DE9003237U1 - Hör-Sprech-Einrichtung - Google Patents

Hör-Sprech-Einrichtung

Info

Publication number
DE9003237U1
DE9003237U1 DE9003237U DE9003237U DE9003237U1 DE 9003237 U1 DE9003237 U1 DE 9003237U1 DE 9003237 U DE9003237 U DE 9003237U DE 9003237 U DE9003237 U DE 9003237U DE 9003237 U1 DE9003237 U1 DE 9003237U1
Authority
DE
Germany
Prior art keywords
borne sound
hearing
sound sensor
housing
speaking device
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
DE9003237U
Other languages
German (de)
English (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.)
Holmberg & Co Kg 1000 Berlin De GmbH
Original Assignee
Holmberg & Co Kg 1000 Berlin De GmbH
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 Holmberg & Co Kg 1000 Berlin De GmbH filed Critical Holmberg & Co Kg 1000 Berlin De GmbH
Priority to DE9003237U priority Critical patent/DE9003237U1/de
Publication of DE9003237U1 publication Critical patent/DE9003237U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Helmets And Other Head Coverings (AREA)
DE9003237U 1990-03-16 1990-03-16 Hör-Sprech-Einrichtung Expired - Lifetime DE9003237U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9003237U DE9003237U1 (de) 1990-03-16 1990-03-16 Hör-Sprech-Einrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9003237U DE9003237U1 (de) 1990-03-16 1990-03-16 Hör-Sprech-Einrichtung

Publications (1)

Publication Number Publication Date
DE9003237U1 true DE9003237U1 (de) 1990-05-23

Family

ID=6852151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9003237U Expired - Lifetime DE9003237U1 (de) 1990-03-16 1990-03-16 Hör-Sprech-Einrichtung

Country Status (1)

Country Link
DE (1) DE9003237U1 (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450576A1 (en) * 2001-10-30 2004-08-25 Temco Japan Co., Ltd. Transmitter/receiver worn on strap of mask or cap
WO2005004655A1 (en) * 2003-06-30 2005-01-20 Mine Safety Appliances Company Communications device for a protective helmet
EP3138430A1 (en) * 2015-09-01 2017-03-08 BAE Systems PLC Helmet for communications
WO2017037451A1 (en) * 2015-09-01 2017-03-09 Bae Systems Plc Helmet for communications

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450576A1 (en) * 2001-10-30 2004-08-25 Temco Japan Co., Ltd. Transmitter/receiver worn on strap of mask or cap
EP1450576A4 (en) * 2001-10-30 2008-06-25 Temco Japan ON A BAND OF A MASK OR CAP BORN TRANSMITTER / RECEIVER
WO2005004655A1 (en) * 2003-06-30 2005-01-20 Mine Safety Appliances Company Communications device for a protective helmet
US7110743B2 (en) 2003-06-30 2006-09-19 Mine Safety Appliances Company Communications device for a protective helmet
AU2004255185B2 (en) * 2003-06-30 2009-05-14 Mine Safety Appliances Company Communications device for a protective helmet
EP3138430A1 (en) * 2015-09-01 2017-03-08 BAE Systems PLC Helmet for communications
WO2017037451A1 (en) * 2015-09-01 2017-03-09 Bae Systems Plc Helmet for communications
US10441018B2 (en) 2015-09-01 2019-10-15 Bae Systems Plc Helmet for communications

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