Optics: measuring and testing – Angle measuring or angular axial alignment – Sides of angle or axes being aligned transverse to optical...
Patent
1979-07-27
1981-08-25
Rosenberger, R. A.
Optics: measuring and testing
Angle measuring or angular axial alignment
Sides of angle or axes being aligned transverse to optical...
356243, 356399, G01D 534
Patent
active
042855950
ABSTRACT:
A modular encoder with a dimensionally stable housing which can be easily aligned for mounting on a motor housing. The encoder utilizes a monolithic, in-line, sensor array and a single light source to achieve improved long-term performance and includes improved alignment means permitting a user to readily align the encoder with a motor. Pre-alignment of the mask and sensor assembly simplifies the alignment performed by the user.
REFERENCES:
patent: 3058001 (1962-10-01), Dertouzos
patent: 3531650 (1970-09-01), Cronin
patent: 3900732 (1975-08-01), Costales
patent: 4075478 (1978-02-01), Walker
Fryer Ronald W.
Guerra Jess
Electro-Craft Corporation
Rosenberger R. A.
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