AU542285B2 - Communications face mask - Google Patents

Communications face mask

Info

Publication number
AU542285B2
AU542285B2 AU71657/81A AU7165781A AU542285B2 AU 542285 B2 AU542285 B2 AU 542285B2 AU 71657/81 A AU71657/81 A AU 71657/81A AU 7165781 A AU7165781 A AU 7165781A AU 542285 B2 AU542285 B2 AU 542285B2
Authority
AU
Australia
Prior art keywords
face mask
communications face
communications
mask
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.)
Ceased
Application number
AU71657/81A
Other versions
AU7165781A (en
Inventor
Robert Ingalls
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
Priority to US16941980A priority Critical
Priority to US169419 priority
Application filed by Gentex Corp filed Critical Gentex Corp
Publication of AU7165781A publication Critical patent/AU7165781A/en
Application granted granted Critical
Publication of AU542285B2 publication Critical patent/AU542285B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
AU71657/81A 1980-07-16 1981-06-11 Communications face mask Ceased AU542285B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16941980A true 1980-07-16 1980-07-16
US169419 1980-07-16

Publications (2)

Publication Number Publication Date
AU7165781A AU7165781A (en) 1982-01-21
AU542285B2 true AU542285B2 (en) 1985-02-14

Family

ID=22615605

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71657/81A Ceased AU542285B2 (en) 1980-07-16 1981-06-11 Communications face mask

Country Status (4)

Country Link
AU (1) AU542285B2 (en)
DE (2) DE3127677C2 (en)
FR (1) FR2495424B1 (en)
GB (1) GB2081550B (en)

Families Citing this family (6)

* 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 (en) * 1983-12-27 1985-09-10 Akg Akustische Kino Geraete Arrangement for voice transfer from a respiratory mask
AT381605B (en) * 1984-10-25 1986-11-10 Akg Akustische Kino Geraete Respiratory mask in which except the speaking membrane for the close communication is also an electroacoustic converter for the indirect voice transmission from the mask
US4736740A (en) * 1985-09-09 1988-04-12 Robin Parker Gas mask with voice communication device
DE9409320U1 (en) * 1994-06-08 1995-07-06 Berlin Florence Respirator and microphone holder for use therein
GB9908380D0 (en) * 1999-04-14 1999-06-09 Carpenter Robert L Rob Carpenter's voice thrower

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1391666A (en) * 1961-12-20 1965-03-12 Improvements in protective masks
US3180333A (en) * 1963-05-29 1965-04-27 Acme Prot Equipment Co Gas mask communication system
FR1535622A (en) * 1967-06-27 1968-08-09 Fernez & Cie Improvements in respiratory protection masks
US4150262A (en) * 1974-11-18 1979-04-17 Hiroshi Ono Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus
DE2600294A1 (en) * 1976-01-07 1977-07-14 Michael Dipl Ing Pabst AC connector for LF transmission headphones - has two coupling elements with planar coupling surfaces held together magnetically
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
FR2495424A1 (en) 1982-06-04
FR2495424B1 (en) 1986-03-21
GB2081550B (en) 1984-12-19
DE3127677C2 (en) 1991-05-02
GB2081550A (en) 1982-02-17
AU7165781A (en) 1982-01-21
DE3153678C2 (en) 1992-04-02
DE3127677A1 (en) 1982-04-29

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