Keyboard encoding system actuated by opening and closing of keyb

Details Keyboard encoding system actuated by opening and closing of keyb Keyboard encoding system actuated by opening and closing of keyb

1997-03-17

1998-11-03

Horabik, Michael

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341176, 345169, 348734, 359142, H03K 1794, H03M 1100

Patent

active

058315551

ABSTRACT:
A cover-actuated keyboard encoding system is disclosed which can be used either alone or as a part of a universal remote control unit. It contains (a) a keyboard; (b) a memory for storing a plurality of control codes; (c) a special keyboard cover for covering the first keyboard; and (d) a computer program to convert the covered keys of the first keyboard into a control code. The keyboard cover is designed such that it contains one or more key-seat protrusions which are arranged such that they will be pressing against one or more of the first keys when the keyboard cover is closed. A CPU is programmed to scan the key board and convert the scanned keyboard value to a control code, in accordance with the number and locations of the keys that are being pressed during a power-on or a reset. This control code can be utilized as an initial code for identifying the brand and product type of the appliance to controlled by the universal remote control unit, thus allowing the universal remote control unit to operate as a conventional remote controller. The CPU can be further programmed to modify at least a portion of the initial control code if it detects that a universal key is pressed.

REFERENCES:
patent: 4482947 (1984-11-01), Zato et al.
patent: 4745397 (1988-05-01), Largerbauer et al.
patent: 5039846 (1991-08-01), Komaki
patent: 5063484 (1991-11-01), Tanaka
patent: 5181024 (1993-01-01), Tsunoda et al.
patent: 5297205 (1994-03-01), Audeert et al.
patent: 5436625 (1995-07-01), Kudo

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