Automatic position-reporting system

• US 2,972,742 A
• Filed: 09/12/1956
• Issued: 02/21/1961
• Est. Priority Date: 09/12/1956
• Status: Expired due to Term

• Current Assignee: Dan C. Ross
• Original Assignee: Dan C. Ross
• Inventors: Ross, Dan C.
• Application Number:
  US03/609,414
• Time in Patent Office: 1,623 Days
• US Class Current: 342/451
• CPC Class Codes: G01S 3/023 Monitoring or calibrating
• CPC Class Codes: G01S 5/0036 of measured values, i.e. measurement on mobile and position calculation on base station
• CPC Class Codes: G01S 5/021 Calibration, monitoring or correction G01S5/0252 takes precedence
• CPC Class Codes: G01S 5/06 Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements G01S5/12 takes precedence

Claims