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  1. Technology classes
  2. /H · Electricity
  3. /H01 · Electric elements
  4. /H01J · Electric discharge tubes or discharge lamps
  5. /H01J 31/00 · Cathode ray tubes
  6. /H01J 31/08 · Cathode ray tubes: having a screen on or from which an image
  7. /H01J 31/58 · Tubes for storage of image or information pattern or for conversion of
  8. /H01J 31/60 · Having means for deflecting, either selectively or sequentially, an electron ray on
  9. /H01J 31/62
H01J 31/62

With separate reading and writing rays

Official title: with separate reading and writing rays

H01J31/62 (With separate reading and writing rays) appears on 3 US grants and 0 published applications in this corpus.

Search patents in H01J

Where it sits

  1. HElectricity
  2. H01Electric elements
  3. H01JElectric discharge tubes or discharge lamps
  4. H01J 31/00Cathode ray tubes
  5. H01J 31/08Cathode ray tubes: having a screen on or from which an image
  6. H01J 31/58Tubes for storage of image or information pattern or for conversion of
  7. H01J 31/60Having means for deflecting, either selectively or sequentially, an electron ray on
  8. H01J 31/62With separate reading and writing rays
  9. 1subgroup, listed below
Granted patents
3
Published applications
0
Assignees
3
Inventors
5
Latest grant
3 Apr 1979

Filings by year

Granted patentsPublished applications
H01J 31/62: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197800
197910

1976197719781979

By publication year. Applications have been published since 2001.

Subgroups

Granted patents
  • H01J 31/64On opposite sides of screen3

Recent patents

  • Channel multiplier plate CRT scan converter and scan conversion method3 Apr 1979US 4,147,988 ATektronix, Inc.
  • Digitizing matrix for electron beams14 Dec 1976US 3,997,812 AWestinghouse Electric Corp.
  • Charge storage tube and method for operating the same21 Sep 1976US 3,982,191 AIwatsu Electric Co., Ltd.

No published applications in this class yet.

Most cited

By later US patents
  • Channel multiplier plate CRT scan converter and scan conversion method4US 4,147,988 ATektronix, Inc. · 1979
  • Charge storage tube and method for operating the same3US 3,982,191 AIwatsu Electric Co., Ltd. · 1976
  • Digitizing matrix for electron beams2US 3,997,812 AWestinghouse Electric Corp. · 1976

Top assignees

Documents
  • IEIwatsu Electric Co., Ltd.1
  • Tektronix, Inc.1
  • WEWestinghouse Electric Corp.1

Often classified with

  • G01RMeasuring electric variables1
  • G11CStatic stores1
  • H10DInorganic electric semiconductor devices1

Documents that also carry the other class.

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Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

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