Low temperature or frost-protected mobile telephone, has temperature sensor and heater to maintain adequate temperature for proper operation

摘要

The mobile telephone comprises one or more heating elements, foils, or mini-heaters for its display and/or microchip, or the entire equipment in case that a preset temp. is not reached, or in case of frost. A temperature sensor or thermometer for ambient and/or inner temperature of the mobile telephone is preferably coupled to the heating element. Typically at least one cooling element is coupled to temp. sensor in case that a preset temp. is exceeded.