GB315561A - Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds - Google Patents

Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds

Info

Publication number
GB315561A
GB315561A GB1929228A GB1929228A GB315561A GB 315561 A GB315561 A GB 315561A GB 1929228 A GB1929228 A GB 1929228A GB 1929228 A GB1929228 A GB 1929228A GB 315561 A GB315561 A GB 315561A
Authority
GB
United Kingdom
Prior art keywords
horns
gramophones
sounds
reproduction
instruments
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
GB1929228A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1929228A priority Critical patent/GB315561A/en
Publication of GB315561A publication Critical patent/GB315561A/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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Abstract

315,561. Aspden, R. L. July 3, 1928. Horns for granophones are formed in such a manner that the area increases in geometrical progression over a number of sections a, a<1> - - a<10>, the lengths of which decrease in arithmetical or geometrical progression.
GB1929228A 1928-07-03 1928-07-03 Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds Expired GB315561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1929228A GB315561A (en) 1928-07-03 1928-07-03 Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1929228A GB315561A (en) 1928-07-03 1928-07-03 Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds

Publications (1)

Publication Number Publication Date
GB315561A true GB315561A (en) 1929-07-18

Family

ID=10126962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1929228A Expired GB315561A (en) 1928-07-03 1928-07-03 Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds

Country Status (1)

Country Link
GB (1) GB315561A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176731A (en) * 1977-11-21 1979-12-04 Altec Corporation Two-section exponential acoustical horn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176731A (en) * 1977-11-21 1979-12-04 Altec Corporation Two-section exponential acoustical horn

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