Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
  • H04R7/00—Diaphragms for electromechanical transducers; Cones
  • H04R7/16—Mounting or tensioning of diaphragms or cones
  • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
  • H04R7/00—Diaphragms for electromechanical transducers; Cones
  • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
  • H04R7/12—Non-planar diaphragms or cones
  • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Signal Processing (AREA)
• Diaphragms For Electromechanical Transducers (AREA)
• Diaphragms And Bellows (AREA)
• Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=26182663

Family Applications (1)

Country Status (4)

Families Citing this family (1)

• 0
  • BE BE352536D patent/BE352536A/xx unknown
• 1927
  • 1927-10-18 FR FR655114D patent/FR655114A/fr not_active Expired
• 1928
  • 1928-04-06 FR FR35370D patent/FR35370E/fr not_active Expired
  • 1928-07-02 CH CH133241D patent/CH133241A/fr unknown
  • 1928-07-09 GB GB19854/28A patent/GB298977A/en not_active Expired
  • 1928-07-09 GB GB19929/28A patent/GB309156A/en not_active Expired

Also Published As

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