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PRESS RELEASE FOR IMMEDIATE RELEASE – January 2014

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An Optical Encoder to Keep Your Eyes Open For - EOI R007

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EOI R007
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Willow Technologies Limited www.willow.co.uk introduces Elesta Sensors new and innovative Optical Encoder system, the EOI R007 which meets the growing demand for miniaturization of micromechanical drives and offers higher precision in controlling motor speed and position.

This unique, patented, design combines Light source and photo detector mounting in the same plane facing the code wheel, the complete surface of which is reflective, ensuring the majority of incoming light (>90%) be reflected on the light sensor.

John Merrill, Product Manager at Willow Technologies commented, “A compact design, with extremely low power consumption, high resolution and precise output signals. The flexibility of this encoder system allows it to be integrated into a variety of housings of systems and motors with absolute ease.”

The precision of the code wheel, the focusing of the light beam and the use of a CMOS control circuit achieved a high slew rate and very tight signal tolerances. The specification below is based on a code wheel with 128 reflectors and achieved an angular tolerance of less than ± 0.14°, proving the design of miniaturized precise angle sensors is possible and highly efficient. The reliable EOI R007 achieves higher signal selectivity than comparable reflective systems, being a factor two better. The high output signals precision allows the system to retain its accuracy after 2 and 4 fold interpolations.

“The accuracy of outputs are amply immune to positional tolerance between code wheel and sensor”, continued Merrill.

The optical encoder is available as a modular system in kit form, giving customers the option to integrate the sensor and code wheel kit in an existing housing, motor or system. Alternatively the encoder system can be integrated as a universal encoder in a preferred housing.

“We have an excellent relationship with Elesta Sensors and can work with them, utilising accessories, to develop and adapt the encoder design to meet specific application requirements,” concluded Merrill.

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ABOUT WILLOW

Willow Technologies Limited, founded in 1989, provides solutions to customers by designing, manufacturing and supplying components and systems to the electrical and electronic marketplace across the globe. Specialists in switching, sensing, resistive and hermetic seal solutions, the company has a wide portfolio of technologies and over 100 years of application experience. With an in-house engineering capability and a production facility for rapid prototyping of custom parts, the company is well equipped to develop products matching customer specific application requirements. Willow is ISO9001: 2008 Registered.

For further information please contact:

John Merrill, This e-mail address is being protected from spambots. You need JavaScript enabled to view it ,+44 (0) 1342 717102.

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Fax: +44 (0) 1342 717014, Email:

CORPORATE: Solid State Group

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