公开(公告)号：US06462530B1

公开(公告)日：2002-10-08

申请号：US09770792

申请日：2001-01-25

Applicant: Michael R. Layton

Inventor： Michael R. Layton

IPC: G01R2300

CPC classification number: G01C19/5607 ,  G01C19/5783

Abstract: Redundant rate sensor and method in which inertial rate is monitored with a plurality of vibratory sensing elements mounted in a single enclosure, signals from the sensing elements are processed to provide an independent rate output signal for each of the sensing elements, and the independent rate output signals are delivered to a connector which is accessible externally of the enclosure.

Abstract translation: 利用安装在单个外壳中的多个振动传感元件监视惯性速率的冗余速率传感器和方法，来自感测元件的信号被处理以为每个感测元件提供独立的速率输出信号，并且独立速率输出 信号被传送到可从外壳外部接近的连接器。

公开(公告)号：US5796002A

公开(公告)日：1998-08-18

申请号：US848323

申请日：1997-04-30

Applicant: Michael R. Layton

Inventor： Michael R. Layton

IPC: G01C19/5614 ,  G01P9/04

CPC classification number: G01C19/5614

Abstract: A closed loop sensor that utilizes a piezoelectric structure. In one embodiment, driven/non-control electrodes apply drive voltages to the piezoelectric structure and drive/control electrodes apply drive/control voltages to the piezoelectric structure to cause drive mode displacement of the piezoelectric structure and cancel motion induced pickup mode and quadrature displacements of the piezoelectric structure. In another embodiment, pickup/control electrodes detect a pickup signal from the piezoelectric structure corresponding to the motion induced pickup mode and quadrature displacements and apply a control signal to the piezoelectric structure so as to cancel these displacements. In still another embodiment of the invention, an optical sensing device optically senses the motion induced pickup mode and quadrature displacements and control electrodes apply a control signal to the piezoelectric structure so as to cancel them.

Abstract translation: 一种利用压电结构的闭环传感器。 在一个实施例中，驱动/非控制电极向压电结构施加驱动电压，并且驱动/控制电极向压电结构施加驱动/控制电压，以使压电结构的驱动模式位移并且消除运动感应拾取模式和正交位移 压电结构。 在另一个实施例中，拾取/控制电极从对应于运动感应拾取模式和正交位移的压电结构检测拾取信号，并向压电结构施加控制信号以消除这些位移。 在本发明的另一个实施例中，光学感测装置光学地感测运动感应拾取模式和正交位移，并且控制电极向压电结构施加控制信号以消除它们。

公开(公告)号：US5363342A

公开(公告)日：1994-11-08

申请号：US187166

申请日：1988-04-28

Applicant: Michael R. Layton ,  A. Douglas Meyer ,  Bruce A. Danver

Inventor： Michael R. Layton ,  A. Douglas Meyer ,  Bruce A. Danver

IPC: G01H9/00 ,  H04R1/44 ,  H04R23/00

CPC classification number: G01H9/004 ,  H04R1/44 ,  H04R23/00

Abstract: An acceleration insensitive interferometric hydrophone sensor having increased sensitivity comprises a rigid cylindrical support mandrel that is coaxial with and between thin walled sense and reference mandrels. Flanges on the reference and support mandrels form air filled cavities above and below optical reference and sense fiber windings, respectively, that are symmetrically wound on associated mandrels. The walls of the sense and reference mandrels are thin so that they both respond to the same incident acoustic wave signal although 180.degree. out-of-phase. A central collar on the support mandrel provides an acceleration insensitive location for making attachment to the hydrophone. In another embodiment, the reference mandrel is much thicker than the sense mandrel and cavities supporting the sense fiber are caused to operate as acoustic impedance mismatches for rendering the reference fiber winding substantially insensitive to and acoustically decoupling it from an incident acoustic pressure wave signal. In yet another embodiment which does not employ a reference mandrel, the reference fiber is wound around the support mandrel in cavities above the latter that are caused to operate as acoustic mismatches. The junctions of the mandrels are preferably sealed for isolating the wound length of reference fiber and cavities from fluid in which the hydrophone sensor is located.

Abstract translation: 具有增加灵敏度的加速度不敏感干涉水听器传感器包括与薄壁感知和参考心轴同轴的刚性圆柱形支撑心轴。 参考和支撑心轴上的法兰在分别对称地缠绕在相关心轴上的光学参考和感光纤维绕组之上和之后形成空气填充的空腔。 感测和参考心轴的壁很薄，使得它们都对相同的入射声波信号进行响应，尽管180°异相。 支撑心轴上的中心轴环提供加速度不敏感的位置，用于附接到水听器。 在另一个实施例中，参考心轴比感测心轴厚得多，并且引起支撑感测光纤的空腔作为声阻抗失配而起作用，使得参考光纤绕组基本上不会与入射声压波信号进行声学解耦。 在不采用参考心轴的另一个实施例中，参考光纤围绕支撑心轴卷绕在后者上方的空腔中，导致其作为声学失配而起作用。 心轴的接头优选地被密封，用于将参考纤维和空腔的缠绕长度与水听器传感器所在的流体隔离。

公开(公告)号：US5256237A

公开(公告)日：1993-10-26

申请号：US762737

申请日：1991-09-17

Applicant: Steven J. Maas ,  Michael R. Layton ,  A. Douglas Meyer ,  Dennis P. Bevan

Inventor： Steven J. Maas ,  Michael R. Layton ,  A. Douglas Meyer ,  Dennis P. Bevan

IPC: B29C43/18 ,  B29C70/44 ,  B29C70/82 ,  B29D11/00 ,  B29D23/00 ,  G02B6/44 ,  H04R31/00 ,  B32B31/04 ,  B32B31/14

CPC classification number: B29D23/005 ,  B29C43/18 ,  B29C70/446 ,  B29C70/82 ,  B29D11/00663 ,  G02B6/4457 ,  B29L2011/00 ,  B29L2023/22

Abstract: The inner surface affixation system and process is a method for affixing wound optical fibers on the inner surface of a hollow cylinder. It is useful, for example, in the manufacture of rigid mandrel-based fiber optic sensors. The optical fibers of a sensor wound on the inner surface are less susceptible to damage than are optical fibers wound on the outside of the mandrel.The process requires that the fibers be supported on a cylinder, which is coated with an adhesive and placed within the sensor mandrel cylinder, at which time the circumference of the supporting cylinder is expanded, causing the fibers to engage the inner surface of the sensor mandrel cylinder. The adhesive is then cured, holding the fibers in place on the inner surface of the sensor mandrel cylinder while the supporting cylinder is contracted and removed from the sensor mandrel cylinder.

Abstract translation: 内表面固定系统和工艺是将缠绕光纤固定在中空圆柱体的内表面上的方法。 例如，在制造刚性的基于心轴的光纤传感器中是有用的。 缠绕在内表面上的传感器的光纤比缠绕在心轴外侧的光纤不易受到损伤。 该方法要求将纤维支撑在圆筒上，该圆筒涂覆有粘合剂并放置在传感器心轴筒内，此时支撑圆筒的圆周膨胀，导致纤维与传感器心轴的内表面接合 圆筒。 然后将粘合剂固化，将纤维保持在传感器芯筒筒的内表面上的适当位置，同时支撑筒收缩并从传感器芯棒筒中移出。

公开(公告)号：US5212825A

公开(公告)日：1993-05-18

申请号：US610931

申请日：1990-11-09

Applicant: Michael R. Layton

Inventor： Michael R. Layton

IPC: H03D1/22 ,  H04B1/30

CPC classification number: H03D1/2245 ,  H04B1/30

Abstract: An improved synthetic heterodyne demodulator circuit. The circuit is arranged to accept the output signal s(t) from an interferometric sensor with large amplitude sinusoidal phase modulation (phase-generated carrier). The phase modulation amplitude is adjusted such that a selected pair of odd and even carrier harmonics are equal. The quadrature signal components are first extracted from the phase-generated carrier using standard homodyne techniques. The quadrature signal components are then used to AM-modulate a pair of equal-amplitude quadrature carrier components at an arbitrary frequency .omega..sub.c, and summed. The result is a conventional PM modulated carrier which can be demodulated using standard FM techniques, followed by integration, to recover with high fidelity the sensed information.

Abstract translation: 一种改进的合成外差解调电路。 电路被布置成从具有大幅度正弦相位调制（相位生成载波）的干涉测量传感器接受输出信号s（t）。 调整相位调制幅度，使得所选择的奇数和偶数载波的一对相等。 使用标准零差技术首先从相位生成载波提取正交信号分量。 然后，正交信号分量用于以任意频率ωc对一对等幅正交载波分量进行AM调制，并相加。 结果是常规的PM调制载波，其可以使用标准FM技术进行解调，随后集成，以高保真度恢复感测信息。