H - Electricity – 04 – B
Patent
H - Electricity
04
B
340/175, 325/30
H04B 1/034 (2006.01) H04M 1/02 (2006.01) H04M 1/673 (2006.01) H04M 1/725 (2006.01)
Patent
CA 2037465
A portable radio telephone has a keypad including a plurality of externally accessible keys. The keys can be disabled (i.e. the keypad can be locked) to prevent accidental actuation thereof by performing a predetermined order of keystrokes using two of the keys which ordinarily have an alternative function associated therewith. Thus, for example, depression of the # key followed by the ON/OFF key temporarily enables the keyboard lock. The lock can be disabled simply by repeating the same keystrokes.
Nokia Mobile Phones (u.k.) Limited
Sim & Mcburney
LandOfFree
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