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GB1003835A - Improvements in or relating to condenser microphones - Google Patents

Improvements in or relating to condenser microphones

Info

Publication number
GB1003835A
GB1003835A GB28977/62A GB2897762A GB1003835A GB 1003835 A GB1003835 A GB 1003835A GB 28977/62 A GB28977/62 A GB 28977/62A GB 2897762 A GB2897762 A GB 2897762A GB 1003835 A GB1003835 A GB 1003835A
Authority
GB
United Kingdom
Prior art keywords
frequency
microphones
diaphragm
pressure
cut
Prior art date
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
GB28977/62A
Other languages
English (en)
Inventor
William Donald Cragg
Ernest Ronald Cockbain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to BE635450D priority Critical patent/BE635450A/xx
Priority to NL295905D priority patent/NL295905A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB28977/62A priority patent/GB1003835A/en
Priority to SE6471/63A priority patent/SE310190B/xx
Priority to CH920263A priority patent/CH423884A/de
Priority to FR942656A priority patent/FR1365676A/fr
Priority to US297841A priority patent/US3310628A/en
Publication of GB1003835A publication Critical patent/GB1003835A/en
Expired 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
    • 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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB28977/62A 1962-07-27 1962-07-27 Improvements in or relating to condenser microphones Expired GB1003835A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE635450D BE635450A (xx) 1962-07-27
NL295905D NL295905A (xx) 1962-07-27
GB28977/62A GB1003835A (en) 1962-07-27 1962-07-27 Improvements in or relating to condenser microphones
SE6471/63A SE310190B (xx) 1962-07-27 1963-06-12
CH920263A CH423884A (de) 1962-07-27 1963-07-24 Elektrostatische Mikrophonanordnung
FR942656A FR1365676A (fr) 1962-07-27 1963-07-25 Microphone électrostatique
US297841A US3310628A (en) 1962-07-27 1963-07-26 Condenser microphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28977/62A GB1003835A (en) 1962-07-27 1962-07-27 Improvements in or relating to condenser microphones

Publications (1)

Publication Number Publication Date
GB1003835A true GB1003835A (en) 1965-09-08

Family

ID=10284266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28977/62A Expired GB1003835A (en) 1962-07-27 1962-07-27 Improvements in or relating to condenser microphones

Country Status (7)

Country Link
US (1) US3310628A (xx)
BE (1) BE635450A (xx)
CH (1) CH423884A (xx)
FR (1) FR1365676A (xx)
GB (1) GB1003835A (xx)
NL (1) NL295905A (xx)
SE (1) SE310190B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573399A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone
US3573400A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT239339B (de) * 1963-05-20 1965-03-25 Akg Akustische Kino Geraete Schaltungsanordnung zur Unterdrückung des Rauschens in Hochfrequenzschaltungen für Kondensatormikrophone
AT239340B (de) * 1963-05-20 1965-03-25 Akg Akustische Kino Geraete Hochfrequenzschaltung für Kondensatormikrophone
AT239341B (de) * 1963-05-20 1965-03-25 Akg Akustische Kino Geraete Demodulatorschaltung für Kondensatormikrophone in Hochfrequenzschaltung
DE1240128B (de) * 1964-08-01 1967-05-11 Sennheiser Electronic Hochfrequenzkondensatormikrophon mit einem Oszillator und einem angekoppelten, auf dessen Frequenz abgestimmten Schwingkreis, dessen Kapazitaet das Wandlerelement bildet
US3440348A (en) * 1965-06-26 1969-04-22 Shell Oil Co Multivibrator capacitor microphone circuit
US3777079A (en) * 1971-10-21 1973-12-04 Willco Gmbh Directional microphone for head mounted midget hearing aids

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219676A (en) * 1937-12-15 1940-10-29 Alfred W Barber Light modulation system
US2184247A (en) * 1937-12-20 1939-12-19 S N Shure Microphone apparatus
CH281609A (de) * 1949-02-22 1952-03-15 Rundfunk Nordwestdeutscher Verfahren zur Änderung der Richtcharakteristik eines aus mehreren Einzelmikrophonen bestehenden Schallempfängers.
US2787671A (en) * 1952-10-06 1957-04-02 Schall Technik Dr Ing Karl Sch Microphone arrangement
US2920140A (en) * 1958-03-14 1960-01-05 Rca Corp Electrostatic microphone circuits
GB832276A (en) * 1958-12-02 1960-04-06 Standard Telephones Cables Ltd Improvements in or relating to electro-acoustic transducers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573399A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone
US3573400A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone

Also Published As

Publication number Publication date
NL295905A (xx) 1900-01-01
US3310628A (en) 1967-03-21
SE310190B (xx) 1969-04-21
CH423884A (de) 1966-11-15
FR1365676A (fr) 1964-07-03
BE635450A (xx) 1900-01-01

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