Method for entering a special mode of an electric device

Details Method for entering a special mode of an electric device Method for entering a special mode of an electric device

1998-02-02

2000-08-15

Crosland, Donnie L.

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 24, 341 25, 341182, H03K 1794, H03M 1100

Patent

active

061043184

ABSTRACT:
A method for entering a special mode of an electric device in which the special mode such as a test mode exists. According to the method, at least two coded keys are continuously inputted. From an initial key input, the coded keys are inputted in respectively predetermined amounts of time to enter the special mode. The special mode is not entered when: (1) only one of the coded keys is inputted; (2) the continuously inputted keys are not inputted in the respectively predetermined times; or (3) a combination of the continuously inputted keys is not the same with a combination of predetermined keys.

REFERENCES:
patent: 4357849 (1982-11-01), Ezawa et al.
patent: 4408191 (1983-10-01), Fowler, LII
patent: 4680572 (1987-07-01), Meguire et al.
patent: 5774051 (1998-06-01), Kostusiak

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