US1471233A - Sound box for phonographs - Google Patents

Sound box for phonographs Download PDF

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Publication number
US1471233A
US1471233A US580934A US58093422A US1471233A US 1471233 A US1471233 A US 1471233A US 580934 A US580934 A US 580934A US 58093422 A US58093422 A US 58093422A US 1471233 A US1471233 A US 1471233A
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United States
Prior art keywords
sound box
phonographs
diaphragm
bar
sound
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Expired - Lifetime
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US580934A
Inventor
Berg Dana
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Individual
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Individual
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Priority to US580934A priority Critical patent/US1471233A/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Definitions

  • the central 1 I 10 mounting of the stylus har,one or the 0105i portion of-asdiaphrag'm isthemost sensi jects of the invention being to so connect tive to vibrations and-When the vibrations 2 1.
  • V s the stylus bar to the-diaphragm as to insure are ver Wealronlythis central portion i purity of'reproduction, greater volume of Will hegvibrated if the stylusbar is-scon sound than ordinarily, and substantial elimnectedtoithe center of the diaphragm, as

Description

Oct. 16 1923. 1,471,233 V D. BERG SOUND BOX FOR PHONOGRAPHS Filed Aug. 10 1922 Jazzafley 1 nANA ER pr someoonnmsgconoimno. i
r i socia sexton PHOL TOGRAPH SQ "Ap gl icaticji fileil August-10,1922. SeriaI No; 58),934.
To aZZ- whom it may concern: s f V box, as f at" "and has astra'ight, extension 45* Be it known that I,DANA;BnRe,a citizen J bearing againstthediaphragm 2 and eXtendofthel United States, residing at :Fort Coling froniagpoint nearithemarginof thedia f I lins, in thecounty of Larimer and StateiQfphrag hjto afpoint slightly past thecenter T 1 Colorado, have invented a new" and usefulfithereof. The extension of. theJbarQis re-'1 f Sound Box for Phonographsfo f' 1Whiol1 ,the dially disposed and is. attached to thefdiaiv 0 following is aspecification. f i 7 .phragrnin'anylm anner desired, as by means f This invention relatestofsound h'oxesfor" of srivetsfi." 7
phonogra-phs' and more especially ftojxthe It isla well that the central 1 I 10 mounting of the stylus har,one or the 0105i portion of-asdiaphrag'm isthemost sensi jects of the invention being to so connect tive to vibrations and-When the vibrations 2 1. V s the stylus bar to the-diaphragm as to insure are ver Wealronlythis central portion i purity of'reproduction, greater volume of Will hegvibrated if the stylusbar is-scon sound than ordinarily, and substantial elimnectedtoithe center of the diaphragm, as
ination of the harsh secondarvtonesso ordinarily. Consequently the volume or" noticeable where the ordinary sound boxes sound isslight. By extending the stylus bar. at; are employed. u radially along thediaphragm. and securing vVith the foregoing'and. other objects in itthereto,.said diaphragm is vihratedfroni I 7 view, which will appear as'the description the center ma 'point close to the periphery proceeds, the invention consists or certain whenever thebar is vibrated" and, therefore,
novel details of construction and eorn'binaa greater volume.ot'toneianda purer toney tions ofparts which will be hereinafter more 'produced than would be possible with fully described and pointed out in the claim, the ordinary mountingoftbe stylus bar on f it being understood that various changes may the center of the diaphragm. I' T be made in the construction and arrange v Vvhat isfclaimed i514. j r i merit of the. partswi-thin the scope of the. Aphonograph sound box includinga dia- 70 claim. I r i 'phragm, a'stylusholder, a. bar fixed-to and s In the accompanying drawings'the-ipre; ,extendingfrom the holder, said bar having a] ferred form of the invention has 'been shown stra ght: p t ari g hIf gh H i s in said drawings r s I I 'lengthagainst and extending radially along 3 Figure l is an 'elevation of'a sound box the diaphragm from a point adjacent the 5 7 having the presentimprovements combined en P h I'B f a d' across h n r: 7 therewith. 1 Y to a'point adjacent the periphery of the .diai t FigureQ is a'section .on line 22, Fig-fl phragm, and. meansfor securing said? ure 1. Y V straight'portiontogthe diaphragm *1:
Referring to the figures byflcharacters'ot In testimony that I fcla'im'the foregoing reference, 1 designates the'jusual sound box as my oWn,1'I have heretoafiixed my sigf structure having a diaphragm 2 secured natureinthepresence'of'threewitnesses. therein in any preferred mannen A stylus I i ANA'BERGI holder 3 is movably connectedto the sound box by. hearing members 2 and fixed rela- Witnesses I I tive to and extending from this holder is', CHARLES F. DAVIS, a stylus bar 4. Said bar-is shaped 'to bridge GEOJA. WEBB,
' around the marginal'portion of'thesound' iOS CAR J. Mnvosn." i
US580934A 1922-08-10 1922-08-10 Sound box for phonographs Expired - Lifetime US1471233A (en)

Priority Applications (1)

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US580934A US1471233A (en) 1922-08-10 1922-08-10 Sound box for phonographs

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US580934A US1471233A (en) 1922-08-10 1922-08-10 Sound box for phonographs

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US1471233A true US1471233A (en) 1923-10-16

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