×

Telephone signal reporting system

  • US 3,299,211 A
  • Filed: 12/22/1961
  • Issued: 01/17/1967
  • Est. Priority Date: 12/22/1961
  • Status: Expired due to Term
First Claim
Patent Images

1. IN AN AUTOMATIC SIGNAL REPORTING SYSTEM, IN COMBINATION, A PLURALITY OF SIGNAL STATIONS, MEANS AT EACH OF SAID STATIONS RESPONSIVE TO A PRESELECTED CONDITION FOR GENERATING RESPECTIVE TONE SIGNALS, A TRANSLATING STATION, TRANSMISSION MEANS FOR APPLYING EACH OF SAID TONE SIGNALS TO SAID TRANSLATING STATION, MEANS AT SAID TRANSLATING STATION FOR CONVERTING EACH ONE OF SAID TONE SIGNALS INTO A RESPECTIVE UNIQUE COMBINATION OF MULTIVALUED DIRECT VOLTAGES INDICATIVE OF THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS, A CONTROL POINT, TRANSMISSION MEANS FOR APPLYING EACH COMBINATION OF SAID VOLTAGES ON A SPACE DIVISION BASIS TO SAID CONTROL POINT, AND MEANS AT SAID CONTROL POINT RESPONSIVE TO SAID SPACE DIVISION VOLTAGES FOR REGISTERING THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS IN TERMS OF A UNIQUE CODE.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×