BE803885A - CHARCOAL MICROPHONE INCORPORATED IN THE CAPSULE, IN A TELEPHONE HANDSET IN PARTICULAR - Google Patents

CHARCOAL MICROPHONE INCORPORATED IN THE CAPSULE, IN A TELEPHONE HANDSET IN PARTICULAR

Info

Publication number
BE803885A
BE803885A BE134815A BE134815A BE803885A BE 803885 A BE803885 A BE 803885A BE 134815 A BE134815 A BE 134815A BE 134815 A BE134815 A BE 134815A BE 803885 A BE803885 A BE 803885A
Authority
BE
Belgium
Prior art keywords
charcoal
capsule
telephone handset
microphone incorporated
microphone
Prior art date
Application number
BE134815A
Other languages
French (fr)
Original Assignee
Krone Gmbh
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 Krone Gmbh filed Critical Krone Gmbh
Publication of BE803885A publication Critical patent/BE803885A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • 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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Telephone Set Structure (AREA)
BE134815A 1972-09-29 1973-08-22 CHARCOAL MICROPHONE INCORPORATED IN THE CAPSULE, IN A TELEPHONE HANDSET IN PARTICULAR BE803885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2248023 1972-09-29

Publications (1)

Publication Number Publication Date
BE803885A true BE803885A (en) 1973-12-17

Family

ID=5857860

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134815A BE803885A (en) 1972-09-29 1973-08-22 CHARCOAL MICROPHONE INCORPORATED IN THE CAPSULE, IN A TELEPHONE HANDSET IN PARTICULAR

Country Status (5)

Country Link
AT (1) AT324458B (en)
BE (1) BE803885A (en)
DE (1) DE2248023C2 (en)
FR (1) FR2201602B3 (en)
NL (1) NL7313179A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503828C3 (en) * 1975-01-30 1983-04-21 Friedrich Reiner Telefonfabrik Permanent dynamic electroacoustic transducer capsule
DE2557023C2 (en) * 1975-12-18 1982-06-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Electroacoustic converter
FR3132958B1 (en) 2022-02-23 2024-01-19 Psa Automobiles Sa Method and device for communicating data by selecting at least one radar from a plurality of radars of a vehicle

Also Published As

Publication number Publication date
FR2201602A1 (en) 1974-04-26
AT324458B (en) 1975-09-10
DE2248023C2 (en) 1974-07-11
DE2248023B1 (en) 1973-12-20
NL7313179A (en) 1974-04-02
FR2201602B3 (en) 1976-07-30

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