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  1. Technology classes
  2. /G · Physics
  3. /G01 · Measuring
  4. /G01J · Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of
  5. /G01J 1/00 · Photometry
  6. /G01J 1/10 · Photometry: by comparison with reference light or electric value provisionally void
  7. /G01J 1/16 · Using electric radiation detectors
  8. /G01J 1/1626 · Arrangements with two photodetectors, the signals of which are compared
  9. /G01J 2001/1636 · One detector directly monitoring the source
  10. /G01J 2001/1642
G01J 2001/1642

And acting on the detecting circuit

Official title: {and acting on the detecting circuit}

G01J2001/1642 (And acting on the detecting circuit) appears on 4 US grants and 1 published applications in this corpus.

Search patents in G01J

Where it sits

  1. GPhysics
  2. G01Measuring
  3. G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of
  4. G01J 1/00Photometry
  5. G01J 1/10Photometry: by comparison with reference light or electric value provisionally void
  6. G01J 1/16Using electric radiation detectors
  7. G01J 1/1626Arrangements with two photodetectors, the signals of which are compared
  8. G01J 2001/1636One detector directly monitoring the source
  9. G01J 2001/1642And acting on the detecting circuit
Granted patents
4
Published applications
1
Assignees
3
Inventors
6
Latest grant
25 Aug 2015

Filings by year

Granted patentsPublished applications
G01J 2001/1642: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
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201511

1988199820082015

By publication year. Applications have been published since 2001.

Recent patents

  • Integrated optical illumination reference source25 Aug 2015US 9,116,038 B2International Business Machines Corporation
  • Fluorescence spectrophotometer16 Mar 1993US 5,194,916 AShimadzu Corporation
  • Spectrophotometer comprising a xenon flashtube as a light source1 May 1990US 4,921,351 AKurashiki Boseki Kabushiki Kaisha
  • Optical scanning device9 Aug 1988US 4,762,412 AShimadzu Corporation
  • Integrated optical illumination reference source19 Feb 2015US 2015/0049336 A1International Business Machines Corporation

Most cited

By later US patents
  • Spectrophotometer comprising a xenon flashtube as a light source13US 4,921,351 AKurashiki Boseki Kabushiki Kaisha · 1990
  • Optical scanning device11US 4,762,412 AShimadzu Corporation · 1988
  • Fluorescence spectrophotometer7US 5,194,916 AShimadzu Corporation · 1993

Top assignees

Documents
  • International Business Machines Corporation2
  • Shimadzu Corporation2
  • KBKurashiki Boseki Kabushiki Kaisha1

Often classified with

  • G01NInvestigating or analysing materials by determining their chemical or physical properties4
  • F21VFunctional features or details of lighting devices or systems thereof2

Documents that also carry the other class.

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