Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8160290 | Electroacoustic transducer having a slotted terminal structure for connection to a flexible wire, and an assembly of the same The assembly includes a miniature electroacoustic transducer and a flexible electrical wire. The flexible electrical wire is terminated by a connecting element with an electrically conductive shoulder portion. The miniature electroacoustic transducer comprises an el... | 04/17/2012 |
| 8111867 | Electronic device with a speaker An electronic device (100) having a speaker (30) located in a sealed and separate speaker enclosure is described. The electronic device includes a housing (20), a circuit board (70), a cover (60), and two connecting bodies (50 | 02/07/2012 |
| 8094861 | Speaker The present invention relates to a speaker, comprises a housing having a top housing cap and a bottom housing cabinet. The top housing cap with a plurality of through slots are provided on the top housing cap and the bottom housing cabinet which provides with an acc... | 01/10/2012 |
| 8023685 | Electroacoustic transducer and electronic device using the same An electroacoustic transducer has a magnetic circuit, a frame combined with the magnetic circuit, a diaphragm combined with a periphery of the frame, a voice coil, a terminal, and a holder covering the frame. The voice coil is combined with the diaphragm and a part ... | 09/20/2011 |
| 7822221 | Speaker device A speaker device includes a terminal member, a voice coil bobbin, and a connecting member mounted on the voice coil bobbin. The connecting member has a terminal mounting part. A pair of claw part and hook-shaped projecting part is provided on an upper end portion of... | 10/26/2010 |
| 7545948 | Loudspeaker This invention discloses a loudspeaker 100 that includes a casing 110, a drive assembly 111 with a magnetic core 112, and an induction (voice) coil 113 attached to a first rigid plate 114 for the transmission of vibrations t... | 06/09/2009 |
| 7379558 | Loudspeaker with integrated spider standoff ring A loudspeaker is provided in which the outer diameter or foot of the spider is over molded with a standoff formed of a plastic material in an injection molding tool so that the spider and standoff form an integral unit. The standoff, in turn, is glued or otherwise a... | 05/27/2008 |
| 7356157 | Loudspeaker lead wire management system This invention is directed to a loudspeaker having a lead wire management system including guides located at both the voice coil and the frame of the speaker. Each guide is angled allowing them to control the arc at which the lead wires extend between the voice coil... | 04/08/2008 |
| 7349551 | Lapel microphone with push to talk switch A microphone-speaker assembly includes a housing, a microphone, a speaker, and a push-to-talk switch. The housing supports the speaker for movement between a first position in which the switch is not activated and a second position in which the switch is activated. ... | 03/25/2008 |
| 7274797 | Speaker housing A speaker housing that includes an outer wall that has an upper wall point and a lower wall point. The outer wall forms an enclosure that is arranged in a predefined geometric shape that may match the shape of a loudspeaker that is installed in the speaker housing. ... | 09/25/2007 |
| 7164777 | Speaker driver with detachable motor and basket A speaker driver has a detachable motor and basket to allow attachment or separation of the motor assembly from the basket assembly. Two embodiments are disclosed, a thread-on detachable motor and a bolt-on detachable motor. ... | 01/16/2007 |
| 7043034 | Loudspeaker with single or dual channel input selector and lockout A dual purpose loudspeaker incorporating at least two audio signal inputs and at least one switch is adapted to receive and reproduce either a single audio signal input or two audio signal inputs according to the position of the switch. A switch slide mechanically l... | 05/09/2006 |
| 7043042 | Button apparatus with a speaker A button apparatus with a speaker (100) has a frame (104), a speaker (108), a flexible PCB (110), a metal dome (114), a rubber layer (116), and an operating button (120,124). The frame has a cavity (106) and th... | 05/09/2006 |
| 7031490 | Speaker driver with detachable motor and basket A speaker driver has a detachable motor and basket to allow attachment or separation of the motor assembly from the basket assembly. Two embodiments are disclosed, a thread-on detachable motor and a bolt-on detachable motor. ... | 04/18/2006 |
| 7016266 | Sharing device for multiple audio sources A sharing device is composed of a distributor and multiple output units. The distributor has multiple input ports to connect different audio sources, such as VCD/DVD players, and has multiple output ports to correspondingly connect to the multiple output units. Each... | 03/21/2006 |
| 7002839 | Magnetic ring unit and magnetic memory device The present invention relates to a magnetic ring unit and a magnetic memory device; an object of the invention is to control the direction of rotation of the magnetic flux freely and with high reproducibility in a simple structure without using a thermal process suc... | 02/21/2006 |
| 6914995 | Portable multi-function device A portable multi-function device includes a housing and a cover. The housing includes an interior housing and an exterior housing connecting to each other. The interior housing has at least a hub having audio units. Recess parts are located on the upper side of the ... | 07/05/2005 |
| 6914998 | Speaker apparatus A speaker arrangement in which a diaphragm does not displace in directions other than a regular oscillating direction. The speaker arrangement includes a magnetic circuit having a magnetic gap, a voice coil located in the magnetic gap, a voice coil bobbin having the... | 07/05/2005 |
| 6909613 | Assembly comprising an electrical element The present invention relates to an assembly comprising an electrical element, such as a coil, and especially to an assembly more easily assembled. Assemblies of this type are used for receivers for hearing aids or sound generators for e.g. mobile telephones. ... | 06/21/2005 |
| 6804504 | Audio processing system The instant invention provides a digital audio processing system that includes a mainframe chassis, a central processor card, a plurality of analog input cards, and a plurality of analog output cards for accepting a plurality of audio inputs and producing a pluralit... | 10/12/2004 |
| 6798892 | Rotatable removeable speaker assembly A speaker assembly a speaker assembly that is readily mounted and dismounted from a mounting bar, and which also achieves reliable electrical connection in the same mounting connection. To mount the speaker, one pulls a plunger pin out, inserts a mounting boss into ... | 09/28/2004 |
| 6751332 | Speaker A speaker has a case having a peripheral projection, a yoke made of magnetic material and secured to the case, and a permanent magnet provided in the case. A vibrating plate having a peripheral projection is secured to an outside wall of the case at the peripheral p... | 06/15/2004 |
| 6690809 | Microspeaker A case comprises an upper case and a lower case. A vibrating plate is secured to the upper case, a voice coil is secured to an underside of the vibrating plate. Each end portion of the voice coil is engaged in a groove formed in the upper case.... | 02/10/2004 |
| 6526152 | Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil In an electroacoustic transducer (1) having a magnet system (8) and having a diaphragm holder (2) for holding a diaphragm (17) and having a moving coil (115) connected to the diaphragm (17), the moving coil (15) has a hollow cylindrical coil body (27) and... | 02/25/2003 |
| 6400825 | Microspeaker A microspeaker has a case, a vibrating plate, a voice coil secured to the vibrating plate. A pair of leads are embedded in one of members made of plastic. Both end portions of each of the leads are projected from the case. Each of both ends of the voice c... | 06/04/2002 |
| 5982905 | Distortion reduction in signal processors A signal processing distortion reducing system which includes a plurality of series connected, straight, conductive signal path sections. These sections direct the flow of signal currents into a series of sharp 90 degree turns, which minimizes electromagn... | 11/09/1999 |
| 5481616 | Plug-in sound accessory for portable computers A portable computer is equipped with a sound capability by plugging a personal computer memory card international association (PCMCIA) card having an on-board master speaker module into a PCMCIA slot. A slave speaker module in wireless communication with ... | 01/02/1996 |
| 5481618 | Interconnection of a speaker using magnetic coupling A speaker assembly (100) includes a speaker (202) having at least one speaker terminal (206) and a magnet (204) which generates a magnetic field. The speaker assembly (100) also includes a circuit board (116) having at least one terminal (110). A metal me... | 01/02/1996 |
| 5440646 | Molded housing with integral acoustic chamber and anti-rattle printed circuit board supports The present invention relates to a molded housing having an integral acoustic chamber and a plurality of post members which engage the printed circuit board contained therein to preclude rattling. As sound waves are generated within the acoustic chamber t... | 08/08/1995 |
| 5401907 | Soldering terminal plate for loudspeakers According to the state of the art, it is known to link the soldering terminal plates (10) of loudspeakers by riveting them to the loudspeaker frame. It is also known to relieve the strain on loudspeaker connection cables, which extend between the solderin... | 03/28/1995 |
| 5394479 | Sounding apparatus with surface mounting terminals The present invention provides a sounding apparatus with surface-mountable terminals, the sounding apparatus being capable of being automatically assembled onto a printed circuit board by the use of surface-mounting method. The sounding apparatus is forme... | 02/28/1995 |
| 5304747 | Speaker with motor-controlled internal baffle An audio speaker in a cabinet is provided having an internal baffle movable on a track and driven by a motor. The movement of the internal baffle is controlled externally by controls mounted on the speaker cabinet. Selective movement of the internal baffl... | 04/19/1994 |
| 5239589 | Low profile-pin mount-printed circuit board speaker A low profile-pin mount-printed circuit board speaker having a locating plate attached to the stepped peripheral edge of a speaker through a dowel joint, two contact pins secured to the locating plate through a plug-in joint and electrically connected to ... | 08/24/1993 |
| 5133018 | Audio speaker connector employing concentrically oriented speaker contacts An audio speaker configured for simple manual or automatic robotic insertion into an enclosure aperture so that it will be electrically connected to an audio signal transmission medium and retained within the enclosure. The speaker includes a latching mec... | 07/21/1992 |
| 4973941 | Electronic sound generating device An electronic sound generating device icludes a two-piece housing having a lower casing and a lid. A contact switch, in the form of a conductive rubber cup, is received in the lower casing adjacent a circuit board. Activating contacts on the circuit board... | 11/27/1990 |
| 4918738 | Structural assembly for housing an acoustical system An acoustical system for generating loud sound levels over a wider bandwidth includes a generally cylindrically-shaped cavity formed of a wall member and having front and back ends. A baffle member is disposed to close the front end of the cavity, and a r... | 04/17/1990 |
| 4712246 | Puppet speaker A hand held speaker designed for use with a puppet and an ordinary cassette player, to give any puppet a voice. The device comprises a speaker uniquely enclosed in a fabric cover and attached to a four component telephone cable assembly. This assembly has ... | 12/08/1987 |
| 4703508 | Loudspeaker terminal strip A loudspeaker terminal strip has a generally cup-shaped, semi-cylindrical, extending portion that is press-fit into a hole formed in the wall of a speaker cabinet. The semi-cylindrical extending portion has a flat longitudinal plane formed on the cup-shap... | 10/27/1987 |
| 4691363 | Transducer device A silicon micro-transmitter chip is housed within top and bottom closures snap-fitted together by legs and catches on the two closures. The chip is mounted between two acoustic cavities in the closures by a plate part of a configured metal sheet having ot... | 09/01/1987 |
| 4295009 | Piezoelectric audio transducer mounting and electrical connector A housing for a piezoelectric audio transducer comprises a molded cylindrical body having a transducer-receiving recess. Supporting surfaces are provided in the recess spaced from the inner end surface of the recess for supporting the transducer in spaced... | 10/13/1981 |
