US979231A - Sound-box for talking-machines. - Google Patents

Sound-box for talking-machines. Download PDF

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Publication number
US979231A
US979231A US58393110A US1910583931A US979231A US 979231 A US979231 A US 979231A US 58393110 A US58393110 A US 58393110A US 1910583931 A US1910583931 A US 1910583931A US 979231 A US979231 A US 979231A
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sound
box
talking
machines
diaphragm
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Expired - Lifetime
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US58393110A
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Johann Veit
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Definitions

  • the' drawing 1 is that portion of the wooden sound-box which is applied in front 'of the membrane 2 and which communicates with the sounding horn.
  • the portion 1 is; hollowed out in such inanner'as to forma cavity 3 which is closed on the side adjacent to the membrane by a wooden diaphragm 5 provided with an aperture 4r f 6 7 are the two parallel thin strips which are secured, preferably by glue or other adhesive; to the diaphragm 5 and also similarly attached to the wallet the cavity 3, and 8 is the tongue. or strip which is secured. in the same ayat one end tothe dia:
  • This invention has for its object to pro-. vide a sound-box for a talking machine whichshall inshape resemble, as. closely as possible; that of the human mouth.
  • This end is at the hollow portion ofthe sound-box (that is to say the portion whichis connected with the horn) by a thin apertured wooden diaphragm and providing thehollow cavity with three thin strips of wood whereof a air are fixed to the diaphragm as well as to-the walls of the cavity; while-the third which occupies a pb'sition between the other two,' is'in the form of a tongue and being attached to the diaphragm only and not to the walls of the'cavity,
  • the two fixed strips correspond to the human cheeks
  • the flexible strip corresponds to the tongue
  • the remaining hollow space at either side corresponds to the gums.
  • F igure I a front elevation of the improved sounddrawing which .phragm and tree at the sides and other-end 55 so that it may have a spring like action; sub-

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stringed Musical Instruments (AREA)

Description

Y J. VEIT. SOUND- BOX FOR TALKING MACHINES. APPLICATION FILED SEPT. 26, 1910.
Patented Dec. 20, 1910.
' tone. can be obtained by an arrangement of this kind and that the usual ob ectionable dent of Hanau-on-the-Main, Germany, with tamed by shutting oil, from the membrane UNITED STATES PATENT OFFICE,
aliiifalifiii 979,231,. A Specification ofLettersliatent. p t te j -20, 19
. Application filed September 26, 1910. Serial No. 5832931.
box of my invention, and Figs. 2 and 3 sec-- tions on the lines 2 -2 and'3 .3 of Fig. respectively. l l
the' drawing 1 is that portion of the wooden sound-box which is applied in front 'of the membrane 2 and which communicates with the sounding horn. The portion 1 is; hollowed out in such inanner'as to forma cavity 3 which is closed on the side adjacent to the membrane by a wooden diaphragm 5 provided with an aperture 4r f 6 7 are the two parallel thin strips which are secured, preferably by glue or other adhesive; to the diaphragm 5 and also similarly attached to the wallet the cavity 3, and 8 is the tongue. or strip which is secured. in the same ayat one end tothe dia:
To all whom it may concern: I
Beit known that I, JOHANN' Vnrr, joiner,
a sub ect of the German Emperor, and $851 40 the post-office address Hospitalstrasse No- 23 have invented new and 'usefnlImprovements in Sound-Boxes for Talking-Machines, of which the following is, a specification.
This invention has for its object to pro-. vide a sound-box for a talking machine whichshall inshape resemble, as. closely as possible; that of the human mouth. This end is at the hollow portion ofthe sound-box (that is to say the portion whichis connected with the horn) by a thin apertured wooden diaphragm and providing thehollow cavity with three thin strips of wood whereof a air are fixed to the diaphragm as well as to-the walls of the cavity; while-the third which occupies a pb'sition between the other two,' is'in the form of a tongue and being attached to the diaphragm only and not to the walls of the'cavity, In this construction the two fixed strips correspond to the human cheeks, the flexible strip corresponds to the tongue, and the remaining hollow space at either side corresponds to the gums. I have. ascertained by experiment that surprising results, in respect of fullness and purity of "so that ityma'y have a spring-like action' Now what I claim and desire to secure by Letters Patent. is-t-he followingz j v A wooden sonndingb'ox ,for a talking machine con'sisting of a hollowed out portion provided with an apertured diaphragm,- a
pair ofi'parallel strips attached both to the' diaphragm. and to the walls of the'cavity, and a tongue attached only to the diaphragm.- 5
stantially as described; 1
In testimony, that I claim the foregoing as my invention, I have signed my name in resence of two witnesses, this fourteenth jarring noise emitted by talkingemachines 1S entirely done away with.
In 7 the accompanying serves toillustrate the invention; F igure I a front elevation of the improved sounddrawing which .phragm and tree at the sides and other-end 55 so that it may have a spring like action; sub-
US58393110A 1910-09-26 1910-09-26 Sound-box for talking-machines. Expired - Lifetime US979231A (en)

Priority Applications (1)

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US58393110A US979231A (en) 1910-09-26 1910-09-26 Sound-box for talking-machines.

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US58393110A US979231A (en) 1910-09-26 1910-09-26 Sound-box for talking-machines.

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US979231A true US979231A (en) 1910-12-20

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