United States Patent
US Patent 5666120: Detector apparatus
US 5666120 · granted 1997-09-09
| Patent Number | 5666120 |
|---|---|
| Title | Detector apparatus |
| Filed | 1994-05-12 |
| Granted | 1997-09-09 |
| Inventor(s) | Chris R. Kline, Bruce A. Ricker, Hans A. Kvinlaug, Craig R. Autio, Subhash C. Sakar, Leonard J. Umina |
| Assignee | Whistler Acquisition Corp |
| CPC Classification | G01S7/00, G01S15/00, G01S13/00 |
| Number of Claims | 3 |
Abstract
Apparatus for detecting the presence of a speed detection system includes a microcontroller, a laser detector circuit coupled to the microcontroller, a radar detector circuit coupled to the microcontroller and a display coupled to the microcontroller, wherein the microcontroller receives signals from the laser detector and radar detector circuits and in response to the signals fed thereto, the microcontroller provides an output signal indicating which of the laser and radar detector circuits fed a signal thereto.
Claims Summary
1. A method of operating a radar detector having a swept VCO to detect the presence of a receiver circuit, the method including the steps of:stopping the sweep of the VCO at a predetermined time;