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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8168906 | Support member, keyswitch, and keyboard A support member for supporting a key cap, a keyswitch and a keyboard with the support structure are disclosed. The support member includes a first subunit and a second subunit. The first subunit includes a first arm which includes a first pivoting part at one end. ... | 05/01/2012 |
| 8164017 | Key structure and keyboard having such key structure A key structure and a keyboard including multiple key structures are provided. The key structure includes a keycap, a base plate and a scissors-type support member between the keycap and the base plate. The scissors-type support member includes an inner frame having... | 04/24/2012 |
| 8110764 | Key structure A key structure is provided, including a substrate, a key cap, a first link, and a second link pivotally connected to the first link. The first and second links movably connect the key cap with the base. The key cap comprises a first surface and a guiding portion ex... | 02/07/2012 |
| 8101879 | Key switch and keyboard having the same A gear-link type key switch including a pair of link members on a base panel, wherein the key switch has a constitution in that the pair of link members are not disengaged when a key top is attached to the link members. Furthermore, the key switch alleviates the nee... | 01/24/2012 |
| 8093523 | Supporting structure, keyswitch and keyboard This invention discloses a supporting structure for supporting a keycap of a switch. The supporting structure includes a first supporting member and a second supporting member. The first supporting member has a first arm, and the first arm forms a first shaft is per... | 01/10/2012 |
| 8080754 | Push switch A push switch includes a housing having a top opening and a recessed section at a lower part, a push-type switch contact placed on an inner bottom face of the recessed section, an operating unit having an operating section at an upper part and a flange section at a ... | 12/20/2011 |
| 8080755 | Key structure and keyboard having such key structure A key structure and a keyboard including multiple key structures are provided. The key structure includes a keycap, a base plate and a scissors-type support member between the keycap and the base plate. The scissors-type support member includes an inner frame having... | 12/20/2011 |
| 8053697 | Keyboard, linkage assembly set, and method of assembling a keyboard A keyboard includes a keyboard base, a membrane circuit substrate, and a press key set having a plurality of press keys. Each of the press keys includes: a keycap, a linkage assembly including intersecting first and second link levers, and a first pivot mechanism to... | 11/08/2011 |
| 8030585 | Press-key structure A press-key structure is disclosed, which comprises: a keycap, configured with a bottom surface; a substrate, being disposed under the keycap; and a pressing part, being arranged between the keycap and the substrate. In an exemplary embodiment, the pressing part fur... | 10/04/2011 |
| 8022325 | Keyswitch and keyboard The invention discloses a keyboard comprising a substrate and a plurality of keyswitches. The keyswitches are disposed on the substrate. The substrate includes a first connection portion and a reinforcement structure. The first connection portion is formed from bend... | 09/20/2011 |
| 7994446 | Key mechanisms A key mechanism. A base plate includes at least one first guiding base, at least one second guiding base, at least one first barricade, and at least one second barricade. The first guiding base opposes the second guiding base. The first barricade opposes the second ... | 08/09/2011 |
| 7973254 | Key structure The invention discloses a key structure including a keycap, a base plate, and a support member. The keycap includes a slide part; the base plate includes an engagement part; the support member includes a first end and a second end for engaging the keycap and the bas... | 07/05/2011 |
| 7964813 | Key structure A key structure has a fixing base. The fixing base includes a fixing board, and a plurality of platforms extending upwards from a top of the fixing board and spaced away from each other. Each of the platforms is formed with a restraining hole at a top thereof. A res... | 06/21/2011 |
| 7910849 | Button mount for a lighting control A mounting system for a button includes first and second spring elements located adjacent opposite ends of the button. Each of the spring elements includes a serpentine portion capable of multiple degrees of freedom of movement providing varying actuating motions fo... | 03/22/2011 |
| 7893376 | Key structure with scissors-type connecting member A key structure includes a scissors-type connecting member. The scissors-type connecting member includes a first frame and a second frame. The first frame includes a first protrusion and a second protrusion. The second frame includes a first receiving recess for acc... | 02/22/2011 |
| 7881049 | Transmission structure, input device, and data processing system The invention discloses a transmission apparatus set in a data processing system. The data processing system includes a display device and an input device. The display device is connected to the input device through a connecting member. The transmission apparatus in... | 02/01/2011 |
| 7842895 | Key switch structure for input device A key switch structure used in an input device is disclosed to include a circuit module, a key cap supported on a vertically compressible and elastically deformable hollow actuation member of a rubber membrane of the circuit board, a positioning board fastened to th... | 11/30/2010 |
| 7745752 | Mounting of an operation key within an operation panel An operation key 3 is fitted in a guide hole 4 of an operation section cover 2 while making contact with support pieces 12 of a film member 10a. Thus, the support pieces 12 are pressed, widened, and then bent by an operation... | 06/29/2010 |
| 7728243 | Keyboard with wobble prevention structure A keyboard with a wobble prevention structure, which is substantially a substrate having at least one press key arranged thereon while enabling each press key to be driven to move in a reciprocating manner following a specific direction, and having a plurality of po... | 06/01/2010 |
| 7714245 | Keyswitch with balance member The invention discloses a keyswitch, which includes a keycap and a balance member. The keycap thereof defines a lower surface, which has at least one mounting portion. The balance member has an axle thereof defines a first end and a second end opposite to the first ... | 05/11/2010 |
| 7709762 | Keyboard A keyboard includes a keycap, a pivot structure, a base and an X-structure. The keycap includes a bottom surface, a first edge and a second edge. The pivot structure includes two first engaging portions and two second engaging portions. The first engaging portions a... | 05/04/2010 |
| 7696446 | Key structure The invention discloses a key structure comprising a keycap, a base plate, and a support member. The keycap comprises a slide part; the base plate comprises an engagement part; the support member comprises a slide end and an engagement end, and the support member is... | 04/13/2010 |
| 7683280 | Keyboards and key structures thereof Key structures are provided. A key structure comprises a substrate, a first rod, a second rod, and a key cover. The substrate comprises a first surface, a through hole, and a plurality of contact portions fixed to the first surface. Each of the contact portions has ... | 03/23/2010 |
| 7649151 | Gear-type key switches of keyboard device A gear-type key switch of a keyboard device of the present invention includes a key top, a holder member, four gears, a spring member, a film circuit board and a supporting plate. The spring member and the holder member are located above the supporting plate and bel... | 01/19/2010 |
| 7629548 | Control panel assembly An illuminated control button with an eccentric switch and a button spring configured to substantially balance the mechanical resistance of the switch when the button is depressed. The switch may be a conventional push-button switch having a stem directly contacting... | 12/08/2009 |
| 7572996 | Keyswitch structure The invention discloses a keyswitch, which includes a substrate, a plurality of switches, a keycap, and at least one support. The switches are fixed on the substrate. The keycap thereof defines a bottom surface, which has a plurality of protruding portions, each of ... | 08/11/2009 |
| 7564002 | Electromechanical device for controlling an image forming apparatus An electromechanical device including a key top member (i.e., a push button cover device) used in a push button mechanism. The key top member has a main body, a frame surrounding the main body, and a hinge portion supporting the key top main body. The hinge portion ... | 07/21/2009 |
| 7498536 | Key structure of a computer keyboard A key structure, which comprises a key cap, a linkage mechanism, a fixed base, a resilient assembly and a membrane circuit board, of a computer keyboard is provided, The key cap has a top and a bottom. The fixed base, formed with a receiving space, has a top and a b... | 03/03/2009 |
| 7449651 | Press key structure A press key structure is disclosed, which comprises: a keycap, configured with a bottom surface; a substrate; a first movable panel; and a second movable panel; wherein the substrate is arranged at a position underneath the keycap while disposing the first and the s... | 11/11/2008 |
| 7442894 | Electrical switch having a variable return force An electrical switch system may include a contact-bearing support configured to delimit a recess in a substantially horizontal bottom, wherein at least two fixed electrical contacts are positioned in the recess. Additionally, the electrical switch system may include... | 10/28/2008 |
| 7432460 | Button assembly with status indicator and programmable backlighting A configurable switch matrix assembly with button assembly is disclosed for keypads used in devices such as primary control points for automation systems in homes vehicles, or commercial environments. The configurable switch matrix assembly preferably includes a fra... | 10/07/2008 |
| 7417200 | Input devices and key structures thereof having resilient mechanisms Key structures are provided. A key structure comprises a key cap, a substrate, a resilient unit, a first rod and a second rod. The first and second rods connect the substrate and the key cap. When the resilient unit is in a first position, the resilient unit abuts t... | 08/26/2008 |
| 7379720 | Keypad lighting using polymer light emitting devices At least one key of a keypad of an electronic device, such as a wireless terminal, includes a polymer light emitting device, also referred to as a polymer LED, thereon. A polymer LED may be on the inner and/or outer surface of the face of the key and may be unpatter... | 05/27/2008 |
| 7351928 | Key input device A key input device includes a key input unit and an illuminating unit. The key input unit has a key cap, movable mechanism, pressure sensing part, and a frame housing these components. The illuminating unit illuminates the key cap from the bottom of this key input u... | 04/01/2008 |
| 7348511 | Button device for computer bezel A button device for an electronic device, includes a panel defining an opening, a button module, and a switch. The button module has two opposite ends attached to the panel. A button is suspended at a middle of the button module and aligned with the opening of the p... | 03/25/2008 |
| 7345253 | Key structures Key structures are provided. A key structure includes a key cover, a substrate, a slider movable with respect to the substrate, a first rod, a second rod and a resilient member. The first rod pivotally connects the key cover and a first guiding portion of the substr... | 03/18/2008 |
| 7332687 | Keyboard structure and keyboard assembly method A keyboard structure including a base, a key-cap, and a linking-up mechanism is provided. The key-cap is disposed on the base, and the linking-up mechanism is connected between the base and the key-cap. The linking-up mechanism includes a first frame and a second fr... | 02/19/2008 |
| 7319202 | Key switch device A first bearing member is provided on a key top. A second bearing member is provided on the key top. A first guide member is provided on a board. A second guide member is provided on the board. A first link member is disposed between the board and the key top, and h... | 01/15/2008 |
| 7312414 | Key switch device A key switch device capable of preventing a key top from displacing in the horizontal direction when the key top is being depressed, and of minimizing wear and damage to the components thereof. A displacement restricting part, contacting each of a pair of link membe... | 12/25/2007 |
| 7288733 | Keyboard apparatus A keyboard apparatus has a base component arranged under key switches. The base component has an embossed portion. A cooling material is filled into the embossed portion. The embossed portion may be formed continuously between the key switches along the length of ke... | 10/30/2007 |
