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New Scale awarded four patents for piezoelectric motor drive and control techniques

New Scale awarded four patents for piezoelectric motor drive and control techniques

Innovations reduce power consumption; optimize speed and force of miniature piezo motors. Since its founding in 2002, New Scale has secured twelve US patents and numerous corresponding international patents for piezoelectric motors and motion systems with unmatched miniaturization, micrometer-scale resolution, fully-integrated microelectronics and intelligent firmware.

Moisture-resistant piezoelectric micro motor

Small, precise motor is sealed for operation in high-moisture environments This video demonstrates a customized SQUIGGLE micro motor operating under water. The piezoelectric motor is customized with a water-resistant housing including a silicon molded bellows and a...
Smart off-axis absolute position sensor and UTAF piezo motor enable closed-loop control of miniaturized Risley prism pair

Smart off-axis absolute position sensor and UTAF piezo motor enable closed-loop control of miniaturized Risley prism pair

Many optical applications require an off-axis sensor configuration to leave a clear aperture for light transmission through the center of a rotating optical element, which may be a polarizing optic, a micro filter wheel, a wedged prism or other component.

Hall effect position sensors with on-chip analog-to-digital conversion (ADC) lend themselves to very tiny systems. Using a novel implementation of these integrated linear position sensors, engineers at New Scale Technologies created a unique off-axis rotary position sensor that delivers absolute angular position information over a standard I2C serial digital interface. This sensor has a wide clear aperture, very small size and low power use. Coupled with New Scale’s tiny piezoelectric motors, it enables highly-miniaturized optical systems.

Multi-axis positioning system: Small, precise and smart

Four two-axis positioners fit in 80 mm space; deliver closed-loop resolution of 0.5 μm. This multi-axis positioning system operates on 3.3 V and accepts high-level motion commands over an I2C interface. This implementation solves an optical alignment problem in a new...