Boots – shoes – and leggings
Patent
1976-07-23
1977-11-08
Ruggiero, Joseph F.
Boots, shoes, and leggings
73490, 180105E, 340104, 364561, B60Q 100, G06G 778
Patent
active
040577120
ABSTRACT:
A method and apparatus for displaying the brake stopping distance of a running vehicle by computing and displaying in a very short period of time the brake stopping distance of the running vehicle in response to its running speed and the surface conditions of the road. The displayed brake stopping distance varies by quickly responding to changes in the running speed of the vehicle and the surface conditions of the road. The brake stopping distance displaying apparatus comprises a vehicle speed detecting circuit for generating a signal corresponding to the running speed of the vehicle, a setting circuit for generating a signal corresponding to the friction coefficient of the road on which the vehicle runs, a computing circuit responsive to the two signals to generate a signal proportional to the square of the running speed and inversely proportional to the friction coefficient, and a display circuit for displaying the result of the computation in the computing circuit.
REFERENCES:
patent: 3469234 (1969-09-01), Greacen
patent: 3841427 (1974-10-01), Di Vita
patent: 3850041 (1974-11-01), Seaman
patent: 3868629 (1975-02-01), Caine
patent: 3949362 (1976-04-01), Doyle et al.
Kuno Akira
Sakakibara Yasuyuki
Nippon Soken Inc.
Ruggiero Joseph F.
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