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G01J2001/182
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G
PHYSICS
G01
Measuring instruments
G01J
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY
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G01J2001/182
with SH sample and hold circuits
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Patents Grants
last 30 patents
Information
Patent Grant
Ambient light determination using physiological metric sensor data
Patent number
11,781,907
Issue date
Oct 10, 2023
Fitbit, Inc.
Sebastian Joseph Capella
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ambient light determination using physiological metric sensor data
Patent number
11,029,199
Issue date
Jun 8, 2021
Fitbit, Inc.
Félix Antoine Turgeon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multispectral reflectometer
Patent number
5,517,302
Issue date
May 14, 1996
Thornton Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Adaptive fire detector
Patent number
5,369,397
Issue date
Nov 29, 1994
Gaztech International Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
NDIR gas analysis using spectral ratioing technique
Patent number
5,341,214
Issue date
Aug 23, 1994
Gaztech International Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Multispectral reflectometer
Patent number
5,262,840
Issue date
Nov 16, 1993
Sequa Corporation
Thornton Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Dual fiber optic spectrophotometer
Patent number
5,184,193
Issue date
Feb 2, 1993
Guided Wave
David A. LeFebre
G01 - MEASURING TESTING
Information
Patent Grant
Gas sample chamber
Patent number
5,163,332
Issue date
Nov 17, 1992
Gaztech International Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Rapid fire detector
Patent number
5,103,096
Issue date
Apr 7, 1992
Gaztech Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Multiple wavelength light photometer for non-invasive monitoring
Patent number
5,088,493
Issue date
Feb 18, 1992
Sclavo, S.p.A.
Ivo Giannini
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Fire detection system using spatially cooperative multi-sensor inpu...
Patent number
5,079,422
Issue date
Jan 7, 1992
Gaztech Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Gas sample chamber
Patent number
5,060,508
Issue date
Oct 29, 1991
Gaztech Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Spectral ratioing technique for NDIR gas analysis using a different...
Patent number
5,026,992
Issue date
Jun 25, 1991
Gaztech Corporation
Jacob Y. Wong
G08 - SIGNALLING
Information
Patent Grant
Method and apparatus for measuring the concentration of optically a...
Patent number
4,988,199
Issue date
Jan 29, 1991
Siemens Aktiengesellschaft
Bernt-Joachim Paul
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Respiratory CO.sub.2 detector circuit with high quality waveform
Patent number
4,955,946
Issue date
Sep 11, 1990
Marquette Gas Analysis
Bruce E. Mount
G01 - MEASURING TESTING
Information
Patent Grant
Gas analyzers
Patent number
4,859,859
Issue date
Aug 22, 1989
Cascadia Technology Corporation
Daniel W. Knodle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Photodetecting circuit
Patent number
4,851,689
Issue date
Jul 25, 1989
Alps Electric Co., Ltd.
Kazuo Hasegawa
G01 - MEASURING TESTING
Information
Patent Grant
Double-pass flue gas analyzer
Patent number
4,549,080
Issue date
Oct 22, 1985
Infrared Industries, Inc.
Lowell L. Baskins
G01 - MEASURING TESTING
Information
Patent Grant
Grain quality analyzer
Patent number
4,260,262
Issue date
Apr 7, 1981
Neotec Corporation
Donald R. Webster
G01 - MEASURING TESTING
Information
Patent Grant
Optical analyzer for agricultural products
Patent number
4,040,747
Issue date
Aug 9, 1977
Neotec Corporation
Donald R. Webster
G01 - MEASURING TESTING
Information
Patent Grant
Optical analyzer for agricultural products
Patent number
4,037,970
Issue date
Jul 26, 1977
Neotec Corporation
Donald R. Webster
G01 - MEASURING TESTING
Information
Patent Grant
Optical analysis of biomedical specimens
Patent number
4,017,192
Issue date
Apr 12, 1977
Neotec Corporation
Robert D. Rosenthal
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
3861788
Patent number
3,861,788
Issue date
Jan 21, 1975
G01 - MEASURING TESTING
Patents Applications
last 30 patents