Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2006-06-20
2006-06-20
Gutierrez, Diego (Department: 2859)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S288000, C382S144000
Reexamination Certificate
active
07062861
ABSTRACT:
A position determination system comprises a data processing system, a first measuring module, and a second measuring module. Both of the measuring modules are coupled to the data processing system. The first measuring module includes a first sensing device for obtaining positional data of a first testing target. A calibration sensing device is rigidly linked to the first sensing device. The positional relationship between the first sensing device and the calibration target is known. The system has a rotation mechanism for rotating the sensing device of the first sensing device. The second measuring module includes a second sensing device for obtaining positional data of a second testing target. A calibration target is rigidly linked to the second sensing device, and is used with the calibration sensing device to obtain a positional relationship between the calibration target and the calibration sensing device. The positional relationship between the second sensing device and the calibration target is known. A rotation mechanism is provided for rotating the second sensing device. The data processing system provides a user interface for indicating the positions of the first and second sensing devices.
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Gururaj Manjula
O'Mahony Patrick
Cohen Amy R.
Gutierrez Diego
McDermott Will & Emery LLP
Snap-On Incorporated
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