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FR843628A - Perfectionnements aux hauts-parleurs - Google Patents

Perfectionnements aux hauts-parleurs

Info

Publication number
FR843628A
FR843628A FR843628DA FR843628A FR 843628 A FR843628 A FR 843628A FR 843628D A FR843628D A FR 843628DA FR 843628 A FR843628 A FR 843628A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR843628A publication Critical patent/FR843628A/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
    • 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)
FR843628D 1937-09-20 1938-09-19 Perfectionnements aux hauts-parleurs Expired FR843628A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2548537A GB501152A (en) 1937-09-20 1937-09-20 Improvements in loud speakers

Publications (1)

Publication Number Publication Date
FR843628A true FR843628A (fr) 1939-07-06

Family

ID=10228461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843628D Expired FR843628A (fr) 1937-09-20 1938-09-19 Perfectionnements aux hauts-parleurs

Country Status (2)

Country Link
FR (1) FR843628A (fr)
GB (1) GB501152A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945768C (de) * 1949-06-05 1956-07-19 Siemens Ag Aus mehreren in einer Reihe in eine gemeinsame lattenartige Schallwand eingebauten Lautsprechern bestehende Lautsprecher-Gruppenanordnung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199326B (de) * 1956-09-21 1965-08-26 Deutsche Post Inst Lautsprecher, dessen Membranbewegung mechanisch bedaempft ist
GB1456501A (en) * 1988-03-08 1976-11-24 Indep Broadcasting Authority Television apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945768C (de) * 1949-06-05 1956-07-19 Siemens Ag Aus mehreren in einer Reihe in eine gemeinsame lattenartige Schallwand eingebauten Lautsprechern bestehende Lautsprecher-Gruppenanordnung

Also Published As

Publication number Publication date
GB501152A (en) 1939-02-22

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