Method for resetting a timer and a timer especially for use in c

Details Method for resetting a timer and a timer especially for use in c Method for resetting a timer and a timer especially for use in c

1997-02-07

1999-03-16

Jordan, Charles T.

Aeronautics and astronautics

Safety lowering devices

Parachutes

244150, F64D 1754

Patent

active

058819746

ABSTRACT:
A method for automatic resetting of a timer according to the exit time when an item starts descending from a flying object. The resetting is based on a number of altitude values, which are continuously measured by performing air pressure measurements or position measurements. Furthermore, a microprocessor based apparatus implementing said method is described. The timer can be used for activating an external mechanical or electrical apparatus e.g. a canopy or an audible warning device.

REFERENCES:
patent: 2525608 (1950-10-01), Kuntz
patent: 3547383 (1970-12-01), Carpenter
patent: 3690605 (1972-09-01), Jones
patent: 3787011 (1974-01-01), Phillips et al.
patent: 3813066 (1974-05-01), Raznov
patent: 4783027 (1988-11-01), Jones
patent: 4858456 (1989-08-01), Cloth

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