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The RENCO name was derived from “Renick Company” in honor of its founder L. C. Renick. Mr. Renick, a degreed Mechanical Engineer, became interested in precision optics through his passion for photography. During WWII he joined the Navy and applied his interests by providing maintenance and support services for submarine periscopes. Upon return to civilian life, Mr. Renick started a Machining business in the Chicago area, and also acquired two interesting pieces of precision equipment, a linear and an angular dividing machine. With this equipment and his continued interest in precision optics and photography, he developed a facility for the manufacture of precision gratings using etching and photographic reduction processes. His skill in manufacture of precision gratings gained the attention of Mr. Nathan Pritikin, and the two became business partners in the early 1950s. Eventually, they decided to move out to California to pursue the growing high technology business in that area, and eventually settled in Santa Barbara in 1956. Their first products were mechanical measuring calipers, surveying rods, and gun-sight reticles. During this time, Mr. Renick also started to develop gratings for optical encoders. Mr. Pritikin had an associate with an electronics background, and these gentlemen convinced Mr. Renick that his ability to make gratings, combined with their electronics knowledge, would give them the foundations for a new business making optical encoders. As a result, RENCO was founded in 1968 by Mr. Nathan Pritikin and L.C. Renick. RENCO first opened its doors at 534 Olive Street in Santa Barbara. As few as five employees were engaged in manufacturing RENCO’s first encoders. One year later Mr. Renick sold out his interest in RENCO to Mr. Pritikin and the company was moved to 324 Palm Ave, Santa Barbara. Employees by this time numbered around 10. RENCO remained at this location for another two years, but continued growth forced the company to look for more space. Early in 1971 with as many as 20 employees RENCO moved its operations to 150 Aero Camino, Goleta, where 4000 sq ft could house the expanding business. However, Mr. Pritikin had further expanded his holdings by purchasing a division of Honeywell (renamed Photronics) and there was unused space in their facility located at 26 Coromar Dr, Goleta. So, only one year later, the RENCO Corporation moved for one last time to share this facility in the Santa Barbara Business Park. With only 20 employees, RENCO occupied only a small portion of the building at this time. In the middle of 1972, Mr. Pritikin divested his interests in RENCO and sold the company back to Photronics. RENCO continued to grow until over one half of the building was devoted to the manufacture of optical encoders, precision electro-mechanical components, and even STD Bus computers as the company expanded it’s presence in the growing motion control industry. In March 1977, RENCO was purchased by the Electro-Craft Corporation of Hopkins MN; a manufacturer of Electric Motors. Early in 1980, Electro-Craft was then purchased by Robbins & Myers, Inc. of Dayton Ohio. For ten years the company developed knowledge and expertise in the manufacture of optical encoders and finally established this activity as its core business. In 1991, Robbins & Myers, Inc decided to divest its motion control holdings and sold off Electro-Craft and RENCO. RENCO was purchased by Dr. Johannes Heidenhain, GmbH of Traunreut Germany. Today, RENCO has approximately 90 employees at our Goleta facility. Our customer list totals in the thousands, many of which are some of the best known companies in the world.

Product Description 22mm to 28mm RENCO Encoders Compact modular designs provide two data channels in quadrature, a reference mark and optional UVW signals for commutation of brushless servo-motors. Supports shaft sizes up to 4mm. Line driver outputs for data. Resolutions up to 1024 cycles (4096 counts). Bearing shaft encoders offer innovative packaging with sealing up to IP65. 35mm Encoders Our newest modular encoders are compatible with our RENCO RM15 but offer more performance and features. Resolutions up to 10000 cycles (40,000 counts) per revolution, supporting shaft sizes up to 3/8" with a height of only 18mm. Wide range of mounting options, cables, and voltages are supported. 50mm Encoders Bearing and Modular encoders offering innovative designs, simple installation, high resolutions and an extremely wide option selection for mounting and shaft configurations. Modular encoders support shaft sizes up to 5/8", bearing encoders up to 1/2". 1.5 inch Encoders Modular and bearing encoders. Our lowest profile modular encoder provides data and commutation outputs for brush and brushless servo-motors. Shaft and hollow-shaft products are also available with a wide range of available line counts. 2 inch Encoders Hollow-shaft bearing encoders offer our best accuracy and are ideally suited for high performance brushless servo applications. Data channel resolutions up to 8192 cycles (32,768 counts) and optional UVW outputs for commutation of brushless motors are available.