System for activation of a keyboard lock

Details System for activation of a keyboard lock System for activation of a keyboard lock

1996-08-29

1998-09-08

Hofsass, Jeffrey

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

34082531, 3408255, 34082556, 379188, H04Q 700

Patent

active

058050841

ABSTRACT:
The invention relates to a method whereby a communication apparatus, advantageously a portable telephone, is set in a keyboard lock mode (130). The communication apparatus comprises a call terminating key, which is used according to the invention so that a short depression thereof only terminates the call (110), but a press-and-hold function, or pressing the key twice in succession or first pressing and then waiting for a given delay (120) sets the apparatus in the keyboard lock mode (130). The invention also relates to a communication apparatus for applying the said method.

REFERENCES:
patent: 4099033 (1978-07-01), Murray
patent: 4670747 (1987-06-01), Boras
patent: 4724537 (1988-02-01), Monet
patent: 4843385 (1989-06-01), Boras
patent: 4914732 (1990-04-01), Henderson
patent: 5266949 (1993-11-01), Rossi
patent: 5408060 (1995-04-01), Muurinen

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