IT1088164B - Sistema ricevitore del suono con eliminazione di banda direzionale prescelta - Google Patents

Sistema ricevitore del suono con eliminazione di banda direzionale prescelta

Info

Publication number
IT1088164B
IT1088164B IT29172/77A IT2917277A IT1088164B IT 1088164 B IT1088164 B IT 1088164B IT 29172/77 A IT29172/77 A IT 29172/77A IT 2917277 A IT2917277 A IT 2917277A IT 1088164 B IT1088164 B IT 1088164B
Authority
IT
Italy
Prior art keywords
receiver system
sound receiver
band elimination
selected directional
directional band
Prior art date
Application number
IT29172/77A
Other languages
English (en)
Italian (it)
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of IT1088164B publication Critical patent/IT1088164B/it

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
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT29172/77A 1976-11-01 1977-10-31 Sistema ricevitore del suono con eliminazione di banda direzionale prescelta IT1088164B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73734776A 1976-11-01 1976-11-01

Publications (1)

Publication Number Publication Date
IT1088164B true IT1088164B (it) 1985-06-10

Family

ID=24963548

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29172/77A IT1088164B (it) 1976-11-01 1977-10-31 Sistema ricevitore del suono con eliminazione di banda direzionale prescelta

Country Status (8)

Country Link
JP (1) JPS5357020A (ja)
AT (1) AT358927B (ja)
CA (1) CA1091588A (ja)
CH (1) CH622395A5 (ja)
DE (1) DE2748288A1 (ja)
FR (1) FR2369766A1 (ja)
GB (1) GB1589691A (ja)
IT (1) IT1088164B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334740A (en) * 1978-09-12 1982-06-15 Polaroid Corporation Receiving system having pre-selected directional response
JPS5910119B2 (ja) * 1979-04-26 1984-03-07 日本ビクター株式会社 可変指向性マイクロホン
DE3020247C2 (de) * 1980-05-28 1982-09-02 Franz Vertriebsgesellschaft mbH, 7634 Kippenheim Verfahren und Anordnung zur Umwandlung von Schallwellen in digitale elektrische Signale mit Hilfe von elektroakustischen Wandlern
JPS5954039U (ja) * 1982-09-30 1984-04-09 株式会社ノーリツ 循環給湯風呂釜
FR2559325B1 (fr) * 1984-02-06 1986-08-22 Renault Appareillage permettant de capter et de transmettre au loin la parole d'une personne placee dans un milieu perturbe afin d'effectuer un traitement de cette parole
JPS63132241U (ja) * 1987-02-20 1988-08-30
US5463694A (en) * 1993-11-01 1995-10-31 Motorola Gradient directional microphone system and method therefor
US5515445A (en) * 1994-06-30 1996-05-07 At&T Corp. Long-time balancing of omni microphones
JPWO2021117715A1 (ja) * 2019-12-10 2021-06-17

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502811A (en) * 1967-12-11 1970-03-24 Bell Telephone Labor Inc Directional microphone with frequency independent beamwidth
JPS5132445Y2 (ja) * 1971-04-09 1976-08-13
JPS4990103A (ja) * 1972-12-26 1974-08-28
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
DE2439634B1 (de) * 1974-08-19 1976-03-18 Schoeps, Karl, Dr.-Ing., 7500 Karlsruhe Anordnung zu gerichtetem schallempfang

Also Published As

Publication number Publication date
CH622395A5 (en) 1981-03-31
DE2748288A1 (de) 1978-05-03
FR2369766A1 (fr) 1978-05-26
GB1589691A (en) 1981-05-20
AT358927B (de) 1980-10-10
DE2748288C2 (ja) 1989-11-02
CA1091588A (en) 1980-12-16
FR2369766B1 (ja) 1984-03-23
JPS5357020A (en) 1978-05-24
JPS5623360B2 (ja) 1981-05-30
ATA763477A (de) 1980-02-15

Similar Documents

Publication Publication Date Title
NL7600177A (nl) Luidsprekerstelsel.
NL7806156A (nl) Luidsprekersysteem.
IT1123107B (it) Sistema di ricevimento del suono per macchine cinematografiche con risposta direzionale preselezionata
NO144505C (no) Mottager.
AT365020B (de) Funksystem
SE7609324L (sv) Mottagare for radiosignaler
NL7701434A (nl) Luidsprekersysteem.
NL188197C (nl) Signaalontvanger.
DK335175A (da) Modtaktforsterker
NL188876C (nl) Radio-ontvanger.
NL7702803A (nl) Omnifonisch microfoon- of luidsprekerstelsel.
IT1088164B (it) Sistema ricevitore del suono con eliminazione di banda direzionale prescelta
NL7702202A (nl) Luidspreker-systeem.
SE7610763L (sv) Radiomottagare
NL189637C (nl) Radio-ontvanger.
NL7802532A (nl) Luidsprekersysteem.
DK132477C (da) Lydbandapparat
NL7709527A (nl) Luidsprekersysteem.
MX147212A (es) Sistema radiofonico
SE7506924L (sv) Anordning for riktad ljudmottagning.
DD130523A5 (de) Beschallungssystem
SE7613094L (sv) Radiotransmissionsanleggning
SE7703768L (sv) Mottakt-b-effektforsterkare
NL188972C (nl) Radio-ontvanger.
NL7604698A (nl) Am stereo-ontvanger.