Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1989-06-28
1990-08-07
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
356 12, G01C 1112
Patent
active
049470485
ABSTRACT:
A stereoscopic photographic measuring device which can execute an analysis of a stereoscopic photograph very efficiently. The stereoscopic photographic measuring device comprises a table for receiving a set of stereoscopic photographs thereon, and an optical system body constructed for movement in two-dimensional directions relative to the table. The table has a plane coordinate reading means provided thereon for reading coordinates of the stereoscopic photographs while the optical system body has provided thereon a stereoscope unit for observing the stereoscopic photographs in a stereoscopic vision, first and second cursors disposed within a range wherein the first and second cursors can be observed by way of the stereoscope unit, and a distance adjusting means for adjusting a distance between the first and second cursors. The device further comprises an outputting means for outputting data read in by the first cursor and the plane coordinate reading means and data read in by the second cursor and the plane coordinate reading means to a data processing device.
REFERENCES:
patent: 4601053 (1986-07-01), Grumet
patent: 4724526 (1988-02-01), Cole
Murai Shunji
Shirasawa Akishige
Hsia Sherrie
Kabushiki Kaisha Topcon
Nelms David C.
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