ITMI920731A0 - Gruppo calotta auricolare dotato di riduzione meccanica attiva del rumore - Google Patents

Gruppo calotta auricolare dotato di riduzione meccanica attiva del rumore

Info

Publication number: ITMI920731A0
Authority: IT; Italy
Prior art keywords: noise reduction; cup assembly; ear cup; mechanical noise; assembly equipped
Prior art date: 1991-04-01

Application number

IT92MI731A

Other languages

English (en)

Inventor

John A Murphy

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.)

1991-04-01

Filing date

1992-03-27

Publication date

1992-03-27

1992-03-27 Application filed by Gentex Corp filed Critical Gentex Corp

1992-03-27 Publication of ITMI920731A0 publication Critical patent/ITMI920731A0/it

1993-09-27 Publication of ITMI920731A1 publication Critical patent/ITMI920731A1/it

1996-10-02 Application granted granted Critical

1996-10-02 Publication of IT1264527B publication Critical patent/IT1264527B/it

Links

Classifications

- 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
- A42B3/16—Ear protection devices
- A42B3/166—Integral hearing protection
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Landscapes

Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Acoustics & Sound (AREA)
Physics & Mathematics (AREA)
Otolaryngology (AREA)
Biophysics (AREA)
Engineering & Computer Science (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Animal Behavior & Ethology (AREA)
Psychology (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Helmets And Other Head Coverings (AREA)

ITMI920731A 1991-04-01 1992-03-27 Gruppo calotta auricolare dotato di riduzione meccanica attiva del rumore IT1264527B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/678,748 US5148887A (en)	1991-04-01	1991-04-01	Earcup assembly incorporating mechanical active noise reduction

Publications (3)

Publication Number	Publication Date
ITMI920731A0 true ITMI920731A0 (it)	1992-03-27
ITMI920731A1 ITMI920731A1 (it)	1993-09-27
IT1264527B IT1264527B (it)	1996-10-02

Family

ID=24724106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ITMI920731A IT1264527B (it)	1991-04-01	1992-03-27	Gruppo calotta auricolare dotato di riduzione meccanica attiva del rumore

Country Status (6)

Country	Link
US (1)	US5148887A (it)
DE (1)	DE4209940C2 (it)
FR (1)	FR2674428B1 (it)
GB (1)	GB2254242B (it)
IT (1)	IT1264527B (it)
SE (1)	SE512134C2 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5420381A (en) *	1993-04-19	1995-05-30	Cabot Safety Corporation	Acoustical earmuff
US5792998A (en) *	1993-04-19	1998-08-11	Cabot Safety Intermediate Corporation	Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same
US5790683A (en) *	1994-06-17	1998-08-04	Salzani; Augusto	Headphone including split earphones and coupling means for coupling it to the ears
CA2145256C (en) *	1995-03-22	2010-12-14	Horst B. Minkofski	Sound baffling device
DE19526124C2 (de) *	1995-07-19	1997-06-26	Sennheiser Electronic	Einrichtung mit aktiver Lärmkompensation
US5675658A (en) *	1995-07-27	1997-10-07	Brittain; Thomas Paige	Active noise reduction headset
GB2305063A (en) *	1995-09-07	1997-03-26	Noise Cancellation Tech	Headset with means to limit cushion compression
US5821468A (en) *	1996-05-20	1998-10-13	David Clark Company, Inc.	Laminated nap comfort cover for ear seal
US6038330A (en) *	1998-02-20	2000-03-14	Meucci, Jr.; Robert James	Virtual sound headset and method for simulating spatial sound
US6232994B1 (en)	1998-09-29	2001-05-15	Intermec Ip Corp.	Noise cancellation system for a thermal printer
US6154890A (en) *	1999-06-04	2000-12-05	Gentex Corporation	Enlarged earcup with adjustable earseal and improved noise attenuation
US6325173B1 (en) *	1999-10-18	2001-12-04	William B. Miller	Ear wind shield
US6731771B2 (en) *	2000-12-29	2004-05-04	Avcomm International, Inc.	Foam mounted receiver for communication headset
US6684976B1 (en)	2002-04-12	2004-02-03	David Clark Company Incorporated	Headset ear seal
US20050089185A1 (en) *	2003-10-28	2005-04-28	Allen Robin K.	Headset ear seal employing phase change material
US20050126845A1 (en) *	2003-12-10	2005-06-16	Vaudrey Michael A.	Attenuating foam insert and method for manufacture
DE102009005302B4 (de) *	2009-01-16	2022-01-05	Sennheiser Electronic Gmbh & Co. Kg	Schutzhelm und Vorrichtung zur aktiven Störschallunterdrückung
US8429766B2 (en)	2011-09-09	2013-04-30	Alvin J. Halfaker	Helmet with embedded sound suppression ear cups
US10051360B2 (en) *	2016-02-18	2018-08-14	Ron Abbott	Audio component assembly for aviation helmets and the like
US20200178638A1 (en) *	2017-06-16	2020-06-11	Efem Acoustics, Llc	Protective helmet with earpieces
CN107997875B (zh) *	2017-08-22	2020-10-16	青岛大学附属医院	一种用于磁共振检查的隔音降噪耳罩
US11241056B2 (en) *	2020-05-13	2022-02-08	The Bell System LLC	Replaceable earmuffs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3602329A (en) *	1970-01-07	1971-08-31	Columbia Broadcasting Systems	Conformal ear enclosure
US3621488A (en) *	1970-07-27	1971-11-23	Robert S Gales	Sound attenuating helmet
SE372704B (it) *	1973-05-16	1975-01-13	Gullfiber Ab
GB2075849B (en) *	1980-05-14	1984-03-28	Racal Acoustics Ltd	Improvements in or relating to hearing protectors
US4523661A (en) *	1983-05-16	1985-06-18	Gentex Corporation	Earphone system for use in large-cavity earcups
US4700410A (en) *	1986-07-10	1987-10-20	Gentex Corporation	Pneumatic adjustment means for earcups in helmets
US4905322A (en) *	1988-04-18	1990-03-06	Gentex Corporation	Energy-absorbing earcup assembly
US4965836A (en) *	1989-01-19	1990-10-23	Koss Corporation	Stereo headphone
US5023955A (en) *	1989-04-13	1991-06-18	Gentex Corporation	Impact-absorbing sound-attenuating earcup

1991
- 1991-04-01 US US07/678,748 patent/US5148887A/en not_active Expired - Lifetime
1992
- 1992-03-20 GB GB9206173A patent/GB2254242B/en not_active Expired - Fee Related
- 1992-03-27 DE DE4209940A patent/DE4209940C2/de not_active Expired - Fee Related
- 1992-03-27 IT ITMI920731A patent/IT1264527B/it active IP Right Grant
- 1992-03-31 SE SE9201003A patent/SE512134C2/sv not_active IP Right Cessation
- 1992-03-31 FR FR9203909A patent/FR2674428B1/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB9206173D0 (en)	1992-05-06
ITMI920731A1 (it)	1993-09-27
SE9201003L (sv)	1992-10-02
US5148887A (en)	1992-09-22
DE4209940A1 (de)	1992-10-08
SE9201003D0 (sv)	1992-03-31
SE512134C2 (sv)	2000-01-31
IT1264527B (it)	1996-10-02
FR2674428B1 (fr)	1994-10-28
DE4209940C2 (de)	1998-08-27
FR2674428A1 (fr)	1992-10-02
GB2254242A (en)	1992-10-07
GB2254242B (en)	1994-07-06

Legal Events

Date	Code	Title	Description
1996-10-02	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970326

Publication	Publication Date	Title
ITMI920731A0 (it)	1992-03-27	Gruppo calotta auricolare dotato di riduzione meccanica attiva del rumore
DE69208234D1 (de)	1996-03-21	Geräuschverminderungsmikrophonapparat
DE69118014D1 (de)	1996-04-25	Rauschverminderungsanordnungen
DE69110934D1 (de)	1995-08-10	Rauschreduktionsschaltung.
DE69105822D1 (de)	1995-01-26	Mittelohrprothese.
DE69315792D1 (de)	1998-01-29	Fernsprechhandapparat mit Geräuschunterdrückung
DE69107155D1 (de)	1995-03-16	Rauschformerschaltung.
DE69203902D1 (de)	1995-09-14	Anzugsrauschminimalisierungsvorrichtung.
DE69225258D1 (de)	1998-06-04	Lautsprech-Fernsprechgerät mit Rauschunterdrückungsschaltung
GB2251734B (en)	1995-05-03	Electrical noise absorber
DE69312520D1 (de)	1997-09-04	Aktives Lärmunterdruckungsanordnung
FI910254A0 (fi)	1991-01-17	Oralt aktiva renininhibitorer.
GR3023328T3 (en)	1997-08-29	Structureborne noise isolator.
FI915143L (fi)	1993-05-01	Aktiivinen melunvaimennusjärjestelmä
EP0456499A3 (en)	1992-09-02	Noise cancellation
DE69318009D1 (de)	1998-05-20	Aktive rauschunterdrückung
DE69100592D1 (de)	1993-12-09	Geräuscharme schiessholzenbefestigungsvorrichtung.
KR920020464U (ko)	1992-11-17	잡음제거회로
FI915142A7 (fi)	1993-05-01	Aktiivinen melunvaimennusjärjestelmä
DE69103261D1 (de)	1994-09-08	Aktive geräuschkontrolle.
GB9211136D0 (en)	1992-07-08	Noise reducing earphone
DE69114711D1 (de)	1995-12-21	Ohrschutzvorrichtung.
GB2248366B (en)	1994-08-03	Active noise filter
DE59101850D1 (de)	1994-07-14	Vakuumheber.
ES1024728Y (es)	1994-05-01	Copa.