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Spectral Dynamics history
Spectral Dynamics company history timeline
Spectral Dynamics designed and first offered for sale the analog tracking filter in 1961.
GenRad/TimeData introduced and patented the FFT analyzer Patent # 3,638,004 1968
GenRad patented the first Digital Shaker Control System Patent # 3,710,082 in 1970
The AR products group (originally DSP Technology Inc.) established a name for itself in the mid 1970's.
GenRad patented RANDOM Digital Shaker Control employing a time domain randomization technique Patent # 3,848,115 in 1972
Spectral Dynamics was acquired by Scientific Atlanta in 1978.
SMS produced the first MODAL Analysis software for Hewlett Packard measurement systems in 1979
STP produced and patented the first digital signal synthesis capability for a closed loop control system in 1983 Patent # 4,782,324
Jim Tucker and Stewart Slykhous acquired Dunegan/PIND testers in 1988.
In 1989 GenRad STP acquired Structural Measurement Systems, including the STAR product line.
GenRad patented the first computer-based calibration method capable of adjusting gain & phase match between multiple input channels with Patent #4,937,535 in 1990
In 1993 PIND Testers acquired Spectral Dynamics from Scientific Atlanta and changed the company name to Spectral Dynamics, Inc.
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Spectral Dynamics may also be known as or be related to Spectral Dynamics and Spectral Dynamics, Inc.