FR1181248A - Perfectionnements aux transducteurs - Google Patents

Perfectionnements aux transducteurs

Info

Publication number
FR1181248A
FR1181248A FR1181248DA FR1181248A FR 1181248 A FR1181248 A FR 1181248A FR 1181248D A FR1181248D A FR 1181248DA FR 1181248 A FR1181248 A FR 1181248A
Authority
FR
France
Prior art keywords
transducers
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.)
Cosmocord Ltd
Original Assignee
Cosmocord Ltd
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 Cosmocord Ltd filed Critical Cosmocord Ltd
Application granted granted Critical
Publication of FR1181248A publication Critical patent/FR1181248A/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR1181248D 1956-08-27 1957-08-16 Perfectionnements aux transducteurs Expired FR1181248A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2609056A GB867032A (en) 1956-08-27 1956-08-27 Improvements in and relating to electro-acoustic transducers

Publications (1)

Publication Number Publication Date
FR1181248A true FR1181248A (fr) 1959-06-12

Family

ID=10238211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181248D Expired FR1181248A (fr) 1956-08-27 1957-08-16 Perfectionnements aux transducteurs

Country Status (3)

Country Link
DE (1) DE1070229B (fr)
FR (1) FR1181248A (fr)
GB (1) GB867032A (fr)

Also Published As

Publication number Publication date
DE1070229B (fr)
GB867032A (en) 1961-05-03

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