|
US3303347A
|
|
Plural track shaft angle encoding system using exclusive or logic
|
|
US3310798A
|
|
Analog to digital optical encoder
|
|
US3312828A
|
|
Analog to digital encoding apparatus for directly reading out information
|
|
US3226972A
|
|
Constant torque motor for testing gyroscopes
|
|
US3265902A
|
|
Photoelectric shaft angle encoder
|
|
US3209346A
|
|
Optical shaft encoder
|
|
US3187187A
|
|
Photoelectric shaft angle encoder
|
|
US3205697A
|
|
Test turntable for inertial guidance devices
|
|
US3258223A
|
|
Attitude sensing and control system for artificial satellites
|
|
US3209345A
|
|
Analog-to-digital shaft encoder
|
|
US3097302A
|
|
Photosensitive modular shaft position encoder
|
