Emergency roadside telephone system
AssigneeTelcom, Inc.
InventorsLauren P. Tuttle, Paul H. Dluehosh
Life of this patent
Estimating the term…
Abstract
An emergency roadside telephone system includes a plurality of self-powered, emergency telephone terminals positioned at remote locations, such as along roadways, to permit communication with a central station in order to obtain emergency assistance. Each emergency telephone terminal has a transmitter and a receiver for communication with the central station, a handset for providing voice communication and a plurality of emergency switches carrying symbols representative of various types of emergency assistance required such that a caller can request emergency assistance either by voice communication with an operator at the central station or, if there is a language barrier, by actuating the emergency switches.
Claims8
An emergency telephone terminal for use in an emergency roadside telephone system to communicate with a central station comprising
- transmitter means and receiver means for communicating with the central station;
- a handset having a receiver and a transmitter and being movable between on-hook and off-hook positions;
- first circuit means for connecting said handset transmitter with said transmitter means and said handset receiver with said receiver means when said handset is in said off-hook position;
- a plurality of emergency switches symbolically marked with pictorial symbols to correspond to various emergency conditions and adapted to be manually actuated;
- and
- second circuit means responsive to said handset being in said off-hook position for coupling said emergency switches with said transmitter means whereby said emergency telephone terminal permits voice and emergency switch communications with said central station.
Dependencies are inferred from the claim text.