NL20912C - - Google Patents

Info

Publication number
NL20912C
NL20912C NL20912DA NL20912C NL 20912 C NL20912 C NL 20912C NL 20912D A NL20912D A NL 20912DA NL 20912 C NL20912 C NL 20912C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL20912C publication Critical patent/NL20912C/xx

Links

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
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL20912D 1925-06-11 NL20912C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36563A US1630011A (en) 1925-06-11 1925-06-11 Loud speaker

Publications (1)

Publication Number Publication Date
NL20912C true NL20912C (enrdf_load_stackoverflow)

Family

ID=21889291

Family Applications (1)

Application Number Title Priority Date Filing Date
NL20912D NL20912C (enrdf_load_stackoverflow) 1925-06-11

Country Status (6)

Country Link
US (1) US1630011A (enrdf_load_stackoverflow)
BE (1) BE334368A (enrdf_load_stackoverflow)
DE (1) DE509370C (enrdf_load_stackoverflow)
FR (1) FR616419A (enrdf_load_stackoverflow)
GB (1) GB253486A (enrdf_load_stackoverflow)
NL (1) NL20912C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510919B1 (en) 2000-08-30 2003-01-28 Awi Licensing Company Facing system for a flat panel radiator

Also Published As

Publication number Publication date
FR616419A (fr) 1927-02-02
GB253486A (enrdf_load_stackoverflow) 1927-07-13
US1630011A (en) 1927-05-24
DE509370C (de) 1930-10-08
BE334368A (enrdf_load_stackoverflow)

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