Automatic repertory telephone dialer with perforated strip number storage

Claim 1

An automatic telephone dialing device comprising, means including a conductive plate stationary in the device containing a multitude of parallel channels side by side for storing sets of signals along parallel adjacent lines, each set of signals being stored as a pattern of openings in a strip of insulator material which is removably placed in a channel and stationary therein, an electrical contact for detecting any selected one of the sets of stored signals on a strip by moving along the strip in close proximation thereto so that the contact touches the plate intermittently through the pattern of openings in the selected strip, a first track for the contact along which the contact is movable in a direction transverse to the channels, a second track for the first track along which the first track is movable in a direction parallel to the channels, and means for coupling the plate and electrical contact to a telephone line whereby signals are produced in the telephone line in a manner such that each set of signals produced in the telephone line is a train of electrical pulses including groups of pulses separated by intervals, the number of pulses in each group signifying a digit of a telephone number called.