Apparatus and methods for determining loft time and speed

Details Apparatus and methods for determining loft time and speed Apparatus and methods for determining loft time and speed

1994-11-21

1997-06-03

Voeltz, Emanuel T.

Boots, shoes, and leggings

364565, 368 10, G04F 1000

Patent

active

056361467

ABSTRACT:
The invention detects the loft time and/or speed of a vehicle, such as a sporting vehicle, during activities of moving and jumping. A loft sensor detects when the vehicle leaves the ground and when the vehicle returns to the ground. A microprocessor subsystem converts the sensed information to determine a loft time. A display shows the recorded loft time to a user of the system. In addition, a speed sensor can detect the vehicle's speed for selective display to the user. The invention can be used, for example, in sporting activities such as snowboarding where users loft into the air on ski jumps and catch "air" time but have no quantitative measure of the actual time lapse in the air. Therefore, users in skiing can use invention to record, store, and playback selected information relating to their sporting day, including the total amount of "air" time for the day and information such as dead time, i.e., time not spent on the slopes.

REFERENCES:
patent: 3978725 (1976-09-01), Hadtke
patent: 4089057 (1978-05-01), Eriksson
patent: 4371945 (1983-02-01), Karr et al.
patent: 4722222 (1988-02-01), Purdy et al.
patent: 4757714 (1988-07-01), Purdy et al.
patent: 5295085 (1994-03-01), Hoffacker
patent: 5343445 (1994-08-01), Cherdak
patent: 5452269 (1995-09-01), Cherdak

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