NL59387C - - Google Patents

Info

Publication number
NL59387C
NL59387C NL59387DA NL59387C NL 59387 C NL59387 C NL 59387C NL 59387D A NL59387D A NL 59387DA NL 59387 C NL59387 C NL 59387C
Authority
NL
Netherlands
Application number
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.)
Publication of NL59387C publication Critical patent/NL59387C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/06Telephone receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/02Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/033Headphones for stereophonic communication
    • H04R5/0335Earpiece support, e.g. headbands or neckrests

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
NL59387D 1940-12-23 NL59387C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH883805X 1940-12-23

Publications (1)

Publication Number Publication Date
NL59387C true NL59387C (en:Method)

Family

ID=4545091

Family Applications (1)

Application Number Title Priority Date Filing Date
NL59387D NL59387C (en:Method) 1940-12-23

Country Status (4)

Country Link
BE (1) BE443899A (en:Method)
CH (1) CH219812A (en:Method)
FR (1) FR883805A (en:Method)
NL (1) NL59387C (en:Method)

Also Published As

Publication number Publication date
FR883805A (fr) 1943-07-20
BE443899A (en:Method)
CH219812A (de) 1942-02-28

Similar Documents

Publication Publication Date Title
AT166693B (en:Method)
BE440256A (en:Method)
BE437891A (en:Method)
BE443899A (en:Method)
BE220358A (en:Method)
BE375327A (en:Method)
BE432598A (en:Method)
BE436800A (en:Method)
BE437143A (en:Method)
BE437800A (en:Method)
BE437808A (en:Method)
BE437917A (en:Method)
BE438183A (en:Method)
BE438273A (en:Method)
BE438314A (en:Method)
BE438353A (en:Method)
BE438393A (en:Method)
BE438615A (en:Method)
BE438632A (en:Method)
BE438942A (en:Method)
BE439070A (en:Method)
BE439082A (en:Method)
BE439223A (en:Method)
BE439282A (en:Method)
BE439378A (en:Method)