CH229642A - Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power. - Google Patents

Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power.

Info

Publication number
CH229642A
CH229642A CH229642DA CH229642A CH 229642 A CH229642 A CH 229642A CH 229642D A CH229642D A CH 229642DA CH 229642 A CH229642 A CH 229642A
Authority
CH
Switzerland
Prior art keywords
transmission device
sound transmission
radiation power
different radiation
horn loudspeaker
Prior art date
Application number
Other languages
German (de)
Inventor
Co Henry-Radio Heinrich
Original Assignee
Henry Radio Heinrich & Co
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 Henry Radio Heinrich & Co filed Critical Henry Radio Heinrich & Co
Publication of CH229642A publication Critical patent/CH229642A/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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH229642D 1941-08-21 1942-08-08 Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power. CH229642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE229642X 1941-08-21

Publications (1)

Publication Number Publication Date
CH229642A true CH229642A (en) 1943-11-15

Family

ID=5867928

Family Applications (1)

Application Number Title Priority Date Filing Date
CH229642D CH229642A (en) 1941-08-21 1942-08-08 Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power.

Country Status (2)

Country Link
CH (1) CH229642A (en)
FR (1) FR884916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays

Also Published As

Publication number Publication date
FR884916A (en) 1943-08-31

Similar Documents

Publication Publication Date Title
CH226583A (en) Decimeter wave transmitter.
BR6460717D0 (en) SOUND WAVE EMITTING DEVICE
CH232943A (en) Device for stereophonic sound reproduction.
CH317527A (en) Electroacoustic converter
AT239345B (en) Electroacoustic transducer combined with electronic device
CH266931A (en) Electroacoustic converter.
FR869355A (en) Telegraph receiving puncher
CH229642A (en) Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power.
CH245420A (en) Electrodynamic speaker.
CH254957A (en) Selective electrical signal receiver.
CH210688A (en) Device on telephone sets with microtelephones.
FR938781A (en) Sound transducer device
NL59483C (en) Sound equipment.
CH257773A (en) Electroacoustic converter.
CH225198A (en) Electroacoustic converter.
FR884487A (en) Directed sound recording device
NL173699B (en) ELECTROACOUSTIC CONVERTER.
CH219703A (en) Device for stereophonic sound transmission.
FR1054269A (en) Sirens for high frequencies with high acoustic power
DK74578C (en) Sound recorder.
DK73087C (en) Sound recorder.
FR892903A (en) Loud speaker
FR865718A (en) Facsimile telegraph transmitters
CH235802A (en) Electro-dynamic equipment for sound recorders and reproducers.
DK84370C (en) Electro-acoustic converter.