BE803885A - Microphone a charbon incorpore a la capsule, dans un combine telephonique notamment - Google Patents

Microphone a charbon incorpore a la capsule, dans un combine telephonique notamment

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
English (en)
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/fr

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 Microphone a charbon incorpore a la capsule, dans un combine telephonique notamment BE803885A (fr)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=5857860

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134815A BE803885A (fr) 1972-09-29 1973-08-22 Microphone a charbon incorpore a la capsule, dans un combine telephonique notamment

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503828C3 (de) * 1975-01-30 1983-04-21 Friedrich Reiner Telefonfabrik Permanentdynamische elektroakustische Wandlerkapsel
DE2557023C2 (de) * 1975-12-18 1982-06-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Elektroakustischer Wandler
FR3132958B1 (fr) 2022-02-23 2024-01-19 Psa Automobiles Sa Procédé et dispositif de communication de données par sélection d’au moins un radar dans une pluralité de radars d’un véhicule

Also Published As

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

Similar Documents

Publication Publication Date Title
IL42481A0 (en) A telephone headset
BE797074A (nl) Luidsprekend telefoontoestel
CA993582A (en) Loud speaking telephone set
ZA717068B (en) Telephone dialling system
IT951745B (it) Dispositivo per videotelefono
NL7500501A (nl) Telefoonkiessysteem.
ES189231Y (es) Una camara fotografica.
CA990422A (fr) Dispositif de detection du bouclage d'une ligne telephonique d'abonne
NL169809C (nl) Luidsprekend telefoontoestel.
CA984070A (en) Telephone switchhook with bi-directional operation
BG20417A4 (bg) Елктроакустичен преобразовател, по-специално микрофон за телефонни уредби
NL158983B (nl) Pcm-tijdmultiplexstelsel.
AT324458B (de) Sprechkapsel, insbesondere zum einsetzen in einen fernsprech-handapparat
ATA1079972A (de) Fernsprechhandapparat
AU475146B2 (en) Automatic telephone exchanges
CH555121A (de) Muenzfernsprecher.
IT1001915B (it) Microfono a carbone
CH552309A (de) Sprechfunkgeraet.
BE802572A (fr) Perfectionnements relatifs aux telephones
AU5812173A (en) Telephone handsets
CA976286A (en) Telephone line loop extender
ES182245Y (es) Telefono acustico perfeccionado.
ES186101Y (es) Directorio telefonico.
CA905162A (en) Telephone ringer cam
ES178615Y (es) Telefono parlante de juguete.