GB2081550B - Microphone arrangements for face masks - Google Patents

Microphone arrangements for face masks

Info

Publication number
GB2081550B
GB2081550B GB8118319A GB8118319A GB2081550B GB 2081550 B GB2081550 B GB 2081550B GB 8118319 A GB8118319 A GB 8118319A GB 8118319 A GB8118319 A GB 8118319A GB 2081550 B GB2081550 B GB 2081550B
Authority
GB
United Kingdom
Prior art keywords
face masks
microphone arrangements
microphone
arrangements
masks
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
Application number
GB8118319A
Other languages
English (en)
Other versions
GB2081550A (en
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.)
Gentex Corp
Original Assignee
Gentex Corp
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 Gentex Corp filed Critical Gentex Corp
Publication of GB2081550A publication Critical patent/GB2081550A/en
Application granted granted Critical
Publication of GB2081550B publication Critical patent/GB2081550B/en
Expired legal-status Critical Current

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

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)
GB8118319A 1980-07-16 1981-06-15 Microphone arrangements for face masks Expired GB2081550B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16941980A 1980-07-16 1980-07-16

Publications (2)

Publication Number Publication Date
GB2081550A GB2081550A (en) 1982-02-17
GB2081550B true GB2081550B (en) 1984-12-19

Family

ID=22615605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8118319A Expired GB2081550B (en) 1980-07-16 1981-06-15 Microphone arrangements for face masks

Country Status (4)

Country Link
AU (1) AU542285B2 (enrdf_load_stackoverflow)
DE (2) DE3153678C2 (enrdf_load_stackoverflow)
FR (1) FR2495424B1 (enrdf_load_stackoverflow)
GB (1) GB2081550B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508936A (en) * 1980-07-16 1985-04-02 Gentex Corporation Local external communication system
AT378652B (de) * 1983-12-27 1985-09-10 Akg Akustische Kino Geraete Anordnung zur sprachuebertragung aus einer atemschutzmaske
AT381605B (de) * 1984-10-25 1986-11-10 Akg Akustische Kino Geraete Atemschutzmaske, bei der ausser der sprechmembran fuer die nahverstaendigung auch ein elektro- akustischer wandler fuer die indirekte sprach- uebertragung aus der maske vorgesehen ist
US4736740A (en) * 1985-09-09 1988-04-12 Robin Parker Gas mask with voice communication device
DE9409320U1 (de) * 1994-06-08 1995-07-06 Berlin, Florence, Genf Atemschutzmaske und Mikrofonhalter zur Verwendung darin
GB9908380D0 (en) * 1999-04-14 1999-06-09 Carpenter Robert L Rob Carpenter's voice thrower
DE102020126041B3 (de) 2020-10-05 2022-04-07 Torsten Pfriem Mund-Nase-Maske

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1391666A (fr) * 1961-12-20 1965-03-12 Perfectionnements aux masques de protection
US3180333A (en) * 1963-05-29 1965-04-27 Acme Prot Equipment Co Gas mask communication system
FR1535622A (fr) * 1967-06-27 1968-08-09 Fernez & Cie Perfectionnements aux masques de protection des voies respiratoires
US4150262A (en) * 1974-11-18 1979-04-17 Hiroshi Ono Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus
DE2600294A1 (de) * 1976-01-07 1977-07-14 Michael Dipl Ing Pabst Wechselstromverbindung, insbesondere zur niederfrequenzuebertragung
US4072831A (en) * 1976-09-10 1978-02-07 Instrument Systems Corporation Voice transmitting apparatus for a breathing mask

Also Published As

Publication number Publication date
FR2495424B1 (fr) 1986-03-21
DE3127677C2 (enrdf_load_stackoverflow) 1991-05-02
AU7165781A (en) 1982-01-21
DE3127677A1 (de) 1982-04-29
GB2081550A (en) 1982-02-17
FR2495424A1 (fr) 1982-06-04
DE3153678C2 (enrdf_load_stackoverflow) 1992-04-02
AU542285B2 (en) 1985-02-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010614