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About Spectral Dynamics
Spectral Dynamics is a leading worldwide supplier
of systems and software for vibration testing, structural dynamics
and acoustic analysis. Spectral Dynamics' products are used for
design verification, product testing and process improvement by
manufacturers of all types of electronic and mechanical products.
A privately held corporation with more than 100 employees, Spectral
Dynamics has offices in San Jose and San Marcos, CA, Detroit MI,
Baltimore MD, France, Germany, and the United Kingdom as well
as sales and service representatives worldwide.
Composition:
Spectral Dynamics, Inc. Founded 1961
TimeData Corp., later GenRad Structural Test Products
(STP) Founded 1966
Dunegan/PIND Testers Founded 1968 Synergistic
Technology Incorporated (STI) Founded 1978
Structural Measurement Systems (SMS) Founded
1979
Accomplishments:
Continuous operations since inception.
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
GenRad patented RANDOM Digital Shaker Control
employing a time domain randomization technique Patent # 3,848,115
in 1972
GenRad patented the Structural Analysis System in
1983 Patent #4,061,017
STP produced and patented the first digital signal
synthesis capability for a closed loop control system in 1983
Patent # 4,782,324
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
STP produced the world's first system capable of
Adaptive Control for Shock Testing
Patent #5,517,426
STP produced the world's first Adaptive Control
System for Random Testing
SMS produced the first MODAL Analysis software
for Hewlett Packard measurement systems in 1979
SMS created the first Windows based Modal capability
(STARModal®) in 1983
STI introduced the world's first commercial MultiExciter
(waveform) Replication
Control System in 1978
STI introduced the world's first commercial Stepped
Sine Modal excitation in 1978
STI produced the world's first MultiExciter Digital
Sine Control System in 1980
STI produced the world's first MultiExciter Digital
Random Control System in 1982
STI produced the world's first Adaptive MultiExciter
Control System 1990, US Patent #5,299,459 and EU
Patent #0521853
Spectral Dynamics was acquired by Scientific Atlanta
in 1975. General Radio, later renamed GenRad, acquired TimeData
Corp. in 1978. Jim Tucker and Stewart Slykhous acquired Dunegan/PIND
testers in 1988. In 1989 GenRad STP acquired Structural Measurement
Systems, including the STAR product line. In 1993 PIND Testers
acquired Spectral Dynamics from Scientific Atlanta and changed
the company name to Spectral Dynamics, Inc. In 1995 the new Spectral
Dynamics acquired the Structural Test Products division of GenRad,
including the former Structural Measurement Systems product line
STAR. Spectral Dynamics, Inc. acquired Synergistic Technology
Incorporated in November 1996.
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