Telephone adapter

Claim 1

A COMMUNICATION SYSTEM COMPRISING, A REMOTE RADIO TRANSMITTER-RECEIVER SYSTEM, AN INTERMEDIATE RADIO TRANSMITTER-RECEIVER SYSTEM, A TELEPHONE NETWORK INCLUDING A PLURALITY OF TELEPHONE SUBSTATIONS WHEREIN THE TELEPHONE SUBSTATIONS HAVE HANDSET MEANS AND AUDIO TRANSDUCERS THEREIN FOR SOUND SENSING AND PRODUCTION, A BELL RINGING MEANS AT EACH OF SAID SUBSTATIONS, AND CRADLE SWITCH MEANS IN ONE OF SAID SUBSTATIONS, SAID CRADLE SWITCH MEANS BEING OPERATIVE TO CONNECT TELEPHONE SUBSTATIONS SELECTIVELY TO THE TELEPHONE NETWORK, MEANS AT SAID REMOTE RADIO TRANSMITTER-RECEIVER FOR A WILL GENERATING AND TRANSMITTING TELEPHONE CODE PULSES, MEANS CONTROLLED BY SAID TELEPHONE CODE PULSES OPENING AND CLOSING SAID CRADLE SWITCH MEANS IN RESPONSE TO THE TELEPHONE CODE PULSES FROM THE REMOTE RADIO TRANSMITTER-RECEIVER SYSTEM TO THEREBY SIGNAL THE NUMBER OF A FURTHER TELEPHONE SUBSTATION, MEANS AT THE INTERMEDIATE RADIO TRANSMITTER-RECEIVER SYSTEM FOR RESPONDING TO THE RINGING OF THE SELECTED TELEPHONE SUBSTATION BELL AND COMMUNICATION BELL RINGING INFORMATION TO THE REMOTE RADIO TRANSMITTER-RECEIVER SYSTEM, MEANS AT THE REMOTE RADIO TRANSMITTER-RECEIVER SYSTEM RESPONSIVE TO THE BELL RINGING INFORMATION FROM THEL INTERMEDIATE RADIO TRANSMITTER-RECEIVER SYSTEM TO PRODUCE A SIGNAL IDICATING THAT THE LAST MENTIONED TELEPHONE SUBSTATION BELL IS RINGING, AND MEANS FOR COUPLING AUDIO SIGNALS BETWEEN THE INTERMEDIATE RADIO TRANSMITTER-RECEIVER SYSTEM AND THE TELEPHONE NETWORK VIA SAID ONE OF SAID SUBSTATIONS