Nortek Control

History


SINCE 1967

History of
Innovation

Nortek Control has been leading the way in product innovation and technology solutions for over 50 years. The history of the company includes several acquisitions over the years in order to deliver a complete portfolio of products and solutions to customers around the world. See how we started and join us on our exciting journey.

Timeline

1984

1984

Linear Corporation acquires Direct-a-Page and forms the Linear Communications Division. Primary products are mid-range paging transmitters and portable receivers.

1984

1984

Linear breaks ground for the new corporate and Linear Electronics headquarters in Carlsbad, California.

1983

1983

Linear Corporation creates a new division, Linear Plastics Corporation in Inglewood, California. Linear Plastics utilizes four 350-ton and 75-ton injection molding machines to produce a large percentage of the plastic parts required by all of Linear’s manufacturing divisions.

1983

1983

Linear Corporation forms the Linear-McNeese Division. The division’s primary product is a fire annunciation system used in hotels, motels, schools, hospitals and nursing homes.

1983

1983

Linear’s CEO division begins design of long-range wireless communications systems designed to transmit emergency fire and intrusion signals without the need for telephone lines.

1983

1983

Linear designs and manufactures the first miniature UHF transmitter for use using Surface Acoustical Wave Resonator (SAWR) technology. The Model ET-1 measures only 1-1/2″ x 3/4″ and is water-resistant.

1983

1983

Linear Electronics designs and markets its first Supervised Wireless Security System. The Model SS-32 and its associated supervised transmitters are among the first of their type on the market.

1983

1983

Linear Corporation merges the Linear Electronics and Colorado Electro Optics security product lines and forms Linear Security Products Group.

1983

1983

Linear creates Linear Hong Kong Limited, a sub-assembly manufacturing facility in Hong Kong, China.

1983

1983

Linear Corporation stock goes public July 19, 1983. The stock was listed over-the-counter.

1982

1982

Linear develops S1, the industry’s first supervised RF format. S1 transmitted alarm, restore, status, low battery and test reports.

1982

1982

Amgard wireless home alarm system production reaches 200 units per day.

1981

1981

Linear corporation forms the new Linear Electronics Division as part of a corporate program to identify the various operating divisions of the company. The new division is responsible for the development and administration of programs to promote the principal security products which are manufactured by Linear and its subsidiaries.

1981

1981

Linear’s wireless security equipment sales surpass Linear’s wireless garage door equipment sales for the first time. Residential and commercial security systems become more popular in lieu of increasing crime rates.

1980

1980

Linear designs and installs three computerized test fixtures to test the custom-built microprocessor chips and circuits used in the GDO operator controller board and the Amgard alarm system.

1980

1980

Linear signs contract to begin manufacturing the 4-channel digital Amgard home alarm console for the Amway marketing organization. Substantial quantities of equipment were manufactured and delivered througout the duration of the Amway contract.

1980

1980

Linear’s subsidiary Moore-O-Matic (MOM) in conjunction with Linear’s Design and Development department engineer the screw-drive Model 838 Garage Door Operator (GDO). The injection molded bulkhead design weighs only 24 pounds, as compared to previous 60 pound GDO designs.

1980

1980

Linear’s subsidiary Colorado Electro Optics (CEO) designs and manufacturers the Security Light Control (SLC-1). The SLC-1 is the first passive infrared automatic outdoor light control nationally marketed. The device senses the presence of anyone approaching, and turns on lights, guiding visitors or warning away unwelcome intruders.

1980

1980

Linear Laboratories produces a line of passive infrared non-contact temperature measuring equipment. The portable ThermoFlow™ and TherMonitor™ are designed for industrial process control, plant maintenance, and insulation contractors. The ThermoFlow™ measures heat flow without contact and features direct readout of BTU’s per square-foot/hour.

1979

1979

Linear installs the “Dyna-Pert” automatic circuit board assembly system in Inglewood, California production facility. Each machine electrically tests each component before automatic insertion into the printed circuit board assembly.