Boots – shoes – and leggings
Patent
1980-02-06
1982-03-23
Smith, Jerry
Boots, shoes, and leggings
303 95, 303109, G06F 1520, B60T 810
Patent
active
043216773
ABSTRACT:
The control circuit comprises a memory circuit and a calculation circuit. The control circuit derives wheel speed from a detector, and delivers a brake release signal and a braking signal to a hydraulic brake system of a vehicle after the occurrence of a skid. A memory circuit beforehand memorizes optimum control patterns shown by the function of time and vehicle velocity corresponding to slip rate between wheel and road surfaces. A calculation circuit determines a slip rate by referring to wheel speed, and selects an optimum control pattern corresponding to the calculated slip rate from the memory circuit. Then, the calculation circuit controls the hydraulic brake system in accordance with the selected optimum pattern. When the slip rate becomes 50% after the panic braking, the calculation circuit releases the oil pressure of the hydraulic brake system and, when the slip rate becomes 20% after the panic braking, the calculation circuit outputs the braking signal to the hyraulic brake system.
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patent: 3653727 (1972-04-01), Kullberg et al.
patent: 3807811 (1974-04-01), Nakamura et al.
patent: 3912337 (1975-10-01), Ochiai
patent: 3985396 (1976-10-01), Kuwana et al.
patent: 4006942 (1977-02-01), Saito
patent: 4094556 (1978-06-01), Okamoto et al.
patent: 4157850 (1979-06-01), Marouby
patent: 4184203 (1980-01-01), Skarvada
Shibata Takanori
Takahashi Jun-ichi
Hitachi , Ltd.
Smith Jerry
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