using variation of intensity or distance of source

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GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J1/00Photometry

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G01J1/28using variation of intensity or distance of source

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Patents Grantslast 30 patents

Information Patent Grant
Variable modulation of radiation and components
- Patent number 9,891,427
- Issue date Feb 13, 2018
- Halliburton Energy Services, Inc.
- David L. Perkins
- G02 - OPTICS
Information Patent Grant
Variable modulation of radiation and components
- Patent number 9,519,133
- Issue date Dec 13, 2016
- Halliburton Energy Services, Inc.
- David L. Perkins
- G02 - OPTICS
Information Patent Grant
Test apparatus, test method, and device interface for testing a dev...
- Patent number 8,885,157
- Issue date Nov 11, 2014
- Advantest Corporation
- Shin Masuda
- G01 - MEASURING TESTING
Information Patent Grant
Optical proximity sensor with improved dynamic range and sensitivity
- Patent number 8,692,200
- Issue date Apr 8, 2014
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Qian Tao
- G01 - MEASURING TESTING
Information Patent Grant
Image reading device, computer readable medium, and light amount ad...
- Patent number 8,367,997
- Issue date Feb 5, 2013
- Fuji Xerox Co., Ltd.
- Hideo Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic device having LED with variable brightness
- Patent number 7,968,835
- Issue date Jun 28, 2011
- Hewlett-Packard Development Company, L.P.
- Leonard Tsai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for equalizing illumination of light sources f...
- Patent number 7,522,280
- Issue date Apr 21, 2009
- Emerging Memory & Logic Solution, Inc.
- Sung Kwan Kang
- F21 - LIGHTING
Information Patent Grant
In situ optical surface temperature measuring techniques and devices
- Patent number 7,374,335
- Issue date May 20, 2008
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Grant
Optical disc recorder with recording modality switching for high qu...
- Patent number 7,088,665
- Issue date Aug 8, 2006
- Yamaha Corporation
- Atsushi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
In situ optical surface temperature measuring techniques and devices
- Patent number 7,080,940
- Issue date Jul 25, 2006
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Grant
In situ optical surface temperature measuring techniques and devices
- Patent number 6,572,265
- Issue date Jun 3, 2003
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Grant
Multiple sensor lux reader and averager
- Patent number 6,307,331
- Issue date Oct 23, 2001
- Leviton Manufacturing Co., Inc.
- Gaetano Bonasia
- G01 - MEASURING TESTING
Information Patent Grant
Low-level lighting comparator
- Patent number 5,926,265
- Issue date Jul 20, 1999
- The United States of America as represented by the Secretary of the Air Force
- Harry L. Task
- G01 - MEASURING TESTING
Information Patent Grant
Input screen for radiological image intensifier tube utilizing an a...
- Patent number 5,146,076
- Issue date Sep 8, 1992
- Thomson Tubes Electroniques
- Yvan Raverdy
- G01 - MEASURING TESTING
Information Patent Grant
3205796
- Patent number 3,205,796
- Issue date Sep 14, 1965
- G01 - MEASURING TESTING
Information Patent Grant
3125625
- Patent number 3,125,625
- Issue date Mar 17, 1964
- G01 - MEASURING TESTING
Information Patent Grant
3087379
- Patent number 3,087,379
- Issue date Apr 30, 1963
- G01 - MEASURING TESTING
Information Patent Grant
3058389
- Patent number 3,058,389
- Issue date Oct 16, 1962
- G01 - MEASURING TESTING
Information Patent Grant
2359873
- Patent number 2,359,873
- Issue date Oct 10, 1944
- G01 - MEASURING TESTING
Information Patent Grant
2282253
- Patent number 2,282,253
- Issue date May 5, 1942
- G01 - MEASURING TESTING
Information Patent Grant
2172634
- Patent number 2,172,634
- Issue date Sep 12, 1939
- G01 - MEASURING TESTING
Information Patent Grant
1731134
- Patent number 1,731,134
- Issue date Oct 8, 1929
- G01 - MEASURING TESTING
Information Patent Grant
1297260
- Patent number 1,297,260
- Issue date Mar 11, 1919
- G01 - MEASURING TESTING
Information Patent Grant
1208279
- Patent number 1,208,279
- Issue date Dec 12, 1916
- G01 - MEASURING TESTING
Information Patent Grant
1015515
- Patent number 1,015,515
- Issue date Jan 23, 1912
- G01 - MEASURING TESTING
Information Patent Grant
963072
- Patent number 963,072
- Issue date Jul 5, 1910
- G01 - MEASURING TESTING
Information Patent Grant
864102
- Patent number 864,102
- Issue date Aug 20, 1907
- G01 - MEASURING TESTING
Information Patent Grant
712346
- Patent number 712,346
- Issue date Oct 28, 1902
- G01 - MEASURING TESTING
Information Patent Grant
640882
- Patent number 640,882
- Issue date Jan 9, 1900
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical Measurement Instrument, Server Device, and Optical Measurem...
- Publication number 20220317023
- Publication date Oct 6, 2022
- Hitachi, Ltd
- Takuya KAMBAYASHI
- G01 - MEASURING TESTING
Information Patent Application
VARIABLE MODULATION OF RADIATION AND COMPONENTS
- Publication number 20170211976
- Publication date Jul 27, 2017
- Halliburton Energy Services, Inc.
- David L. Perkins
- G02 - OPTICS
Information Patent Application
TEST APPARATUS, TEST METHOD, AND DEVICE INTERFACE
- Publication number 20110279812
- Publication date Nov 17, 2011
- Advantest Corporation
- Shin MASUDA
- G02 - OPTICS
Information Patent Application
Optical Proximity Sensor with Improved Dynamic Range and Sensitivity
- Publication number 20110163233
- Publication date Jul 7, 2011
- Avago Technologies ECBU (Singapore) Pte. Ltd.
- Gek Yong Ng
- G01 - MEASURING TESTING
Information Patent Application
IMAGE READING DEVICE, COMPUTER READABLE MEDIUM, AND LIGHT AMOUNT AD...
- Publication number 20100051782
- Publication date Mar 4, 2010
- FUJI XEROX CO., LTD
- Hideo TAKEUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light on electronic device
- Publication number 20080265131
- Publication date Oct 30, 2008
- Hewlett-Packard Development Company, L.P.
- Leonard Tsai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
IN SITU OPTICAL SURFACE TEMPERATURE MEASURING TECHNIQUES AND DEVICES
- Publication number 20080225926
- Publication date Sep 18, 2008
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR EQUALIZING ILLUMINATION OF LIGHT SOURCES F...
- Publication number 20080137945
- Publication date Jun 12, 2008
- EMERGING MEMORY & LOGIC SOLUTION, INC.
- Sung Kwan KANG
- F21 - LIGHTING
Information Patent Application
In situ optical surface temperature measuring techniques and devices
- Publication number 20060140248
- Publication date Jun 29, 2006
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Application
Laser brightness
- Publication number 20050013341
- Publication date Jan 20, 2005
- Shahin Baghai
- G01 - MEASURING TESTING
Information Patent Application
In situ optical surface temperature measuring techniques and devices
- Publication number 20040258130
- Publication date Dec 23, 2004
- Luxtron Corporation
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Application
In situ optical surface temperature measuring techniques and devices
- Publication number 20030206573
- Publication date Nov 6, 2003
- John P. Gotthold
- G01 - MEASURING TESTING
Information Patent Application
Optical disc recorder
- Publication number 20020100861
- Publication date Aug 1, 2002
- Atsushi Ogawa
- G01 - MEASURING TESTING

using variation of intensity or distance of source

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Variable modulation of radiation and components

Variable modulation of radiation and components

Test apparatus, test method, and device interface for testing a dev...

Optical proximity sensor with improved dynamic range and sensitivity

Image reading device, computer readable medium, and light amount ad...

Electronic device having LED with variable brightness

Apparatus and method for equalizing illumination of light sources f...

In situ optical surface temperature measuring techniques and devices

Optical disc recorder with recording modality switching for high qu...

In situ optical surface temperature measuring techniques and devices

In situ optical surface temperature measuring techniques and devices

Multiple sensor lux reader and averager

Low-level lighting comparator

Input screen for radiological image intensifier tube utilizing an a...

3205796

3125625

3087379

3058389

2359873

2282253

2172634

1731134

1297260

1208279

1015515

963072

864102

712346

640882

Patents Applicationslast 30 patents

Optical Measurement Instrument, Server Device, and Optical Measurem...

VARIABLE MODULATION OF RADIATION AND COMPONENTS

TEST APPARATUS, TEST METHOD, AND DEVICE INTERFACE

Optical Proximity Sensor with Improved Dynamic Range and Sensitivity

IMAGE READING DEVICE, COMPUTER READABLE MEDIUM, AND LIGHT AMOUNT AD...

Light on electronic device

IN SITU OPTICAL SURFACE TEMPERATURE MEASURING TECHNIQUES AND DEVICES

APPARATUS AND METHOD FOR EQUALIZING ILLUMINATION OF LIGHT SOURCES F...

In situ optical surface temperature measuring techniques and devices

Laser brightness

In situ optical surface temperature measuring techniques and devices

In situ optical surface temperature measuring techniques and devices

Optical disc recorder