Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
  • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
  • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D213/86—Hydrazides; Thio or imino analogues thereof
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J31/00—Cathode ray tubes; Electron beam tubes
  • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
  • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
  • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
  • H01J31/14—Magic-eye or analogous tuning indicators
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J3/00—Continuous tuning
  • H03J3/02—Details
  • H03J3/12—Electrically-operated arrangements for indicating correct tuning
  • H03J3/14—Visual indication, e.g. magic eye

Landscapes

• Organic Chemistry (AREA)
• Chemical & Material Sciences (AREA)
• Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
• Measurement Of Radiation (AREA)
• Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
• Video Image Reproduction Devices For Color Tv Systems (AREA)
• Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
• Radiation-Therapy Devices (AREA)
• Details Of Television Scanning (AREA)
• Control Of Indicators Other Than Cathode Ray Tubes (AREA)
• Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
• Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
• Devices For Indicating Variable Information By Combining Individual Elements (AREA)
• Apparatus For Radiation Diagnosis (AREA)

Applications Claiming Priority (8)

Publications (1)

Family

ID=32913417

Family Applications (7)

Family Applications Before (1)

Family Applications After (5)

Country Status (10)

Families Citing this family (18)

Family Cites Families (27)

• 0
  • NL NL78923D patent/NL78923C/xx active
  • BE BE501568D patent/BE501568A/xx unknown
  • BE BE504546D patent/BE504546A/xx unknown
  • BE BE501567D patent/BE501567A/xx unknown
  • NL NL81844D patent/NL81844C/xx active
  • DE DEST19796A patent/DE1252326B/de active Pending
  • NL NL7811513.A patent/NL168257B/xx unknown
  • BE BE512116D patent/BE512116A/xx unknown
  • NL NL76700D patent/NL76700C/xx active
  • NL NL7312698.A patent/NL159457B/xx unknown
  • NL NL89130D patent/NL89130C/xx active
  • BE BE513971D patent/BE513971A/xx unknown
  • BE BE507046D patent/BE507046A/xx unknown
• 1940
  • 1940-07-23 US US346918A patent/US2317460A/en not_active Expired - Lifetime
• 1941
  • 1941-12-20 US US423705A patent/US2394857A/en not_active Expired - Lifetime
• 1950
  • 1950-07-08 DE DEL14079U patent/DE1790489U/de not_active Expired
• 1951
  • 1951-02-02 US US209146A patent/US2749465A/en not_active Expired - Lifetime
  • 1951-02-16 GB GB3818/51A patent/GB727133A/en not_active Expired
  • 1951-02-23 GB GB4468/51A patent/GB700192A/en not_active Expired
  • 1951-02-28 FR FR61447D patent/FR61447E/fr not_active Expired
  • 1951-02-28 FR FR1033240D patent/FR1033240A/fr not_active Expired
  • 1951-06-29 GB GB15488/51A patent/GB703660A/en not_active Expired
  • 1951-07-06 FR FR65210D patent/FR65210E/fr not_active Expired
  • 1951-11-02 GB GB26285/51A patent/GB742466A/en not_active Expired
  • 1951-11-09 FR FR65361D patent/FR65361E/fr not_active Expired
  • 1951-11-10 US US256941A patent/US2712612A/en not_active Expired - Lifetime
  • 1951-11-30 GB GB28149/51A patent/GB721460A/en not_active Expired
• 1952
  • 1952-03-20 FR FR1059872D patent/FR1059872A/fr not_active Expired
  • 1952-03-21 GB GB7382/52A patent/GB730548A/en not_active Expired
  • 1952-08-01 GB GB19518/53A patent/GB737668A/en not_active Expired
  • 1952-08-30 US US307188A patent/US2820916A/en not_active Expired - Lifetime
  • 1952-09-01 FR FR65462D patent/FR65462E/fr not_active Expired
• 1956
  • 1956-08-24 GB GB25960/56A patent/GB838078A/en not_active Expired
• 1960
  • 1960-04-16 DE DEST16366A patent/DE1121234B/de active Pending
• 1961
  • 1961-04-06 US US101296A patent/US3161800A/en not_active Expired - Lifetime
  • 1961-04-14 GB GB13575/61A patent/GB978223A/en not_active Expired
• 1966
  • 1966-02-11 DE DE19661564490 patent/DE1564490B1/de active Pending
• 1967
  • 1967-02-08 GB GB5965/67A patent/GB1165995A/en not_active Expired
  • 1967-02-08 AT AT119967A patent/AT269298B/de active
  • 1967-02-08 NL NL6701866A patent/NL6701866A/xx unknown
  • 1967-02-08 SE SE1761/67A patent/SE313122B/xx unknown
  • 1967-02-08 CH CH187367A patent/CH455948A/de unknown
  • 1967-02-09 ES ES336625A patent/ES336625A1/es not_active Expired
  • 1967-02-13 FR FR94634A patent/FR1511277A/fr not_active Expired

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