DE873102C - Koerner-Wandler akustisch-elektrischer Art - Google Patents

Koerner-Wandler akustisch-elektrischer Art

Info

Publication number
DE873102C
DE873102C DEST2547A DEST002547A DE873102C DE 873102 C DE873102 C DE 873102C DE ST2547 A DEST2547 A DE ST2547A DE ST002547 A DEST002547 A DE ST002547A DE 873102 C DE873102 C DE 873102C
Authority
DE
Germany
Prior art keywords
cover plate
microphone according
electrode
rear electrode
housing
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
DEST2547A
Other languages
German (de)
English (en)
Inventor
Dennis Edward Skelton
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of DE873102C publication Critical patent/DE873102C/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DEST2547A 1948-04-23 1950-10-01 Koerner-Wandler akustisch-elektrischer Art Expired DE873102C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB277063X 1948-04-23

Publications (1)

Publication Number Publication Date
DE873102C true DE873102C (de) 1953-04-09

Family

ID=10263970

Family Applications (1)

Application Number Title Priority Date Filing Date
DEST2547A Expired DE873102C (de) 1948-04-23 1950-10-01 Koerner-Wandler akustisch-elektrischer Art

Country Status (5)

Country Link
BE (1) BE488632A (https=)
CH (1) CH277063A (https=)
DE (1) DE873102C (https=)
FR (2) FR984897A (https=)
GB (1) GB670586A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061825B (de) * 1954-02-26 1959-07-23 Hans Widmaier Kohlegriessmikrophon-Sprechkapsel
DE1095318B (de) * 1955-03-18 1960-12-22 Standard Elektrik Lorenz Ag Kohlemikrofon mit beweglicher Tauchelektrode
DE1125485B (de) * 1959-03-25 1962-03-15 Siemens Ag Kohlemikrofon
DE1181745B (de) * 1962-09-15 1964-11-19 Telefonbau Widerstandsmikrofon, insbesondere Kohlemikrofon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952823C (de) * 1953-12-02 1956-11-22 Friedrich Reiner Befestigung von Kohleelektroden an Metall- oder Kunststoffmembranen fuer Kohlekoernermikrofone
DE960998C (de) * 1954-02-26 1957-03-28 Standard Elek K Ag Kohlemikrofon mit beweglicher Tauchelektrode

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061825B (de) * 1954-02-26 1959-07-23 Hans Widmaier Kohlegriessmikrophon-Sprechkapsel
DE1095318B (de) * 1955-03-18 1960-12-22 Standard Elektrik Lorenz Ag Kohlemikrofon mit beweglicher Tauchelektrode
DE1125485B (de) * 1959-03-25 1962-03-15 Siemens Ag Kohlemikrofon
DE1181745B (de) * 1962-09-15 1964-11-19 Telefonbau Widerstandsmikrofon, insbesondere Kohlemikrofon

Also Published As

Publication number Publication date
FR984897A (fr) 1951-07-11
FR63027E (fr) 1955-07-13
BE488632A (https=)
GB670586A (en) 1952-04-23
CH277063A (de) 1951-08-15

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