Class 181/136 - Deflector type

Subclass of Class 181 - Acoustics
Definition: Subject matter wherein there is a device to deflect sound
No. of patents: 25
Last issue date: 09/04/2007

Number	Title	Issue Date
7264081	Hearing protection earplug In a hearing protection earplug for insertion into the ear canal ear composed of a soft material, especially a foam material, having a cavity that is open toward the outside, it is provided, with a view to achieving additionally increased wearing comfort accompanied...	09/04/2007
7249651	Swiveling sound-gathering ear guard for masks and helmets A portion of a mask or helmet covering a user's ear has an aperture covered by a sound-collecting and sound-transmissive protector swivelingly mounted thereon. The protector has a substantially parabolic reflector surface oriented substantially perpendicular to the ...	07/31/2007
6874169	Swiveling sound-gathering ear guard for masks and helmets A portion of a mask or helmet covering a user's ear has an aperture covered by a sound-collecting and sound-transmissive protector swivelingly mounted thereon. The protector has a substantially parabolic reflector surface oriented substantially perpendicular to the ...	04/05/2005
6571907	Portable acoustic hearing enhancement device A portable, non-electronic hearing enhancement system collects sound from the front of the user and directs it towards the user's ears through the use of a pair of sound reflectors mounted on support bands. The sound reflectors are positioned behind a use...	06/03/2003
6325173	Ear wind shield A method of alleviating the sound masking effects of wind noise on a cyclist wearing a safety helmet comprising the following steps: designing an ear cover shield having a generally smooth exterior side; positioning the cover shield adjacent to but genera...	12/04/2001
6237714	Article for collecting sound for ears The present invention is comprised of a headband (25) and one or more sound collectors (30, 75). The sound collectors (30, 75) collect sound waves and reflect toward the wearer's ears for louder reception. Some variations to the present invention can have...	05/29/2001
6229901	Auditory feedback device An auditory feedback device is provided for singers or the hearing-impaired to better hear their own voice. The device uses sound guides with reflective surfaces shaped to reflect sounds from the user's mouth to the user's ear....	05/08/2001
6220386	Flexible aerodam to reduce the sound of turbulence A boundary layer flow regulator, called a dam, is fastened, by way of example, to a bicycle rider's head band and is located against the temple area. The dam includes a fine permeable maze which viscously impedes but does not arrest the air flow through i...	04/24/2001
6082486	Article for collecting sound for ears The present invention is comprised of a headband 25 and one or more sound collectors (30, 75). The sound collectors (30, 75) collect sound waves and reflect toward the wearer's ears for louder reception. Some variations to the present invention can have o...	07/04/2000
6029769	Permeable aerodam to reduce wind noise A permeable aerodam 10 is fastened to a front helmet strap 16 of a bicycle rider's helmet 18. The aerodam includes a shaped fiber filter 32 which is mounted on a base 36 and is designed to impede, but not arrest the motion of air flowing through it. The a...	02/29/2000
5965850	Non-electronic hearing aid An acoustic hearing aid comprising: (a) a pair of thick-walled, sound collector cups (12) each shaped to fit over the pinna (20) of a user's ear, turning the back of pinna (21) forward, and each constructed of a sound reflective material of sufficient thi...	10/12/1999
5696356	Passive sound gathering apparatus A head worn sound gathering apparatus having a pair of sound gathering horns with rearward facing apertures. Each sound gathering horn includes a tapered sound channeling tube portion which communicates with an ear covering. Sound received through the rea...	12/09/1997
5661270	Sound capturing device A sound capturing device for directionally capturing sound waves, comprising a shell for encompassing an ear of a wearer, the shell having a front portion and a back portion corresponding to the front and the back of the wearer, respectively. The shell in...	08/26/1997
5345512	Sound-wave collector A sound-wave collector includes a headframe secured to a pair of retainers held on two opposite sides of a user's head adjacent to the user's two ears, a pair of reflectors each pivotally secured on each retainer and universally positioned behind each ear...	09/06/1994
5189265	Cap with hearing enhancing structure A hearing-enhancing device includes a cap adapted to be worn on a person's head, and a pair of hearing-enhancing members connectable to the cap. The cap size can be adjusted to accommodate varying user head sizes. The hearing-enhancing members each act to...	02/23/1993
5020629	Listening enhancement device A listening enhancement device in which a flat body (18) with a ear-hook (14) cutout can be converted to a sound gathering acoustical scoop by engagement of a fastener system located on the body (18) of the device. Once fastened into its functional shape ...	06/04/1991
4997056	Ear-focused acoustic reflector An acoustic device for mechanically reflecting sound waves into the ear in an undistorted and directionally selective manner has a pair of movable acoustic reflectors constructed, configured and mounted to preserve accurately phase, frequency and image in...	03/05/1991
4890688	Anechoic ear piece An anechoic ear piece for placement about a human ear. The internal surface of the ear piece is lined with acoustic foam to prevent sound wave from reflecting off of the inner surface of the ear piece into the human ear. Furthermore, the ear piece is cone...	01/02/1990
4771859	Hearing aid apparatus A hearing aid apparatus comprises a pair of cup shaped members positionable behind the ears of a user and being connected by means of a headband. The cup shaped members form sound reflective surfaces which direct sound waves into the user's ears to thus i...	09/20/1988
4768613	Directional hearing enhancement A device for improving the hearing acuity of a user directionally, including a pair of reflectors to be supported behind the user's ears so as to increase the effective area of the outer ear and reflect an increased amount of sound energy into the user's ...	09/06/1988
4574912	Ear muff hearing aid An acoustic device for amplifying sound is provided and consists of a pair of ear extenders secured to a head band so that the head band may be positioned on a listener's head with the ear extenders transversely in contact with the listener's head behind ...	03/11/1986
4556122	Ear acoustical hearing aid An acoustical small hearing aid designed to be worn in the concha of the auricle and made of thin-walled plastic, metal, or rubber. This invention modifies the normal conchal resonance and combines it with the ear canal resonance to shift the normal sound...	12/03/1985
4457396	Sound deflector for headset ear phones A sound deflector for attachment to a user's headset earphones is disclosed comprising means situated intermediate the headset earphone and a user's ear canal, said means comprising a hollow cylinder adapted to be operably connected to the headset earphon...	07/03/1984
4421199	Sound reflector type hearing aid A broad sheet hearing aid of the sound reflecting type having an endless expansion type holding strap inserted in the wings of the device and to also fit over the forehead to hold the device in place....	12/20/1983
3938616	Sound multiplier An acoustic amplifier securable detachably to the ears and supported by a head piece to amplify sound without the use of electricity....	02/17/1976

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Class 181/136 - Deflector type