Traffic alert police radar
US7409294B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2003 |
| Grant date | Aug 5, 2008 |
| Priority date | — |
| Expiry date | Apr 14, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2013/93272
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An enhanced police Doppler direction sensing radar detects possibly dangerous traffic conditions during certain vehicle maneuvers such as U-turns and returns to travel after roadside stops. By monitoring a host or primary vehicle speed, speed transitions, transmission state (e.g. gear selection), and the closing vehicle position, range and speed, a number of selectable conditions are detected, resulting in an alert indication to a primary vehicle operator. User preferences and thresholds allow the traffic alert function to be customized according to a primary vehicle operator's desire to suppress alerts in situations which the user does not deem dangerous. The traffic alert function may be automatically triggered under certain detected conditions, or manually initiated when the primary vehicle operator intends to make a driving maneuver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.