DE307602C - - Google Patents

Info

Publication number
DE307602C
DE307602C DENDAT307602D DE307602DA DE307602C DE 307602 C DE307602 C DE 307602C DE NDAT307602 D DENDAT307602 D DE NDAT307602D DE 307602D A DE307602D A DE 307602DA DE 307602 C DE307602 C DE 307602C
Authority
DE
Germany
Prior art keywords
cap
aviator
telephones
tape
sayings
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.)
Active
Application number
DENDAT307602D
Other languages
German (de)
English (en)
Publication of DE307602C publication Critical patent/DE307602C/de
Active 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
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tents Or Canopies (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
DENDAT307602D Active DE307602C (OSRAM)

Publications (1)

Publication Number Publication Date
DE307602C true DE307602C (OSRAM)

Family

ID=560928

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT307602D Active DE307602C (OSRAM)

Country Status (1)

Country Link
DE (1) DE307602C (OSRAM)

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