by comparing said received data with said predetermined data; and

    a frequency correction determinator for correcting a frequency of said local oscillator frequency signal and for setting said corrected frequency as a new frequency of said local oscillator frequency signal when a desired measuring result is obtained in said measuring device.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×