FR1133358A - Récepteurs téléphoniques électromagnétiques à armature équilibrée - Google Patents

Récepteurs téléphoniques électromagnétiques à armature équilibrée

Info

Publication number
FR1133358A
FR1133358A FR1133358DA FR1133358A FR 1133358 A FR1133358 A FR 1133358A FR 1133358D A FR1133358D A FR 1133358DA FR 1133358 A FR1133358 A FR 1133358A
Authority
FR
France
Prior art keywords
balanced armature
telephone receivers
armature electromagnetic
electromagnetic telephone
receivers
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR1133358A publication Critical patent/FR1133358A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1133358D 1955-03-11 1955-03-11 Récepteurs téléphoniques électromagnétiques à armature équilibrée Expired FR1133358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1133358T 1955-03-11

Publications (1)

Publication Number Publication Date
FR1133358A true FR1133358A (fr) 1957-03-26

Family

ID=9638810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1133358D Expired FR1133358A (fr) 1955-03-11 1955-03-11 Récepteurs téléphoniques électromagnétiques à armature équilibrée

Country Status (1)

Country Link
FR (1) FR1133358A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002057A (en) * 1956-03-29 1961-09-26 Vigren Sten Daniel Polarized electromagnetic device
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002057A (en) * 1956-03-29 1961-09-26 Vigren Sten Daniel Polarized electromagnetic device
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer

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