Passive optical rangefinder-sextant
Patent 4162124 Issued on July 24, 1979. Estimated Expiration Date: 
February 28, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 28, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3498717 3796492 3889052 Remote controlled, CRT digital display, LLLTV camera-sextant Passive optical rangefinder Patent #: 4009960 InventorsApplicationNo. 05/882285 filed on 02/28/1978US Classes:356/3.15, With one viewing axis fixed348/116, Direction finding or location determination356/139.01, Star/Sun/Satellite position indication with photodetection356/144, With plural images356/146, Two or more lines of sight deflected356/255By reflectionExaminersPrimary: Buczinski, S. C.Attorney, Agent or FirmInternational ClassesG01C 1/00 (20060101)G01C 3/02 (20060101) G01C 1/08 (20060101) G01C 3/00 (20060101) G01C 3/10 (20060101) AbstractA passive opto-electric rangefinder with remotely controllable index mirr independently rotatable about normal axes, each axis perpendicular to the line-of-sight. | |
