Central station for a multiple remoteinterrogated information system, with busy signalling

• US 3,376,509 A
• Filed: 06/29/1966
• Issued: 04/02/1968
• Est. Priority Date: 11/02/1962
• Status: Expired due to Term

• Current Assignee: Frederick P. Willcox, Harold E. Levitt, Newland F. Smith
• Original Assignee: Frederick P. Willcox, Harold E. Levitt, Newland F. Smith
• Inventors: Willcox, Frederick P., Smith, Newland F., Levitt, Harold E.
• Application Number:
  US04/574,894
• Time in Patent Office: 643 Days
• US Class Current: 455/528
• CPC Class Codes: G06F 3/16 Sound input; Sound output speech processing G10L
• CPC Class Codes: G07C 9/30 not involving the use of a pass
• CPC Class Codes: H04L 1/0083 Formatting with frames or packets; Protocol or part of protocol for error control

Claims