EP1161282A1 - Oxygen inhaler mask with sound pickup device - Google Patents
Oxygen inhaler mask with sound pickup deviceInfo
- Publication number
- EP1161282A1 EP1161282A1 EP99956097A EP99956097A EP1161282A1 EP 1161282 A1 EP1161282 A1 EP 1161282A1 EP 99956097 A EP99956097 A EP 99956097A EP 99956097 A EP99956097 A EP 99956097A EP 1161282 A1 EP1161282 A1 EP 1161282A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- horn
- cap
- mask
- capsule
- mask according
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
Definitions
- the present invention relates to oxygen inhaler masks with which a sound recording device is associated and which are used, in particular, by pilots of military aircraft.
- the known masks are not satisfactory acoustically when the conditions of use are poor or when specific operations, such as voice recognition, are to be implemented.
- the object of the present invention is to improve existing masks in order to improve their acoustic characteristics. This is achieved, in particular, by modifying the sound recording inside the mask.
- an oxygen inhaler mask with sound pick-up device comprising a flexible cap pierced with a respiratory access and a microphone capsule placed above the access, characterized in that it comprises a horn, in that this horn is mounted in front of the capsule, with its opening facing the location where it is expected that, in the mask, the pilot's mouth will be positioned, and, considering this position of the mouth, in that the horn has its axis which passes substantially through the commissure of the lips and its opening which is substantially parallel to the lip plane, that is to say to the plane tangent to the two lips, just in front of the mouth.
- FIG. 1 a mask according to the prior art
- FIG. 2 a first mask according to the invention
- FIG. 3 a second mask according to the invention
- FIGS. 4a, 4b, 5a, 5b, 5c, 5d and 6a, 6b views of elements specific to the mask according to FIG. 3, - Figures 7 and 8, two diagrams respectively relating to the masks according to Figures 1 on the one hand and 2, 3 on the other hand.
- the corresponding elements are designated by the same references.
- Figure 1 shows, seen from the side, the face of a pilot and, pressed against this face and seen in vertical section, the flexible cap 1, made of natural rubber, of an oxygen inhaler mask.
- the flexible cap 1 made of natural rubber, of an oxygen inhaler mask.
- the rigid shell which covers the cap 1 on the side opposite the face has not been shown to simplify the drawing and because it does not contribute to the understanding of the invention.
- the cap Relative to a horizontal plane which would pass through the commissure of the pilot's lips, the cap is pierced with a hole, A, of 34 mm in diameter located below this plane and comprises a housing, 1 0, for microphone capsule. , located above this plane.
- the hole A constitutes the expiratory access of the cap, it allows the mounting of an exhalation valve not shown.
- the respiratory access of the mask is placed on the left flank of the cap.
- the housing 1 0 constitutes a kind of cavity, the walls of which form a first and a second protuberance, respectively on the outer wall and on the inner wall of the cap.
- the first protuberance is closed while the second is pierced with a cylindrical hole.
- a microphone capsule, 2, sold by the company SILEC under the reference S4045, is embedded in the second protuberance where it is kept in abutment on the edges of the cylindrical hole.
- a lug 1 1 perpendicular to the outer wall of the cap constitutes a means for holding the cap in the shell; the lug has the shape of a mushroom and the cap is pressed against the internal surface of the shell with the stem of the "mushroom” which passes through a hole in the shell and the head of the "mushroom” which is pressed against the surface outer shell.
- This lug like the walls of the housing 1 0, is made of the same material as the rest of the cap.
- the assembly according to FIG. 1 has various faults, in particular: too great sensitivity to parasitic noise, reduced and non-flat bandwidth beyond 4 kHz, tendency to acoustic saturation when the pilot speaks aloud ...
- a first implementation of the mask according to the invention it has been proposed to improve the acoustic functioning, while retaining the original cap.
- a search for more efficient microphone capsules was naturally carried out, but above all the position of the capsule in the cap has been redesigned, means have been used to concentrate the useful acoustic emissions on the capsule and to 'Other means have been provided to limit the phenomena which can lead to saturation of the capsule and to limit the noises linked to the helmet such as the noises of opening and closing of the valves and valves for oxygen intake and exhalation.
- Figure 2 differs from Figure 1 only with regard to the microphone part. Indeed the cap 1 remains unchanged but the microphone capsule is no longer encrusted in the housing 1 0; in its place an adaptation part S partially penetrates into the housing where it is stuck; the part of the part S outside the housing has an arm at the end of which is mounted a microphone unit, E, with a horn C and, at the rear of the horn, an acoustic chamber G whose side wall is pierced with holes. Inside the chamber is arranged a microphone capsule, 2, sold by the company Panasonic under the reference WM53; the holes drilled in the chamber ensure a better functioning of the capsule by performing a high-pass filtering with a cut-off frequency of the order of 1 00 Hz.
- the axis of the horn passes substantially through the commissure of the pilot's lips and that the opening of the horn is situated in a plane substantially parallel to the lip plane, that is to say to the plane tangent to the two lips, just in front of the mouth; the labial plane is perpendicular to the plane of Figure 2, its trace in the plane of Figure 2 has been drawn in center line.
- a deflector, D constituted by an aluminum plate, is interposed between the location of the capsule 2 and the access A; this plate is screwed into the cap 1 at its upper stop located a little above the access A.
- FIG. 3 A second implementation of the mask according to the invention is illustrated in FIG. 3. It is no longer a question here of a mask, according to the prior art, adapted according to the invention, but of a mask specially designed for implementing the invention.
- the flexible cap 1 has been re-studied:
- the housing 1 0 has been reduced in volume and no longer forms a protrusion on the outer wall of the cap; this reduction in volume of the housing 10 makes it possible to increase the space available towards the bottom of the mask, which allows optimal placement of the microphone assembly in the axis of the mouth and makes it possible to propose removable horns produced in different sizes, that is to say in different book heights, in order to position the opening of the horn taking into account the morphology of the lower face of the user of the mask.
- the horn is offered in four different heights between 1 0 and 1 8 mm; the objective is to make the distance between the lips and the horn as small as the condition of "non-discomfort" allows, which means that the lips are never in contact with the horn; in FIG. 3, this possibility of choosing between several heights of horns has been illustrated by a first horn in solid line, adapted to the position of the lips of the user and a second horn set back from the first and the front of which is drawn in broken line.
- FIGS. 4a, 4b show this adaptation piece seen from above and seen from the side, with an upper part in a bowl and a lower part pierced with a cylindrical hole.
- FIGS. 5a, 5b, 5c relate to this microphone assembly which comprises: the horn, referenced C, with the acoustic screen, referenced F, and the acoustic chamber, referenced G, with its front part which constitutes the housing for microphone capsule and its rear part laterally pierced with holes.
- Figure 5a is a longitudinal sectional view of the horn C with the screen F.
- Figure 5b is a view, also in longitudinal section, of the acoustic chamber G; this figure shows a circular groove, T, which surrounds the chamber G in its front part and which serves as a housing for an O-ring, not shown; this O-ring is intended to ensure a good mechanical connection horn-chamber after fitting of these two parts into one another.
- This solution allows easy assembly-disassembly, without tools, of the horn, for maintenance operations.
- the horn has an opening of elliptical section, the largest dimension of which is parallel to the commissure of the lips of the user.
- FIG. 5d is a view, in section, perpendicular to the axis of the horn, relating to the microphone assembly in the case where this assembly does not comprise, at the base of the horn, a single microphone capsule but two capsules, 2, 2 '; this is possible due to the small size of the capsules used.
- the two capsules are mounted side by side in a space whose largest dimension is horizontal and parallel to the commissure of the lips of the user. It should be noted that FIGS.
- 5a, 5b, 5c are the same for a microphone assembly with a single capsule and for a microphone assembly with two capsules; it should also be noted that in the case of two capsules, each capsule is connected to the on-board electronics by a different pair of wires, this makes it possible, in certain applications, to have a replacement capsule for the case where the capsule usually used would break down and, in other applications, to dedicate one of the two capsules to a voice-activated system.
- the adaptation piece 5 according to FIGS. 4a, 4b must be modified: its lower part pierced with a hole must be widened and the hole enlarged so that it can be introduced therein. the rear part of the microphone assembly E.
- the deflector D has been improved: it is no longer a practically flat part but a curved part better suited to its role as an acoustic screen.
- Figure 3 the deflector D is seen from the side; two figures, 6a and 6b, again show the deflector but viewed respectively from above and from the side, with this second side view which is at right angles to the first and which is taken from the side of the cap 1 situated below of the deflector.
- three holes appear which allow the fixing of the deflector by screws in the cap 1; these holes are distributed over a flat half-collar whose edge concave constitutes the convex edge of a curved crescent-shaped part.
- Figures 7 and 8 are two diagrammatic type representations relating respectively to a mask according to the prior art and according to the invention.
- the signals supplied by the capsule are of a very low level and need to be amplified in a pre-amplifier before being transmitted, via a connection cable K provided with a connector J, to the on-board electronics of the aircraft;
- the connector used for the pilot masks is a releasable connector in the sense that the two complementary sockets, one male, the other female, which compose it, separate in the event of strong traction on the cable connection.
- the signals supplied by the capsule are of a sufficient level so as not to require a preamplifier between the capsule and the connection cable.
- K provided with its releasable connector J.
- the present invention is not limited to the examples described but relates to all inhaler masks provided with a microphone device with a horn, the opening of which is placed in front of the pilot's mouth.
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9814854A FR2786107B1 (en) | 1998-11-25 | 1998-11-25 | OXYGEN INHALER MASK WITH SOUND TAKING DEVICE |
FR9814854 | 1998-11-25 | ||
PCT/FR1999/002853 WO2000030716A1 (en) | 1998-11-25 | 1999-11-19 | Oxygen inhaler mask with sound pickup device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1161282A1 true EP1161282A1 (en) | 2001-12-12 |
EP1161282B1 EP1161282B1 (en) | 2004-09-01 |
Family
ID=9533180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99956097A Expired - Lifetime EP1161282B1 (en) | 1998-11-25 | 1999-11-19 | Oxygen inhaler mask with sound pickup device |
Country Status (8)
Country | Link |
---|---|
US (1) | US6997178B1 (en) |
EP (1) | EP1161282B1 (en) |
JP (1) | JP2003512087A (en) |
AU (1) | AU756473B2 (en) |
DE (1) | DE69919907T2 (en) |
FR (1) | FR2786107B1 (en) |
IL (1) | IL143327A (en) |
WO (1) | WO2000030716A1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE422378T1 (en) * | 2001-07-18 | 2009-02-15 | Avon Protection Systems Inc | RESPIRATOR MODULE WITH VOICE TRANSMISSION AND EXHALATION VALVE |
FR2842064B1 (en) * | 2002-07-02 | 2004-12-03 | Thales Sa | SYSTEM FOR SPATIALIZING SOUND SOURCES WITH IMPROVED PERFORMANCE |
EP1893264B1 (en) * | 2005-06-14 | 2016-02-24 | ResMed Limited | Acclimatization therapy for first time cpap and niv users |
US20080304690A1 (en) * | 2007-06-11 | 2008-12-11 | Harold Timothy Poindexter | Mouth shield for microphones |
FR2942127B1 (en) * | 2009-02-16 | 2011-09-02 | Centre Nat Rech Scient | PNEUMOTACHOGRAPHIC DEVICE |
US8996382B2 (en) * | 2010-10-14 | 2015-03-31 | Guy L. McClung, III | Lips blockers, headsets and systems |
US9669177B2 (en) | 2011-05-19 | 2017-06-06 | Dennis R. Coleman | Voice responsive fluid delivery, controlling and monitoring system and method |
DE102012007139B4 (en) * | 2012-04-10 | 2015-07-09 | Dräger Safety AG & Co. KGaA | Respirator |
US9943712B2 (en) | 2012-09-24 | 2018-04-17 | Dolores Speech Products Llc | Communication and speech enhancement system |
CA2885989A1 (en) | 2012-09-24 | 2014-03-27 | John Hamilton | Communication and speech enhancement system |
KR101509613B1 (en) * | 2014-08-13 | 2015-04-08 | 김종기 | Nose mask |
TWI602518B (en) * | 2016-07-12 | 2017-10-21 | 張煥禎 | Sound-absorbing device |
DE102016217082A1 (en) | 2016-09-08 | 2018-03-08 | Msa Europe Gmbh | Communication device for use with a personal protection system |
US10136225B2 (en) | 2017-04-24 | 2018-11-20 | Ataia Inc. | Systems and methods for communicating through a hard plastic mask |
US11284201B2 (en) | 2017-04-24 | 2022-03-22 | Ataia Inc. | Systems and methods for communicating through a hard plastic mask |
USD877886S1 (en) | 2018-04-24 | 2020-03-10 | Ataia Inc. | Communication device for hard plastic masks |
US20200359137A1 (en) | 2017-04-24 | 2020-11-12 | Ataia Inc. | Systems and methods for communicating through a hard plastic mask |
CN111465426A (en) * | 2017-10-04 | 2020-07-28 | 简易导气管公司 | Positive pressure ventilation microphone system |
US20200128310A1 (en) * | 2018-03-13 | 2020-04-23 | Gregory T. Umhoefer | Systems and Methods Related to Voice Privacy |
US20190289109A1 (en) * | 2018-03-13 | 2019-09-19 | Gregory Thomas Umhoefer | Apparatus and Methods for Voice Privacy with Headphones |
USD954269S1 (en) | 2018-04-24 | 2022-06-07 | Ataia, Inc. | Communication device for hard plastic masks |
KR102234853B1 (en) * | 2020-09-16 | 2021-04-01 | 양경호 | Sound Transmitting Device for Mask |
WO2022025501A1 (en) * | 2020-07-28 | 2022-02-03 | 주식회사 이보 | Voice transmission device for mask |
KR200496058Y1 (en) * | 2020-07-28 | 2022-10-24 | 양경호 | Sound Transmitting Device for Mask |
JP6976472B1 (en) * | 2021-06-11 | 2021-12-08 | 功憲 末次 | Voice booster, partition, mask, mouse shield and face shield |
WO2023194827A1 (en) * | 2022-04-04 | 2023-10-12 | 3M Innovative Properties Company | Local voice recognition and processing within a head worn device |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US2950360A (en) * | 1956-11-27 | 1960-08-23 | Baldwin Piano Co | Microphone support structure |
US3314424A (en) * | 1962-11-14 | 1967-04-18 | Douglas Aircraft Co Inc | Microphone support device for a mask |
US3633705A (en) * | 1970-09-21 | 1972-01-11 | Telex Corp The | Noise-cancelling microphone |
US3910269A (en) * | 1972-05-22 | 1975-10-07 | Sierra Eng Co | Integrated helmet and mask structure |
GB1587121A (en) * | 1976-05-14 | 1981-04-01 | Secr Defence | Protective clothing |
US4072831A (en) * | 1976-09-10 | 1978-02-07 | Instrument Systems Corporation | Voice transmitting apparatus for a breathing mask |
EP0101292B1 (en) * | 1982-08-18 | 1987-10-28 | Avon Industrial Polymers Limited | Respirator speech transmitter |
AT378652B (en) * | 1983-12-27 | 1985-09-10 | Akg Akustische Kino Geraete | ARRANGEMENT FOR VOICE TRANSFER FROM A RESPIRATORY MASK |
US4901356A (en) * | 1987-12-18 | 1990-02-13 | Actron Manufacturing Company | Voice transmission system |
IT1216459B (en) * | 1988-02-26 | 1990-03-08 | Ind Pirelli S P A Milano Minis | PROTECTIVE MASK FOR OPERATIONAL INTERVENTIONS IN CONTAMINATED ENVIRONMENTS. |
US4980926A (en) * | 1989-01-05 | 1990-12-25 | Noetzel Walter R | Voice communication unit |
SE466188B (en) * | 1990-02-16 | 1992-01-13 | Hoek Instr Ab | ACOUSTIC RESPIRATORY DETECTOR |
DE9409320U1 (en) * | 1994-06-08 | 1995-07-06 | Berlin, Florence, Genf | Respirator and microphone holder for use therein |
US5503141A (en) * | 1995-01-13 | 1996-04-02 | Kettl; Lonnie J. | Microphone mounting structure for a sound amplifying respirator |
US5860417A (en) * | 1995-01-13 | 1999-01-19 | Kettl; Lonnie Joe | Microphone mounting structure for a sound amplifying respirator and/or bubble suit |
US5605145A (en) * | 1995-07-18 | 1997-02-25 | Puritan-Bennett Corporation | Microphone attenuation device for use in oxygen breathing masks |
FR2740689B1 (en) * | 1995-11-03 | 1998-01-23 | Comasec International | EYEPIECE FOR A RESPIRATORY PROTECTION MASK, MASK PROVIDED WITH THE EYEPIECE AND HELMET AND SCAPHANDRE PROVIDED WITH THE MASK |
FR2744277B1 (en) | 1996-01-26 | 1998-03-06 | Sextant Avionique | VOICE RECOGNITION METHOD IN NOISE AMBIENCE, AND IMPLEMENTATION DEVICE |
FR2744320B1 (en) | 1996-01-26 | 1998-03-06 | Sextant Avionique | SOUND AND LISTENING SYSTEM FOR HEAD EQUIPMENT IN NOISE ATMOSPHERE |
FR2744871B1 (en) | 1996-02-13 | 1998-03-06 | Sextant Avionique | SOUND SPATIALIZATION SYSTEM, AND PERSONALIZATION METHOD FOR IMPLEMENTING SAME |
AUPN915596A0 (en) * | 1996-04-04 | 1996-05-02 | Safety Equipment Australia Pty Ltd | A communication interface for breathing protection equipment |
-
1998
- 1998-11-25 FR FR9814854A patent/FR2786107B1/en not_active Expired - Lifetime
-
1999
- 1999-11-19 US US09/831,899 patent/US6997178B1/en not_active Expired - Fee Related
- 1999-11-19 JP JP2000583596A patent/JP2003512087A/en not_active Withdrawn
- 1999-11-19 EP EP99956097A patent/EP1161282B1/en not_active Expired - Lifetime
- 1999-11-19 AU AU12777/00A patent/AU756473B2/en not_active Ceased
- 1999-11-19 IL IL14332799A patent/IL143327A/en not_active IP Right Cessation
- 1999-11-19 WO PCT/FR1999/002853 patent/WO2000030716A1/en active IP Right Grant
- 1999-11-19 DE DE69919907T patent/DE69919907T2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0030716A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2786107B1 (en) | 2001-02-16 |
JP2003512087A (en) | 2003-04-02 |
DE69919907D1 (en) | 2004-10-07 |
DE69919907T2 (en) | 2005-09-22 |
IL143327A (en) | 2004-05-12 |
IL143327A0 (en) | 2002-04-21 |
EP1161282B1 (en) | 2004-09-01 |
AU1277700A (en) | 2000-06-13 |
AU756473B2 (en) | 2003-01-16 |
FR2786107A1 (en) | 2000-05-26 |
WO2000030716A1 (en) | 2000-06-02 |
US6997178B1 (en) | 2006-02-14 |
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