Device for generating an alarm signal

Device for generating an alarm signal in the event of an environ

Device for generating plane beam/conical shape beam and...

Device for giving warning of conditions of danger for scuba divi

Device for indicating a destroyed arrester

Device for indicating a faulty condition of an electrical appara

Device for indicating a freezing temperature in a selected locat

Device for indicating an abnormal condition in an ultrasonic neb

Device for indicating hydroculture-related values

Device for indicating ice formation

Device for indicating multiple conditions

Device for indicating the charging state of a battery

Device for indicating the movement and/or position of a shutoff

Device for indicating unauthorized use of a vehicle

Device for interrupting the snoring of a sleeping person

Device for judging types of liquid in container and control...

Device for locating an individual fallen into the sea

Device for locating persons

Device for locating trapped victims and a method of...

Device for measuring and signaling the internal temperature of a