Modular encoder

Details Modular encoder Modular encoder

1978-01-12

1980-01-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

041840712

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: 3894232 (1975-07-01), Laspesa
patent: 4031441 (1977-06-01), Garrett
patent: 4033883 (1977-07-01), Zinsmeyer et al.
patent: 4075478 (1978-02-01), Walker

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