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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Dandridge; Anthony
Address:
Burke, VA
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
H1626 Fiber optic network system with low crosstalk using code-division multiplexing January 7, 1997
A code-division multiplexed system comprising an optical source, a code generator for developing and applying a pseudo-random bit sequence code to the optical source to cause the optical source to develop a unipolar coded optical signal, a means for dividing the unipolar coded optical si
6611633 Coated fiber pressure sensors utilizing pressure release coating material August 26, 2003
This invention pertains to a sensor comprising of glass optical fiber, a cellular pressure release material surrounding the fiber, and means for determining responsivity of the sensor, the sensor having responsivity of at least about -160 dB re rad/m-.mu./Pa, which corresponds to sensiti
6328837 Fiber optic accelerometer sensor and a method of constructing same December 11, 2001
The interferometric fiber optic accelerometer is viewed as a mass-spring transducer housed in a sensor case. The sensor case is attached to a moving part whose motion is inferred from the relative motion between the mass and the sensor case. A flexural disk is housed in a sensor case whi
6285806 Coherent reflectometric fiber Bragg grating sensor array September 4, 2001
A fiber optic sensor array has multiple segments, each capable of detecting a physical condition such as an acoustic wave. The segments are separated by weak reflectors such as fiber optic Bragg gratings. Light from a light source is input into the input end of the array. Light reflected
6081633 Fiber optic sensor array system with forward coupled topology June 27, 2000
A forward-coupled array topology is used for a ladder-type fiber optic ser system in which each optical path in the system includes the same total number of input and output optical fiber sections and approximately the same total number of input and output couplers and splices so that t
6056032 Apparatus for winding optic fiber coils May 2, 2000
The interferometric fiber optic accelerometer is viewed as a mass-spring nsducer housed in a sensor case. The sensor case is attached to a moving part whose motion is inferred from the relative motion between the mass and the sensor case. A flexural disk is housed in a sensor case which
5903349 Fiber optic accelerometer sensor and a method of constructing same May 11, 1999
The interferometric fiber optic accelerometer is viewed as a mass-spring transducer housed in a sensor case. The sensor case is attached to a moving part whose motion is inferred from the relative motion between the mass and the sensor case. A flexural disk is housed in a sensor case whi
5668779 Hydrophone group design for shallow towed applications September 16, 1997
A hydrophone group for shallow towed applications in less than 50 feet of ter. The hydrophone group has a series of hydrophones connected by relatively insensitive fiber optic interconnects. The individual hydrophones are sufficiently sensitive such that the interconnecting optical f
5394378 Hydrophone transduction mechanism February 28, 1995
A sensing portion for an interferometric planar hydrophone is disclosed which comprises: a support assembly; a plurality of hollow compliant mandrels mounted to the support assembly in a fixed planar relationship with respect to each other to form a planar configuration; a sensing op
5140154 Inline fiber optic sensor arrays with delay elements coupled between sensor units August 18, 1992
An improved inline fiber optic sensor array is achieved by packaging a pllity of fiber optic sensor units such that each fiber optic sensor unit incorporates a complete functional sensor and adjacent fiber optic sensor units are separated by a delay element connected in series between e










 
 
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