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  1. Technology classes
  2. /G · Physics
  3. /G03 · Photography
  4. /G03B · Apparatus or arrangements for taking photographs or for projecting or viewing them
  5. /G03B 7/00 · Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
  6. /G03B 7/08 · Control effected solely on the basis of the response, to the intensity
  7. /G03B 7/099 · Arrangement of photoelectric elements in or on the camera
  8. /G03B 7/0993 · In the camera
  9. /G03B 7/0997 · Through the lens [ttl] measuring
  10. /G03B 7/09971 · In mirror-reflex cameras
  11. /G03B 7/09973
G03B 7/09973

Using the mirror as sensor

Official title: {using the mirror as sensor}

G03B7/09973 (Using the mirror as sensor) appears on 4 US grants and 0 published applications in this corpus.

Search patents in G03B

Where it sits

  1. GPhysics
  2. G03Photography
  3. G03BApparatus or arrangements for taking photographs or for projecting or viewing them
  4. G03B 7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
  5. G03B 7/08Control effected solely on the basis of the response, to the intensity
  6. G03B 7/099Arrangement of photoelectric elements in or on the camera
  7. G03B 7/0993In the camera
  8. G03B 7/0997Through the lens [ttl] measuring
  9. G03B 7/09971In mirror-reflex cameras
  10. G03B 7/09973Using the mirror as sensor
Granted patents
4
Published applications
0
Assignees
3
Inventors
4
Latest grant
24 Jul 1984

Filings by year

Granted patentsPublished applications
G03B 7/09973: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198010
198110
198200
198300
198410

197919801981198219831984

By publication year. Applications have been published since 2001.

Recent patents

  • Exposure ascertaining device for cameras24 Jul 1984US 4,461,559 AKonishiroku Photo Industry Co., Ltd.
  • Focusing optical system for single-lens reflex cameras24 Feb 1981US 4,252,424 AOlympus Optical Co., Ltd.
  • Method to control introduction of diffracted beam by means of diffraction element5 Aug 1980US 4,215,924 ACanon Kabushiki Kaisha
  • Device to control introduction of diffracted beam by means of diffraction element30 Oct 1979US 4,172,646 ACanon Kabushiki Kaisha

No published applications in this class yet.

Most cited

By later US patents
  • Method to control introduction of diffracted beam by means of diffraction element12US 4,215,924 ACanon Kabushiki Kaisha · 1980
  • Device to control introduction of diffracted beam by means of diffraction element10US 4,172,646 ACanon Kabushiki Kaisha · 1979
  • Focusing optical system for single-lens reflex cameras1US 4,252,424 AOlympus Optical Co., Ltd. · 1981

Top assignees

Documents
  • Canon Kabushiki Kaisha2
  • KPKonishiroku Photo Industry Co., Ltd.1
  • Olympus Optical Co., Ltd.1

Often classified with

  • G02BOptical elements, systems or apparatus2

Documents that also carry the other class.

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