US1624873A - Sound reflector - Google Patents

Sound reflector Download PDF

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Publication number
US1624873A
US1624873A US2615A US261525A US1624873A US 1624873 A US1624873 A US 1624873A US 2615 A US2615 A US 2615A US 261525 A US261525 A US 261525A US 1624873 A US1624873 A US 1624873A
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reflector
signal
sound
support
sound reflector
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US2615A
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Jesse A Landis
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Definitions

  • This invention aims to provide novel means whereby the sound proceeding from a signal of any kind, such as a locomotive whistle or an automobile horn may be amplified, controlled and directed.
  • FIG. 1 shows in section, a device constructed in accordance with the invention
  • Figure 2 is a front elevation.
  • a support 1 wherewith is assembled an audible signal 2, disclosed in the form of' a whistle although any kind of a fluicl-pressure-actuated signal may be employed.
  • a pipe 3 communicating with the support, furnishes fluid of any kind, such as steam or air, to operate the signal 2.
  • the orifices in the signal 2, from which the sound proceeds, are marked by the numeral il.
  • the invention contemplates the use of a parabolic reflector.
  • the reflector may be constructed as desired, and may be supported in any desired way. As shown in the draw- Serial No. 2,615.
  • the orifices l that the results hereinafter described inay be attained. It is suggested that the reflector 5 be made out of metal or other material which is thin enough so that it can vibrate responsive to the sound proceeding from the orifices 4 ⁇ in the signal 2.
  • a pai-abolic reflector In a device of the class described, a pai-abolic reflector, a tubular support, a. fluidpressure-actuated signal carried by the support, the support extending through the reflector, the reflector being adjustable longitudinally of the support, toward and away 'from the signal, and holding devices adjustable longitudinally of the support and cooperating with the reflect-or to retain the reflector in adjusted positions, the holding devices engagingthe reflector in a limited area about its axis.
  • the holding devices constituting means for so positioning the signal within the contour of the reflector that two sorts of sound waves will be produced, to wit, those proceeding directly from the signal and those reflected by the reflector, the signal being' sufh'ciently thin so that it can vibrate and produce a third kind of sound waves when Athe signal is operated.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)

Description

l 1,624,873 APH] 12 1927' 1. A. LANDls SOUND REFLECTOR f Filed JanQ 15, 1925 Patented Apr. 12, 1927.
UNITED STATES JESSE A. LANDIS, OF EATON, OHIO.
SOUND REFLEGTOR.
Application filed January 15, 1925.
This invention aims to provide novel means whereby the sound proceeding from a signal of any kind, such as a locomotive whistle or an automobile horn may be amplified, controlled and directed.
It is within the province of the disclosure to improve generally and to enhance the utility of devices of that sort to which the invention appertains.
Although a preferred form of the invention has been shown in the drawings, it will be understood that a mechanic, working within the scope of what is claimed, may make such changes as the skill of his calling may dictate, Without departing froml the spirit ofl the invention.
In the accompanying drawings Figure 1 shows in section, a device constructed in accordance with the invention; and
Figure 2 is a front elevation.
In carrying out the invention, there is provided a support 1 wherewith is assembled an audible signal 2, disclosed in the form of' a whistle although any kind of a fluicl-pressure-actuated signal may be employed. A pipe 3, communicating with the support, furnishes fluid of any kind, such as steam or air, to operate the signal 2. The orifices in the signal 2, from which the sound proceeds, are marked by the numeral il.
The invention contemplates the use of a parabolic reflector. The reflector may be constructed as desired, and may be supported in any desired way. As shown in the draw- Serial No. 2,615.
the orifices l that the results hereinafter described inay be attained. It is suggested that the reflector 5 be made out of metal or other material which is thin enough so that it can vibrate responsive to the sound proceeding from the orifices 4 `in the signal 2.
In practical operation, three sorts of sound waves are given out, to wit, those proceeding directly from the orifices 4, those which are refracted by the member 5, and those which are produced by a vibra-tion of the reflector. The result is that when the signal 2 is sounded, a volume is produced which cannot be attained in the absence of the device which forms the subject matter of this application.
What is claimed is In a device of the class described, a pai-abolic reflector, a tubular support, a. fluidpressure-actuated signal carried by the support, the support extending through the reflector, the reflector being adjustable longitudinally of the support, toward and away 'from the signal, and holding devices adjustable longitudinally of the support and cooperating with the reflect-or to retain the reflector in adjusted positions, the holding devices engagingthe reflector in a limited area about its axis. so that practically all of the reflector will be ree to vibrate` the holding devices constituting means for so positioning the signal within the contour of the reflector that two sorts of sound waves will be produced, to wit, those proceeding directly from the signal and those reflected by the reflector, the signal being' sufh'ciently thin so that it can vibrate and produce a third kind of sound waves when Athe signal is operated.
In testimony that I claim the foregoing as my own, I have hereto alfiized my signature.
JESSE A. LANDIS.
US2615A 1925-01-15 1925-01-15 Sound reflector Expired - Lifetime US1624873A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434175A (en) * 1944-11-10 1948-01-06 Karlis V Ozols Steam operated horn
US6065238A (en) * 1998-06-08 2000-05-23 Carter; Jesse M. Method for releasing air from the swim bladder of a fish
USD886081S1 (en) * 2018-10-24 2020-06-02 Matthew GOINS Sound reflector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434175A (en) * 1944-11-10 1948-01-06 Karlis V Ozols Steam operated horn
US6065238A (en) * 1998-06-08 2000-05-23 Carter; Jesse M. Method for releasing air from the swim bladder of a fish
USD886081S1 (en) * 2018-10-24 2020-06-02 Matthew GOINS Sound reflector

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