http://www.freshpatents.com/Demodulators-dtnewntc329.php USPTO Class 329 - Demodulators en-us Thu, 24 Jul 2008 15:01:37 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Demodulator-chip-and-method-for-digital-demodulating-an-fsk-signal-dt20080717ptan20080169872.php Thu, 24 Jul 2008 15:01:37 -0700 A demodulator, chip and method for digitally demodulating an FSK signal utilizing a digital data transfer protocol and a digital demodulator circuit have been developed. The data-rate approaches the carrier-frequency. The one application for this technique is in the magnetically powered wireless systems such as biomedical implants and radio frequency... http://www.freshpatents.com/High-frequency-signal-detection-circuit-dt20080717ptan20080169873.php Thu, 24 Jul 2008 15:01:37 -0700 A high frequency signal detection circuit includes an input terminal for a high frequency signal to be detected, a switch transferring the high frequency signal as intermittent ringing signal to a first node in response to a pulse signal whose frequency is lower than that of the high frequency signal,...