Communication system for the selective transmission of speech and data

• US 3,310,631 A
• Filed: 06/03/1963
• Issued: 03/21/1967
• Est. Priority Date: 06/03/1963
• Status: Expired due to Term

• Current Assignee: ITT Corporation (ITT, Inc.)
• Original Assignee: Warren G. Brown
• Inventors: Brown, Warren G.
• Application Number:
  US04/285,011
• Time in Patent Office: 1,387 Days
• US Class Current: 370/528
• CPC Class Codes: H03M 13/51 Constant weight codes; n-out-of-m codes; Berger codes
• CPC Class Codes: H04J 3/17 in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI speech analysis or identification G10L
• CPC Class Codes: H04J 3/172 Digital speech interpolation, i.e. DSI
• CPC Class Codes: H04M 11/064 Data transmission during pauses in telephone conversation

Claims

1. A COMMUNICATION SYSTEM COMPRISING:

A SOURCE OF CODE GROUPS REPRESENTING THE AMPLITUDE OF AT LEAST ONE SOURCE OF A FIRST TYPE OF INTELLIGENCE;

A SOURCE OF CODE CHARACTERS REPRESENTING A SECOND TYPE OF INTELLIGENCE;

FIRST MEANS COUPLED TO SAID SOURCE OF CODE GROUPS TO DETECT AT LEAST ONE CODE GROUP REPRESENTING A GIVEN AMPLITUDE OF THE INTELLIGENCE OF SAID ONE SOURCE;

SECOND MEANS COUPLED TO SAID SOURCE OF CODE CHARACTERS, SAID SOURCE OF CODE GROUPS AND SAID FIRST MEANS TO SUBSTITUTE SAID CODE CHARACTERS FOR SAID ONE CODE GROUP WHEN DETECTED;

THIRD MEANS COUPLED TO SAID SECOND MEANS FOR TRANSMISSION OF THE RESULTANT INTEGRATED PULSE TRAIN;

AND FOURTH MEANS COUPLED TO SAID THIRD MEANS FOR SEPARATION OF SAID CODE GROUPS AND SAID CODE CHARACTERS FROM SAID INTEGRATED PULSE TRAIN;

SAID FOURTH MEANS INCLUDING;

FIFTH MEANS TO DETECT THE CONDITION OF ALL THE BITS OF BOTH SAID CODE GROUPS AND SAID CODE CHARACTERS TO CONTROL SAID SEPARATION.