FR1587436A - - Google Patents

Info

Publication number
FR1587436A
FR1587436A FR1587436DA FR1587436A FR 1587436 A FR1587436 A FR 1587436A FR 1587436D A FR1587436D A FR 1587436DA FR 1587436 A FR1587436 A FR 1587436A
Authority
FR
France
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
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1587436A publication Critical patent/FR1587436A/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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR1587436D 1967-10-11 1968-10-09 Expired FR1587436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT921167A AT275625B (en) 1967-10-11 1967-10-11 Microphone arrangement for use by two speakers

Publications (1)

Publication Number Publication Date
FR1587436A true FR1587436A (en) 1970-03-20

Family

ID=3612168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1587436D Expired FR1587436A (en) 1967-10-11 1968-10-09

Country Status (4)

Country Link
AT (1) AT275625B (en)
DE (1) DE1801911A1 (en)
FR (1) FR1587436A (en)
GB (1) GB1236773A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136265A (en) * 1977-08-24 1979-01-23 Gentex Corporation Hand-held microphone assembly
GB8417383D0 (en) * 1984-07-07 1984-08-30 Plessey Co Plc Communication apparatus
EP1189479A1 (en) * 2000-09-15 2002-03-20 Phonic Ear, Inc. Wireless transmission communication system
DE102006004488B4 (en) * 2006-02-01 2017-12-14 Sennheiser Electronic Gmbh & Co. Kg microphone

Also Published As

Publication number Publication date
GB1236773A (en) 1971-06-23
AT275625B (en) 1969-10-27
DE1801911A1 (en) 1969-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse