| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Movable contact unit and switch using the same | US11954650 | 2007-12-12 | US07605338B2 | 2009-10-20 | Minoru Karaki; Masahiro Ito; Koji Tanabe; Hirotoshi Watanabe; Yousuke Chikahisa; Yasutaka Yamamoto |
| A movable contact unit includes a base sheet made of polyurethane resin, a domed movable contact made of thin metal sheet, and a pushing protrusion. The movable contact is held on a first face side of the base sheet. The pushing protrusion is formed on a second face of the base sheet at a place corresponding to a domed top of the movable contact. | ||||||
| 182 | Production Method Of One Body Style Touch Pad And One Body Style Keypad Having Touch Pad Produced By That Method | US11721886 | 2005-01-18 | US20080271980A1 | 2008-11-06 | Tae-Sik Seo |
| The one body style keypad according to the present invention has the advantages that a keypad of ultra-thin dimensions is obtained, a visually high-quality presentation is realized due to the inherent luster of synthetic resin, and the manufacturing costs can be reduced because of low-cost synthetic resin unlike conventional keypads, since a key top, a base, and a front housing are formed into a self-contained single unit by the thin strip made of a synthetic resin member with respect to an one body style keypad according to the present invention. | ||||||
| 183 | SWITCHPAD FOR A PUSHBUTTON SWITCH ASSEMBLY | US11111351 | 2005-04-21 | US20060237294A1 | 2006-10-26 | Donald Greer |
| A switchpad for use within a pushbutton switch assembly including a web connecting a spacer and a contact support. | ||||||
| 184 | High voltage resisting keyboard | US10857967 | 2004-06-02 | US20050271442A1 | 2005-12-08 | David Ho; Tony Tsai; Tao Xia; Zhi-Zhong Hong |
| The present invention discloses a high voltage resisting keyboard comprising at least one press key on a casing, a circuit board inside the casing, and a metal dome between the press keys and the circuit board inside the casing, wherein the edge of the metal hemisphere of the metal dome is directly connected to an end of an electrode of the circuit board, and the other end of the electrode is connected to an end of a resistor. Thus, when the edge of the metal hemisphere receives the high voltage current, the keyboard is protected by the resistor to avoid the high voltage current from being sent directly to another end of the resistor that is connected to another electronic component to achieve the purpose of protecting another electronic component. | ||||||
| 185 | Push switch | US10760571 | 2004-01-20 | US20040182688A1 | 2004-09-23 | Keiko Komoto; Yasunori Yanai |
| A push switch includes a switch contact section including first and second contacts, and an elastic element for connecting the first and second contacts by pushing the first contact. The elastic element includes a columnar portion for connecting the first and second contacts by pushing the first contact, a hollow conical portion extending from a junction positioned at an end of the columnar portion, the conical portion having a truncated conical shape, and a thick portion provided at a whole circumstance of the junction. | ||||||
| 186 | Push switch | US10277314 | 2002-10-22 | US06664491B2 | 2003-12-16 | Yasunori Yanai; Hisashi Watanabe |
| In a switch, an elastic member made of elastic material includes a bar section, a conical section at its upper portion functioning as a first deforming section, and a second deforming section at its lower portion. A movable contact in a switch case is pushed with the lower end portion of the second deforming section. A bar section of an elastic element projects through a central hole of a cover fixed to the switch case. In this switch, a pushing force applied to the elastic element deforms the first deforming section elastically, and then the second deforming section deforms elastically, and thus, the switch operates. The switch can absorb fluctuations due to combination of components of an electronic appliance, and stabilize its manipulation feeling through eliminating looseness of an operation button of the appliance. | ||||||
| 187 | Key structure | US10112709 | 2002-04-02 | US06653586B2 | 2003-11-25 | I Hsiung; Chi-Jen Hsueh |
| A keyboard key structure adopted for use on a larger sized key to provide users more effective depressing movements on the key includes two elastic domes to support a key cap in a non-depressed position. The two elastic domes are designed in an unsymmetrical fashion to equip with different compression displacements and flexibility and enable the key cap to move in one direction to reach a depressed position and complete signal input. | ||||||
| 188 | Key structure | US10112709 | 2002-04-02 | US20030106780A1 | 2003-06-12 | I Hsiung; Chi-Jen Hsueh |
| A keyboard key structure adopted for use on a larger sized key to provide users more effective depressing movements on the key includes two elastic domes to support a key cap in a non-depressed position. The two elastic domes are designed in an unsymmetrical fashion to equip with different compression displacements and flexibility and enable the key cap to move in one direction to reach a depressed position and complete signal input. | ||||||
| 189 | Key switch | US10150959 | 2002-05-21 | US06541724B2 | 2003-04-01 | Yuichiro Nozawa; Zenzo Tozuka |
| A key switch includes an elastic member having a circular open end and a membrane sheet on which the elastic member is disposed. The membrane sheet includes two flexible sheets and an insulating resin sheet sandwiched between them. The insulating sheet includes an opening, which has a shape different from that of the open end. | ||||||
| 190 | Panel unit of dealing board | US293514 | 1994-08-22 | US5461376A | 1995-10-24 | Fumiyoshi Oono; Tomonobu Watanabe; Yoshitada Yaginuma |
| A panel unit for a dealing board has a keyboard unit provided with buttons, the keyboard unit has a printed substrate arranged on a display, fixed contacts which form switches provided for the buttons, and electric conductive contact rubber located on the printed substrate and provided with moving contacts opposing the fixed contacts. A panel is positioned on the electric conductive contact rubber and provided with the buttons. The panel has holes, the buttons are fitted into the holes to be vertically moveable so that the fixed contacts of the printed substrate come into contact with the movable contacts of the electric conductive contact rubber. The buttons are provided with an engagement portion for preventing the buttons from coming off the panel and the electric conductive contact rubber and the printed substrate have relief holes in which the buttons are fitted when the engagement portion holds the buttons. | ||||||
| 191 | Keyboard with full-travel, self-leveling keyswitches | US93042 | 1993-07-15 | US5358344A | 1994-10-25 | Kenny R. Spence |
| An improved alphanumeric keyboard 10 is illustrated for use in lap top or notebook personal computers 12. The keyboard 10 has a plurality of full travel, self leveling keyswitches 14 for actuating printed circuit electrical contacts 22 and 26 when the keyswitch is depressed. The keyboard 10 includes an integral keyswitch structure 40 that has an integral keytop and keytop support substructure 44 supported on a common integral base sheet 46. Each of the keytop support substructures 44 includes hinge members 50a, 50b, 50c and 50d that are positioned in a rectangular orientation about the keytop 42. Each hinge member has a rigid upper hinge panel 52 and a lower hinge panel 58 that are integrally interconnected to the keytop 42 and the base sheet 46 for maintaining the keytop in a parallelogram orientation as it is depressed to prevent the keytop from moving laterally or wobbling during depression. The hinge panels 52 and 58 are interconnected by resilient webs 54, 60 and 64 to cause the keytop to be returned to its elevated non-actuating position. | ||||||
| 192 | Illuminated and moisture-sealed switch panel assembly | US916414 | 1992-07-20 | US5340955A | 1994-08-23 | Samuel J. Calvillo; Donald L. Horton; Frank Ganz |
| An environmentally sealed key switch assembly has a key pad formed from a plurality of individual keys preferably arranged in rows and columns. A first elastomeric sheet has a plurality of holes corresponding to positions of keys in the key pad. Each hole stretches around a corresponding one of the keys in order to provide an environmental seal. A second and unbroken elastomeric sheet stretches under the keys to provide a second environmental seal. The keys press downwardly upon, stretch, and deform the second elastomer sheet and thereby operate an electrical contact. When the key is released the memory of the elastomeric sheets provide a return force to restore the key to normal. | ||||||
| 193 | Elastic member for supporting a key top in a push button switch construction | US548241 | 1983-11-03 | US4814561A | 1989-03-21 | Hiroshi Kawasaki |
| An elastic key top construction for supporting a key top comprising a key top push or support section on which the key top is mounted, a projection disposed below the key top support section, a first movable wall integral with the key top support section and the projection for connecting the key top support section to the projection while allowing relative movement to each, a second movable wall integral with the key top support section, the second movable wall being connected to a installment support member of the key top construction so as to allow up/down movement of the key top support section in respect to the base member. | ||||||
| 194 | Capacitance switching device for keyboard | US27485 | 1987-03-18 | US4736076A | 1988-04-05 | Isao Mochizuki; Mitsumasa Kako; Yoshihisa Masuda |
| Disclosed is a capacitance keyboard switching device comprising a fixed electrode formed on one surface of a first insulating film, a movable electrode formed on one surface of a second insulating film, a spacer interposed between the first and second insulating films and provided with a switching opening formed through the spacer for allowing the fixed and movable electrodes to come close to and separate from each other with one of the first and second insulating films interposed between the fixed and movable electrodes, a movable electrode depressing member provided with a depressing portion for depressing the movable electrode to cause the movable electrode to come close to the fixed electrode through the one insulating film, in order to keep the movable electrode flat when the movable electrode is depressed toward the fixed electrode, the depressing portion is provided with a surface area selected to be larger than a surface area of the movable electrode so that the surface area of the depressing member completely covers the surface area of the movable electrode when the depressing portion depresses the movable electrode, or the second insulating film is provided with slots formed therein. | ||||||
| 195 | Elastomeric push button return element for providing enhanced tactile feedback | US697294 | 1985-02-01 | US4604509A | 1986-08-05 | Kevin F. Clancy; Ralph J. Schneider |
| An elastomeric push button return element for providing enhanced tactile feedback, and a push button switch employing the return element. The return element is configured as a tubular section, a flange adapted to be restrained on a mounting surface, a radial web thinner than the wall of the tubular section joining the flange and a first end of the tubular section, a hollow frustum section joined at its large end to the second end of the tubular section, and a crown joined to the small end of the hollow frustum section and adapted to be connected to a push button. | ||||||
| 196 | Spring unit for a keyboard | US638212 | 1984-08-06 | US4571466A | 1986-02-18 | Hideo Iida |
| A spring unit for a keyboard comprises a base sheet having a specified number of openings perforated thereupon in accordance with a key layout and a number of dome-shaped spring members separated individually from each other, and each bearing a movable contact point for completing a circuit between fixed contact points. Each of the spring members is removably engaged with an opening in the base sheet. The spring members are molded from a high polymer resilient material and are easily replaceable. | ||||||
| 197 | Tactile element and keyboard including the tactile element | US117063 | 1980-01-31 | US4307268A | 1981-12-22 | William P. Harper |
| A tactile snap-action element for use in keyboards, the element comprising an arcuately shaped invertible first dome and a second dome shaped actuating protrusion extending from the invertible second dome, the actuating dome protrusion being integral with the invertible dome and being non-invertible. The element is operated by an actuation force which acts directly or indirectly through the non-inverting second dome to invert the first dome and to provide tactile feedback. The keyboard includes a plurality of keys, each key comprising an element, a conductive circuit associated with the first dome and movable with the inversion of the first dome to electrically contact a second conductive circuit associated with the element. | ||||||
| 198 | Push-button switches | US173330 | 1980-07-29 | US4289943A | 1981-09-15 | Ryoichi Sado |
| Different from conventional push-button switches with which an electric circuit is closed and opened as the button top is pushed with a finger tip and as the finger tip is withdrawn from the button top, respectively, the inventive push-button switch operates in a unique manner that the electric circuit is opened already as the pushing force by the finger tip is still on the way of increasing. The inventive push-button switches utilize the delicate snap back action taking place as the strain in the snap spring portion in the diaphragm covering of the switch exceeds a certain critical point so as to spontaneously pull apart the movable contact member on the inward surface of the covering from the fixed contact points on the base plate while the button top is still under pushing with a finger tip. The inventive push-button switch is advantageous because of the absence of the transient disturbances in the circuit such as chattering and bouncing. | ||||||
| 199 | Tactile element and keyboard including the tactile element | US961628 | 1978-11-17 | US4245138A | 1981-01-13 | William P. Harper |
| A tactile snap-action element for use in keyboards, the element comprising an arcuately shaped invertible dome defining a first contour and a dome actuating protrusion defining a second contour, the protrusion being integral with the dome and being non-invertible. The element is operated by an actuation force which acts directly or indirectly through the non-inverting protrusion to invert the first contour and to provide tactile feedback. The keyboard includes a plurality of keys, each key comprising an element, a conductive circuit associated with the first contour and moveable with the inversion of the first contour to electrically contact a second conductive circuit associated with the element. | ||||||
| 200 | Keyboard switch assembly | US763925 | 1977-01-31 | US4190748A | 1980-02-26 | Gordon B. Langford |
| A keyboard assembly and a keyboard switch are presented in which the keyboard switch is a layer of flexible insulating material with circuit configurations thereon and an array of flat topped protrusions which serve as key switches to effect a snap action contact with tactile feedback between a conductive element on the key switch and another conductive element. Preferably, the areas between the protrusions on the insulating layer are securely clamped relative to a backing or stiffening board, and the protruding key switches are operated by hinged key actuators which make off center contact with the protrusion. | ||||||
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