GB362589A - Improvements in loud speaker horn - Google Patents

Improvements in loud speaker horn

Info

Publication number
GB362589A
GB362589A GB3038130A GB3038130A GB362589A GB 362589 A GB362589 A GB 362589A GB 3038130 A GB3038130 A GB 3038130A GB 3038130 A GB3038130 A GB 3038130A GB 362589 A GB362589 A GB 362589A
Authority
GB
United Kingdom
Prior art keywords
frame
loud speaker
speaker horn
horn
bell portion
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
GB3038130A
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.)
ALEXANDER ISAAC ABRAHAMS
Original Assignee
ALEXANDER ISAAC ABRAHAMS
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 ALEXANDER ISAAC ABRAHAMS filed Critical ALEXANDER ISAAC ABRAHAMS
Priority to GB3038130A priority Critical patent/GB362589A/en
Publication of GB362589A publication Critical patent/GB362589A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

362,589. Sound-magnifying appliances. ABRAHAMS, A. 1., 18, Washington Place, New York, U.S.A. Oct. 10, 1930, No. 30381. [Class 13.] A loud-speaker horn H, made of cloth, paper &c. and preferably of the material described in Specification 233,905, [Class 13 Bells, &c.], consists of a rectangular bell portion 1 and a convoluted horn portion, the narrow end of which extends through the bell portion. The cloth of the bell portion is lapped around a frame 2 as shown in Fig. 2 and this frame is secured to a skeleton frame as shown in Fig. 1.
GB3038130A 1930-10-10 1930-10-10 Improvements in loud speaker horn Expired GB362589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3038130A GB362589A (en) 1930-10-10 1930-10-10 Improvements in loud speaker horn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3038130A GB362589A (en) 1930-10-10 1930-10-10 Improvements in loud speaker horn

Publications (1)

Publication Number Publication Date
GB362589A true GB362589A (en) 1931-12-10

Family

ID=10306776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3038130A Expired GB362589A (en) 1930-10-10 1930-10-10 Improvements in loud speaker horn

Country Status (1)

Country Link
GB (1) GB362589A (en)

Similar Documents

Publication Publication Date Title
GB411851A (en) Improvements in and relating to sound or like air wave echo apparatus
GB362589A (en) Improvements in loud speaker horn
GB233008A (en) Improvements in telephone receivers and like instruments particularly for use in wireless receiving apparatus
GB314691A (en) Diaphragm for loud speakers or the like
GB290387A (en) Improvements in or relating to horns for wireless loud speakers and the like
GB234939A (en) Improvements in or relating to sound reproducing apparatus
GB282296A (en) Improvements in acoustic diaphragms
GB447846A (en) Improvements in and relating to moving-coil loud speakers
GB200333A (en) Improvements in whistling kettles
CA326763A (en) Loud speaker oscillatory member
GB328237A (en) Improvements in or relating to talking machines, and loud speakers
GB164349A (en) Improvements in sound-reproducing machines
GB259966A (en) Diaphragm sound-reproducers for wireless apparatus, gramophones and the like
GB235783A (en) Improvements in or relating to loud speaking telephonic receivers
GB247902A (en) Improvements in or relating to sound reproducing apparatus
CA262009A (en) Loud speaker diaphragm
GB301638A (en) Improvements in or relating to loud speakers
GB300849A (en) A loud speaker for radio-telephonic purposes
CA325710A (en) Loud speaker diaphragm
GB305748A (en) Improvements in and relating to loud speakers
GB279587A (en) Improvements in loud speakers
CA258208A (en) Receiving and transmitting telephone including loud speaker
GB277689A (en) Improvements in telephonic loudspeakers
GB302459A (en) Improvements in cone type loud speakers
GB313282A (en) Improvements relating to loud speakers