US1361500A - Sound-modulating device - Google Patents

Sound-modulating device Download PDF

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Publication number
US1361500A
US1361500A US361382A US36138220A US1361500A US 1361500 A US1361500 A US 1361500A US 361382 A US361382 A US 361382A US 36138220 A US36138220 A US 36138220A US 1361500 A US1361500 A US 1361500A
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United States
Prior art keywords
diaphragm
sound
pin
modulating
modulating device
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Expired - Lifetime
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US361382A
Inventor
Henry K Sandell
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HERBERT S MILLS
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HERBERT S MILLS
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Publication date
Application filed by HERBERT S MILLS filed Critical HERBERT S MILLS
Priority to US361382A priority Critical patent/US1361500A/en
Application granted granted Critical
Publication of US1361500A publication Critical patent/US1361500A/en
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Expired - Lifetime legal-status Critical Current

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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

  • a spider 10 is ii washer 1o,
  • the present invention relates to devices for modulating the tone emitted by sound reproducing devices of the phonograph or gramophone type, wherein the desired sounds are produced by the vibration of a resiliently held diaphragm.
  • Fig. 52 is a sectional view on enlarged scale through the sound box of Fig. 1.
  • Fig. 3 is a broken sectional view on line 3 of Fig'Q.
  • Fig. 4 is a detail view or an element of the modulator construction.
  • the numeral 5 indicates a tone arm provided with a pivotally mounted stylus holder 6, the vibrations of which are communicated by means of the transmission member 7, to diaphragm 8, mounted in 1 sound box 9, as now particularly described No. 1325209 of Dec. 6,
  • Vibration transmission member 7 is firmly attached to diaphragm by means ott pin 14:, being provided between the head of the pin and the under side of the diaphragm.
  • A. tine wire or pin 16 is attached to the diaphragm at approximately its center, for example, by soldering to the end of the pin 14, as at 17. This pin extends from the diaphragm through a bushing 18 of yieldable material, such as soft rubber,
  • a scum box diaphragm means for producing vibrations thereof, a modulating pin attached to said diaphragm and extending perpendicularly therefrom, a yieldable bushing surrounding said pin and adjustable means for compressing said bushing.
  • a sound box a diaphragm mounted therein, means for producing vibrations of the diaphragm, a modulating pin attached centrally to said diaphragm and extending outwardly therefrom, elf-supporting member mounted on the sound box and provided with an opening into which the pin extends, ayieldable bushing surrounding said pin, a split cap surrounding said bushing and a set screw mounted in said support for compressing the cap and bushing.
  • a sound a diaphragm mounted therein, means for pro ducing vibrations of the diaphragm, a modulating pin attached centrally to said diaphragm and extending outwardly there from.
  • a supporting member mounted on the sound box, and provided with an opening intowhich the pin extends. and means sup-- ported on said supporting member for produclng variablefriction upon said pin.

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  • Diaphragms For Electromechanical Transducers (AREA)

Description

H. K. SANDELL,
SOUND MODULATING DEVICE.
APPLICATION FILED IFEB. 26, 1920.
1 3 1 500 Patented Dec. 7, 1920.
1.919. A spider 10 is ii washer 1o,
SWAfK-ES EPAlllldll HENRY K. SANDELL, 0F CHICAGO, ILLIlWDES, ASSIGNOIR T0 HERBERT S. MILLS, fill GHICAGQ, ILLINOIS.
SOUND-MQDULAJTING DEVICE.
Specification of Letters Patent.
Patented Dec, 3, 19249.
Application filed February '26, 1920. Serial No. 361,382.
To all whom it may concern.
Be it known that l, HENRY K. SANDELL, a citizen of the United States, residing at (Jhicago in the county of Cook and btate ot'lllinois, have invented a new and useful Improvement in Sound-Modulating Devices, of which the following is a specification.
The present invention relates to devices for modulating the tone emitted by sound reproducing devices of the phonograph or gramophone type, wherein the desired sounds are produced by the vibration of a resiliently held diaphragm. It will be clearly understood from the, following description thereof; illustrated by the accompanying drawings, in which- Figure 1, is a side elevation of a phone graph tone arm provided with a sound boa.
diaphragm and procontaining a vibratin vided with a modulating device constructed in accordance with the present invention.
Fig. 52, is a sectional view on enlarged scale through the sound box of Fig. 1.
Fig. 3, is a broken sectional view on line 3 of Fig'Q, and
Fig. 4, is a detail view or an element of the modulator construction.
Referring now particularly to the drawings, the numeral 5 indicates a tone arm provided with a pivotally mounted stylus holder 6, the vibrations of which are communicated by means of the transmission member 7, to diaphragm 8, mounted in 1 sound box 9, as now particularly described No. 1325209 of Dec. 6,
united with the sound box 9, serving in the construction to rigidly connect the tone arm 5 therewith- The sound box is connected through conduit secin my first Patent tion 11 with conduit joint 12, which is rotatably mounted on the support 13.
Vibration transmission member 7 is firmly attached to diaphragm by means ott pin 14:, being provided between the head of the pin and the under side of the diaphragm. A. tine wire or pin 16, is attached to the diaphragm at approximately its center, for example, by soldering to the end of the pin 14, as at 17. This pin extends from the diaphragm through a bushing 18 of yieldable material, such as soft rubber,
ing is compressed about the pin and the friction to be overcome by the modulating pin in its movement is increased, and the 18 is provided with diametone emitted is correspondingly softened.
By loosening the screw the loudness of tone is increased. 1
Although in the description of the present invention a specific detail of construction has been illustrated, it is not intended that these details-shall be regarded as limitations upon the scope of the inventor, except in so tar as included in the accompanying claims.
1. In combination, a scum box diaphragm, means for producing vibrations thereof, a modulating pin attached to said diaphragm and extending perpendicularly therefrom, a yieldable bushing surrounding said pin and adjustable means for compressing said bushing.
2. In combination, a sound box, a diaphragm mounted therein, means for producing vibrations of the diaphragm, a modulating pin attached centrally to said diaphragm and extending outwardly therefrom, elf-supporting member mounted on the sound box and provided with an opening into which the pin extends, ayieldable bushing surrounding said pin, a split cap surrounding said bushing and a set screw mounted in said support for compressing the cap and bushing.
3. in combination, a sound a diaphragm mounted therein, means for pro ducing vibrations of the diaphragm, a modulating pin attached centrally to said diaphragm and extending outwardly there from. a supporting member mounted on the sound box, and provided with an opening intowhich the pin extends. and means sup-- ported on said supporting member for produclng variablefriction upon said pin.
US361382A 1920-02-26 1920-02-26 Sound-modulating device Expired - Lifetime US1361500A (en)

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