Fluid-pressure and analogous brake systems – Speed-controlled – Odd condition or device detection
Patent
1997-03-05
1999-08-03
Oberleitner, Robert
Fluid-pressure and analogous brake systems
Speed-controlled
Odd condition or device detection
303 3, B60T 832
Patent
active
059315474
ABSTRACT:
A new Anti-Collision System for providing an audible warning to a vehicle operator indicating that the collision time to an obstacle located ahead of the vehicle is less than a pre-determined warning time and for providing a braking pressure to the vehicle's hydraulic fluid braking system upon the condition that the collision time is less than a pre-determined danger time and that the vehicle brake pressure is under a pre-determined brake pressure limit. The inventive device includes a laser rangefinder mountable upon a front side of the vehicle for generating a first electronic signal, a digital speedometer for generating a second electronic signal, a microcontroller for processing the first electronic signal to determine the distance between the vehicle and an obstacle located in front of the vehicle and for processing the second electronic signal to determine the self-speed of the vehicle, an audible alarm functionally connected to the microcontroller for producing an alarm upon the receipt of an alarm signal from the microcontroller and a braking system including a solenoid driven, spring biased piston disposed within a sealed hydraulic fluid reservoir functionally connected to the controller for applying a braking force to the vehicle upon the receipt of a braking signal from the microcontroller.
REFERENCES:
patent: 3898913 (1975-08-01), Hendrickson et al.
patent: 4428620 (1984-01-01), Warwick et al.
patent: 4941553 (1990-07-01), Harrison
patent: 5314037 (1994-05-01), Shaw et al.
patent: 5388048 (1995-02-01), Yavnayi et al.
patent: 5447363 (1995-09-01), Fukamachi
Oberleitner Robert
Torres Melanie
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