1
James K Andersen, Eric Lee Goldner, Leo Lam, William Morey, Ira Jeffrey Bush, Gerald Baker, Agop Cherbettchian: Fiber optic particle motion sensor system. US Sensor Systems, Stradley Ronon Stevens Young, August 16, 2011: US07999946 (24 worldwide citation)

A sensor apparatus combines an optical sensor in which acceleration, acoustic velocity, or displacement (vibration) causes a corresponding shift in the center wavelength of the sensor output, coupled to a high speed interferometric interrogator, through an unbalanced fiber interferometer. The unbala ...


2
James K Andersen, John H Thompson, James W White: Acoustic transducer for sending and receiving acoustic communication signals. Ocean Systems Research, Charles W Helzer, October 27, 1992: US05159580 (17 worldwide citation)

A uniquely designed acoustic transducer comprising a stack of piezoceramic elements (other piezoelectric materials may be used) mounted upon a tuned, shaped transmit/receive head made of hardened metal alloy. The ceramic stack is preloaded to the head via a stress bolt. Insulator electrodes used in ...


3
A Douglas Meyer, Patrick J Welton, James K Andersen: Solid fill acoustic array. Litton Systems, Price and Gess, July 17, 2001: US06262944 (12 worldwide citation)

An acoustic array including a plurality of acoustic sensors positioned at predetermined telemetry points for measuring the acoustic energy from the surrounding environment. The acoustic sensors are each positioned within a fluid-filled pocket in the acoustic array, wherein each the various fluid-fil ...


4
James K Andersen, Carl L Hikes: Underwater electrical connector. Westinghouse Electric, Dean Schron, October 17, 1989: US04874324 (11 worldwide citation)

A connector having a metal shell which would normally be subject to galvanic action in an underwater environment. The metal shell includes a protective plastic coating of polyphenylene sulfide resin electrodeposited thereon and over a portion of which plastic coating an encapsulating boot is bonded. ...


5
James K Andersen: Sonar transducer array. Westinghouse Electric, D Schron, May 17, 1988: US04745584 (10 worldwide citation)

A transducer array which includes backing and an acoustic window separated by a plurality of elongated parallel rail members having notches in the sidewalls thereof. Notches in adjacent rail members accommodate a stave member which carries a plurality of transducer elements. A stave member may be pl ...


6
James K Andersen, James W White: Autonomous rapid thermal ice penetrating method and system. Ocean Systems Research, Charles W Helzer, June 11, 1991: US05022470 (6 worldwide citation)

An autonomous ice penetrator/payload delivery system is provided which, when once launched from its parent vehicle will, upon reaching the surface of the ice automatically right itself to proper orientation with respect to the ice surface for penetration. A modified solid propellant rocket engine is ...


7
Charles L Morningstar deceased, James K Andersen: Towed hydrophone streamer with integrated module coupler. Whitehall Corporation, Hitt Chwang & Gaines, April 30, 1996: US05513151 (3 worldwide citation)

An integrated module coupler for a towed hydrophone streamer and a method of transmitting towing forces and electrical signals therethrough. The coupler comprises: (1) a coupler body having a plurality of axial bores and a plurality of tension member apertures therethrough, (2) a plurality of electr ...


8
James K Andersen, Eric Lee Goldner, Leo Lam, William Morey, Ira Jeffrey Bush, Gerald Baker, Agop Cherbettchian: Fiber optic particle motion sensor and measuring method using the sensor. US Seismic Systems, Stradley Ronon Stevens & Young, August 14, 2012: US08240207 (2 worldwide citation)

An optical sensor in which acceleration, acoustic velocity, or displacement (vibration) causes a corresponding shift in the center wavelength of the sensor output. The sensor can be coupled to a high-speed interferometric interrogator through an unbalanced fiber interferometer. The unbalanced interf ...


9
James K Andersen, Afshin Kianpour, Eric L Goldner: Remotely actuated clamping devices for borehole seismic sensing systems and methods of operating the same. Avalon Sciences, Stradley Ronon Stevens & Young, September 13, 2016: US09441433

A remotely actuated clamping device for a borehole seismic sensing system. The remotely actuated clamping device includes a clamping mechanism configured to engage a surface of a borehole by actuation of the clamping mechanism. The remotely actuated clamping device also includes a fluid based actuat ...


10
Eric L Goldner, James K Andersen: Fiber optic backscatter sensing systems and methods of operating the same. Avalon Sciences, Stradley Ronon Stevens & Young, February 6, 2018: US09885592

A fiber optic sensing system is provided. The fiber optic sensing system includes: at least one fiber optic transducer; an optical backscatter interrogator for interrogating backscatter optical signals from the at least one fiber optic transducer; and an optical fiber between the optical backscatter ...