GB443816A - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB443816A
GB443816A GB1661035A GB1661035A GB443816A GB 443816 A GB443816 A GB 443816A GB 1661035 A GB1661035 A GB 1661035A GB 1661035 A GB1661035 A GB 1661035A GB 443816 A GB443816 A GB 443816A
Authority
GB
United Kingdom
Prior art keywords
walls
double
loudspeakers
ostwall
lenzola
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.)
Expired
Application number
GB1661035A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JEAN LENZEN
LENZOLA LAUTSPRECHER FABRIK G
Original Assignee
JEAN LENZEN
LENZOLA LAUTSPRECHER FABRIK G
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 JEAN LENZEN, LENZOLA LAUTSPRECHER FABRIK G filed Critical JEAN LENZEN
Priority to GB1661035A priority Critical patent/GB443816A/en
Publication of GB443816A publication Critical patent/GB443816A/en
Expired 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
    • 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

Abstract

443,816. Horns. LENZOLA LAUTSPRECHER-FABRIK GES., and LENZEN, J., 139, Ostwall, Krefeld, Germany. June 7, 1935, No. 16610. [Class 13] [See also Group XXXIX] A double horn with central diaphragm 3 for a loud - speaker is formed with double walls 2 which are packed with sound-absorbing material. The walls are extended as at 1, 11 to form an enclosing casing 6.
GB1661035A 1935-06-07 1935-06-07 Loudspeakers Expired GB443816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1661035A GB443816A (en) 1935-06-07 1935-06-07 Loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1661035A GB443816A (en) 1935-06-07 1935-06-07 Loudspeakers

Publications (1)

Publication Number Publication Date
GB443816A true GB443816A (en) 1936-03-06

Family

ID=10080431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1661035A Expired GB443816A (en) 1935-06-07 1935-06-07 Loudspeakers

Country Status (1)

Country Link
GB (1) GB443816A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866515A (en) * 1955-11-28 1958-12-30 Robert C Hunter Cone for loud-speaker assembly
US3129782A (en) * 1961-05-04 1964-04-21 James Willis Hughes Public address apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866515A (en) * 1955-11-28 1958-12-30 Robert C Hunter Cone for loud-speaker assembly
US3129782A (en) * 1961-05-04 1964-04-21 James Willis Hughes Public address apparatus

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