JPS5623360B2 - - Google Patents

Info

Publication number
JPS5623360B2
JPS5623360B2 JP11698077A JP11698077A JPS5623360B2 JP S5623360 B2 JPS5623360 B2 JP S5623360B2 JP 11698077 A JP11698077 A JP 11698077A JP 11698077 A JP11698077 A JP 11698077A JP S5623360 B2 JPS5623360 B2 JP S5623360B2
Authority
JP
Japan
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
JP11698077A
Other languages
Japanese (ja)
Other versions
JPS5357020A (en
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
Publication of JPS5357020A publication Critical patent/JPS5357020A/ja
Publication of JPS5623360B2 publication Critical patent/JPS5623360B2/ja
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
    • 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

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (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)
JP11698077A 1976-11-01 1977-09-30 Receiver system Granted JPS5357020A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5357020A JPS5357020A (en) 1978-05-24
JPS5623360B2 true JPS5623360B2 (el) 1981-05-30

Family

ID=24963548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11698077A Granted JPS5357020A (en) 1976-11-01 1977-09-30 Receiver system

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5954039U (ja) * 1982-09-30 1984-04-09 株式会社ノーリツ 循環給湯風呂釜
JPS63132241U (el) * 1987-02-20 1988-08-30

Families Citing this family (7)

* 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
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
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
WO2021117715A1 (ja) * 2019-12-10 2021-06-17 テルモ株式会社 包装箱および包装箱にて包装された医療用器材

Citations (2)

* 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
JPS4990103A (el) * 1972-12-26 1974-08-28

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132445Y2 (el) * 1971-04-09 1976-08-13
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

Patent Citations (2)

* 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
JPS4990103A (el) * 1972-12-26 1974-08-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5954039U (ja) * 1982-09-30 1984-04-09 株式会社ノーリツ 循環給湯風呂釜
JPS63132241U (el) * 1987-02-20 1988-08-30

Also Published As

Publication number Publication date
JPS5357020A (en) 1978-05-24
DE2748288C2 (el) 1989-11-02
GB1589691A (en) 1981-05-20
AT358927B (de) 1980-10-10
FR2369766A1 (fr) 1978-05-26
ATA763477A (de) 1980-02-15
FR2369766B1 (el) 1984-03-23
CH622395A5 (en) 1981-03-31
DE2748288A1 (de) 1978-05-03
CA1091588A (en) 1980-12-16
IT1088164B (it) 1985-06-10

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