| Patent Number |
Title Of Patent |
Date Issued |
| 7559477 |
Low voltage signal stripping circuit for an RFID reader |
July 14, 2009 |
| A reader of an RFID system has excitation circuitry for generating a higher voltage excitation signal, receiving circuitry for reading a lower voltage transponder signal and an antenna coupled with the excitation circuitry for transmitting the excitation signal and coupled with the r |
| 7124942 |
Low voltage signal stripping circuit for an RFID reader |
October 24, 2006 |
| A reader of an RFID system has excitation circuitry for generating a higher voltage excitation signal, receiving circuitry for reading a lower voltage transponder signal and an antenna coupled with the excitation circuitry for transmitting the excitation signal and coupled with the r |
| 4270547 |
Vital signs monitoring system |
June 2, 1981 |
| A system is disclosed for monitoring vital physiological signs. Each of the system components utilizes a single hybrid circuit with each component having high accuracy without the necessity of repeated calibration. The system also has low power requirements, provides a digital display, a |
| 4145122 |
Method and apparatus for monitoring the position of the eye |
March 20, 1979 |
| This invention relates to an apparatus for monitoring the position of the eye and generating an electrical signal based upon its displacement from a neutral position, such apparatus being characterized by a pair of eyeglasses modified to provide an infrared mirror on the inside surface o |
