Traffic Alert Police Radar
First Claim
1. A system of warning the operator of a primary vehicle about the potential collision of a closing vehicle with the primary vehicle, the closing vehicle proceeding in the same direction as the primary vehicle, the system comprising:
- means for determining the pattern of speed variations of the primary vehicle during a predetermined time interval;
means for determining the state of the transmission of the primary vehicle during the predetermined time interval;
means for determining one or more parameters about the state of the movement of the closing vehicle; and
means for generating an alert to the operator of the primary vehicle when (1) the pattern corresponds to a predetermined pattern indicative of a particular driving maneuver, (2) the one or more parameters of the state of movement of the closing vehicle are at a predetermined status, and (3) another condition exists, wherein the particular driving maneuver includes a speed variation pattern indicative of a U-turn maneuver,wherein the predetermined status of one or more parameters of the state of movement of the closing vehicle includes a status selected from the group consisting of exceeding a maximum closing vehicle speed, exceeding a maximum difference in speed between the primary vehicle and the closing vehicle, failing to meet a minimum range from the primary vehicle to the closing vehicle, and failing to meet a minimum time to collision.
2 Assignments
0 Petitions
Accused Products
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.
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Citations
20 Claims
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1. A system of warning the operator of a primary vehicle about the potential collision of a closing vehicle with the primary vehicle, the closing vehicle proceeding in the same direction as the primary vehicle, the system comprising:
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means for determining the pattern of speed variations of the primary vehicle during a predetermined time interval; means for determining the state of the transmission of the primary vehicle during the predetermined time interval; means for determining one or more parameters about the state of the movement of the closing vehicle; and means for generating an alert to the operator of the primary vehicle when (1) the pattern corresponds to a predetermined pattern indicative of a particular driving maneuver, (2) the one or more parameters of the state of movement of the closing vehicle are at a predetermined status, and (3) another condition exists, wherein the particular driving maneuver includes a speed variation pattern indicative of a U-turn maneuver, wherein the predetermined status of one or more parameters of the state of movement of the closing vehicle includes a status selected from the group consisting of exceeding a maximum closing vehicle speed, exceeding a maximum difference in speed between the primary vehicle and the closing vehicle, failing to meet a minimum range from the primary vehicle to the closing vehicle, and failing to meet a minimum time to collision. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system of warning the operator of a primary vehicle about the potential collision of a closing vehicle with the primary vehicle, the closing vehicle proceeding in the same direction as the primary vehicle, the system comprising:
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a police Doppler direction sensing radar for determining one or more parameters about the state of the movement of the closing vehicle; a primary vehicle speed sensing component associated with the police Doppler direction sensing radar, the primary vehicle speed sensing component for determining the pattern of speed variations of the primary vehicle during a predetermined time interval; a controller associated with the police Doppler direction sensing radar, the controller for determining the state of the transmission of the primary vehicle during the predetermined time interval; and a user interface for generating an alert to the operator of the primary vehicle when (1) the pattern corresponds to a predetermined pattern indicative of a particular driving maneuver, (2) the one or more parameters of the state of movement of the closing vehicle are at a predetermined status, and (3) another condition exists, wherein the particular driving maneuver includes a speed variation pattern indicative of a U-turn maneuver, wherein the predetermined status of one or more parameters of the state of movement of the closing vehicle includes a status selected from the group consisting of exceeding a maximum closing vehicle speed, exceeding a maximum difference in speed between the primary vehicle and the closing vehicle, failing to meet a minimum range from the primary vehicle to the closing vehicle, and failing to meet a minimum time to collision. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A system of warning the operator of a primary vehicle about the potential collision of a closing vehicle with the primary vehicle, the closing vehicle proceeding in the same direction as the primary vehicle, the system comprising:
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a police Doppler direction sensing radar for determining one or more parameters about the state of the movement of the closing vehicle; a primary vehicle speed sensing component associated with the police Doppler direction sensing radar, the primary vehicle speed sensing component for determining the pattern of speed variations of the primary vehicle during a predetermined time interval; a controller associated with the police Doppler direction sensing radar, the controller for determining the state of the transmission of the primary vehicle during the predetermined time interval; and a user interface for generating an alert to the operator of the primary vehicle when (1) the pattern corresponds to a predetermined pattern indicative of a particular driving maneuver and (2) the one or more parameters of the state of movement of the closing vehicle are at a predetermined status, wherein the predetermined status of one or more parameters of the state of movement of the closing vehicle includes a status selected from the group consisting of exceeding a maximum closing vehicle speed, exceeding a maximum difference in speed between the primary vehicle and the closing vehicle, failing to meet a minimum range from the primary vehicle to the closing vehicle, and failing to meet a minimum time to collision.
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Specification