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| Number | Title | Issue Date |
| 5544253 | Earphone assembly In an earphone assembly, a front cap portion of an outer casing (5) having an electroacoustic transducing device (12) therein is made to have a substantially circular configuration being greater in diameter than other portions to be able to be fit in the ... | 08/06/1996 |
| 5533137 | Earphones In a head mounted display (1) an annular body (2) worn generally horizontally about the head of wearer supports a forwardly disposed optical display device (3) adapted to seat on the bridge of the nose of a user. At either side of the body (2) projections... | 07/02/1996 |
| 5519782 | Headphone A headphone includes a pair of housing members into which speaker units and diaphragms are accommodated, protector members having sound radiating portions on which a plurality of sound radiating apertures are bored and respectively provided on the pair of... | 05/21/1996 |
| 5519783 | Headphone assembly A headphone assembly adapted for engaging a user's head includes an adjustable headband having first and second ends. A right ear piece is attached to a first end, and a left ear piece is attached to a second end of the headband. Each ear piece is substan... | 05/21/1996 |
| 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 |
| 5420935 | Auricle insertion headphone with improved grill A headphone includes an electro-acoustic transducer, a housing, and first, second and third members. The electro-acoustic transducer includes a diaphragm and is supplied with a signal through a cord. The housing is shaped in such a way as to be accommodat... | 05/30/1995 |
| 5333206 | Dual element headphone A dual element headphone, including a first acoustic transducer mounted within a first housing so as to direct sound in a certain direction out of the first housing. The first housing is sized small enough so as to at least partially fit into the cavum co... | 07/26/1994 |
| 5327507 | Headphone apparatus An inner-ear type headphone apparatus includes a diaphragm, a driving portion, a backside wall, and a sealed wall plane. A diaphragm backside space is formed between the diaphragm and the driving portion. The driving portion drives the diaphragm. A back c... | 07/05/1994 |
| 5257318 | Earphone spacer with electronically variable sound level A spacing device which holds earphones away from the ears to create a sense of live music when the earphones are used in conjunction with loudspeakers. The spacers allow sound from loudspeakers set away from the user to reach the ear from all directions. ... | 10/26/1993 |
| 5247293 | Signal reproducing apparatus A signal reproducing apparatus operating on a wireless basis and having a status signal multiplexed with audio signals and transmitted to a receiver containing a display, the status signal indicating the current operating status of a recording medium play... | 09/21/1993 |
| 5224171 | Method for printing on synthetic resin molded body and headphone housing on which printing has been made by the method A method for printing a letter, character or a figure on an inner ear type headphone, which is a molded body of a thermoplastic synthetic resin, by irradiating the surface with a laser light, and a headphone housing on which the letter etc. has been print... | 06/29/1993 |
| 5222151 | Earphone An earphone has a case housing an electroacoustic transducer, the case being adapted to be put in the concha of the auricle of an ear. The case is of an elliptical shape so that it can snugly fit in the concha without under pressure imposed on the ear.... | 06/22/1993 |
| 5142587 | Intra-concha type electroacoustic transducer for use with audio devices etc. An intra-concha type electroacoustic trasducer has an auxiliary supporter projecting in opposite direction to entrance part of external auditory meatus of the user's ear from a side of the transducer opposite to its sound-radiating side disposed to face t... | 08/25/1992 |
| 5125032 | Talk/listen headset In a talk/listen headset, essentially comprising two ear protection capsules (1, 2) connected to one another via a headband (3), two microphones (6, 7) are located in one of these along a vertical (9) which runs, projected on the head of the wearer, throu... | 06/23/1992 |
| 4965836 | Stereo headphone A headphone having a dual element speaker unit including a face plate having an opening generally centrally located therein. A case coupler is mounted in the opening, and has an annular projection protruding through the opening. A first dynamic transducer... | 10/23/1990 |
| 4821323 | Stereo headphone A stereo headphone has a generally "U"-shaped head band provided with a pair of head band support rails at opposite ends thereof. End portions of the head band are received for sliding extension and retraction withing the support rails. A speaker support ... | 04/11/1989 |
| 4736435 | Ear piece transducer This invention relates to a compact electro-acoustic transducer (10) to be used in the ear hole which prevents oppressive and inharmonious sensations to the auricle (A) when used and also prevents the deterioration of the reproduced sound quality. To do t... | 04/05/1988 |
| 4668842 | Headphone A headphone having a speaker unit having a diaphragm and a supporting member for supporting the speaker unit so as to face forwardly of a user's head with projection of an edge portion thereof into the cavum concha whereby the speaker diaphgram faces to t... | 05/26/1987 |
| 4588868 | Headset An over-the-head style headset to be used in the airline industry and supplied to passengers in flight to provide audio reception of one or more programs. The headset is designed to be snap-assembled from economically manufactured parts, and is capable of... | 05/13/1986 |
| 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 |
| 4465907 | Headset receiver and sanitizing storage system therefor The combination of headset receivers (10) and storage system (50) therefor is used in an aircraft passenger entertainment system. Each receiver comprises a housing (12) including electronics for receiving infrared wireless transmission, which is converted... | 08/14/1984 |
| 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 |
| 4297535 | Stereo headset A stereophonic headphone having a pair of earpieces, each having associated electro-acoustic main transducers and sound chambers. Each of the sound chambers are coupled acoustically to at least one first sound tube serving to transmit a portion of the sou... | 10/27/1981 |
| 4278852 | Earphone construction An earphone construction for a wearer's ear, comprises an ear pad which is adapted to surround the ear and is advantageously constructed of a wedge-shaped tapered configuration and of annular form so that the inner edge bounding the inside of the ear alon... | 07/14/1981 |
| 4246448 | Electromechanical transducer An electromechanical electret transducer suitable for push-pull operation includes multiple vibratory diaphragms acoustically coupled to each other to increase the output sound pressure. Since the diaphragms physically shield the stationary electrets, the... | 01/20/1981 |
| 4110583 | Earphone construction In an earphone construction an axially extending tubular shaped member forms a passageway or listening channel with an ear opening located between the ends of the member. A sound source is positioned in the passageway, spaced from the ear opening, for dir... | 08/29/1978 |
| 4058688 | Headphone A headphone capable of attaining binaural hearing giving substantially the same sound quality as one would expect from ordinary loudspeakers, said headphone having such sound pressure versus frequency characteristics that there are two peaks between 1.5 a... | 11/15/1977 |
| 4027116 | Headphone A headphone supported at the ear position for reproducing sound comprising (a) a frame, (b) a cone membrane, (c) at least one opening provided in the frame to connect the space, defined between the front face of the frame and the rear face of the cone mem... | 05/31/1977 |
| 4027113 | Headphone A headphone comprising: two ear cups; a head band; and coupling means for rotatably coupling the ear cups to the head band, the ear cups having ear pads on those sides facing each other, respectively, the head band being positioned on that side of each of... | 05/31/1977 |
| 3939310 | Stereophonic headset with ear to ear acoustical passageway A stereophonic headset with an enclosed, ear to ear acoustical passageway is provided so that each of the wearer's and listener's ears can hear the output of both headset stereophonic speakers.... | 02/17/1976 |
