CH257773A - Electroacoustic converter. - Google Patents

Electroacoustic converter.

Info

Publication number
CH257773A
CH257773A CH257773DA CH257773A CH 257773 A CH257773 A CH 257773A CH 257773D A CH257773D A CH 257773DA CH 257773 A CH257773 A CH 257773A
Authority
CH
Switzerland
Prior art keywords
electroacoustic converter
electroacoustic
converter
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH257773A publication Critical patent/CH257773A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CH257773D 1943-09-28 1946-01-14 Electroacoustic converter. CH257773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB257773X 1943-09-28

Publications (1)

Publication Number Publication Date
CH257773A true CH257773A (en) 1948-10-31

Family

ID=10233117

Family Applications (1)

Application Number Title Priority Date Filing Date
CH257773D CH257773A (en) 1943-09-28 1946-01-14 Electroacoustic converter.

Country Status (5)

Country Link
US (1) US2509224A (en)
BE (1) BE465934A (en)
CH (1) CH257773A (en)
FR (1) FR939106A (en)
GB (1) GB570337A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714134A (en) * 1951-02-27 1955-07-26 Martin L Touger Headset receiver
US3925626A (en) * 1974-02-22 1975-12-09 Jr Robert John Stallings Dynamic speaker having dome diaphragm and basket frequency

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952357A (en) * 1930-09-12 1934-03-27 Columbia Graphophone Co Ltd Electromechanical device
US1954966A (en) * 1931-01-31 1934-04-17 Bell Telephone Labor Inc Sound translating device
US1964606A (en) * 1932-04-12 1934-06-26 Bell Telephone Labor Inc Acoustic device
US2084944A (en) * 1933-07-03 1937-06-22 Lionel B Cornwell Acoustic device
US2095373A (en) * 1934-11-09 1937-10-12 Bendix Radio Corp Sound translating device

Also Published As

Publication number Publication date
US2509224A (en) 1950-05-30
FR939106A (en) 1948-11-04
GB570337A (en) 1945-07-03
BE465934A (en)

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