Horology: time measuring systems or devices – Controlled by a disparate device – Speed checker
Patent
1985-03-27
1987-03-03
Roskoski, Bernard
Horology: time measuring systems or devices
Controlled by a disparate device
Speed checker
368 8, G04F 800
Patent
active
046472169
ABSTRACT:
A device for measuring and displaying the time elapsed in increasing or in decreasing the speed of a vehicle from one predetermined velocity to another includes means for starting a clock at a predetermined, selectable speed, means for stopping the counter when a predetermined, higher or lower speed has been attained, means for displaying the time elapsed in increasing the predetermined starting speed to the predetermined, higher or lower ending speed, and means for resetting the clock counter.
REFERENCES:
patent: 3643158 (1972-02-01), Kroner et al.
patent: 3652011 (1972-03-01), West
Coyle Jan R.
Stevens Robert W.
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