CH225198A - Electroacoustic converter. - Google Patents

Electroacoustic converter.

Info

Publication number
CH225198A
CH225198A CH225198DA CH225198A CH 225198 A CH225198 A CH 225198A CH 225198D A CH225198D A CH 225198DA CH 225198 A CH225198 A CH 225198A
Authority
CH
Switzerland
Prior art keywords
electroacoustic converter
electroacoustic
converter
Prior art date
Application number
Other languages
German (de)
Inventor
Co Henry Heinrich
Original Assignee
Henry Heinrich & Co
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 Henry Heinrich & Co filed Critical Henry Heinrich & Co
Publication of CH225198A publication Critical patent/CH225198A/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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH225198D 1940-06-07 1941-07-14 Electroacoustic converter. CH225198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE70640X 1940-06-07

Publications (1)

Publication Number Publication Date
CH225198A true CH225198A (en) 1943-01-15

Family

ID=5635509

Family Applications (2)

Application Number Title Priority Date Filing Date
CH225198D CH225198A (en) 1940-06-07 1941-07-14 Electroacoustic converter.
CH226810D CH226810A (en) 1940-06-07 1942-06-09 Pipe connection to the vehicle frame.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH226810D CH226810A (en) 1940-06-07 1942-06-09 Pipe connection to the vehicle frame.

Country Status (2)

Country Link
CH (2) CH225198A (en)
FR (1) FR872894A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1044890B (en) * 1953-11-14 1958-11-27 Tesla Np Loudspeaker housings

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164451C (en) * 1969-01-17 1980-12-15 Philips Nv DEVICE FOR CONVERTING ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSUS, INCLUDING A MAGNETIC SYSTEM AND A NON-MAGNETIC CENTER.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1044890B (en) * 1953-11-14 1958-11-27 Tesla Np Loudspeaker housings

Also Published As

Publication number Publication date
CH226810A (en) 1943-04-30
FR872894A (en) 1942-06-22

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