US916976A - Sound-reproducing box for disk talking-machines. - Google Patents

Sound-reproducing box for disk talking-machines. Download PDF

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Publication number
US916976A
US916976A US37858307A US1907378583A US916976A US 916976 A US916976 A US 916976A US 37858307 A US37858307 A US 37858307A US 1907378583 A US1907378583 A US 1907378583A US 916976 A US916976 A US 916976A
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Prior art keywords
sound
stylus
box
machines
reproducing
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US37858307A
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Paul De Beaux
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17393—One movable side

Definitions

  • the object of this invention is to do away with the secondary sounds to be found even in talkinganachines of very perfect make. These sounds are due to the parts neighboring to the sound-plate, 'L c. to the vibrations of these parts and my invention therefore consists in improvements in the construction, shape, and material of the said parts.
  • Figure 1 is a vertical section through my improved sound-reproducing box
  • Fig. 2 is a plan of the same
  • Fig. 3 shows the means for fastening the stylus a to the lever b
  • Fig. 4 is a separate view of the lever b and some neighboring parts
  • Fig. 5 is a plan of the bearing for said lever.
  • the stylus a is carried by an arm which is composed of two portions 1) and 0.
  • the portion Z) consists of aluminium and has a projection cl adapted to receive the stylus a; the latter is secured in position by means of an oblong ring g having a hand-screw h intermediate piece (2 located between this screw and the stylus, and another intermediate piece 0 located between the projection d and the ring 9 and consisting of brass.
  • the parts at and e have each a groove for the reception of the stylus, but the groove of the part a is covered with a comparatively thick layer of tin.
  • the portion I) of the stylus-carrying arm is supported by and between steel screws i i the pointed ends of which take into very fine cavities provided in small steel plates is k attached to said portion.
  • the diaphragm Z consists also of aluminium and is held between rings at n of indiarubber, felt, or the like. The diaphragm is connected with the portion 0 of the stylus-carrying arm consisting of a bent wire of hardened steel.
  • the portion b has a spring g holding, together with a similar spring 1" fixed to the bearing of said portion, a piece 8 of india-rubber, felt, cork, or the like. his means is at the same time of very favorable effect for the pureness of the sounds reproduced.
  • the vibrations of the diaphragm are furthermore not in the least disturbed by ever so great a speed of reception or reproduction, because aluminium is chosen as ma terial for this diaphragm and this material has just the proper degree of elasticity.
  • the sounds produced or reproduced are first compelled to pass into and through a tube-like chamber t forming an extension of the casing of the sound-box.
  • This chamber has a mouth-piece a consisting of wood, ebonite, or another material of low vibratory capacity, so that also by this means the sound boX is prevented from producing sounds of its own. Therefore, all those parts cannot be allowed to produce sound of their own, i. e. disturbing sounds, and they are prevented from so doing by the choice of different materials having also different shapes, these materials being moreover such as are unable to produce sounds of a disturbing strength; finally, the secondary sounds still arising are effectively damped by the damping materials provided particularly for this purpose.
  • a boX casing, a diapliiragm and its bearing parts in combination with a stylus-carrying arm connected with the diaphragm and composed of several portions of different materials and having different coefficients of vibration, of a stylus held in place upon said arm by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw for the purpose set forth.
  • a stylus-carrying arm composed of a steel-Wire portion connected with the diaphragm and an aluminium-portion Which are secured together, of a stylus held in place upon. said aluminium-portion by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw for the purpose set forth.
  • a box casing, a diaphragm and its bearing parts in combination with a stylus-carrying arm composed of a steel-Wire portion connected With the diaphragm and an aluminium-portion which are secured together, of a stylus held in place upon said aluminium-portion by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw; an oblong ring receiving the hand-screw and said adjustable side-piece and mounted upon a projection of said arm; an intermediate piece of brass inserted between said projection and said ring, for the purpose set forth.
  • a boX casing, a diaphragm and its bearing parts in combination With a stylus-carrying arm composed of a screw threaded Wire portion (0) and of a more solid part (b) secured together, of an adjustable nut (p) placed upon said Wire-portion for the purpose set forth.

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  • Electrophonic Musical Instruments (AREA)

Description

P. DE BEAUX. SOUND REPRODUGING BOX FOB. DISK TALKING MACHINES.
APPLIOATION FILED JUNE 12, 1907.
Patented Apr. 6, 1909.
J/z 2/912 Z or per W n: NURRIS PE 0., wnsmucron, n. c.
PATENT PAUL DE BEAUX, OF LEIPZIG, GERMANY.
SOUND-REPBODUCING BOX FDR DISK TALKING-IEACHINES.
Application filed June 12,
To all whom it may concern:
Be it known that 1, PAUL DE BEAUX, watchmaker, a subject of the King of Saxony, and residing at No. 8 Markgrafenstrasse, Leipzig, in the Kingdom of Saxony, German Empire, have invented certain new and use ful Improvements in Sound-Reproducing Boxes for Disk 'lalking-Machines, of which the following is a specification.
The object of this invention is to do away with the secondary sounds to be found even in talkinganachines of very perfect make. These sounds are due to the parts neighboring to the sound-plate, 'L c. to the vibrations of these parts and my invention therefore consists in improvements in the construction, shape, and material of the said parts.
In the accompanying drawing, Figure 1 is a vertical section through my improved sound-reproducing box, Fig. 2 is a plan of the same, Fig. 3 shows the means for fastening the stylus a to the lever b, Fig. 4 is a separate view of the lever b and some neighboring parts, and Fig. 5 is a plan of the bearing for said lever.
The stylus a is carried by an arm which is composed of two portions 1) and 0. The portion Z) consists of aluminium and has a projection cl adapted to receive the stylus a; the latter is secured in position by means of an oblong ring g having a hand-screw h intermediate piece (2 located between this screw and the stylus, and another intermediate piece 0 located between the projection d and the ring 9 and consisting of brass. The parts at and e have each a groove for the reception of the stylus, but the groove of the part a is covered with a comparatively thick layer of tin. Owing to the coefiicients of vibration of these different materials being also difierent, the transmission of the secondary sounds from the stylus to the sound-reproducing plate is weakened or impeded so very thoroughly that the ear is unable to detect any such sound. The portion I) of the stylus-carrying arm is supported by and between steel screws i i the pointed ends of which take into very fine cavities provided in small steel plates is k attached to said portion. The diaphragm Z consists also of aluminium and is held between rings at n of indiarubber, felt, or the like. The diaphragm is connected with the portion 0 of the stylus-carrying arm consisting of a bent wire of hardened steel. One
part of this wire isscrew-threaded and fur- Specification of Letters Patent.
Patented April 6, 1909.
nished with an adjustable nut p for the purpose of making the wire connection 0 more or less rigid in accordance with the position of such nut thus preventing the wire 0 to vibrate in its entirely and in full. force and to produce disturbing metallic sounds and noises.
To damp, weaken, or suppress the noxious effect of, the pushes, shocks, or jerks transmitted from the stylus, the portion b has a spring g holding, together with a similar spring 1" fixed to the bearing of said portion, a piece 8 of india-rubber, felt, cork, or the like. his means is at the same time of very favorable effect for the pureness of the sounds reproduced. The vibrations of the diaphragm are furthermore not in the least disturbed by ever so great a speed of reception or reproduction, because aluminium is chosen as ma terial for this diaphragm and this material has just the proper degree of elasticity. Finally the sounds produced or reproduced are first compelled to pass into and through a tube-like chamber t forming an extension of the casing of the sound-box. This chamber has a mouth-piece a consisting of wood, ebonite, or another material of low vibratory capacity, so that also by this means the sound boX is prevented from producing sounds of its own. Therefore, all those parts cannot be allowed to produce sound of their own, i. e. disturbing sounds, and they are prevented from so doing by the choice of different materials having also different shapes, these materials being moreover such as are unable to produce sounds of a disturbing strength; finally, the secondary sounds still arising are effectively damped by the damping materials provided particularly for this purpose.
Having now described my invention, what I desire to secure, by a patent of the United States, is:
1. In a sound reproducing box for disktalking machines, a boX casing, a diapliiragm and its bearing parts in combination with a stylus-carrying arm connected with the diaphragm and composed of several portions of different materials and having different coefficients of vibration, of a stylus held in place upon said arm by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw for the purpose set forth.
2. In a sound reproducing box for disktalking machines, a boX casing, a diaphragm Serial No. 378,583.
and its bearing parts in combination With a stylus-carrying arm composed of a steel-Wire portion connected with the diaphragm and an aluminium-portion Which are secured together, of a stylus held in place upon. said aluminium-portion by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw for the purpose set forth.
3. In a sound reproducing boX for disktalking machines, a box casing, a diaphragm and its bearing parts in combination With a stylus-carrying arm composed of a steel-Wire portion connected With the diaphragm and an aluminium-portion which are secured together, of a stylus held in place upon said aluminium-portion by an adjustable sidepiece having a layer of tin and forced upon said stylus by a hand-screw; an oblong ring receiving the hand-screw and said adjustable side-piece and mounted upon a projection of said arm; an intermediate piece of brass inserted between said projection and said ring, for the purpose set forth.
4. In a sound reproducing boX for disktalking machines, a boX casing, a diaphragm and its bearing parts, in combination With a stylus-carrying arm composed of a screw threaded Wire portion (0) and of a more solid part (b) secured together, of an adjustable nut (p) placed upon said Wire-portion for the purpose set forth.
In Witness whereof I have hereunto set my hand in presence of tWo Witnesses.
PAUL DE BEAUX Witnesses SOUTHARD P. VVARNER, RUDOLPH FRIoKE.
US37858307A 1907-06-12 1907-06-12 Sound-reproducing box for disk talking-machines. Expired - Lifetime US916976A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731606A (en) * 1951-07-26 1956-01-17 Gen Electric Structure for reduction of audible sound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731606A (en) * 1951-07-26 1956-01-17 Gen Electric Structure for reduction of audible sound

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