AT226290B - Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle - Google Patents

Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle

Info

Publication number
AT226290B
AT226290B AT474961A AT474961A AT226290B AT 226290 B AT226290 B AT 226290B AT 474961 A AT474961 A AT 474961A AT 474961 A AT474961 A AT 474961A AT 226290 B AT226290 B AT 226290B
Authority
AT
Austria
Prior art keywords
sided
directional characteristic
working according
sound receiver
optionally adjustable
Prior art date
Application number
AT474961A
Other languages
German (de)
Inventor
Bernhard Dipl Ing Weingartner
Original Assignee
Akg Akustische Kino Geraete
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 Akg Akustische Kino Geraete filed Critical Akg Akustische Kino Geraete
Priority to AT474961A priority Critical patent/AT226290B/en
Priority to DEA39536A priority patent/DE1162415B/en
Priority to US201958A priority patent/US3223782A/en
Priority to GB23000/62A priority patent/GB1007891A/en
Application granted granted Critical
Publication of AT226290B publication Critical patent/AT226290B/en

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
    • 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
    • H04R1/38—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 in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • 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
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics

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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
AT474961A 1961-06-19 1961-06-19 Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle AT226290B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT474961A AT226290B (en) 1961-06-19 1961-06-19 Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle
DEA39536A DE1162415B (en) 1961-06-19 1962-02-22 Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle
US201958A US3223782A (en) 1961-06-19 1962-06-12 Directional microphone with distance control
GB23000/62A GB1007891A (en) 1961-06-19 1962-06-14 Improvements in an electroacoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT474961A AT226290B (en) 1961-06-19 1961-06-19 Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle

Publications (1)

Publication Number Publication Date
AT226290B true AT226290B (en) 1963-03-11

Family

ID=3567868

Family Applications (1)

Application Number Title Priority Date Filing Date
AT474961A AT226290B (en) 1961-06-19 1961-06-19 Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle

Country Status (4)

Country Link
US (1) US3223782A (en)
AT (1) AT226290B (en)
DE (1) DE1162415B (en)
GB (1) GB1007891A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305638A (en) * 1964-02-17 1967-02-21 Steven D Teachout Condenser microphone circuit with solid electrolyte battery polarizing source
US3777079A (en) * 1971-10-21 1973-12-04 Willco Gmbh Directional microphone for head mounted midget hearing aids
JPS5825675Y2 (en) * 1977-09-07 1983-06-02 松下電器産業株式会社 Polymer piezoelectric transducer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912821C (en) * 1935-11-13 1954-06-03 Siemens Ag Facility for voice transmission from noisy rooms
DE924807C (en) * 1936-10-09 1955-03-07 Siemens Ag Facility for voice transmission from noisy rooms
US2173219A (en) * 1937-05-29 1939-09-19 Rca Corp Electroacoustical apparatus
US2309109A (en) * 1937-06-04 1943-01-26 Rca Corp Microphone
BE441589A (en) * 1939-11-24
CH281609A (en) * 1949-02-22 1952-03-15 Rundfunk Nordwestdeutscher Method for changing the directional characteristic of a sound receiver consisting of several individual microphones
DE927037C (en) * 1949-02-23 1955-04-28 Nordwestdeutscher Rundfunk Capacitive microphone with changeable directional characteristic
DE1044170B (en) * 1952-08-14 1958-11-20 Schoeps Dr Ing Karl Microphone arrangement to achieve a directional characteristic for preferably one-sided sound pick-up
US3061690A (en) * 1958-09-15 1962-10-30 Turner Company Acoustically compensated microphone with adjustable acoustic resistance
NL249090A (en) * 1959-03-04

Also Published As

Publication number Publication date
DE1162415B (en) 1964-02-06
GB1007891A (en) 1965-10-22
US3223782A (en) 1965-12-14

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