Invention Grant
- Patent Title: Electronic tracking and ranging system
- Patent Title (中): 电子跟踪和测距系统
-
Application No.: US12129464Application Date: 2008-05-29
-
Publication No.: US07711477B2Publication Date: 2010-05-04
- Inventor: Kent Pearce , Teryl Pratt
- Applicant: Kent Pearce , Teryl Pratt
- Agency: Shlesinger, Arkwright & Garvey LLP
- Agent Glen L. Gross
- Main IPC: G01C21/00
- IPC: G01C21/00

Abstract:
An electronic tracked and ranging system is disclosed. Electronic tracked and ranging system applies interferometer principles to determine ranging distance from a monitor unit 10 to a tracked unit 12. In particular, the system transmits a monitor direct sequence spread spectrum (MDSSS) 52 from a monitor unit 10 to a tracked unit 12. Afterwards, tracked unit 12 transmits a tracked direct sequence spread spectrum (TDSSS) 56. Finally, monitor unit 10 receives TDSSS 56, performs a comparison to a reference MDSSS 52 locks signals between MDSSS 52 and TDSSS 56 and outputs distance between monitor unit 10 and tracked unit 12 using several phase comparisons. Multiple frequencies within MDSSS 52 are phase detected so as to increase accuracy of monitor unit 10 ranging distance to tracked unit 12.
Public/Granted literature
- US20080224855A1 ELECTRONIC TRACKING AND RANGING SYSTEM Public/Granted day:2008-09-18
Information query