Class 381/383 - Collapsible

Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter in which the support structure can be reduced
No. of patents: 27
Last issue date: 05/18/2010

Number	Title	Issue Date
7720246	Headphone device A headphone device includes a sound amplifying member, a connecting member and a fixing member. The sound amplifying member includes a first speaker and a second speaker for outputting a sound. The connecting member is interconnected between the first speaker and th...	05/18/2010
7292703	Headphones According to the invention a headphone set comprises a hoop band, to each of the two ends of which is fixed a respective acoustic transducer and which extends accurately in a plane, with at least one joint for folding the ends of the hoop band inwardly in the plane ...	11/06/2007
7242785	Portable powered speaker A portable speaker system includes a telescoping enclosure containing at least two drivers. The telescoping enclosure includes an inner section nested within an outer section. Each of the inner section and the outer section includes at least one speaker driver. The ...	07/10/2007
7171698	Earmuff having anatomically correct ear cups An earmuff having anatomically correct ear cups, which are axially rotatable to ensure a proper fit over a person's ears and laterally rotatable when the earmuff is disposed in a storage position around the person's neck. ...	02/06/2007
7172052	Headphone A headphone has a headband and two earpieces each connected to the headband so as to be pivotable about at least two pivot axes. The two pivot axes intersect one another at a point of intersection that is positioned on or near a central axis of the earpiece, respect...	02/06/2007
7110249	Electronic apparatus An electronic apparatus has a first housing, a second housing, and speakers. The first housing and second housing are so coupled as to be movable between a first position away from each other and a second position in which one of them is laid on the other. The speak...	09/19/2006
7072483	Headphone A headphone has a headband and two earpieces each connected to the headband so as to be pivotable relative thereto. When assuming a Cartesian coordinate system having a Z plane that is a symmetry plane of the headphone, having a Y plane that is positioned perpendicu...	07/04/2006
6993143	Foldable headphones A system and method for a collapsible headphone unit is provided. Generally, the system contains a first extendable sidepiece and a second extendable sidepiece, both rotatably attached to a top member. The first extendable sidepiece is attached to a first earpiece, ...	01/31/2006
6976861	Handheld electronics device having pivotal hinge mechanism A handheld electronics device having a display (150) on a first housing portion and a keypad (162) on a second housing portion, a hinge member 130 includes a first portion member pivotally coupled to the first housing portion and a second portio...	12/20/2005
6847725	Radio, infrared, and audio assistive listening device An assistive listening device has a housing enclosing at least one of a radio receiver and an infrared radiation receiver for receiving radiation carrying audio information transmitted to hearing impaired members of an audience. The infrared radiation receiver inclu...	01/25/2005
6804364	Headset This invention relates to a new type of headset solution. The headset according to the invention has a spring loaded hinge placed in front of the ear, which guarantees a stable pressure for any ear size. The headset according to the invention can be used, for exampl...	10/12/2004
6763999	Self-service terminal A self-service terminal (14) comprising a port for outputting transaction details is described. The terminal is operable to append current information relating to preferences (such as share prices, exchange rates, and such like) previously selected to transac...	07/20/2004
6744901	Headphone In a neckband type headphone device there is provided a band onto which speaker units are connected at both ends thereof. These speaker units are worn on the left and right ears. The band has a shape wherein the area close to the connecting part between both speaker...	06/01/2004
6678897	Hearing protection device Ear defenders comprising an elastic headband (1) and an ear muff (4) arranged on the inside of each leg (2) of the headband. The ear muffs (4) are arranged displaceably along the insides of the legs (2) from the end positions of the legs and so far along ...	01/20/2004
6654966	Fully collapsible headset A fully collapsible headset assembly includes a headband portion formed by side arm members articulated together by a flexible hinge member. The flexible hinge member includes an elastic cam member, the force of which is released to maintain the assembly ...	12/02/2003
6385325	Headphone device A headphone device includes first and second head band members, a first fulcrum portion for pivotally supporting top ends of the first and second head band members so that the lower ends of the first and second head band members are moved towards and away...	05/07/2002
6130953	Headset A headset including a housing, a resilient, convex headband fixed to the housing, an earphone fixed to the housing and displaceable relative to one end of the headband and a microphone fixed to a swivel arm that is on the housing. The headband has two spa...	10/10/2000
5438626	Collapsible hearing device A collapsible hearing device comprising a base housing and a pair of jointed elongated extension arms constructed and arranged with pivots so located that when said arms are unfolded outward, a pair of earphones fixed to a distal end of each arm engages t...	08/01/1995
5361378	Camcorder stereo mic/phones A small AM/FM audio player, operating as a radio, tape, cassette or disc machine can be adjusted to receive music or other audio programs. The received programs can be heard audibly through a stereo Y-adapter set of earphones, and also through a set (pair...	11/01/1994
4609786	Band and the headphone utilizing the same A band comprising many beam portions and arcuate hinge portions formed integrally so as to be alternately arranged, a fitting force being obtained at least due to the returning force of the hinge portion so that the band can be expanded even with a small ...	09/02/1986
4597469	Collapsible headphone structure A headphone structure comprises a pair of headband arms, a pair of phone units having joint arms, a first joint member for pivotally connecting the pair of headband arms, and a pair of second joint members for pivotally connecting the pair of phone units ...	07/01/1986
4571746	Collapsible headband A headband comprises first and second headbands having their one ends pivotally interconnected and being foldable about their pivotal interconnection inwardly and outwardly in a single plane and having opposite ends with an earpiece carried thereby. Each ...	02/25/1986
4538034	Earphone assembly An earphone assembly including a bracket member for retaining an earphone unit in place on the head of a user, the bracket member being formed with a channel for receiving a strap of a head gear for mounting the bracket member on the user's head, the brac...	08/27/1985
4463223	Head phone A head phone is disclosed, which includes a pair of housings, each holding therein an electro-acoustic transducer, a head band being extendable and shrinkable, a pair of supporting members, each being curved in substantially inverse L-shape with each othe...	07/31/1984
4445005	Headphone An arcuate central band piece has coupled thereto at both ends arcuate side band pieces of the same curvature of the central band piece by coupling means, forming a substantially circular headphone band as a whole. Each of the coupling means is arranged s...	04/24/1984
4409442	Headphone First ends of first and second band pieces with a shape of a circular arc are rotatably connected with each other such that the angle formed therebetween is prevented from exceeding a predetermined angle. End pieces are slidably mounted respectively on th...	10/11/1983
4404434	Collapsible stereophone A stereophone includes a headband which supports cup assemblies at each of its ends. The cup assemblies can be pivoted to a transport position in which they are enclosed within the headband. The ends of the headband may be fastened together to retain the ...	09/13/1983

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Class 381/383 - Collapsible