US117788A - Improvement in tremolos for reed-organs - Google Patents
Improvement in tremolos for reed-organs Download PDFInfo
- Publication number
- US117788A US117788A US117788DA US117788A US 117788 A US117788 A US 117788A US 117788D A US117788D A US 117788DA US 117788 A US117788 A US 117788A
- Authority
- US
- United States
- Prior art keywords
- organs
- tremolos
- reed
- improvement
- prism
- 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
- 210000000056 organs Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 210000003165 Abomasum Anatomy 0.000 description 2
- 241000745987 Phragmites Species 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 108010085990 projectin Proteins 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
- G10H1/043—Continuous modulation
- G10H1/047—Continuous modulation by acousto-mechanical means, e.g. rotating speakers or sound deflectors
Definitions
- This invention consists in the use of a rotary prism applied to organs or melodeons in such way that the sound-waves can strike it at diiierent angles, to be reflected in different directions and thus produce the desired tremulous effect.
- a in the drawing represents a body having the form of a triangular prism. If preferred, however, a quadrangular or rhombic prism may be used. It is made of thin wood or other light material, and preferably hollow, so that it can be revolved with little power. Its ends have projectin g pins a a, which are hung in a stationary frame, B. One of the pins (0 is provided with a crank or cam, b,whereby it is connected with the shaft C of the wind-wheel, which,when revolved, will impart rotary motion to the prism. The wind-wheel is arranged and moved-in the ordinary or suitable manner.
- the prism is to be placed in a position where the sound-waves can strike it direct after they leave the reeds.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Percussion Or Vibration Massage (AREA)
- Stringed Musical Instruments (AREA)
- Cosmetics (AREA)
Description
J. R. LOMAS.
Tremolo for Organs and Melodeons.
"7,788. Patented August 8, 1871.
Jig. 1.
A/ILFHIITO'L/THOERAP/i/C [0- N museum/41? PHOCEJX/ UNITED STATES PATENT QFFICE.
JOHN R. LOMAS, OF NEW HAVEN, CONNECTICUT, ASSIGNOR TO B. SHONIN GER,
" OF SAME PLACE.
IMPROVEMENT IN TREMOLOS FOR REED-ORGANS, &c.
Specification forming part of Letters Patent No. 117,788, dated August 8, 1871. i
To all whom it may concern:
Be it known that I, JOHN R. LOMAS, of New Haven, in the county of New Haven and State of Connecticut, have invented a new and 1m proved Tremolo for Organs and Melodeons; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing forming part of this specification, in which- Figure 1 represents a front view of my improved tremolo for organs, &c. Fig. 2 is an end View of the same.
Similar letters of reference indicate corresponding parts.
This invention consists in the use of a rotary prism applied to organs or melodeons in such way that the sound-waves can strike it at diiierent angles, to be reflected in different directions and thus produce the desired tremulous effect.
A in the drawing represents a body having the form of a triangular prism. If preferred, however, a quadrangular or rhombic prism may be used. It is made of thin wood or other light material, and preferably hollow, so that it can be revolved with little power. Its ends have projectin g pins a a, which are hung in a stationary frame, B. One of the pins (0 is provided with a crank or cam, b,whereby it is connected with the shaft C of the wind-wheel, which,when revolved, will impart rotary motion to the prism. The wind-wheel is arranged and moved-in the ordinary or suitable manner. When the sound-waves strike the revolvin prism at different angles they are reflected with greater or lesser force according to the differences of angles, 011 the same principle on which the waves of light are reflected, and thus produce the desired tremulous effect. The prism is to be placed in a position where the sound-waves can strike it direct after they leave the reeds.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The rotary prism A, applied to an organ or nielodeon as a tremolo attachment, as specified.
JOHN It. LOMAS. Witnesses H. LYNDE HARRISON, D. R. WRIGHT.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US117788A true US117788A (en) | 1871-08-08 |
Family
ID=2187245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US117788D Expired - Lifetime US117788A (en) | Improvement in tremolos for reed-organs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US117788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2312791A1 (en) | 1999-01-29 | 2011-04-20 | General Instrument Corporation | Key management for telephone calls to protect signaling and call packets between CTA's |
-
0
- US US117788D patent/US117788A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2312791A1 (en) | 1999-01-29 | 2011-04-20 | General Instrument Corporation | Key management for telephone calls to protect signaling and call packets between CTA's |
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