NL85836C - - Google Patents

Info

Publication number
NL85836C
NL85836C NL85836DA NL85836C NL 85836 C NL85836 C NL 85836C NL 85836D A NL85836D A NL 85836DA NL 85836 C NL85836 C NL 85836C
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 NL85836C publication Critical patent/NL85836C/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
NL85836D 1954-07-23 NL85836C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL331379X 1954-07-23

Publications (1)

Publication Number Publication Date
NL85836C true NL85836C (enrdf_load_stackoverflow)

Family

ID=19784383

Family Applications (1)

Application Number Title Priority Date Filing Date
NL85836D NL85836C (enrdf_load_stackoverflow) 1954-07-23

Country Status (5)

Country Link
US (1) US2852627A (enrdf_load_stackoverflow)
BE (1) BE540009A (enrdf_load_stackoverflow)
CH (1) CH331379A (enrdf_load_stackoverflow)
GB (1) GB791295A (enrdf_load_stackoverflow)
NL (1) NL85836C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179749A (en) * 1960-03-03 1965-04-20 Milton L Snow Telephone instrument controlling device
NL274625A (enrdf_load_stackoverflow) * 1961-02-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1644788A (en) * 1922-12-08 1927-10-11 Western Electric Co Acoustic device
US2249161A (en) * 1939-05-19 1941-07-15 Bell Telephone Labor Inc Electroacoustic device

Also Published As

Publication number Publication date
BE540009A (enrdf_load_stackoverflow)
US2852627A (en) 1958-09-16
GB791295A (en) 1958-02-26
CH331379A (de) 1958-07-15

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