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
Tallis Y Chang, Leo Lam, Graham Martin: Switch and variable optical attenuator for single or arrayed optical channels. Chromux Technologies, Hogan & Hartson, September 9, 2003: US06618519 (10 worldwide citation)

An assembly that could be used either as a switch or an attenuator includes two or more optical channels defined by lithography within a substrate. The two or more optical channels are positioned so that the ends of the optical channels are at or near an edge of the substrate. A moveable MEMS mirror ...


3
Tallis Y Chang, David B Hall, Leo Lam: Tap couplers for fiber optic arrays. Chromux Technologies, Hogan & Hartson L, February 15, 2005: US06856735 (7 worldwide citation)

A tap coupler device for an optical array is formed either in a waveguide structure or in a V block in which a fiber array may be mounted. The tap coupler device may include a substrate with main and tap waveguides formed therein, and waveguide tap couplers formed in the substrate for diverting a po ...


4
William Debley, Leo Lam, Radhakrishna Mandyam, Dhirubhai Patel: Method of shaping a flux mask and process of sputtering with the shaped flux mask. Litton Systems, Price and Gess, September 10, 2002: US06447653 (3 worldwide citation)

The present invention provides a method for shaping a mask to reduce coating non-uniformity in the radial direction. A test run of the ion beam sputtering system coats a stationary glass plate having the same area and shape as the platen. The resulting coating thickness is measured across the surfac ...


5
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 ...


6
Vala Afshar, Leo Lam, Douglas Hyde, Jamie Woodhead, Michael Lam, Richard Graham: System and related method for management of devices of a network system via social media interfaces. Extreme Networks, Ropes & Gray, February 21, 2017: US09576270 (2 worldwide citation)

A system and related method for the exchange of information, data and instructions between one or more network administrators and one or more network infrastructure devices via one or more media exchanges. Devices are managed using a social media agent including a session agent that translates media ...


7
Tallis Y Chang, Leo Lam, Graham Martin: Switch and variable optical attenuator for single or arrayed optical channels. Chromux Technologies, Hogan & Hartson, January 16, 2003: US20030012509-A1 (2 worldwide citation)

An assembly that could be used either as a switch or an attenuator includes two or more optical channels defined by lithography within a substrate. The two or more optical channels are positioned so that the ends of the optical channels are at or near an edge of the substrate. A moveable MEMS mirror ...


8
Graham Martin, Fritz Strohkendl, Leo Lam, Tallis Y Chang: Multiple channel optical assembly and method of manufacture. Chromux Technologies, Hogan & Hartson L, March 15, 2005: US06868206 (1 worldwide citation)

A collimator array is disclosed that carries forward its alignment characteristics to optical devices that incorporate it. Little, if any active alignment need be performed in the manufacturing of such optical devices, such as switching arrays and optical add/drop arrays that employ a plurality of s ...


9
Graham Martin, Fritz Strohkendl, Leo Lam, Tallis Y Chang: Multiple channel optical assembly and method of manufacture. Chromux Technologies, Hogan & Hartson, September 23, 2004: US20040184729-A1

A collimator array is disclosed that carries forward its alignment characteristics to optical devices that incorporate it. Little, if any active alignment need be performed in the manufacturing of such optical devices, such as switching arrays and optical add/drop arrays that employ a plurality of s ...


10
Eric Lee Goldner, Leo Lam, Graham Martin, Kevin Ryu: High density fiber optic acoustic array. Sabeus, Fulwider Patton, April 9, 2009: US20090092351-A1

A method for optimizing the architecture of a linear sensor array using WDM-TDM technology and stabilizing the reflectivity spectral profile of the fiber Bragg gratings of the sensors against the influence of environmental factors such as pressure and temperature is provided. The method includes str ...