US1620367A - Sound-purifying device - Google Patents
Sound-purifying device Download PDFInfo
- Publication number
- US1620367A US1620367A US24078A US2407825A US1620367A US 1620367 A US1620367 A US 1620367A US 24078 A US24078 A US 24078A US 2407825 A US2407825 A US 2407825A US 1620367 A US1620367 A US 1620367A
- Authority
- US
- United States
- Prior art keywords
- sound
- diaphragms
- purifying device
- box
- acoustic
- 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
- 230000003071 parasitic effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Definitions
- the apparatus for the propagation of sound which are currently employed, such as an acoustic funnel, vibrating box, vibrat-- mg conical piece and the like'transmit the vibrations by the perturbations in the volume of air which they-contain, but in virtueof the fact that they are likewise subject to vibration, the will prove a source of prejudicial parasitlc vibrations reproduced waves.
- the said parasitic vibrations may be partially attenuated by the use of devices actingagainst the propagation of waves in the body of the reproducing element itself. But
- y invention has for its object an apparatus for the suitable filtering of the emitted sounds, while aifording the proper amplification of the normally emitted sounds, but eliminating'the parasitic sounds.
- Fig. 1 is a sectional view of an embodiment of the invention
- I Fig. 2 is a corresponding perspective View, two consecutive diaphragms being shown in external view in the position which they. occupy in the apparatus.
- Fig. 3 is a detail View showing the superposed diaphragms on a larger scale and -according to two sections at right angles.
- the apparatus which is adapted for'mounting upon an acoustic funnel'of circularcross SGCtlODCOIlSlStS of a drum which q is made of thin wood and has formed therein the lateral slots- I, said drum beentering into the ing fitted upon the edge of the acoustic fun- Iiel B G through the medium of a felt packmg member.
- Outwardlyof the said packing member is disposed a circular band F F Uponthe said band is-caused to I (Fig. 1). beer, at its edge, the first diaphragm of a series comprising a variable number of diaphragms according to the effect to be obtained.
- the said 'diaphragms a consist of strong paper which is folded in corrugated shape, with a depth of 5 millimeters.
- posed diaphr'agms will offer a certain elasticity, and due to a slight pressure exercised upon the last diaphragm at G the whole device can besecurely held in place.
- Fig. 2 is a perspective view of the device which is shown in section in Fig. 1;
- Fig. 3 is a full-size viewshowing the superposition of the diaphragms whose'directions of folding are orthogonal.
- the substances formin the outer envelope may be of any suita le nature such as wood, metal, plastic substance or the like, provided the said envelope is light and ardly sonorous.
- the latter must be 1i ht as well as strong, and must be readily shaped for instance by folding, embossing or the like. Suitable results are afforded by glazed paper, Bristol paper and chiefly by acetate of cellulose.
- a purifier of sounds adapted to be juxtaposed or combined with an acoustic emit-- ter, comprising a box made of light material which is but little susceptible of vibration" As shown in Figs. 1, 2, 3, the said diaphragms are direction of the corrugations of the adjacent directions of the corrugations ofeach diadiaphragm. phragm making a certain angle with the 2.
- a purifier of sounds adapted to be juxdirection of the corrugations of the adjacent taposed or combined with an acoustic emitdiaphragm, and means formaintaining the 5 ter, comprising a box made of light material said ,diaphragms within the said box. 15
Description
March 8 ,1927.
- 1,620,367 H. LION SOUND PURIFYING DEVICE 1 Filed April 18, 1925 ill/Trim I Jim/111mm Patented Mar. 8, 1927.
I v I 1 1,620,367 UNITEDSTATES PATENT OFFICE.
HENRY LION, or PARIS, FRANCE.
SOUND-PURIFYING DEVICE.
Application filed April 18, 1925, Serial No. 24,0 78, and in France April 28, 1924.
The apparatus for the propagation of sound which are currently employed, such as an acoustic funnel, vibrating box, vibrat-- mg conical piece and the like'transmit the vibrations by the perturbations in the volume of air which they-contain, but in virtueof the fact that they are likewise subject to vibration, the will prove a source of prejudicial parasitlc vibrations reproduced waves.
The said parasitic vibrations may be partially attenuated by the use of devices actingagainst the propagation of waves in the body of the reproducing element itself. But
even though it has been feasible to obviate the above-mentioned drawback, it is none the less true that the known emission devices will amplify Without any diminution the parasitic vibrations due to the scraping action of the gramophone disk or the phonograph cylinder, as well as the metallic vibrations occurring in the loud speaking apparatus employed for receiving purposes in radio tele hony. y
y invention has for its object an apparatus for the suitable filtering of the emitted sounds, while aifording the proper amplification of the normally emitted sounds, but eliminating'the parasitic sounds.
This result is obtained by disposing in the path of the sound waves one'or more vibrating filters consisting of series of diaphragms which are folded, embossed or corrugated,
and whereof the folds, embossed parts or corrugations are angularly spaced by a suitable amount from one diaphragm to the next. I
The'following description relative to the appended drawings which are given by way of example, clearly explains the manner in which the invention is carried intoeffect.
Fig. 1 is a sectional view of an embodiment of the invention I Fig. 2 is a corresponding perspective View, two consecutive diaphragms being shown in external view in the position which they. occupy in the apparatus. A
Fig. 3 is a detail View showing the superposed diaphragms on a larger scale and -according to two sections at right angles.
In the form of construction shown in Figs. 1 to 3, the apparatus which is adapted for'mounting upon an acoustic funnel'of circularcross SGCtlODCOIlSlStS of a drum which q is made of thin wood and has formed therein the lateral slots- I, said drum beentering into the ing fitted upon the edge of the acoustic fun- Iiel B G through the medium of a felt packmg member. Outwardlyof the said packing member is disposed a circular band F F Uponthe said band is-caused to I (Fig. 1). beer, at its edge, the first diaphragm of a series comprising a variable number of diaphragms according to the effect to be obtained. j
The said 'diaphragms a consist of strong paper which is folded in corrugated shape, with a depth of 5 millimeters.
posed diaphr'agms will offer a certain elasticity, and due to a slight pressure exercised upon the last diaphragm at G the whole device can besecurely held in place.
Fig. 2 is a perspective view of the device which is shown in section in Fig. 1; Fig. 3 is a full-size viewshowing the superposition of the diaphragms whose'directions of folding are orthogonal.
The substances formin the outer envelope may be of any suita le nature such as wood, metal, plastic substance or the like, provided the said envelope is light and ardly sonorous.
As to the nature of the substances constituting the said diaphragms, the latter must be 1i ht as well as strong, and must be readily shaped for instance by folding, embossing or the like. Suitable results are afforded by glazed paper, Bristol paper and chiefly by acetate of cellulose.
What I claim is:
1. A purifier of sounds, adapted to be juxtaposed or combined with an acoustic emit-- ter, comprising a box made of light material which is but little susceptible of vibration" As shown in Figs. 1, 2, 3, the said diaphragms are direction of the corrugations of the adjacent directions of the corrugations ofeach diadiaphragm. phragm making a certain angle with the 2. A purifier of sounds, adapted to be juxdirection of the corrugations of the adjacent taposed or combined with an acoustic emitdiaphragm, and means formaintaining the 5 ter, comprising a box made of light material said ,diaphragms within the said box. 15
which is but little susceptible of vibration In testimony that I claim the foregoing and having apertures formed in the lateral as my invention, I have signed my-name I faces of the box, a plurality of corrugated hereto.
diaphragms made of a light and strong sub- 10 stance and disposed Within the said box, the HENRY LION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR580581T | 1924-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1620367A true US1620367A (en) | 1927-03-08 |
Family
ID=8956888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US24078A Expired - Lifetime US1620367A (en) | 1924-04-23 | 1925-04-18 | Sound-purifying device |
Country Status (3)
Country | Link |
---|---|
US (1) | US1620367A (en) |
FR (1) | FR580581A (en) |
GB (1) | GB232965A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849533A (en) * | 1951-12-12 | 1958-08-26 | Dictaphone Corp | Headphone device |
US3366748A (en) * | 1964-09-22 | 1968-01-30 | Artnell Company | Loudspeaker diaphragm and driver |
US20170305103A1 (en) * | 2016-04-20 | 2017-10-26 | Scorrboard, Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
US10800133B2 (en) | 2016-04-20 | 2020-10-13 | Scorrboard, Llc | System and method for producing a facing for a board product with strategically placed scores |
US11001027B2 (en) | 2013-03-15 | 2021-05-11 | Scorrboard Llc | Methods and apparatus and systems for establishing a registered score, slit or slot in a corrugated board, and articles produced there from |
US11027513B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing an articulating board product having a facing with score lines in register to fluting |
US11420417B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting therefrom |
US11446893B2 (en) | 2016-04-20 | 2022-09-20 | Scorrboard Llc | System and method for producing a multi-layered board having a medium with improved structure |
-
1924
- 1924-04-23 FR FR580581D patent/FR580581A/en not_active Expired
-
1925
- 1925-04-18 US US24078A patent/US1620367A/en not_active Expired - Lifetime
- 1925-04-22 GB GB10515/25A patent/GB232965A/en not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849533A (en) * | 1951-12-12 | 1958-08-26 | Dictaphone Corp | Headphone device |
US3366748A (en) * | 1964-09-22 | 1968-01-30 | Artnell Company | Loudspeaker diaphragm and driver |
US11001027B2 (en) | 2013-03-15 | 2021-05-11 | Scorrboard Llc | Methods and apparatus and systems for establishing a registered score, slit or slot in a corrugated board, and articles produced there from |
US11420418B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting there from |
US11420417B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting therefrom |
JP2019514724A (en) * | 2016-04-20 | 2019-06-06 | スコアボード, エルエルシーScorrboard, Llc | System and method for producing a multilayer board having at least two different cores and at least three cores |
US11027513B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing an articulating board product having a facing with score lines in register to fluting |
US11027515B2 (en) * | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
US10800133B2 (en) | 2016-04-20 | 2020-10-13 | Scorrboard, Llc | System and method for producing a facing for a board product with strategically placed scores |
US20170305103A1 (en) * | 2016-04-20 | 2017-10-26 | Scorrboard, Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
US11446893B2 (en) | 2016-04-20 | 2022-09-20 | Scorrboard Llc | System and method for producing a multi-layered board having a medium with improved structure |
US11458702B2 (en) | 2016-04-20 | 2022-10-04 | Scorrboard, Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
US11465386B2 (en) | 2016-04-20 | 2022-10-11 | Scorrboard, Llc | Method for producing multi-layered board having at least three mediums with at least two mediums being different |
US11465385B2 (en) | 2016-04-20 | 2022-10-11 | Scorrboard Llc | System and method for producing a facing for a board product with strategically placed scores |
Also Published As
Publication number | Publication date |
---|---|
GB232965A (en) | 1925-08-13 |
FR580581A (en) | 1924-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4439644A (en) | Loud speaker enclosure | |
US4809811A (en) | Ear pad construction for earphones | |
US1965830A (en) | Acoustic device | |
KR860007841A (en) | An electroacoustic device | |
US1620367A (en) | Sound-purifying device | |
US3867996A (en) | Speaker enclosure | |
JPS58501251A (en) | Loudspeaker device for producing interferential sound | |
US1807225A (en) | Sound propagating diaphragm | |
US2167625A (en) | Speaker unit | |
GB300744A (en) | Improvements relating to devices for the interconversion of electric oscillations and sound waves or equivalent mechanical vibrations | |
US1840992A (en) | Sound reproducing device | |
US1560502A (en) | Sound-reproducing device | |
US3547221A (en) | Acoustical apparatus | |
US1759328A (en) | Sound reproducer | |
SU836652A1 (en) | Noise suppressing device | |
US1445915A (en) | Phonograph tone chamber | |
US1743767A (en) | Sound-reproducing diaphragm | |
US1981962A (en) | Acoustical device | |
US1722020A (en) | Sound reproducer | |
US1698374A (en) | Sound-regenerating device | |
US1673939A (en) | Diaphragm for loud speakers | |
US1558189A (en) | Radio and phonographic amplifying resonator | |
US1789700A (en) | Sound reproducing and amplifying system | |
US1453879A (en) | Amplifier | |
US1913451A (en) | Acoustic apparatus |