NL255013A - - Google Patents

Info

Publication number
NL255013A
NL255013A NL255013DA NL255013A NL 255013 A NL255013 A NL 255013A NL 255013D A NL255013D A NL 255013DA NL 255013 A NL255013 A NL 255013A
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 NL255013A publication Critical patent/NL255013A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/06Telephone receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL255013D 1959-08-21 NL255013A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES64546A DE1110686B (de) 1959-08-21 1959-08-21 Elektroakustischer Wandler mit ringfoermigem Anker

Publications (1)

Publication Number Publication Date
NL255013A true NL255013A (en:Method)

Family

ID=7497280

Family Applications (1)

Application Number Title Priority Date Filing Date
NL255013D NL255013A (en:Method) 1959-08-21

Country Status (6)

Country Link
BE (1) BE594093A (en:Method)
CH (1) CH400239A (en:Method)
DE (1) DE1110686B (en:Method)
GB (1) GB917717A (en:Method)
NL (1) NL255013A (en:Method)
SE (1) SE316801B (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015120637A1 (de) * 2015-11-27 2017-06-14 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE500297A (en:Method) * 1951-10-31

Also Published As

Publication number Publication date
GB917717A (en) 1963-02-06
SE316801B (en:Method) 1969-11-03
DE1110686B (de) 1961-07-13
BE594093A (fr) 1960-12-16
CH400239A (de) 1965-10-15

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