CH646829A5 - Apparecchio per la ricezione del suono a apertura variabile. - Google Patents

Apparecchio per la ricezione del suono a apertura variabile. Download PDF

Info

Publication number
CH646829A5
CH646829A5 CH146283A CH146283A CH646829A5 CH 646829 A5 CH646829 A5 CH 646829A5 CH 146283 A CH146283 A CH 146283A CH 146283 A CH146283 A CH 146283A CH 646829 A5 CH646829 A5 CH 646829A5
Authority
CH
Switzerland
Prior art keywords
microphone
resonant cavity
resonant
reception
follow
Prior art date
Application number
CH146283A
Other languages
English (en)
Italian (it)
Inventor
Antonio Alberto Grigioni
Original Assignee
Antonio Alberto Grigioni
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 Antonio Alberto Grigioni filed Critical Antonio Alberto Grigioni
Priority to CH146283A priority Critical patent/CH646829A5/it
Priority to DE8484901056T priority patent/DE3475688D1/de
Priority to EP84810128A priority patent/EP0134751A1/de
Priority to AU26569/84A priority patent/AU2656984A/en
Priority to PCT/CH1984/000048 priority patent/WO1984003812A1/de
Priority to EP19840901056 priority patent/EP0140901B1/de
Priority to AT84901056T priority patent/ATE39317T1/de
Publication of CH646829A5 publication Critical patent/CH646829A5/it

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones

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)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Near-Field Transmission Systems (AREA)
CH146283A 1983-03-17 1983-03-17 Apparecchio per la ricezione del suono a apertura variabile. CH646829A5 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH146283A CH646829A5 (it) 1983-03-17 1983-03-17 Apparecchio per la ricezione del suono a apertura variabile.
DE8484901056T DE3475688D1 (en) 1983-03-17 1984-03-19 Variable aperture microphone
EP84810128A EP0134751A1 (de) 1983-03-17 1984-03-19 Mikrophon mit veränderbarer Öffnung
AU26569/84A AU2656984A (en) 1983-03-17 1984-03-19 Appareil pour la reception du son a ouverture variable
PCT/CH1984/000048 WO1984003812A1 (fr) 1983-03-17 1984-03-19 Microphone a ouverture variable
EP19840901056 EP0140901B1 (de) 1983-03-17 1984-03-19 Mikrophon mit veränderbarer öffnung
AT84901056T ATE39317T1 (de) 1983-03-17 1984-03-19 Mikrophon mit veraenderbarer oeffnung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH146283A CH646829A5 (it) 1983-03-17 1983-03-17 Apparecchio per la ricezione del suono a apertura variabile.

Publications (1)

Publication Number Publication Date
CH646829A5 true CH646829A5 (it) 1984-12-14

Family

ID=4211040

Family Applications (1)

Application Number Title Priority Date Filing Date
CH146283A CH646829A5 (it) 1983-03-17 1983-03-17 Apparecchio per la ricezione del suono a apertura variabile.

Country Status (4)

Country Link
EP (2) EP0134751A1 (de)
CH (1) CH646829A5 (de)
DE (1) DE3475688D1 (de)
WO (1) WO1984003812A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923740C1 (de) * 1989-07-18 1990-12-06 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE105942C (de) *
CH196704A (de) * 1937-05-26 1938-03-31 Hugo Meier Horchgerät zum Ermitteln von Geräuschen, insbesondere von herannahenden Flugzeugen.
FR1466506A (fr) * 1965-12-08 1967-01-20 Support pour microphone
US4028504A (en) * 1975-11-12 1977-06-07 Fred M. Dellorfano, Jr., And Donald P. Massa, Trustees Of The Stoneleigh Trust U/D/T Acoustic amplifier combined with transducer shock mount
DE2735104A1 (de) * 1977-08-04 1979-02-15 Braun Ag Mikrophon fuer tonfilmkamera

Also Published As

Publication number Publication date
WO1984003812A1 (fr) 1984-09-27
EP0134751A1 (de) 1985-03-20
EP0140901A1 (de) 1985-05-15
EP0140901B1 (de) 1988-12-14
DE3475688D1 (en) 1989-01-19

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