EP1161282B1 - Sauerstoffinhalationsmaske mit schallaufnahmevorrichtung - Google Patents

Sauerstoffinhalationsmaske mit schallaufnahmevorrichtung Download PDF

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Publication number
EP1161282B1
EP1161282B1 EP99956097A EP99956097A EP1161282B1 EP 1161282 B1 EP1161282 B1 EP 1161282B1 EP 99956097 A EP99956097 A EP 99956097A EP 99956097 A EP99956097 A EP 99956097A EP 1161282 B1 EP1161282 B1 EP 1161282B1
Authority
EP
European Patent Office
Prior art keywords
capsule
mask
mask according
mouthpiece
lips
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
Application number
EP99956097A
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English (en)
French (fr)
Other versions
EP1161282A1 (de
Inventor
Gérard Thomson-CSF Propr.Intellectuel REYNAUD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thales Avionics SAS filed Critical Thales Avionics SAS
Publication of EP1161282A1 publication Critical patent/EP1161282A1/de
Application granted granted Critical
Publication of EP1161282B1 publication Critical patent/EP1161282B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component 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 weapons aircraft.
  • the object of the present invention is to improve the masks existing to improve their acoustic characteristics.
  • an oxygen inhaler mask is proposed with sound recording device comprising a flexible cap pierced with an access respiratory 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 intended that, in the mask, come and position the pilot's mouth, 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 at the plane tangent to the two lips, just in front of the mouth.
  • FIG. 1 represents, seen from the side, the face of a pilot and, pressed against this face and seen in vertical section, the flexible cap 1, in natural rubber, oxygen inhaler mask.
  • the flexible cap 1 in natural rubber, 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 nothing to understand the invention.
  • the cap In relation to a horizontal plane which would pass through the commissure pilot's lips, the cap is pierced with a hole, A, 34 mm in diameter located below this plane and includes a housing, 10, 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. Respiratory access of the mask is placed on the left flank of the cap.
  • the housing 10 constitutes a kind of cavity whose walls form a first and a second outgrowth, respectively on the outer wall and on the inner wall of the cap.
  • the first one protuberance is closed while the second is pierced with a hole cylindrical.
  • a microphone capsule, 2, marketed by the company SILEC under the reference S4045, is embedded in the second protuberance where it remains in abutment on the edges of the hole cylindrical.
  • a lug 11 perpendicular to the outer wall of the cap constitutes a means of holding the cap in the shell; the lug has a mushroom shape and the cap is pressed against the internal surface of the shell with the stem of the "fungus” which passes through a hole in the shell and the head of the "mushroom” which is flattened against the outer surface of the shell.
  • This lug like the walls of the housing 10, is made of the same material as the rest of the cap.
  • the assembly according to FIG. 1 has various faults, in particular: too high sensitivity to extraneous noise, bandwidth reduced and not flat above 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 but above all the position of the capsule in the cap was redesigned, means have been implemented to concentrate useful acoustic emissions on the capsule and other means have been designed to limit the phenomena that may cause saturation of the capsule and to limit headphone noise such as noise opening and closing of intake valves and valves oxygen and expiration.
  • Figure 2 differs from Figure 1 only as regards the microphone part. Indeed the cap 1 remains unchanged but the microphone capsule is no longer embedded in the housing 10; in its place an adaptation part S partially penetrates into the housing where it is stuck; the part of room S outside the accommodation has an arm at the end of which is mounted a microphone assembly, E, with a horn C and, at the back of the horn, an acoustic chamber G whose side wall is pierced with holes.
  • the axis of the horn passes substantially through the commissure of the pilot's lips and that the opening of the horn is located in a plane substantially parallel to the labial plane i.e. the plane tangent to both lips, just in front of the mouth; the labial plane is perpendicular to the plane of the Figure 2, its trace in the plane of Figure 2 has been drawn in an axis.
  • a deflector, D constituted by a aluminum plate, is interposed between the location of the capsule 2 and access A; this plate is screwed into the cap 1 at its upper stop located a little above access A.
  • FIG. 3 A second implementation of the mask according to the invention is illustrated by Figure 3. It is no longer, here, a mask, according to art anterior, adapted according to the invention, but of a specially designed mask for the implementation of the invention.
  • FIGS. 4a, 4b show this part adaptation top view and side view, with an upper part bowl and a lower part pierced with a cylindrical hole.
  • FIG. 5a is a longitudinal view in section of the horn C with the screen F.
  • 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 between the horn and the chamber after fitting these two parts into one another.
  • This solution allows an easy assembly-disassembly, without tools, of the horn, for the operations of maintenance.
  • the horn has an elliptical section opening, the largest of which dimension is parallel to the commissure of the user's lips
  • FIG. 5d is a view, in section, perpendicular to the axis of the horn, relative to the microphone set if this set does not have, 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 user's lips.
  • the figures 5a, 5b, 5c are the same for a single microphone set capsule and for a microphone set with two capsules; he is also note that in the case of two capsules, each capsule is connected to the on-board electronics by a different pair of wires, this allows, in some applications, to have a spare 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 system voice command.
  • a set microphone with two capsules adaptation piece 5 according to the figures 4a, 4b must be modified: its lower part pierced with a hole must be enlarged and the hole enlarged so that the rear part can be inserted therein of the microphone set E.
  • Deflector D has been improved: it is no longer a part practically flat but a curved piece better suited to its role acoustic screen.
  • the deflector D is seen from the side; of them figures, 6a and 6b, show the deflector again but seen 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 located below the deflector.
  • Figure 6a appear three holes for fixing 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 part in the form of increasing.
  • Figures 7 and 8 are two block diagram 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 electronics on board the aircraft;
  • the connector used for pilot masks is a releasable connector in the sense that the two complementary sockets, one male, the other female, which compose it, separate in case of strong traction on the connection cable.
  • the present invention is not limited to the examples described but concerns all inhaler masks fitted with a device microphone with horn whose opening is placed in front of the mouth of the pilot.

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)

Claims (8)

  1. Sauerstoffinhalationsmaske mit Schallaufnahmevorrichtung, die eine mit einem Ausatmenanschluss (A) versehene flexible Haube (1) und eine über dem Anschluss angeordnete Mikrofonkapsel (2) aufweist, dadurch gekennzeichnet, dass sie ein Horn (C) aufweist, dass dieses Horn vor der Kapsel so angebracht ist, dass seine Öffnung zu der Stelle weist, an der in der Maske der Mund des Piloten positioniert werden soll, und dass unter Berücksichtigung dieser Position des Munds die Achse des Horns im Wesentlichen den Mundwinkel durchquert und seine Öffnung im Wesentlichen parallel zur Lippenebene, das heißt zu der tangential zu den beiden Lippen verlaufenden Ebene, kurz vor dem Mund verläuft.
  2. Maske nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung des Horns (C) eine elliptische Form aufweist, wobei die größte Abmessung der Ellipse parallel zum Mundwinkel verläuft.
  3. Maske nach Anspruch 1, dadurch gekennzeichnet, dass das Horn (C) eine in seiner Öffnung angeordnete Schallwand (F) aufweist.
  4. Maske nach Anspruch 3, dadurch gekennzeichnet, dass die Wand (F) aus einem Metallgitter besteht.
  5. Maske nach Anspruch 1, dadurch gekennzeichnet, dass sie eine fest mit der Haube verbundene Ablenkvorrichtung (D) aufweist, die zwischen der Kapsel (2) und dem Ausatemanschluss (A) angeordnet ist.
  6. Maske nach einem der vorhergehenden Ansprüche, die ein Kabel (K) und einen von zwei komplementären Anschlüssen für einen lösbaren Verbinder (J) aufweist, der an einem ersten Ende des Kabels angeschlossen ist, dadurch gekennzeichnet, dass das zweite Ende des Kabels direkt an der Kapsel (2) angeschlossen ist.
  7. Maske nach Anspruch 1, dadurch gekennzeichnet, dass sie mehrere fest mit der Haube (1) verbundene Nocken (11, 11', 11'') aufweist, die im Wesentlichen senkrecht zur Außenfläche der Haube angeordnet sind.
  8. Maske nach Anspruch 1, dadurch gekennzeichnet, dass sie eine zusätzliche Mikrofonkapsel (2') aufweist und dass die beiden Kapseln (2, 2') nebeneinander an der Basis des Horns angebracht sind.
EP99956097A 1998-11-25 1999-11-19 Sauerstoffinhalationsmaske mit schallaufnahmevorrichtung Expired - Lifetime EP1161282B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9814854 1998-11-25
FR9814854A FR2786107B1 (fr) 1998-11-25 1998-11-25 Masque inhalateur d'oxygene avec dispositif de prise de son
PCT/FR1999/002853 WO2000030716A1 (fr) 1998-11-25 1999-11-19 Masque inhalateur d'oxygene avec dispositif de prise de son

Publications (2)

Publication Number Publication Date
EP1161282A1 EP1161282A1 (de) 2001-12-12
EP1161282B1 true EP1161282B1 (de) 2004-09-01

Family

ID=9533180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99956097A Expired - Lifetime EP1161282B1 (de) 1998-11-25 1999-11-19 Sauerstoffinhalationsmaske mit schallaufnahmevorrichtung

Country Status (8)

Country Link
US (1) US6997178B1 (de)
EP (1) EP1161282B1 (de)
JP (1) JP2003512087A (de)
AU (1) AU756473B2 (de)
DE (1) DE69919907T2 (de)
FR (1) FR2786107B1 (de)
IL (1) IL143327A (de)
WO (1) WO2000030716A1 (de)

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WO2003008043A1 (en) * 2001-07-18 2003-01-30 Avon Rubber & Plastics, Inc. Respirator module with speech transmission and exhalation valve
FR2842064B1 (fr) * 2002-07-02 2004-12-03 Thales Sa Systeme de spatialisation de sources sonores a performances ameliorees
EP1893264B1 (de) * 2005-06-14 2016-02-24 ResMed Limited Akklimatisierungstherapie für erstmalige cpap- und niv-anwender
US20080304690A1 (en) * 2007-06-11 2008-12-11 Harold Timothy Poindexter Mouth shield for microphones
FR2942127B1 (fr) * 2009-02-16 2011-09-02 Centre Nat Rech Scient Dispositif pneumotachographique
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 (de) * 2012-04-10 2015-07-09 Dräger Safety AG & Co. KGaA Atemschutzmaske
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 (ko) * 2014-08-13 2015-04-08 김종기 노즈 마스크
TWI602518B (zh) * 2016-07-12 2017-10-21 張煥禎 吸音裝置
DE102016217082A1 (de) 2016-09-08 2018-03-08 Msa Europe Gmbh Kommunikationsvorrichtung zur Verwendung mit einem Personenschutzsystem
USD877886S1 (en) 2018-04-24 2020-03-10 Ataia Inc. Communication device for hard plastic masks
US11284201B2 (en) 2017-04-24 2022-03-22 Ataia Inc. Systems and methods for communicating through a hard plastic mask
US20200359137A1 (en) 2017-04-24 2020-11-12 Ataia Inc. Systems and methods for communicating through a hard plastic mask
WO2018200535A1 (en) * 2017-04-24 2018-11-01 Ataia Inc. Systems and methods for communicating through a hard plastic mask
CN111465426A (zh) * 2017-10-04 2020-07-28 简易导气管公司 正压通气麦克风系统
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
KR200496058Y1 (ko) * 2020-07-28 2022-10-24 양경호 마스크용 음성 전달장치
KR102234853B1 (ko) * 2020-09-16 2021-04-01 양경호 마스크용 음성 전달장치
WO2022025501A1 (ko) * 2020-07-28 2022-02-03 주식회사 이보 마스크용 음성 전달장치
JP6976472B1 (ja) * 2021-06-11 2021-12-08 功憲 末次 音声増大装置、パーテーション、マスク、マウスシールドおよびフェイスシールド
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Also Published As

Publication number Publication date
JP2003512087A (ja) 2003-04-02
US6997178B1 (en) 2006-02-14
DE69919907T2 (de) 2005-09-22
FR2786107B1 (fr) 2001-02-16
WO2000030716A1 (fr) 2000-06-02
FR2786107A1 (fr) 2000-05-26
AU1277700A (en) 2000-06-13
DE69919907D1 (de) 2004-10-07
IL143327A0 (en) 2002-04-21
IL143327A (en) 2004-05-12
EP1161282A1 (de) 2001-12-12
AU756473B2 (en) 2003-01-16

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