DK103946C - Electroacoustic transducer. - Google Patents

Electroacoustic transducer.

Info

Publication number
DK103946C
DK103946C DK345957AA DK345957A DK103946C DK 103946 C DK103946 C DK 103946C DK 345957A A DK345957A A DK 345957AA DK 345957 A DK345957 A DK 345957A DK 103946 C DK103946 C DK 103946C
Authority
DK
Denmark
Prior art keywords
electroacoustic transducer
electroacoustic
transducer
Prior art date
Application number
DK345957AA
Other languages
Danish (da)
Inventor
Hugh Shaler Knowles
Original Assignee
Hugh Shaler Knowles
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.)
Filing date
Publication date
Application filed by Hugh Shaler Knowles filed Critical Hugh Shaler Knowles
Application granted granted Critical
Publication of DK103946C publication Critical patent/DK103946C/en

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DK345957AA 1956-10-11 1957-10-11 Electroacoustic transducer. DK103946C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US615406A US2966558A (en) 1956-10-11 1956-10-11 Transducer and vibratory diaphragm

Publications (1)

Publication Number Publication Date
DK103946C true DK103946C (en) 1966-03-14

Family

ID=24465236

Family Applications (1)

Application Number Title Priority Date Filing Date
DK345957AA DK103946C (en) 1956-10-11 1957-10-11 Electroacoustic transducer.

Country Status (5)

Country Link
US (1) US2966558A (en)
DE (1) DE1081050B (en)
DK (1) DK103946C (en)
GB (1) GB869234A (en)
NL (1) NL111663C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013127A (en) * 1959-05-27 1961-12-12 Zenith Radio Corp Sound-transducing apparatus
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer
NL282929A (en) * 1961-09-06
US3251954A (en) * 1961-10-27 1966-05-17 Industrial Res Prod Inc Electroacoustic transducer
US3154172A (en) * 1962-07-19 1964-10-27 Tibbetts Industries Diaphragm and impedance means
DK136200B (en) * 1975-12-29 1977-08-29 Finn Gunnersen Hearing aid with acoustic impedance device.
DK148550C (en) * 1981-12-10 1986-04-21 Standard Electric Kirk ELECTRODYNAMIC TRANSDUCER WITH MOBILE COIL
US7751579B2 (en) * 2003-06-13 2010-07-06 Etymotic Research, Inc. Acoustically transparent debris barrier for audio transducers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1366607A (en) * 1921-01-25 Telephone-receiver
US1869178A (en) * 1930-08-15 1932-07-26 Bell Telephone Labor Inc Sound translating device
US1847702A (en) * 1931-05-02 1932-03-01 Bell Telephone Labor Inc Sound translating device
US2022060A (en) * 1934-08-29 1935-11-26 Bell Telephone Labor Inc Acoustic device
US2400281A (en) * 1940-10-31 1946-05-14 Rca Corp Electromechanical signal translating apparatus
US2342334A (en) * 1942-07-11 1944-02-22 Maico Company Inc Variable baffle for translating devices
BE468390A (en) * 1943-12-28
US2503857A (en) * 1945-11-07 1950-04-11 Us Instr Corp Polarized electromagnet for telephone instruments
US2789161A (en) * 1951-04-05 1957-04-16 Joseph B Brennan Loud-speakers

Also Published As

Publication number Publication date
NL111663C (en)
US2966558A (en) 1960-12-27
DE1081050B (en) 1960-05-05
GB869234A (en) 1961-05-31

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