| Patent Number |
Title Of Patent |
Date Issued |
| 5926115 |
Airfield series circuit communications lighting system and method |
July 20, 1999 |
| A microprocessor-controlled airfield series lighting circuit communications system and method allows bi-directional communication between the controlling microprocessor and the airfield lamps. The bi-directional communications signals are formed by using a modulated radio-frequency s |
| 5469172 |
Calibration method and apparatus for receiving transponder reply signals |
November 21, 1995 |
| Calibration apparatus for an antenna/receiver system having, in combination, means for receiving one or more electromagnetic data encoded signals from a transmitter and producing in response to each data signal two signals having a phase relationship, the receiving means comprising an |
| 5387915 |
Method and apparatus for detecting and decoding transponder reply signals |
February 7, 1995 |
| Methods and apparatus for detecting and decoding transponder reply signals of the type having a plurality of associated time discrete pulses including two bracket pulses and a number of related data pulses that may have been transmitted at discrete data time intervals between the bracket |
