Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
  • H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Coils Of Transformers For General Uses (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4518622

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 0
  • BE BE436022D patent/BE436022A/xx unknown
  • NL NL53583D patent/NL53583C/xx active
• 1939
  • 1939-02-10 CH CH239089D patent/CH239089A/de unknown
  • 1939-06-30 CH CH241166D patent/CH241166A/de unknown
  • 1939-08-11 GB GB23227/39A patent/GB533524A/en not_active Expired
  • 1939-08-17 FR FR859133D patent/FR859133A/fr not_active Expired
  • 1939-08-23 US US291625A patent/US2276051A/en not_active Expired - Lifetime
• 1940
  • 1940-05-21 US US336460A patent/US2267241A/en not_active Expired - Lifetime

Also Published As

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