US1103592A - Stylus for sound-reproducing machines. - Google Patents

Stylus for sound-reproducing machines. Download PDF

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Publication number
US1103592A
US1103592A US75284013A US1913752840A US1103592A US 1103592 A US1103592 A US 1103592A US 75284013 A US75284013 A US 75284013A US 1913752840 A US1913752840 A US 1913752840A US 1103592 A US1103592 A US 1103592A
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Prior art keywords
stylus
sound
curved
machines
reproducing machines
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Expired - Lifetime
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US75284013A
Inventor
Gustave Lehr
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Gustave Lehr
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Priority to US75284013A priority Critical patent/US1103592A/en
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Publication of US1103592A publication Critical patent/US1103592A/en
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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 Disposition or mounting, e.g. attachment of point to shank
    • G11B3/48Needles

Description

G. LBHR.
STYLUS FOR SOUND REPRODUGING MACHINES.
APPLIOATIOH rum) mum, 191a.
Patented July M, 1m
fi'sfia Specification. "PThe-obfect of this invention isto furnish.
UNITED STATES PATENT orrioa.
GUSTAVE LEI-IR, or NEW YonK, N. Y.
STYLUS FOR SO UND-REI PRODUCING MACHINES.
. p ifi L t Patented July M, 1914 Application filed March 8, 1913. Serial No. 752,840.
T all 10h am it may concern Be it known'that I, GUSTAVE Lane, a citi.-
zen of the United States, residing in New York, borough of Brooklyn, in the State off New York, have invented certain new and useful Improvements in Styli for Sound-Reroducing Machines, of which the following for soun rep'roducing machines, a stylus which is'durable in use, not prohibitive inv 1 cost, and whichfyields a superior tone. These objectsfa'reattained by making the record-engagin portion of the styli of ruby,
- and forming t e same ingenerally pyramidal form, with a curved face.
In the accompanying drawing, Figure 1 is a side-view of a portion of a gramophone' disk, and'a front'view of the reproducer'of the instrument, showing in position of use a stylus embodying the invention. Fig. 2 is an enlarged side elevation of the stylus removed from the machine, Fig. 3 is a view on a similar enlarged scale, taken from the rear of the'stylus, Fig. 4. is a'front-elevation on the same enlarged scale, and Fig. 5 is a horizontal sectionon line '-5-5 of. Fig. 3
- through" the jewelv forming. the working point' of the stylus.
Similar numerals of reference indicate corresponding parts in all the figures. The reproducer sound-box and frame are of anyusual type, having aasocket 11 adapted to receive the metal shank -12 of the stylus and support th stylus in position against the record 13, which is rotated in direction of the arrow in Fig. 1.
. Thestylus point 14 is of ruby, and of pyramidal shape, and has one side 17 con- .vexly curved. The edge portion 18 opposite to the curved portion 17 is convexlv roundedoif near the tip 16, as iudirmrd at 25. Hence by this curved portion formed into a curved wedge portio this part of 1hr stylus may adapt itself very closely'to the slightest variations in the grooves oi. the record.- Thus by the pyramidal device with the curved upper portion" a wedge-shaped stylus is produced which has the lowermost portion of the Wedge-shaped part rounded on or curved whereby it may readily enter the grooves of therecord.
Iclaim: s 4
1. A stylus for sound-reproducing machines, comprising a shank. and a point thereinof triangular pyramidal shape, with one side laterally and longitudinally convexly curved and the edge opposite said curved side also convexly curved.
2. A stylus for sound-reproducing machines, comprising a shank, and a point therein of triangular pyramidal shape with two adjacent plane sides, and with the intermediate side laterally and longitudinally convexly curved, and the edge opposite said curved side convexly curved near the tip of the device.
In testimony, that I claim the foregoing as my invention, I have signed my name in presence of two subscribing witnesses.
- GUSTAVE LEHR.
lVitnesses:
JOHN MURTAGH, F. Hose.
US75284013A 1913-03-08 1913-03-08 Stylus for sound-reproducing machines. Expired - Lifetime US1103592A (en)

Priority Applications (1)

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US75284013A US1103592A (en) 1913-03-08 1913-03-08 Stylus for sound-reproducing machines.

Applications Claiming Priority (1)

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US75284013A US1103592A (en) 1913-03-08 1913-03-08 Stylus for sound-reproducing machines.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511444A (en) * 1944-09-23 1950-06-13 Nichols Herbert French Phonograph needle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511444A (en) * 1944-09-23 1950-06-13 Nichols Herbert French Phonograph needle

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