Keyless access and engine control system

Details Keyless access and engine control system Keyless access and engine control system

1986-08-18

1989-02-28

Lall, Parshotam S.

Boots, shoes, and leggings

340 64, 34082531, 361171, H04Q 900, G08B 1900

Patent

active

048091995

ABSTRACT:
A keyless marine access and engine control system. The system is caused to change from a dormant state to an enabled state when a sequence of actuation signals entered through a keypad matches data representing either one of two access sequences stored in the system's memory. When the system is in its enabled state, the system responds only to signals representing a keypad actuation exceeding a first predetermined time interval. These signals are used to crank, choke, and stop a marine vehicle engine. The secondary access sequence can be changed by a person who knows either the primary access sequence or the secondary access sequence, while the primary access sequence can be changed only by a person having knowledge of the present primary access sequence. In order to reprogram either access sequence, a programming button must be actuated for a predetermined time interval exceeding the first time interval. The system can be used with either a single or dual engine installation.

REFERENCES:
patent: 3886535 (1975-05-01), Cirincione
patent: 4438752 (1984-03-01), Cheung
patent: 4463340 (1984-07-01), Adkins et al.
patent: 4477874 (1984-08-01), Ikuta et al.
patent: 4492959 (1985-01-01), Mochida et al.
patent: 4532507 (1985-07-01), Edson et al.
patent: 4677284 (1987-06-01), Genest
patent: 4688036 (1987-08-01), Hivano et al.

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