Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7848538 | Speaker voice coil and speaker unit using the same A thread winding part or a reinforcing wire winding part is formed by winding a heat resistant fiber thread or a reinforcing wire around the voice coil bobbin in contact with both coil ends of the wire winding part or a coil end of the same on a magnetic-circuit sid... | 12/07/2010 |
| 7460682 | Voice coil, speaker apparatus using the voice coil, and method for manufacturing the speaker apparatus There is provided a speaker apparatus manufactured by using a voice coil configured so that a lead wire electrically connected to a coil is clamped between an insulating sheet and a bobbin. ... | 12/02/2008 |
| 7447327 | Flexible PCB voice coil connector In an electroacoustic transducer, a pair of coil terminals elongating from a voice coil are electrically connected to a pair of terminal members attached to a frame via a flexible printed circuit board, respectively. According to the configuration, even in a case wh... | 11/04/2008 |
| 7443995 | Acoustic loudspeaker An acoustic driver has a voice coil in which adjacent turns of the coil are spaced apart. The driver is placed at one end of a foam-lined, elongated structure, such as a tube. An opposing end of the structure is, in one embodiment, enclosed by a wall that is connect... | 10/28/2008 |
| 7433486 | Speaker and manufacturing method for the same A lead wire of a voice coil is wired along the surface of a diaphragm. The lead wire is bent toward a reverse side of the diaphragm at a peripheral edge portion of the diaphragm. The lead wire is led to the interior of a frame. An external terminal is provided to ex... | 10/07/2008 |
| 7403631 | Electro-acoustic transducer The two coil spring terminals have the structure of double coil spring terminal including a small diameter coil spring terminal and a large diameter coil spring terminal. In this case, a terminal holder is provided with a clamping portion for clamping the large diam... | 07/22/2008 |
| 7382892 | Evenly elastically deformable damper for speaker An evenly elastically deformable damper for speaker is disclosed to include a damper body of a plain weave fabric having elastic warp wires and weft wires intercrossed in X and Y directions and a center through hole cut through the top and bottom surfaces and bonded... | 06/03/2008 |
| 7362877 | Electric acoustic converter and electronic device using the same An electro-acoustic transducer wherein a stopper of a terminal is composed of an elastic body having an impulsive-force resistance and an excellent resilience. The stopper is mounted on the yoke or lower plate of magnetic circuit, which is made of a metallic materia... | 04/22/2008 |
| 7358633 | Linear vibration motor using resonance frequency A linear vibration motor comprising a movable unit, a base assembly having a coil assembly, a housing and an elastic member, in which the movable unit has the maximum mass from a fixed housing volume. The elastic member has the outer periphery fixed to the ceiling o... | 04/15/2008 |
| 7346182 | Electroacoustic transducer and method for manufacturing the same A diaphragm subassembly comprises a voice coil, a diaphragm, a frame, and a pair of terminal members. A magnetic circuit unit comprises a yoke, a magnet, and a base. The diaphragm subassembly and the magnetic circuit unit are accommodated in a bottomed cylindrical c... | 03/18/2008 |
| 7324655 | Electroacoustic transducer A small earphone or headphone which can produce a wide band acoustic output from a low-pitched tone to a high-pitched tone and can generate a body-sensitive vibration independent output or a body-sensitive vibration output synchronized with a music. The earphone or ... | 01/29/2008 |
| 7266214 | Audio speaker and method for assembling an audio speaker An audio speaker includes a driver unit having a magnetic pole case defining a radial gap, a vibration system having a diaphragm and a voice coil where the vibration system is fixed to the drive unit and the voice coil is movably mounted into the radial gap, and a r... | 09/04/2007 |
| 7263198 | Loudspeaker A loudspeaker comprises a frame, a magnetic circuit unit, a vibration unit and a snap fastening device. The frame has a recess. The magnetic circuit unit is received in the recess of the frame. The magnetic circuit unit includes a yoke. The vibration unit is receive... | 08/28/2007 |
| 7263200 | Loud speaker A loud speaker includes a circuit board and a base. The circuit board includes a plurality of contacts on a side thereof. The base is formed of plastic material by injection molding. The base includes an insertion groove in an end thereof. The circuit board is embed... | 08/28/2007 |
| 7263199 | Microphone assembly An electromagnetic transducer is described including a magnet assembly (50) and a conductive drive coil (52). The magnet assembly provides an emanating magnetic field within which the drive coil is located. The drive coil is a flat ring coil having a w... | 08/28/2007 |
| 7254248 | One-magnet rectangular transducer An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap there between, the magnetic circuit comprising one magnet. The magnet can either be positioned in the center of the magne... | 08/07/2007 |
| 7248714 | Micro-speaker and method for assembling a micro-speaker The micro-speaker includes a driver unit having a housing, a magnet disposed within the housing forming a radial gap between the magnet and the circumferential walls of the housing, and a magnetic plate disposed on the magnet, a vibration system having a diaphragm a... | 07/24/2007 |
| 7221773 | Oval speaker apparatus and method of manufacturing the same An oval speaker apparatus includes a diaphragm whose outer peripheral shape in a plan view is oval or elliptical; an oval or elliptical voice coil for driving the diaphragm; an edge which is joined to an outer periphery of the diaphragm; and a frame to which an oute... | 05/22/2007 |
| 7200241 | Loudspeaker A speaker includes a substantially rectangular case having connection terminals at corners, a substantially rectangular voice coil, a diaphragm, and a substantially rectangular magnetic circuit. A lead drawn out from a corner of the voice coil in proximity to one of... | 04/03/2007 |
| 7194104 | Universal audio speaker connection block A speaker interconnection block with two voice coils to be driven with separate amplifiers, or to use one amplifier to drive the two voice coils in series or parallel without having to reinterconnect the voice coils. This is achieved by locating the negative voice c... | 03/20/2007 |
| 7155028 | Voice coil mounting structure Disclosed is a voice coil mounting structure, which includes a reel, which has a first end mounted with a coil and a second end provided with equiangularly spaced female retaining portions, and a reel holder, which defines an annular space for accommodating the seco... | 12/26/2006 |
| 7146020 | Structure for the sound coil of loudspeaker An improved structure for the sound coil of loudspeaker comprises a cylinder provided with multiple layers of coils surrounding one end thereon. The coils are divided into sections in the middle position which provide more than two conducting wires. The cylinder is ... | 12/05/2006 |
| 7106881 | Speaker A speaker 300 is formed using a plate such as a mobile phone display window 310 as a vibrating element. At least two dynamic actuators 950 are positioned behind the edges of the window 310 to actuate the window 310 through its boun... | 09/12/2006 |
| 7062063 | Electroacoustic transducer An electroacoustic transducer includes a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween. The magnetic circuit includes a magnet inducing a magnetic field in the gap, the magnet having a surface cons... | 06/13/2006 |
| 7062061 | Speaker apparatus Supplemental portions are added to lead portions of a voice coil attached to a coil bobbin. The supplemental portions each has a shape, which can be restored repeatedly in response to stress, applied to the lead portions. In the case where stress is exerted on the l... | 06/13/2006 |
| 7058195 | Speaker assembly An electromagnetic transducer is described including a magnet assembly (50) and a conductive drive coil (52). The magnet assembly provides an emanating magnetic field within which the drive coil is located. The drive coil is a flat ring coil having a w... | 06/06/2006 |
| 7035424 | Loudspeaker having an inner lead wire system and related method of protecting the lead wires A loudspeaker for generating sound from an electrical current provided by an external source may include an adapter and/or a guide for supporting, directing and routing lead wires carrying the electrical current from the external source. The lead wires may be routed... | 04/25/2006 |
| 7010142 | Electrical acoustic converter Disposed within a space formed between a base cover (2) and a top cover (1) attached to the base cover (2) is an electromagnetic sound generating part which has a diaphragm (9) attached to the base cover (2) and a drive part causin... | 03/07/2006 |
| 6993147 | Low cost broad range loudspeaker and system A loudspeaker has a diaphragm with a voice coil disposed about its perimeter and extending in a gap into which the flux of an annular rare earth magnet is focused. An opening behind the diaphragm communicates through the speaker frame. The voice coil may have two or... | 01/31/2006 |
| 6940991 | Damper for loudspeaker and method for manufacturing same A damper for loudspeaker is constituted by mounting tubular knitted tinsel cords through an adhesive agent of acrylic emulsions having a tackiness onto one surface of a corrugated damper body. The damper is thereby rendered easily manufacturable and highly flexible ... | 09/06/2005 |
| 6937735 | Microphone for a listening device having a reduced humidity coefficient A microphone is constructed to be more tolerant to a wide range of relative humidity conditions without adversely affecting the performance of the microphone. The microphone includes a housing with a sound port for receiving sound and an electret assembly for conver... | 08/30/2005 |
| 6931140 | Electro-acoustic transducer with two diaphragms The present invention relates to an electro-acoustic transducer suitable for applications within mobile communication equipment and hearing aids. The transducer comprises two diaphragms positioned on opposite sides of a magnetic circuit having two magnetic gaps. Whe... | 08/16/2005 |
| 6853734 | Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore A linearly compliant, flexible, resilient and flat speaker damper connected between the frame and the cone of the speaker with electrically conductive paths applied to the damper to conduct the signal to be applied to the voice coil of the speaker. A method for line... | 02/08/2005 |
| 6845167 | Contacting arrangement for an electroacoustic microphone transducer An electroacoustic microphone transducer operating electrostatically has a microphone capsule, a flexprint, and a high-resistance pre-amplifier mounted on the flexprint and arranged in the microphone capsule. A post amplifier is arranged on a printed board. The flex... | 01/18/2005 |
| 6845168 | Speaker for an electronic instrument A speaker has a frame made of resin, a diaphragm provided in the frame, a voice coil mounted on the diaphragm. A pair of holes are formed under the diaphragm so as to be opened at an underside of the frame. A spring is connecting member provided in each of the holes... | 01/18/2005 |
| 6842530 | Electric acoustic converter having a rear surface terminal The present invention relates to an electric acoustic converter used as a speaker or a receiver of a mobile communication device such as a portable telephone or the like. In the electric acoustic converter according to the present invention, the size reduction and t... | 01/11/2005 |
| 6831989 | Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil An electroacoustic transducer (1) having an oscillator coil (15) which has two connecting leads (27, 28) is equipped with at least one retaining element (33, 34) for each connecting lead (27, 28), each retaining element (33, 34 | 12/14/2004 |
| 6795563 | Speaker for an electronic instrument A speaker has a frame provided with a yoke, a magnet, a vibrating plate and a voice coil, and a pair of leads. An end of each of the leads is connected to an end of the coil and the other end portion of the lead is exposed in a hole formed in the frame and secured t... | 09/21/2004 |
| 6704430 | Electroacoustic transducer An electroacoustic transducer adapted to be mounted on a printed circuit board in which a coil spring is accommodated and supported in a cylindrical recess of a frame while it is fixed to neither a terminal plate nor the frame. Particularly, a protruding ... | 03/09/2004 |
| 6668066 | Electroacoustic transducer with small dimensions An electroacoustic transducer of small dimensions has a cup-shaped component made of a metallizable plastic material embedded in a housing component having a housing shape and being of a non-metallizable plastic material. The cup-shaped component has an i... | 12/23/2003 |
