Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
  • G01R22/02—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electrolytic methods
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
  • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Acoustics & Sound (AREA)
• Signal Processing (AREA)
• Power Engineering (AREA)
• General Physics & Mathematics (AREA)
• Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6352437

Family Applications (1)

Country Status (3)

• 1907
  • 1907-08-28 FR FR381322D patent/FR381322A/fr not_active Expired
• 1931
  • 1931-09-28 GB GB27027/31A patent/GB381322A/en not_active Expired
  • 1931-09-30 BE BE383018D patent/BE383018A/xx unknown
  • 1931-10-06 FR FR723894D patent/FR723894A/fr not_active Expired

Also Published As

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