Patent ID: 6970724

Claim:
A method for automatically disabling an audible alarm in a cell phone, comprising: providing a mobile radio frequency (RF) transmitter that can be unobtrusively mounted in a setting, said mobile RF transmitter having no RF receiver functionality; transmitting a non-audible control signal as a directional RF signal from said mobile RF transmitter; determining whether the cell phone has received the non-audible control signal; automatically disabling the audible alarm when the non-audible mode or control signal is received; automatically enabling a non-audible alarm to notify a user of an incoming call when the non-audible control signal is received; disabling the audible alarm and activating the non-audible alarm for a fixed, pre-determined amount of time after the cell phone receives the directional RF signal; and automatically reactivating the audible alarm and disabling the non-audible alarm after the fixed, pre-determined amount of time has elapsed.