US884062A - Phonograph-reproducer. - Google Patents
Phonograph-reproducer. Download PDFInfo
- Publication number
- US884062A US884062A US40531207A US1907405312A US884062A US 884062 A US884062 A US 884062A US 40531207 A US40531207 A US 40531207A US 1907405312 A US1907405312 A US 1907405312A US 884062 A US884062 A US 884062A
- Authority
- US
- United States
- Prior art keywords
- phonograph
- reproducer
- needle
- ivory
- record
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002238 attenuated effect Effects 0.000 description 7
- 241001422033 Thestylus Species 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- XMXNVYPJWBTAHN-UHFFFAOYSA-N potassium chromate Chemical compound [K+].[K+].[O-][Cr]([O-])(=O)=O XMXNVYPJWBTAHN-UHFFFAOYSA-N 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- G11B3/48—Needles
Definitions
- the object of my invention is to provide a novel needle or stylus as the sound-reproducer of a phonograph or analogous instrument, which shall possess, as attributes, toneimproving qualities in the way of softness and freedom from noise from its contact with the record, andgood sound-conductivity.
- ivory is a substance v 1n 9. high degree these attributes in us of a phonograph; and my invention, based on this discovery, consists in a reproducer needle composed, as to its entirety or atleast as to its attenuated portion, of ivory.
- Figure 1 is a broken view showing a reproducer-head equipped with my improved needle applied to the ordinary disk-record of a phonograph; and Figs. 2, 3 and 4 areperspective views representing three of the various forms in which my improved needle may be provided.
- the numeral 5 represents a reproducerhead of ordinary construction, involving a holder 6 for adjustably supporting a stylus 7 in operative position relative to a rotary disk-record 8.
- the stylus or needle consists of a stem-portion 9 and an attenuated portion 10 formed, preferably in its entirety, of ivory, in suitable shape, including the shapes represented; though it is within my invention .to form only the attenuated portion of ivory.
Description
No. 884,062. PATENTED APR. '7, 1908.
H. BALDWIN.
PHONOGRAPH RBPRODUGER- APPLICATION FILED p20. a. 1907.
\IllIlllllllllllllllllllllll iweru zn' affordin the need e or sty HIRAM BALDWIN, OF CHICAGO, ILLINOIS.
PHONOGRAPH-REPRODUCER.
Specification of Letters Patent.
. Patented April 7, 1908. 1
Application filed December 6, 1907. Serial No. 405,312.
To all whom it may concern.
Be it known that "I, HIRAMBA'LDWIN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illi-.
1101s, have invented a new and useful Improvement in.Phonograph-Reproducers, of
which the following is "a specification.
The object of my invention is to providea novel needle or stylus as the sound-reproducer of a phonograph or analogous instrument, which shall possess, as attributes, toneimproving qualities in the way of softness and freedom from noise from its contact with the record, andgood sound-conductivity.
I have discovered that ivory isa substance v 1n 9. high degree these attributes in us of a phonograph; and my invention, based on this discovery, consists in a reproducer needle composed, as to its entirety or atleast as to its attenuated portion, of ivory.
In the accompanying drawing, Figure 1 is a broken view showing a reproducer-head equipped with my improved needle applied to the ordinary disk-record of a phonograph; and Figs. 2, 3 and 4 areperspective views representing three of the various forms in which my improved needle may be provided.
The numeral 5 represents a reproducerhead of ordinary construction, involving a holder 6 for adjustably supporting a stylus 7 in operative position relative to a rotary disk-record 8. The stylus or needle consists of a stem-portion 9 and an attenuated portion 10 formed, preferably in its entirety, of ivory, in suitable shape, including the shapes represented; though it is within my invention .to form only the attenuated portion of ivory. Furthermore I findit to be advantageous, as enhancing the attributes hereinbefore specified, to artificially harden the ivory of'the stylus, particularly as to its at-. tenuated portion, and this I have done by immersing it, for a brief period'say of an hour, more or lessin a saturated solution of chromic acid, though chromate of potash will serve the purpose, and thereupon drying.
the ivory.
What I claim as new and desire to secure by Letters Patent is:
a reproducer-hcad, of a needle having its attenuated record-engaging portion composed of ivory.
2. The combination in a phonograph, with a reproducer-head, of a needle having its attenuated record-engaging portion composed,
of artificially-hardened ivory.
3. The combination in a phonograph, with a reproducer-head, of a needle consisting of a stem-portion at which it is supported on said head, and an attenuated record-engaging portion, said needlebeing composed in its entirety of ivory.
4. The combination in a phonograph, with a reproducer-head, of a needle consisting of a stem-portion at which it is supported on said head, and an attenuated record-engaging portion, said'needle being composed in its:
entirety of artificially-hardened ivor HIRAM BALD IN; In presence of-:
W. T. JoNEs, RALPH SCHAEFER.
1. The combinatlon 1n a phonograph, with i
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40531207A US884062A (en) | 1907-12-06 | 1907-12-06 | Phonograph-reproducer. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40531207A US884062A (en) | 1907-12-06 | 1907-12-06 | Phonograph-reproducer. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US884062A true US884062A (en) | 1908-04-07 |
Family
ID=2952502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US40531207A Expired - Lifetime US884062A (en) | 1907-12-06 | 1907-12-06 | Phonograph-reproducer. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US884062A (en) |
-
1907
- 1907-12-06 US US40531207A patent/US884062A/en not_active Expired - Lifetime
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