Absolute acceleration sensor for use within moving vehicles
First Claim
1. A system for a moving vehicle comprising:
- a. a vehicle speed sensor configured for detecting a speed of the vehicle;
b. a range finder to calculate a distance between the vehicle and an object; and
c. a control device coupled to the vehicle speed sensor and the rangefinder, wherein the vehicle speed sensor sends a signal to control device based on the speed of the vehicle and the range finder sends a signal to the control device corresponding to the vehicles distance from the object and based upon the speed of the vehicle and the distance from the object, the control device determines whether the vehicle is a safe distance from the object, wherein the safe distance is determined according to a constant value defined according to the speed of the vehicle and the distance between the vehicle and the object.
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Accused Products
Abstract
A communication system comprises a pointable range finder to calculate a distance between the vehicle and an object, a recorder for recording a status of the vehicle and a control device. The range finder sends a signal to the control device corresponding to the vehicle'"'"'s distance from the object and the control device operates the recorder in a manner dependent upon the signal from the range finder. The recorder is able to record the event if the vehicle is an unsafe distance from the object. The unsafe distance is able to be a programmed distance. In some embodiments, the unsafe distance increases with an increase in speed of the vehicle. In some embodiments, the unsafe distance is determined by a programmable constant. In these embodiments, the unsafe distance is determined according to a speed of the vehicle, the vehicle'"'"'s distance from an object and a pre-defined safe zone threshold value.
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Citations
27 Claims
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1. A system for a moving vehicle comprising:
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a. a vehicle speed sensor configured for detecting a speed of the vehicle; b. a range finder to calculate a distance between the vehicle and an object; and c. a control device coupled to the vehicle speed sensor and the rangefinder, wherein the vehicle speed sensor sends a signal to control device based on the speed of the vehicle and the range finder sends a signal to the control device corresponding to the vehicles distance from the object and based upon the speed of the vehicle and the distance from the object, the control device determines whether the vehicle is a safe distance from the object, wherein the safe distance is determined according to a constant value defined according to the speed of the vehicle and the distance between the vehicle and the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 25, 26, 27)
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12. A method of determining a safe distance of a vehicle from an object comprising:
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a. determining a speed of the vehicle; b. calculating a distance between the vehicle and an object; and c. based upon the speed of the vehicle and the distance from the object, determining determines whether the vehicle is a safe distance from the object, wherein the safe distance is determined according to a constant value defined according to the speed of the vehicle and the distance between the vehicle and the object. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A system for a moving vehicle comprising:
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a. a vehicle speed sensor configured for detecting a speed of the vehicle; b. a range finder to calculate a distance between the vehicle and an object; c. a control device coupled to the vehicle speed sensor and the rangefinder, wherein the vehicle speed sensor sends a signal to control device based on the speed of the vehicle and the range finder sends a signal to the control device corresponding to the vehicles distance from the object and based upon the speed of the vehicle and the distance from the object, the control device determines whether the vehicle is a safe distance from the object, wherein the safe distance is determined according to a constant value defined according to the speed of the vehicle and the distance between the vehicle and the object; and d. a speed control system coupled to the control device, wherein the control device operates the speed control system in a manner dependent upon the distance between the vehicle and the object. - View Dependent Claims (23, 24)
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Specification