CH189747A - Hörer mit durch elektrische Ströme gesteuertem Schallwiedergabesystem. - Google Patents

Hörer mit durch elektrische Ströme gesteuertem Schallwiedergabesystem.

Info

Publication number
CH189747A
CH189747A CH189747DA CH189747A CH 189747 A CH189747 A CH 189747A CH 189747D A CH189747D A CH 189747DA CH 189747 A CH189747 A CH 189747A
Authority
CH
Switzerland
Prior art keywords
handset
sound reproduction
reproduction system
electrical currents
system controlled
Prior art date
Application number
Other languages
English (en)
Inventor
Hausdorf Erich
Original Assignee
Hausdorf Erich
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 Hausdorf Erich filed Critical Hausdorf Erich
Publication of CH189747A publication Critical patent/CH189747A/de

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH189747D 1936-04-27 1936-03-18 Hörer mit durch elektrische Ströme gesteuertem Schallwiedergabesystem. CH189747A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR805511T 1936-04-27

Publications (1)

Publication Number Publication Date
CH189747A true CH189747A (de) 1937-03-15

Family

ID=9251342

Family Applications (1)

Application Number Title Priority Date Filing Date
CH189747D CH189747A (de) 1936-04-27 1936-03-18 Hörer mit durch elektrische Ströme gesteuertem Schallwiedergabesystem.

Country Status (2)

Country Link
CH (1) CH189747A (de)
FR (1) FR805511A (de)

Also Published As

Publication number Publication date
FR805511A (fr) 1936-11-21

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