FR2282768B1 - - Google Patents

Info

Publication number
FR2282768B1
FR2282768B1 FR7525837A FR7525837A FR2282768B1 FR 2282768 B1 FR2282768 B1 FR 2282768B1 FR 7525837 A FR7525837 A FR 7525837A FR 7525837 A FR7525837 A FR 7525837A FR 2282768 B1 FR2282768 B1 FR 2282768B1
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
FR7525837A
Other languages
French (fr)
Other versions
FR2282768A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2282768A1 publication Critical patent/FR2282768A1/fr
Application granted granted Critical
Publication of FR2282768B1 publication Critical patent/FR2282768B1/fr
Granted 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR7525837A 1974-08-19 1975-08-14 Dispositif pour la reception du son Granted FR2282768A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742439634 DE2439634B1 (de) 1974-08-19 1974-08-19 Anordnung zu gerichtetem schallempfang

Publications (2)

Publication Number Publication Date
FR2282768A1 FR2282768A1 (fr) 1976-03-19
FR2282768B1 true FR2282768B1 (sv) 1980-04-11

Family

ID=5923514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525837A Granted FR2282768A1 (fr) 1974-08-19 1975-08-14 Dispositif pour la reception du son

Country Status (4)

Country Link
AT (1) AT348606B (sv)
DE (1) DE2439634B1 (sv)
FR (1) FR2282768A1 (sv)
SE (1) SE398189B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689371B (zh) * 2002-08-09 2010-05-26 舒尔·阿奎西什控股公司 采用谐波联网的延迟网络麦克风

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1091588A (en) * 1976-11-01 1980-12-16 William R. Wray Receiving system having a pre-selected directional rejection characteristic
JPS5939198A (ja) * 1982-08-27 1984-03-03 Victor Co Of Japan Ltd マイクロホン装置
DE8529437U1 (de) * 1985-10-16 1987-06-11 Siemens AG, 1000 Berlin und 8000 München Richtmikrofon
US5463694A (en) * 1993-11-01 1995-10-31 Motorola Gradient directional microphone system and method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689371B (zh) * 2002-08-09 2010-05-26 舒尔·阿奎西什控股公司 采用谐波联网的延迟网络麦克风

Also Published As

Publication number Publication date
SE7506924L (sv) 1976-02-20
DE2439634B1 (de) 1976-03-18
FR2282768A1 (fr) 1976-03-19
AT348606B (de) 1979-02-26
SE398189B (sv) 1977-12-05
ATA445675A (de) 1978-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse