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
  • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
  • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K25/00—Pulse counters with step-by-step integration and static storage; Analogous frequency dividers
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K7/00—Modulating pulses with a continuously-variable modulating signal
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
  • H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B14/00—Transmission systems not characterised by the medium used for transmission
  • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Manipulation Of Pulses (AREA)
• Electrostatic Separation (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19781891

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (4)

• 0
  • NL NL84018D patent/NL84018C/xx active
  • BE BE469303D patent/BE469303A/xx unknown
• 1946
  • 1946-11-01 CH CH270141D patent/CH270141A/fr unknown
  • 1946-11-22 US US711689A patent/US2500863A/en not_active Expired - Lifetime
• 1947
  • 1947-02-07 FR FR942949D patent/FR942949A/fr not_active Expired
• 1948
  • 1948-11-02 DE DEP20326D patent/DE839812C/de not_active Expired

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