Card dialer

Claim 1

A CALL TRANSMITTER FOR A TELEPHONE SUBSTATION INCLUDING A SPEECH PATH AND MEANS FOR CONNECTING THE CALL TRANSMITTER AND THE SPEECH PATH ACROSS A TELEPHONE LINE CONNECTED TO A SOURCE OF ELECTRICAL POWER, THE CALL TRANSMITTER BEING RESPONSIVE TO A CODE BEARING MEMBER HAVING EACH DIGIT OF A NUMBER TO BE CALLED ENCODED THEREON, THE CALL TRANSMITTER COMPRISING A PLURALITY OF SWITCHES, SENSING MEANS FOR ACTUATING SELECTED ONES OF THE SWITCHES RESPONSIVE TO THE CODING ON THE CODE BEARING MEMBER, MEANS FOR PROVIDING RELATIVE MOVEMENT BETWEEN THE CODE BEARING MEMBER AND THE SENSING MEANS TO SEQUENTIALLY PRESENT EACH ENCODED DIGIT TO THE SENSING MEANS, MEANS UNDER THE CONTROL OF THE ACTUATED SWITCHES FOR GENERATING ELECTRICAL SIGNALS REPRESENTING THE DIGITS OF THE ENCODED TELEPHONE NUMBER, AND SWITCHING MEANS FOR DISABLING THE SPEECH PATH AND ENABLING THE SIGNAL GENERATING MEANS DURING THE SIGNALING OF EACH DIGIT, THE SIGNAL GENERATING MEANS BEING OPERATED SOLELY ON POWER RECEIVED FROM THE TELEPHONE LINE AND TRANSMITTING SIGNALS OUT ON THE TELEPHONE LINE.