Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
  • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
  • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
  • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
  • H01J29/021—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof arrangements for eliminating interferences in the tube
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
  • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
  • H01J29/36—Photoelectric screens; Charge-storage screens
  • H01J29/39—Charge-storage screens
  • H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/86—Vessels; Containers; Vacuum locks
  • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
• • 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
  • H01J31/26—Image pick-up tubes having an input of visible light and electric output
  • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
  • H01J31/30—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at anode potential, e.g. iconoscope

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
• Tires In General (AREA)
• Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19787957

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 1939
  • 1939-09-22 NL NL95328A patent/NL64723C/xx active
• 1940
  • 1940-11-11 DE DEP2219D patent/DE1080594B/de active Pending
• 1941
  • 1941-03-13 BE BE440865D patent/BE440865A/xx unknown
  • 1941-05-15 FR FR872140D patent/FR872140A/fr not_active Expired
  • 1941-08-08 GB GB10128/41A patent/GB551014A/en not_active Expired
• 1942
  • 1942-02-02 US US429226A patent/US2325676A/en not_active Expired - Lifetime
• 1946
  • 1946-05-31 GB GB16542/46A patent/GB606489A/en not_active Expired

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