CH196405A - Public address system with at least two loudspeakers. - Google Patents

Public address system with at least two loudspeakers.

Info

Publication number
CH196405A
CH196405A CH196405DA CH196405A CH 196405 A CH196405 A CH 196405A CH 196405D A CH196405D A CH 196405DA CH 196405 A CH196405 A CH 196405A
Authority
CH
Switzerland
Prior art keywords
loudspeakers
public address
address system
public
address
Prior art date
Application number
Other languages
German (de)
Inventor
Fuerstenzeller Josef Ing Dipl
Original Assignee
Fuerstenzeller Josef Ing Dipl
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 Fuerstenzeller Josef Ing Dipl filed Critical Fuerstenzeller Josef Ing Dipl
Publication of CH196405A publication Critical patent/CH196405A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
CH196405D 1937-01-29 1937-05-01 Public address system with at least two loudspeakers. CH196405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB271737A GB486801A (en) 1937-01-29 1937-01-29 Improvements in or relating to electrical apparatus for the reproduction of sounds by means of at least two loud-speakers

Publications (1)

Publication Number Publication Date
CH196405A true CH196405A (en) 1938-03-15

Family

ID=9744556

Family Applications (1)

Application Number Title Priority Date Filing Date
CH196405D CH196405A (en) 1937-01-29 1937-05-01 Public address system with at least two loudspeakers.

Country Status (2)

Country Link
CH (1) CH196405A (en)
GB (1) GB486801A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322505A1 (en) * 1975-08-28 1977-03-25 Minnesota Mining & Mfg RIGID MEMBRANE LOUDSPEAKER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322505A1 (en) * 1975-08-28 1977-03-25 Minnesota Mining & Mfg RIGID MEMBRANE LOUDSPEAKER

Also Published As

Publication number Publication date
GB486801A (en) 1938-06-10

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