Optical Encoder utilizes light pipe technology.

Press Release Summary:

Series 62AG optical encoder generates 2-bit digital output to measure magnitude and direction of shaft or knob rotation. It is terminated with 4 in. cable/connector assembly and optically coupled switching enables encoder to surpass one million rotational cycles. Featuring either 16 or 32 detent positions/rotation, it is also available with optional integrated pushbutton for scrolling items from list or menu and selecting desired function.

Original Press Release:

Grayhill Unveils Series 62AG

LaGrange, IL (Spring, 2007) - Grayhill, Inc. is proud to announce the introduction of the Series
62AG optical encoder. The 62AG is manufactured using 100% hard tooled pieces parts and
utilizes patented light pipe technology for optical switching. These design enhancements enable
the 62AG encoder to be price competitive with mechanical encoders at high production volumes,
while providing superior reliability and performance.

The 62AG generates a two bit digital output to measure the magnitude and direction of the shaft or
knob rotation. Add the optional integrated push-button and the 62AG becomes the perfect device
for scrolling items from a list or menu and selecting the desired function. Designers of equipment
in industries like automotive, medical, test and measurement, and audio/video will find the 62AG
to be an effective and efficient user interface solution.

The optically-coupled switching enables the encoder to surpass one million rotational cycles, thus
providing superior durability over corresponding mechanical encoders. The encoder is terminated
with a four inch cable/connector assembly and can be purchased with 16 or 32 detent positions
per rotation. Custom shaft configurations and switch terminations are available in annual
quantities exceeding 500 units.

For more information on the 62AG series contact Customer Service at (708) 354-1040 or visit us
online at www.grayhill.com.

About Grayhill, Inc.
Since its inception in 1943, Grayhill has been a leading designer and manufacturer of high quality
switches. Over the years, Grayhill has achieved the same success in encoders, I/O modules,
keypads, operator interface and - most recently - computer based devices such as panel mount
and mobile computers. Utilizing high-tech development tools, an in-house ISO-17025 certified
test lab, and any one of four fully-optimized manufacturing facilities, Grayhill can quickly and
precisely deliver premier custom products that meet the needs of unique applications.

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