Inventor
RAMSDEN DAVID
US28 patents
⚠️ This page may combine multiple inventors who share the name “RAMSDEN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYMETRICA LTD
13 patentsUS7504635B2Mar 17, 2009
Gamma-ray camera system
SYMETRICA LTD21 citations92
US7202478B2Apr 10, 2007
Gamma-ray spectrometry
SYMETRICA LTD24 citations89
US10429523B2Oct 1, 2019
Apparatus and methods for gamma ray detection
SYMETRICA LTD7 citations83
US10126442B2Nov 13, 2018
Spherical neutron detector
SYMETRICA LTD7 citations83
US9535177B2Jan 3, 2017
Gamma-ray spectrometry
SYMETRICA LTD8 citations83
US8384016B2Feb 26, 2013
Stabilization in gamma-ray spectometry
SYMETRICA LTD8 citations83
US7683336B2Mar 23, 2010
Spectrometer with plastic scintillator provided with a specular reflector
SYMETRICA LTD9 citations80
US7547887B2Jun 16, 2009
Gamma ray spectrometers
SYMETRICA LTD16 citations80
US8374993B2Feb 12, 2013
Radioactive isotope identification
SYMETRICA LTD10 citations76
US9465119B2Oct 11, 2016
Gamma-ray spectrometer
SYMETRICA LTD6 citations70
US11009616B2May 18, 2021
Neutron detection
SYMETRICA LTD2 citations69
US10310102B2Jun 4, 2019
Gamma-ray detector
SYMETRICA LTD6 citations69
US9720111B2Aug 1, 2017
Neutron detector and method for detecting neutrons
SYMETRICA LTD5 citations69
RAMSDEN DAVID
7 patentsUS8319188B2Nov 27, 2012
Gamma-ray detector
RAMSDEN DAVID27 citations88
US9268044B2Feb 23, 2016
Neutron spectrometer
RAMSDEN DAVID8 citations82
US9046613B2Jun 2, 2015
Radiation detector
RAMSDEN DAVID8 citations82
US8577019B2Nov 5, 2013
Methods, apparatus and articles of manufacture to detect echo during teleconferences
RAMSDEN DAVID0 citations51
US8452002B2May 28, 2013
Methods, apparatus and articles of manufacture to cancel echo for communication paths having long bulk delays
RAMSDEN DAVID0 citations51
US8125918B2Feb 28, 2012
Method and apparatus for evaluating adaptive jitter buffer performance
RAMSDEN DAVID0 citations51
US8503311B2Aug 6, 2013
Method for measuring processing delays of voice-over IP devices
RAMSDEN DAVID0 citations49
AT & T IP I LP
4 patentsUS8938066B2Jan 20, 2015
Methods, apparatus and articles of manufacture to cancel echo for communication paths having long bulk delays
AT & T IP I LP0 citations52
US9485352B2Nov 1, 2016
Method for measuring processing delays of voice-over IP devices
AT & T IP I LP0 citations50
US9160842B2Oct 13, 2015
Method for measuring processing delays of voice-over IP devices
AT & T IP I LP0 citations50
US8917639B2Dec 23, 2014
Eliminating false audio associated with VoIP communications
AT & T IP I LP0 citations46