US919293A - Apparatus for reproducing sound. - Google Patents

Apparatus for reproducing sound. Download PDF

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Publication number
US919293A
US919293A US45336?08A US919293DA US919293A US 919293 A US919293 A US 919293A US 919293D A US919293D A US 919293DA US 919293 A US919293 A US 919293A
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Prior art keywords
sound
arm
diaphragm
stylus
box
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Expired - Lifetime
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US45336?08A
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John Noll
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EMPIRE TALKING MACHINE Co
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EMPIRE TALKING MACHINE Co
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44Styli, e.g. sapphire, diamond
    • G11B3/46Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

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  • My invention relates ,to sound 'reproducers for talking machines, such as phonographs,
  • the principal object of my invention vis to attain a perfectly clear and true reproduction of the original from which the record was made, without having any of the scratch or. rubbing sound, due to the movementof the stylus and the record, reach the sound box and to also insure that the diaphragm in the sound box will be acted upon by the stylus lever to the exact extent nccessery to reproduceperfectly the desired sound as recorded on therecord.
  • my invention consists first, in a sound reproducing apparatus consisting of a sound-box and 1ts attendant stylus-lever,
  • the stylus lever is mountedon a sup-' port independent of the sound-box and adapted toengage the diaphragm in the sound-box.
  • the weight of the sound 0X is'prevented from resting o the stylus and also any direct connection bhlween the stylus lever and the sound-box is avoided whereby the scratch due to the travel .of thestylus on'the record will not be transmitted to the sound box.
  • the sound box as a whole will not vibrate with the movements of the stylus lever.
  • My invention' also consists in the employ-' ment of a non-sound conducting or sound-insulating material between thestylus or the record and the diaphragm, in combination with the independently mounted stylus lever.
  • the objectof this construction is to-absolately insulate the sound-box from any scratchi;
  • the stylus carryinglever is pivoted directly vsound boxfalls on the stylus needle which causes it to press into the record and cause the scratching sound and also undulycutsthe record.
  • a further defect is, p as the gravity arm carr ing.
  • the sound box is also necessarily capab e of swingin about a vertical axis to follow the recor the gravity arm and sound box .vibrate or move bodil with the movements of the stylus lever whic prevents the end of the stylus lever which bears against or is secured to the diaphragm from vibrating the diaphragm to the proper extent to obtain thefull sound which is impressed on the record or to the extent that it would be vibrated were it held still and not subject to any movement other thant-he im-, pulse impressed on it by the free end of the stylus lever, or the end of.
  • the styluslever w rich is secured to it.
  • the diaphragm is moved bodily'at the same time that it is buckled by the end of the stylus lever, thus either decreasing or increasing the extent of its buckling ment of the stylus lever which either accentuates or decreases the height-of the sound wave and does not cause the exact sound to be emitted which isimpressed on the record.
  • i indicates a, hollow arm having a hollowgoose-neck, 9i rigidly secured thereto.
  • arm 1 is pivotally mounted to wing about vertical axis as is usual, said being indicated at 3, but is otherwise held rigid. matter this arm 1 and goose-neck wi termed a rigid arm, by rigid being meant that it is not capable of an up and down movement as is usual for this arm to have in its employment in talking machines.
  • is sound-box a secured to the open end of the g0oseneck 2 is prov. .led with the usual.
  • diaphragm 5 suitably held therein by meansof rubber rings is usual in the art.
  • the stylus lever 9 is secured the arm 7 and fulcrumed on a knife edge 11 as is usual in this art, one end being provided with the usual stylus 12 for following the record 10, the other or free end being held in contact with the diaphragm by means of an adjustable spring 15 as more clearly shown in Fig. 3, the spring acting on the lever between the lnii'f'e edge 11 and the end which bears against the diaphragm 5.
  • lever 9 and the diaphragm is a piece of dead material or a substance which is a very poor conductor of sound or a sound insulator such. as, for instance, a piece of rubber is to the end of the lever 9 and located between the end of the lever and the diaphragm.
  • a po sound conductor between tlie stylus and the diaphragm might be employed, another form being illustrated in Fig. l in which the entire cud of the lever which bears against the diaphragm is constructed of a poor sound conductor such as hard rubber as indicated at 15.
  • My invention is not limited to the Ways of inserting the non-sound conducting material between the stylus and the diapliragni nor to any particular material, but broadly covers the employment of any poor sound conducting material between the stylus and the diaphragm.
  • My invention is also not limited to the exact construction shown. and described, it being capable of v rious modifi interposed between the is constructed with ipatc any mantis cations and uses to adapt it to difierent types of inachines without departing from the it ot'my invention, the one shown merely phragm mounted therein, a stylus lever mounted on an arm independent-of said soundbox and means for keeping one end at said lever pressed against saididiaphragm. in. an apparatus for reproducing sound, the crnnbinatioirof adiaphragm, an arm pivoted to move in a plane parallel with said diaphragm and a stylus lever pivoted on said arm and .phrngin.
  • a sound-conducting rigid arm in an apparatus for reproducing sound, the combination of a sound-conducting rigid arm, a sound-box secured to said rigid arm, a diaphragm in said sound-box, a gravity arm pivotally'mounted on said rigid arm and a stylus lever adapted to press against said diaphragm.
  • a-"sound-hox including a diaphragm, means for supportingsaid sound-box, an arm pivoted to said means and carrying a stylus contacting with but sound insulated from said diaphragm.

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Description

I. NULL AEPARATUS POE REPEODUCXNG SOUND.
APPLIUATION FILED SEPT. 16, 1908 Patensed Apr. 20. 1909.
. 1 UNITE STATES PATENT ormcn JOHN OLL, or BROOKLYN, new YORK, rssicron, BY manor AND MESNE-AS-SIGNMENTS, T EMPIRE TALKING MACHINE COMPANY, or NEW YORK, N. Y. A coRPonA'rIoN on NEW YORK.
LPPARATUS FOR REPRODUCINQ' BOUND.
Specification of Letteraratent.
Patented April 20, 1909.
Application filed September 16, 1908. Serial No. 453,365.
Brooklyn, in the county of Kings and State 'of New York, have invented certain new and useful Improvements in Apparatusfor Reproducing Sounds, of which the following is a specification.
My invention relates ,to sound 'reproducers for talking machines, such as phonographs,
' gramophones and the like.
; Briefly stated, the principal object of my invention vis to attain a perfectly clear and true reproduction of the original from which the record was made, without having any of the scratch or. rubbing sound, due to the movementof the stylus and the record, reach the sound box and to also insure that the diaphragm in the sound box will be acted upon by the stylus lever to the exact extent nccessery to reproduceperfectly the desired sound as recorded on therecord.
To these ends my invention consists first, in a sound reproducing apparatus consisting of a sound-box and 1ts attendant stylus-lever,
wherein the stylus lever is mountedon a sup-' port independent of the sound-box and adapted toengage the diaphragm in the sound-box. B this construction, the weight of the sound 0X is'prevented from resting o the stylus and also any direct connection bhlween the stylus lever and the sound-box is avoided whereby the scratch due to the travel .of thestylus on'the record will not be transmitted to the sound box.- Also as there is no fined connection between the stylus and the sound-bbx, the sound box as a whole will not vibrate with the movements of the stylus lever.
My invention'also consists in the employ-' ment of a non-sound conducting or sound-insulating material between thestylus or the record and the diaphragm, in combination with the independently mounted stylus lever.
The objectof this construction is to-absolately insulate the sound-box from any scratchi;
stylus needle on the record. I
y invention consists also in the details of cpnstruction and combinations of partsthen specified in the claims. 1
n apparatus heretofore employed such asiiconimonly called gramophones, the
sound-box. is mounted on a gravity arm,
hepoinafter more particularly described and r sounds dueto'the travel of. the.
invention. as applied to talking machines that is, an arm which swings vertically, and
the stylus carryinglever is pivoted directly vsound boxfalls on the stylus needle which causes it to press into the record and cause the scratching sound and also undulycutsthe record. A further defect is, p as the gravity arm carr ing. the sound box is also necessarily capab e of swingin about a vertical axis to follow the recor the gravity arm and sound box .vibrate or move bodil with the movements of the stylus lever whic prevents the end of the stylus lever which bears against or is secured to the diaphragm from vibrating the diaphragm to the proper extent to obtain thefull sound which is impressed on the record or to the extent that it would be vibrated were it held still and not subject to any movement other thant-he im-, pulse impressed on it by the free end of the stylus lever, or the end of. the styluslever w rich is secured to it. In-other words, the diaphragm is moved bodily'at the same time that it is buckled by the end of the stylus lever, thus either decreasing or increasing the extent of its buckling ment of the stylus lever which either accentuates or decreases the height-of the sound wave and does not cause the exact sound to be emitted which isimpressed on the record.
due to the move- The above defects are remedied by con structing the apparatus according to my 1nvention detail. t 1 y In the accompanying drawings, Figure l a plan and partial section ofa sound and as hereinafter described'more in reproducing arm constructed'in accordance 'lever,-
In the preferred form ofcarryingout my such asla phonograph or a gramophone, i indicates a, hollow arm having a hollowgoose-neck, 9i rigidly secured thereto. The
arm 1 is pivotally mounted to wing about vertical axis as is usual, said being indicated at 3, but is otherwise held rigid. matter this arm 1 and goose-neck wi termed a rigid arm, by rigid being meant that it is not capable of an up and down movement as is usual for this arm to have in its employment in talking machines. is sound-box a secured to the open end of the g0oseneck 2 is prov. .led with the usual. diaphragm 5 suitably held therein by meansof rubber rings is usual in the art.
7 indicates a gravity arm preferably pivotally mounted on the rigid arm 1 as at '8, and adapted to move in a plane parallel with the diaphragm 5, the said gravity arm carrying the stylus lever S-for transmitting the waves from the record 1O to the diaphragm 5. The stylus lever 9 is secured the arm 7 and fulcrumed on a knife edge 11 as is usual in this art, one end being provided with the usual stylus 12 for following the record 10, the other or free end being held in contact with the diaphragm by means of an adjustable spring 15 as more clearly shown in Fig. 3, the spring acting on the lever between the lnii'f'e edge 11 and the end which bears against the diaphragm 5. The end of the lever 9. preferably merely presses against the diaphragm anu is not secured thereto. lever 9 and the diaphragm is a piece of dead material or a substance which is a very poor conductor of sound or a sound insulator such. as, for instance, a piece of rubber is to the end of the lever 9 and located between the end of the lever and the diaphragm. Obviously other ways of inserting a po sound conductor between tlie stylus and the diaphragm might be employed, another form being illustrated in Fig. l in which the entire cud of the lever which bears against the diaphragm is constructed of a poor sound conductor such as hard rubber as indicated at 15. Also in this figure a modification in the form of spring for pressing the lever against the diaphragm is shown, it being in the form of a spiral spring 16 located between the fulcrum and the end btz lllllg against the diaphragm.
l he gravity arm r Sullicient quantity of metal to 5 sound of the stylus on the record transmitted to it, due to the metallic mounting of the stylus lever thereon and the scratch will therefore not, reach the hollow arm 1 or at least not to any noticeable extent.
My invention is not limited to the Ways of inserting the non-sound conducting material between the stylus and the diapliragni nor to any particular material, but broadly covers the employment of any poor sound conducting material between the stylus and the diaphragm. My invention is also not limited to the exact construction shown. and described, it being capable of v rious modifi interposed between the is constructed with ipatc any mantis cations and uses to adapt it to difierent types of inachines without departing from the it ot'my invention, the one shown merely phragm mounted therein, a stylus lever mounted on an arm independent-of said soundbox and means for keeping one end at said lever pressed against saididiaphragm. in. an apparatus for reproducing sound, the crnnbinatioirof adiaphragm, an arm pivoted to move in a plane parallel with said diaphragm and a stylus lever pivoted on said arm and .phrngin.
t. in an apparatus for reproducing sound the combination of a sound-condueting rigid cooperating with said dia- Ftlilt, a sound-box secured to said rigid arin,
a diaphragm in said sound-box, a ivotally mounted gravity arm and a sty us lever mounted on said gravity arm adapted to en: gage said diaphragm. 4
in an apparatus for reproducing sound, the combination of a sound-conducting rigid arm, a sound-box secured to said rigid arm, a diaphragm in said sound-box, a gravity arm pivotally'mounted on said rigid arm and a stylus lever adapted to press against said diaphragm.
6. in an apparatus for reproducing sound, the combination of a hollow sound-conductrigid arm, a sound-box secured to said 1 arm, a gravity arm free of said soundhas and a stylus arm mounted on said gravity arm.
7. in an apparatus for reproducing sound, the combination of a sound-box provided with a diaphragm, means for supportin said sound box, an arm pivoted on sai means and a stylus lever carried by said arm and cooperating with said diaphragm.
in an apparatus for reproducing sound, the eoi'ubination of a hollow rigid arm, a
sound-box secured to said rigid arm, adiaphragm in said soundbox, a gravity arm' pivotally mounted ,on said 'rigid arm and tree from said sound-box, a stylus lever mounted on said gravity arm, and means for igaiust said c i ping one end of said stylus lever pressed aphragm.
sound-box secured to said rigid arm, a die. agm mounted in said sound-box, a pivot- 5y mounted gravity arm 'free from said ind-box, a stylus lcver' arried b said i d adapted to :ngage said diain an apparatus for reproducing sound, 7
l the combination of a hollow rigid arm, a
mazes to press said end against said diaphragm.
-10. In an apparatus for reproducing sound,
the combination, of a-"sound-hox including a diaphragm, means for supportingsaid sound-box, an arm pivoted to said means and carrying a stylus contacting with but sound insulated from said diaphragm.
11. In an apparatus for reproducing sound,
the combination with a sound-box mounted on a sound conducting rigid arm and provided with .a diaphragm, of a stylus lever mounted fr 3 from said sound-box for actuating said diaphragm and a non-sound con.- ductmg material between the stylus and the diaphragm. i
121 In an apparatus for reproducing sound, the combination with a sound-box mounted ona sound conducting rigid arm and provided with a diaphragm, of a stylus lever mounted free from said sound-box for actuating said diaphragm and provided at one end with a stylus and a nonsound conducting material secured to the other end and located between the end of the lever and the diaphragm.
13. In an. apparatus for, reproducing sound, the combination of a sound-boxincluding a diaphragm, lllLHllS for supporting said sound-box, an arm pivoted to said means and carrying a stylus lever, said lever being provided with an arm of hard rubber.
11-. In an apparatus for reproducing sound, the combination of a sound-box includinga diaphragm, mums for supporting said .soundhox, an arm pivoted to said means and carrying Jlus' lerer, one arm of said lever being constructed entirely of sound insulating material.
Signed at New York in the county of New York and State of New York this 15th day of September A. D. 1908.
' JOHN NOLL.
vlitnesses:
e LILLIAN BLoNn,
C. F. 'Irsor-rnnn, Jr.
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