Machine element or mechanism – Gyroscopes – With pick off
Reexamination Certificate
2006-04-25
2006-04-25
Tarcza, Thomas H. (Department: 3662)
Machine element or mechanism
Gyroscopes
With pick off
C356S139030
Reexamination Certificate
active
07032469
ABSTRACT:
A system and method for measuring orientation of an object. In the illustrative embodiment, the object is a ball (42) in a ball and socket type pointing and stabilization system. The novel system (40) includes an encoded pattern (46) applied to a portion of the surface of the ball (42), a pattern reader (44) which reads the pattern (46) off the ball (42) and outputs data representative of the pattern (46), and a processor (48) which decodes the data into orientation information. In the preferred embodiment, the pattern reader (44) is an electro-optical sensor, and the encoded pattern (46) includes a grid of dots (52) arranged in a first predetermined number of dot code cycles (58) wherein each dot code cycle (58) includes a second predetermined number of dots. The processor (48) includes an algorithm (100) which computes pitch, yaw, and roll angles from the pattern reader data.
REFERENCES:
patent: 2959060 (1960-11-01), Kunz
patent: 3328595 (1967-06-01), Todd, Jr.
patent: 4488041 (1984-12-01), Baudot
patent: 5223709 (1993-06-01), Pettypiece, Jr.
patent: 6444976 (2002-09-01), Ishikawa et al.
patent: 6737591 (2004-05-01), Lapstun et al.
Alkov Leonard A.
Alsomiri Isam
Finn Thomas J.
Raytheon Company
Tarcza Thomas H.
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