Portable receiver including transducer for notifying user of messages received in a remote mobile communications device

A method of alerting a user of a mobile communications device of an incoming call, comprising the steps of:

• receiving a coded radiofrequency signal in a remote alert receiver, said remote alert receiver having a first preselected identification code;
• decoding said received coded radiofrequency signal in said remote alert receiver;
• and,
• activating a transducer in said remote alert receiver to alert said user when said decoded radiofrequency signal includes said first preselected identification code, said radiofrequency signal including said first preselected identification code when said coded radiofrequency signal is generated from said mobile communications device upon receipt of said incoming call in said mobile communications device.

A system for alerting mobile communications device user of an incoming call comprising:

• a transmitter including:
• a microprocessor for providing a data signal including a first preselected identification code;
• a first switch connected to receive said data signal including said first preselected identification code, said data signal closing said first switch when said data signal has a first value;
• a voltage-controlled oscillator connected to said first switch, wherein when said first switch is closed, said voltage-controlled oscillator modulates said data signal including said first preselected identification code to provide a coded radiofrequency signal;
• transmitting antenna means in said for transmitting said coded radiofrequency signal;
• and,
• a remote alert receiver including:
• an envelope detector for demodulating said coded radiofrequency signal to provide said first preselected identification code;
• a low pass filter connected to receive said demodulated signal and to provide a filtered signal including said first preselected identification code;
• an analog-to-digital converter for converting said filtered signal into a digital signal including said first preselected identification code;
• a logic unit for comparing said first preselected identification code with a second preselected identification code stored in said logic unit;
• an alert transducer;
• and,
• a second switch connected to activate said alert transducer when said first preselected identification code matches said second preselected identification code.

A remote receiving apparatus for alerting a mobile communications device user of an incoming call, comprising:

• receiving means for receiving from said mobile communications device, a coded radiofrequency signal including a first preselected identification code, said mobile communications device transmitting said coded radiofrequency signal upon receipt of said incoming call in said mobile communications device;
• detecting means for demodulating said received coded radiofrequency signal in order to reproduce said first preselected identification code;
• logic means for determining whether said first preselected identification code matches a second preselected identification code stored in said logic means;
• alerting means including a transducer to alert said user when said logic means determines that said first preselected identification code matches said second preselected identification code.

A remote receiving apparatus for alerting a mobile communications device user of an incoming call, comprising:

• a receiving antenna for receiving from said mobile communications device, a coded radiofrequency signal including a first preselected identification code, said mobile communications device transmitting said coded radiofrequency signal upon receipt of said incoming call in said mobile communications device;
• detecting means for demodulating said received coded radiofrequency signal in order to reproduce said first preselected identification code;
• a memory for storing a second preselected identification code;
• a logic unit for determining whether said first preselected identification code matches said second preselected identification code stored in said memory;
• alerting means to alert said user when said logic means determines that said first preselected identification code matches said second preselected identification code.