Abstract: The present invention discloses an apparatus for monitoring persons, pets, things and the like including a monitored unit and a monitoring unit each having a transmitter and receiver. The monitored unit is adapted to transmit a periodic signal while the activities of the monitored object coincide with various threshold conditions. The monitored unit includes a plurality of indicators either visual or audio which inform the operator that the monitored unit has exceeded various threshold conditions. The monitoring unit includes a reset transmitter for actuating the monitored unit so that it produces either a continuous signal or a periodic signal. The monitoring unit further includes a homing mechanism automatically actuated upon receipt of either a continuous signal or an alarm signal by its receiver.
Type:
Grant
Filed:
May 6, 1987
Date of Patent:
October 11, 1988
Assignees:
Gordon S. Hirsch, Marilyn F. Hirsch
Inventors:
Gordon S. Hirsch, Marilyn F. Hirsch, Paul W. Hansen