CH272869A - Device for sound reproduction. - Google Patents

Device for sound reproduction.

Info

Publication number
CH272869A
CH272869A CH272869DA CH272869A CH 272869 A CH272869 A CH 272869A CH 272869D A CH272869D A CH 272869DA CH 272869 A CH272869 A CH 272869A
Authority
CH
Switzerland
Prior art keywords
sound reproduction
reproduction
sound
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Siem Halske
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH272869A publication Critical patent/CH272869A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH272869D 1949-03-30 1950-03-22 Device for sound reproduction. CH272869A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE272869X 1949-03-30
DE160449X 1949-04-16
DE290649X 1949-06-29

Publications (1)

Publication Number Publication Date
CH272869A true CH272869A (en) 1951-01-15

Family

ID=27180882

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272869D CH272869A (en) 1949-03-30 1950-03-22 Device for sound reproduction.

Country Status (2)

Country Link
CH (1) CH272869A (en)
FR (1) FR1015739A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810448A (en) * 1954-12-27 1957-10-22 Willem J D Van Dijck Loud-speaker enclosure
US2888090A (en) * 1949-10-14 1959-05-26 Telefunken Gmbh Loudspeaker arrangement
US3179202A (en) * 1963-04-15 1965-04-20 Argos Products Company Inc Enclosure for focusing a loudspeaker sound column
US3194339A (en) * 1962-06-08 1965-07-13 Electro Voice Loudspeaker system
US3241631A (en) * 1964-01-31 1966-03-22 Manieri Domenico High-fidelity column-type stereomonophonic diffuser with regulated sound deflection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU171882B (en) * 1975-10-22 1978-04-28 Elektroakusztikai Gyar Directional electro-acoustic converter in particular cardiodid acoustic radiator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888090A (en) * 1949-10-14 1959-05-26 Telefunken Gmbh Loudspeaker arrangement
US2810448A (en) * 1954-12-27 1957-10-22 Willem J D Van Dijck Loud-speaker enclosure
US3194339A (en) * 1962-06-08 1965-07-13 Electro Voice Loudspeaker system
US3179202A (en) * 1963-04-15 1965-04-20 Argos Products Company Inc Enclosure for focusing a loudspeaker sound column
US3241631A (en) * 1964-01-31 1966-03-22 Manieri Domenico High-fidelity column-type stereomonophonic diffuser with regulated sound deflection

Also Published As

Publication number Publication date
FR1015739A (en) 1952-10-20

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