Patent ID: 7400133

Claim:
A method of operating a speech module ( 13 / 40 ) which module comprises a housing ( 2 ) which contains sensor input connector means ( 14 ) and signal output connector means ( 12 ); signal conditioning circuit ( 46 ); integral microprocessor ( 16 ); speech synthesizer circuit ( 16 ); loud speaker ( 18 ) or electro acoustic transducer ( 49 ); visual display ( 5 ) ( 50 ); electric power supply circuit ( 43 / 44 / 45 ); all of the above being connected to a signal sensing device ( 1 ) by the sensor input connector means ( 14 ), which method comprises the steps of (a) receiving radio signals from a sensor or transmitter and (b) converting said signals within said module into speech and (C) transmitting said signals to another device.