| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | ENHANCED KEY STRUCTURE WITH COMBINED KEYCAP FOR A MOBILE COMPUTING DEVICE | US11773326 | 2007-07-03 | US20080060928A1 | 2008-03-13 | Mark Babella |
| A key structure assembly is provided for a mobile computing device. The key structure assembly includes a keycap having at least a first segment and a second segment. A first actuation member extends inward into the housing from the first segment of the keycap, and a second actuation member extends inward from the second segment of the key cap. A substrate including a plurality of electrical connects, including a first electrical contact aligned underneath the first actuation member, and a second electrical contact aligned underneath the second actuation member. The keycap is moveable inward to direct either the first actuation member into contact with the first electrical contact, or the second actuation member into contact with the second electrical contact. One or more sections of material are positioned above the first electrical contact and the second electrical contact. The material for the one or more sections is formed from a material that deforms with inward movement of either the first segment or the second segment of the keycap. A layer formed by a thickness of the one or more sections of material extending over the first electrical contact and the second electrical contact is non-uniform in either dimension or amount of material. | ||||||
| 82 | Keyboard assembly optimized for a mobile device | US11122674 | 2005-05-05 | US07106306B2 | 2006-09-12 | Norman M. Ladouceur; Jason T. Griffin |
| A keyboard assembly for a mobile device is provided that reduces the separation between keys by reducing the number of required dome switches. A reduction in the number of dome switches can alternatively reduce the amount of real estate taken up by dome switches on a printed circuit board (PCB). Fewer dome switches than keys are provided on a PCB to activate a desired functionality when a key is depressed. The dome switches are each actuatable by and disposed between more than one key, such keys preferably being adjacent keys. Each key has an actuator with at least one arm for actuating a dome switch in an actuated dome switch pattern when the key is depressed. Such a keyboard assembly can be used for any electronic device having a standard QWERTY or Dvorak keyboard layout, a standard telephone or numeric keypad layout, or any other layout of keys. | ||||||
| 83 | Surface pressing button and electronic device including the same | US11348480 | 2006-02-07 | US07098417B1 | 2006-08-29 | Tadanari Fuji |
| An auxiliary supporting frame of an electronic device that has a stopper hole to which a portion of a projection of a surface pressing part is inserted. The stopper hole is open in a direction that a front cover of the surface pressing button is mounted, and a stopper formed on a side opposite to the open side. Therefore, the surface pressing button can be surely and easily mounted on a back surface of a front panel, and a large load can be prevented from being applied to a switch. | ||||||
| 84 | SURFACE PRESSING BUTTON AND ELECTRONIC DEVICE INCLUDING THE SAME | US11348480 | 2006-02-07 | US20060175186A1 | 2006-08-10 | Tadanari Fuji |
| An auxiliary supporting frame of an electronic device according to the present invention has a stopper hole to which a portion of a projection of a surface pressing part is inserted. The stopper hole is open in a direction that a front cover of the surface pressing button is mounted, and a stopper is formed on a side opposite to the open side. Therefore, the surface pressing button can be surely and easily mounted on a back surface of a front panel, and a large load can be prevented from being applied to a switch. | ||||||
| 85 | Expandable and contractible keyboard device | US10317824 | 2002-12-12 | US06830397B2 | 2004-12-14 | Roy J. Lahr |
| An expandable keyboard includes a plurality of expandable keytops, a keyswitch corresponding to each keytop and a force vectoring device arranged between each keytop and corresponding keyswitch. The force vectoring device is configured to direct force applied to any portion of the keytop to the keyswitch. | ||||||
| 86 | Electronic equipment and pushbutton used therein | US10802849 | 2004-03-18 | US06809278B2 | 2004-10-26 | Yasuhiro Tsubaki |
| The electronic equipment makes manipulation surface of a pushbutton accurately project through a button hole formed in a face panel and can prevent play of the pushbutton even when positioning accuracy of the button hole is poor. The electronic equipment is configured such that an outer button and an inner button are mounted in a state that the buttons are movable relative to each other and engaging projections formed on the outer button are respectively positioned to engaging holes formed in the face panel. Due to such a constitution, even when an axis of the button hole of the face panel and an axis of a guide portion of a chassis are displaced form each other, it is possible to make a manipulation surface of the outer button accurately project through the button hole and, at the same time, it is possible to prevent play of the outer button. | ||||||
| 87 | Keyboard assembly for a mobile device | US10302242 | 2002-11-21 | US20030098853A1 | 2003-05-29 | Norman M. Ladouceur; Jason T. Griffin |
| A keyboard assembly for a mobile device is provided that reduces the separation between keys by reducing the number of required dome switches. A reduction in the number of dome switches can alternatively reduce the amount of real estate taken up by dome switches on a printed circuit board (PCB). Fewer dome switches than keys are provided on a PCB to activate a desired functionality when a key is depressed. The dome switches are each actuatable by and disposed between more than one key, such keys preferably being adjacent keys. Each key has an actuator with at least one arm for actuating a dome switch in an actuated dome switch pattern when the key is depressed. Such a keyboard assembly can be used for any electronic device having a standard QWERTY or Dvorak keyboard layout, a standard telephone or numeric keypad layout, or any other layout of keys. | ||||||
| 88 | Electronic equipment and transmission device of button device used therein | US09730668 | 2000-12-06 | US20010003325A1 | 2001-06-14 | Kiyoshi Nakagawa; Koichi Yamaguchi |
| It is an object to provide an electronic equipment with comparative ease of freely choosing the push-button location and with satisfactory operability of the push-button device. In an electronic equipment provided with a button for operating the electronic equipment and equipped with a link mechanism comprising one member configured to operate an electric switch disposed in a printed wiring circuit board for a main circuit of the electronic equipment with the force exerted on the button, the electronic equipment comprises a first lever member whose one end is bendably connected to the electronic equipment via a first elastic portion and which is bent by the force applied to the button, a second lever member whose one end is bendably connected to the electronic equipment via a second elastic portion and which protrudes in the direction opposite to the button and is equipped with an arm for operating the electric switch, and a third elastic portion for connecting the first lever member to the second lever member and transmitting the displacement caused by the bend of the first lever member to the second lever member. | ||||||
| 89 | Thin keyboard switch | US168989 | 1993-12-17 | US5396038A | 1995-03-07 | Kazunori Yamada |
| A key stem of a keyboard switch includes an outer slide and an inner slide. When a key top is struck, the outer slide slides inside of an outer guide, and the inner slide slides inside an inner guide. A first moment point is developed between the outer slide and the outer guide, while a second moment point is developed between the inner slide and the inner guide. A taper at the bottom of the outer slide prevents the second moment point being developed in that location. The reduced horizontal distance between the two moment points helps prevent binding of the key when an actuating force is applied off the axis of the key top. A relationship is disclosed for avoiding sticking or binding in which the horizontal distance between the two moment points, times a coefficient of friction, is less than the vertical distance between the planes of the two moment points. | ||||||
| 90 | Computer key | US053398 | 1993-04-28 | US5380969A | 1995-01-10 | Yung-Chyuan Yang |
| A computer key includes a socket member which confines a receiving space therein and which has a top wall that is provided with a through hole, a resilient biasing member which is disposed inside the receiving space of the socket member, and a support member which has an upright tubular portion and a flange portion that projects radially outward from an intermediate part of the tubular portion and that is in sliding contact with an inner wall surface of the socket member. The support member is provided inside the receiving space of the socket member such that the tubular portion extends through the through hole of the socket member. The tubular portion has a bottom end which rests on top of the biasing member. The biasing member urges the support member upward to a normal unpressed key condition. A push button is secured on top of the support member. The flange portion is provided with at least one spring unit to cushion impact between the flange portion and the top wall of the socket member when the biasing member expands to return the support member to the normal unpressed key condition due to the removal of an applied force on the push button. | ||||||
| 91 | Binary code generator | US3761944D | 1972-01-14 | US3761944A | 1973-09-25 | SHIMOJO T |
| A binary code generator for generating a plural bit binary code from keyboard input data comprises a printed circuit including a plurality of conductive lead groupings arranged in registration with a plurality of pushbuttons on a keyboard frame. The circuit board includes a plurality of electrical terminals one of which is operatively electrically connected to a voltage source and the others of which are selectively operatively electrically connected to the lead patterns forming the conductive lead groupings in accordance with the binary code to be generated. Upon actuation of the pushbutton switch all of the lead patterns in the conductive lead grouping associated with that pushbutton are electrically connected together whereby selected ones of the output terminals are electrically connected to the voltage source thereby to produce a binary output code. The keyboard is formed of a single integral sheet of resilient material and includes a plurality of conductive resilient contacts normally spaced from the conductive lead groupings on the circuit board. In a preferred embodiment each of the lead patterns in a lead grouping comprises a plurality of radially extending branches and the contact member is formed with a contact surface in the form of a continuous generally circular rim adapted upon depression of its associated pushbutton to bridge a sufficient number of lead branches in the associated lead grouping to provide effective and reliable switching under all conditions. The contacts are electrically and structurally separated from each other by raised strips formed integral on the resilient keyboard sheet and secured by appropriate means to the circuit board, those strips being effective to reliably maintain independent actuation of individual pushbuttons.
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| 92 | Snap action switch | US3697711D | 1971-06-29 | US3697711A | 1972-10-10 | TETRICK ELTON E |
| An electromechanical switch that includes an electrically conductive sheet having a spring-like pattern of apertures therethrough, a printed circuit electrical conductor and an apertured insulating spacer therebetween for permitting the center portion of the pattern to make electrical contact therewith when the pattern is forced out of the plane of the conductive sheet by an actuatable plunger.
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| 93 | Keyboard encoder | US3696411D | 1970-11-12 | US3696411A | 1972-10-03 | KILBY JACK S; TASSEL JAMES H VAN |
| Disclosed is a keyboard encoder capable of directly encoding decimal input information into electrical binary code. The electrical encoding of the information appears at the output terminals of the encoder when the key representing the information to be encoded is depressed. The depressed key causes the selective shorting together of certain ones of a group of encoding conductors which are connected to the output terminals.
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| 94 | Keyboard encoder | US3696408D | 1970-11-23 | US3696408A | 1972-10-03 | BOUCHARD RICHARD J; BELDEN RICHARD C |
| Keyboard encoding apparatus having a plurality of keys with different codes of an N digit binary code assigned to each key. A plurality of groups of contact pads are secured to a sheet of electrically non-conductive material at different key locations which are in registration with the keys. Each group of pads includes at least one power pad and a number of digit pads equal to the number of binary 1''s in the associated code. A power lead is secured to the sheet and has connections to all of the power pads. N digit leads are also secured to the sheet with different digit leads being indicative of different orders of the code. Each of the digit leads has connections to those digit pads which are indicative of a like order of the code. A keying means includes a layer of spongy conductive material at each key location disposed in a normal position a distance away from the contact pads and responsive to the actuation of any one of the keys to provide a common connection of the digit pads and the power pad at the associated key location.
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| 95 | Pushbutton keyboard switch array and associated printed circuit logic cards | US3676615D | 1970-07-13 | US3676615A | 1972-07-11 | WIEDMER FRITZ S |
| In a keyboard, an elastic diaphragm switch array and logic, including strobe and rollover protection. The switch includes a diaphragm, a separator, and a switch card. The diaphragm comprises a gold plated continuous sheet of thin spring material and serves as a ground or voltage plane. The switch card has a gold plated pie pattern or switch array at each key location, with generally as many pie sections as there are bits in the code to be produced. Each pie section is wired directly by double sided wiring and through-holes in the switch card to the appropriate output code pin. No decoding or encoding logic is required to produce the code. Strobe logic is provided for assuring that all pie sections have made contact with the diaphragm and rollover protection logic is provided for assuring that only one key is depressed. A key button is provided for pressing the diaphragm through the separator to make contact with the switch card pie pattern.
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