CH208021A - Device with directional effect for receiving sound waves and converting them into electrical vibrations. - Google Patents

Device with directional effect for receiving sound waves and converting them into electrical vibrations.

Info

Publication number
CH208021A
CH208021A CH208021DA CH208021A CH 208021 A CH208021 A CH 208021A CH 208021D A CH208021D A CH 208021DA CH 208021 A CH208021 A CH 208021A
Authority
CH
Switzerland
Prior art keywords
converting
sound waves
receiving sound
directional effect
electrical vibrations
Prior art date
Application number
Other languages
German (de)
Inventor
America Radio Corporation Of
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of CH208021A publication Critical patent/CH208021A/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
    • H04R1/342—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Exhaust Silencers (AREA)
CH208021D 1937-12-31 1938-12-31 Device with directional effect for receiving sound waves and converting them into electrical vibrations. CH208021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US182721A US2210415A (en) 1937-12-31 1937-12-31 Sound collecting system

Publications (1)

Publication Number Publication Date
CH208021A true CH208021A (en) 1939-12-31

Family

ID=22669723

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208021D CH208021A (en) 1937-12-31 1938-12-31 Device with directional effect for receiving sound waves and converting them into electrical vibrations.

Country Status (3)

Country Link
US (1) US2210415A (en)
CH (1) CH208021A (en)
NL (1) NL54237C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272375B (en) * 1964-12-01 1968-07-11 Akustische Interference microphone with a tube arranged in front of the membrane of the transducer system

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485405A (en) * 1944-04-21 1949-10-18 Stromberg Carlson Co Dipole microphone
US2474384A (en) * 1944-04-28 1949-06-28 Philco Corp High-frequency radiant energy absorbing device
US2528546A (en) * 1944-08-04 1950-11-07 Richard H Ranger Directional sound detection system
US2418964A (en) * 1945-07-09 1947-04-15 David L Arenberg Electromechanical apparatus
US2761137A (en) * 1946-01-05 1956-08-28 Lester C Van Atta Solid dielectric waveguide with metal plating
US2611867A (en) * 1946-08-31 1952-09-23 Alford Andrew Slotted winged cylindrical antenna
US2739659A (en) * 1950-09-05 1956-03-27 Fred B Daniels Acoustic device
US2789651A (en) * 1950-09-05 1957-04-23 Fred B Daniels Acoustic device
US2750567A (en) * 1952-03-15 1956-06-12 Rca Corp Mechanical resonator termination
US2861646A (en) * 1953-07-08 1958-11-25 Bell Telephone Labor Inc Direction finder utilizing elastic waves of transverse mode
US2806544A (en) * 1953-10-15 1957-09-17 Albert L Witchey Sound sources for microphone calibration
US2808584A (en) * 1954-01-29 1957-10-01 Bell Telephone Labor Inc Directional radiator
US2856022A (en) * 1954-08-06 1958-10-14 Electro Sonic Lab Inc Directional acoustic signal transducer
US3054472A (en) * 1955-01-31 1962-09-18 John V Atanasoff Sound discriminating device
DE1073546B (en) * 1955-05-26 1960-01-21 Rudolf Gorike Wien Dr Directional microphone with low vibration and wind sensitivity
US2928490A (en) * 1957-04-30 1960-03-15 Sennheiser Electronic Sound directing apparatus
US3142034A (en) * 1959-02-10 1964-07-21 Miguel C Junger Elastic wave radiator and detector
FR1434103A (en) * 1959-08-10 1966-04-08 Csf Device for excitation of transverse bending acoustic waves in a metal strip
JP2562295B2 (en) * 1985-11-19 1996-12-11 株式会社 オ−デイオテクニカ Narrow directional microphone
JPH0681352B2 (en) * 1985-11-19 1994-10-12 株式会社オ−デイオテクニカ Narrow directional microphone
USD444143S1 (en) 1999-10-08 2001-06-26 Telex Communications, Inc. Microphone
JP1603197S (en) * 2017-06-12 2018-05-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272375B (en) * 1964-12-01 1968-07-11 Akustische Interference microphone with a tube arranged in front of the membrane of the transducer system

Also Published As

Publication number Publication date
US2210415A (en) 1940-08-06
NL54237C (en)

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