0114505-A1 is referenced by 125 patents and cites 6 patents.

Robotic apparatus is guided by a computer 14 which is calibrated by cameras 20, 21, 22 mounted on the robot arm 11 which view targets 15, 16 fixed at a work station 13 and comprising a pattern of four dots. The viewing takes place as the robot arm approaches the work station to carry out the intended operation and the sensing of any deviation relative to a predetermined target pattern is transmitted to the computer 14 to re-set the robot's computerized guidance system.

Title
Apparatus and method for robot calibration.
Application Number
EP19830307827 19831221
Publication Number
0114505 (A1)
Application Date
December 21, 1983
Publication Date
August 1, 1984
Inventor
Pryor Timothy R
Assignee
Diffracto
CA
IPC
B25J 19/00
B25J 19/02
B25J 09/16
B23P 19/00
A01B 69/04
B25J 19/02
B25J 09/16
B23P 19/00
A01B 69/04
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