AT342129B - Gas- oder rauchmaske - Google Patents

Gas- oder rauchmaske

Info

Publication number
AT342129B
AT342129B AT703275A AT703275A AT342129B AT 342129 B AT342129 B AT 342129B AT 703275 A AT703275 A AT 703275A AT 703275 A AT703275 A AT 703275A AT 342129 B AT342129 B AT 342129B
Authority
AT
Austria
Prior art keywords
gas
smoke mask
smoke
mask
Prior art date
Application number
AT703275A
Other languages
English (en)
Other versions
ATA703275A (de
Original Assignee
Haasler Dipl Ing Walter C
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 Haasler Dipl Ing Walter C filed Critical Haasler Dipl Ing Walter C
Priority to AT703275A priority Critical patent/AT342129B/de
Publication of ATA703275A publication Critical patent/ATA703275A/de
Application granted granted Critical
Publication of AT342129B publication Critical patent/AT342129B/de

Links

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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
AT703275A 1975-09-12 1975-09-12 Gas- oder rauchmaske AT342129B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT703275A AT342129B (de) 1975-09-12 1975-09-12 Gas- oder rauchmaske

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT703275A AT342129B (de) 1975-09-12 1975-09-12 Gas- oder rauchmaske

Publications (2)

Publication Number Publication Date
ATA703275A ATA703275A (de) 1977-07-15
AT342129B true AT342129B (de) 1978-03-10

Family

ID=3592104

Family Applications (1)

Application Number Title Priority Date Filing Date
AT703275A AT342129B (de) 1975-09-12 1975-09-12 Gas- oder rauchmaske

Country Status (1)

Country Link
AT (1) AT342129B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378652B (de) * 1983-12-27 1985-09-10 Akg Akustische Kino Geraete Anordnung zur sprachuebertragung aus einer atemschutzmaske
DE3537492A1 (de) * 1984-10-25 1986-05-07 AKG Akustische u. Kino-Geräte GmbH, Wien Atemschutzmaske, bei der ausser der sprechmembran fuer die nahverstaendigung auch ein elektroakustisches wandlersystem fuer die indirekte sprachuebertragung aus der maske vorgesehen ist

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378652B (de) * 1983-12-27 1985-09-10 Akg Akustische Kino Geraete Anordnung zur sprachuebertragung aus einer atemschutzmaske
DE3537492A1 (de) * 1984-10-25 1986-05-07 AKG Akustische u. Kino-Geräte GmbH, Wien Atemschutzmaske, bei der ausser der sprechmembran fuer die nahverstaendigung auch ein elektroakustisches wandlersystem fuer die indirekte sprachuebertragung aus der maske vorgesehen ist
US4756308A (en) * 1984-10-25 1988-07-12 Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask

Also Published As

Publication number Publication date
ATA703275A (de) 1977-07-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee