Velocity-measuring device

Details Velocity-measuring device Velocity-measuring device

1988-09-09

1990-03-27

Woodiel, Donald O.

Measuring and testing

Navigation

Ship's log

364443, G01C 2110

Patent

active

049110055

ABSTRACT:
A combination of a movable structure (adapted to ride on or over a surface while supporting or carrying at least one person) and a velocity-measuring device which includes means responsive to air flow develop an electrical signal representative of current velocity of the movable structure. A voice synthesizing means, responsive to the electrical signal representation of current velocity, provides periodic voice synthesized audible outputs indicative of current velocity of the movable structure. The movable structure may be a snow ski, a water ski or a skateboard, as well as a number of other sport participating implements, such as a bicycle, an ice boat and the like.

REFERENCES:
patent: 439442 (1890-10-01), Thorne et al.
patent: 3175152 (1965-03-01), Shafer
patent: 3433065 (1969-03-01), Mergler
patent: 3505878 (1970-04-01), Moll
patent: 3978725 (1976-09-01), Hadtke
patent: 4071892 (1978-01-01), Genzling
patent: 4111444 (1978-09-01), Clements, Jr.
patent: 4136562 (1979-01-01), Crooker
patent: 4389537 (1983-06-01), Tsunoda et al.
patent: 4546650 (1985-10-01), Cameron
patent: 4638448 (1987-01-01), Cuvelier et al.

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