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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8124899 | Key assembly and portable electronic device using the same A key assembly comprises a base plate and two keys. The base plate has an opening defined therein and two opposite first inner walls formed in the opening, each first inner wall has two mating space defined therein and spaced from each other. Each key has two opposi... | 02/28/2012 |
| 8093522 | Press-button for electronic device An exemplary press-button for an electronic device, includes a button cap, a support member connected to the button cap, and a resilient member positioned between the button cap and the support member. The button cap includes a pressing portion extending from a midd... | 01/10/2012 |
| 8080753 | Input apparatus and keyswitch The invention provides a keyswitch. The keyswitch comprises a keycap, an adhesive layer, an electroplated layer, and a protecting layer. The adhesive layer has at least one color and covers the keycap. The electroplated layer covers the adhesive layer. After a part ... | 12/20/2011 |
| 8071902 | Push-button switch and electronic apparatus having the same To prevent the local heating of an electronic apparatus chassis, there is provided a push button switch (10), which comprises a substrate (11) having a first contacting part (11a) and a second contacting part (11b) operable ... | 12/06/2011 |
| 8063327 | Switch assembly and electrical device using same A switch assembly includes a shell, and a push button including a fixing member, a pushing member, an elastic member and an electrical-conductive member. A shell includes an upper surface and a cavity extending from the upper surface to a lower surface opposite to t... | 11/22/2011 |
| 8049125 | Key structure A key structure including at least two protruding keys and a key frame is provided. The at least two protruding keys are arrayed adjacently. Each of the at least two protruding keys has a first side edge, a second side edge and a protrusion. The second side edge is ... | 11/01/2011 |
| 8044314 | Hybrid button A hybrid button according to the invention is provided. In one embodiment, the button can be implemented in an electronic device such as a media player. The button can include a metal or other non-plastic portion having a reverse flange and a plastic portion includi... | 10/25/2011 |
| 8013266 | Key button and key assembly using the key button and portable electronic device using the keypad assembly A portable electronic device is provided. The portable electronic device includes the keypad assembly. The keypad assembly includes key buttons. The key button includes a circuit board portion; a pad portion made of elastic material and fixed on the circuit board po... | 09/06/2011 |
| 8008591 | Key button structure for electronic device A key button structure (10) for using in a portable electronic device (100) is provided. The key button structure (10) include a housing (14) having a joining portion (1428) formed on the outer wall (1422) of the housing ( | 08/30/2011 |
| 7999204 | Key frame and cover member for push button switch An elastic projection elastically projecting outward is provided on the lower side and the lateral side of a hard base. The elastic projection functions as a fixing member when a cover member for a push button switch is fitted into a housing of the product. Inside a... | 08/16/2011 |
| 7928335 | Operating key part An operating key part (60) includes hinge keys (11), protrusions (12), stoppers (13), a frame (20), and hinges (21), which are molded integrally out of thermoplastic resin. The frame (20) takes the form of a grid or l... | 04/19/2011 |
| 7855347 | Member for push button switch and method of manufacturing the same To obtain a member for a push button switch having a natural metallic impression and an upscale impression; enabling a precise arrangement of the push buttons; being capable of being made thinner; and being difficult to get stained, there is provided a member for a ... | 12/21/2010 |
| 7800006 | Push switch A push switch, including a keytop, a keytop returning coil spring, which urges the keytop upwardly, a slider which is press-operated via the keytop, a slider returning coil spring, which urges the slider upwardly, and switch contacts which are contacted with and sep... | 09/21/2010 |
| 7795553 | Hybrid button A hybrid button according to the invention is provided. In one embodiment, the button can be implemented in an electronic device such as a media player. The button can include a metal or other non-plastic portion having a reverse flange and a plastic portion includi... | 09/14/2010 |
| 7781690 | Key sheet and production method thereof Portable phones are getting a trend that s design and thinner configuration becomes more important. Therefore, in order to meet this demand, the entire key top is made of a thin metal, and a thin resin layer is provided on the back surface of the key top and further... | 08/24/2010 |
| 7772512 | Push plate assembly A push plate assembly sends a signal to a receiver. The push plate includes a housing, a push plate, a signal generator, a biasing member, a first latch element, a second latch element, and a button. The push plate is movably mounted to the housing. The signal gener... | 08/10/2010 |
| 7763818 | Spherical bistable mechanism A spherical bi-stable mechanism includes a planar bi-stable compliant member including an input and an output, and a spherical mechanism member coupled to the output of the first planar bi-stable compliant component. An actuation of the first planar bi-stable compli... | 07/27/2010 |
| 7754988 | Keypad module for portable electronic devices A keypad module including at least one key (30) is described. The key (30) includes a keycap (32), a base (34), a supporting member (36), a resisting member (40) and a dome (42). The base includes a pressed portion ( | 07/13/2010 |
| 7745751 | Member for push-button switch and method of manufacturing the same A member for a push-button switch has key top members positioned close to each other through a distance of 1.5 mm or shorter at low cost and with high yield. The member has multiple key top members having resin key top cores and thermoplastic films covering the key ... | 06/29/2010 |
| 7728242 | Trigger switch A trigger switch includes a first locating element, an elastic second locating element, and a pressing element slidably attached to the bezel. The pressing element is restricted by the first locating element to a first position of the bezel to prevent the trigger po... | 06/01/2010 |
| 7714243 | Push button doorbell switch apparatus The push button doorbell switch is used interchangeably within the decorative plates of a doorbell button assembly. Each insert of the push button doorbell switch is capable of being interchanged in a congruent aperture of a variety of decorative plates. These doorb... | 05/11/2010 |
| 7714244 | Button panel for elevators, lifts, and similar machinery “BUTTON PANEL FOR ELEVATORS, LIFTS OR SIMILAR MACHINERY”, wherein said button has a new functional shape in such way that its four parts fit together perfectly and also fits with the elevator panel that may be put together with it. ... | 05/11/2010 |
| 7705258 | Electronic key The aim of the invention is to provide a simple and economical embodiment of an electronic key comprising dimensionally stable push buttons (31). To this end, a membrane (21) and a frame (22) are used is a 2K element (20) of a dual... | 04/27/2010 |
| 7667153 | Double-pole change-over switch A change-over switch for the switching of two electric circuits is disclosed, including a housing, a tappet, two contacts of a first electric circuit, two contacts of a second electric circuit, and a switching contact which comprises in an initial state a first shap... | 02/23/2010 |
| 7645955 | Metallic linkage-type keying device The present invention discloses a metallic linkage-type keying device, which is installed to a casing, such as the casing of a camera, a mobile phone or a video camera. The metallic linkage-type keying device of the present invention comprises: a metallic linkage, h... | 01/12/2010 |
| 7633030 | Key structure for portable electronic devices A key structure (100) for a portable electronic device includes a housing (10) and a key (20). The housing has a receiving portion (142). The receiving portion defines an engaging groove (1446), and a width of the engaging groove f... | 12/15/2009 |
| 7626133 | Metallic panel assembly having ripple luster A metallic panel assembly having a ripple luster includes an elastic layer, an adhesive layer, a metallic keypad panel, an electroplated layer and an ultraviolet curable resin layer. The elastic layer has a carrier. The carrier is provided thereon with a plurality o... | 12/01/2009 |
| 7619175 | Spring structure for press type switch and press type switch for electronic timepiece and electronic timepiece having the same To provide a spring structure for a press type switch and a press type switch of an electronic timepiece capable of minimizing a variation among products with regard to a click feeling and an electronic timepiece having the same. A spring structure for a press type ... | 11/17/2009 |
| 7598466 | Key sheet Disclosed is a thin key sheet in which the adhesive is prevented from being squeezed out and in which adhesive marks and bubble marks are hard to be visible. An adhesive layer is in a dot pattern formed by a plurality of dots spaced apart from each other by gaps, so... | 10/06/2009 |
| 7579567 | Worklight with ergonomic switch An ergonomically designed switch for a halogen worklight. The worklight includes a switch housing attached to the worklight head and a push-action switch mounted in the switch housing for energizing one or more halogen lamps mounted in the worklight head. An ergonom... | 08/25/2009 |
| 7564001 | Switch and remote controller using the same A switch includes a case having an upper surface with a hole provided therein, an operating unit inserted in the hole so as to be movable up and down, plural switch contacts arranged to be activated upon the operating unit moving up and down, and a guide wall protru... | 07/21/2009 |
| 7538286 | Key sheet and pushbutton switch Provided is a key sheet in which fixation members such as key tops can be firmly fixed to a base sheet. The back surfaces of the key tops are fixed to a film sheet without involving any gaps by means of adhesion layers 11 stacked on the entire back surfaces o... | 05/26/2009 |
| 7485823 | Methods and apparatus for constructing a multi-part switch Methods and apparatus for providing a switch that includes multiple parts, and is arranged to function after extended periods of being in a depressed state are disclosed. In one embodiment, a multi-part switch includes a first contact, a second contact, and a plate.... | 02/03/2009 |
| 7485822 | Key sheet Disclosed is a key sheet efficiently diffusing local heat generated by a device mounted on a board. A key sheet has a base sheet formed of a rubber-like elastic material in which a heat conductive filler is mixed. Thus, if a semiconductor device on a board generates... | 02/03/2009 |
| 7470869 | Key structure A key structure is provided, which includes a plurality of contact members and a control member. Each of the contact members has an elastic portion and a fixed portion, and the control member has a pressing portion and a combining portion. The control member is sele... | 12/30/2008 |
| 7462796 | Push button A push button of a computer keyboard includes a cap (10) and a key base (20) attached to cap. The cap includes a cover (12) and a post (14) extending from the cover along a first direction. The post includes a plurality of sidewalls (1... | 12/09/2008 |
| 7456369 | Push button mechanism, operation panel, and image forming apparatus A push button mechanism that includes plural push button members and one or more positioning members. The plural push button members have push portions for receiving an external force. The positioning member includes plural positioning portions corresponding to each... | 11/25/2008 |
| 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 |
| 7435923 | Electrical switching device A switch having an actuating handle, a restoring mechanism, a contact carrier, and a rocker. The handle is rotatable to be movable upward and downward and moves downward in response to being actuated. The restoring mechanism is movable upward and downward and is bia... | 10/14/2008 |
| 7432464 | Light guide for illuminating keypads A light guide (30) for illuminating a keypad (20) including a plurality of keys (22) includes a plurality of apertures (300) corresponding to the keys, and a plurality of slots (340). The slots are defined in a face of the light gu... | 10/07/2008 |
