序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 One-sided electrode arrangement on an intermediate spacer for a touchscreen US09474707 1999-12-29 US06305073B1 2001-10-23 James Cameron Badders, Jr.
A membrane switch (10) is disclosed having a bottom membrane (12) with an upper conductive surface (16), a top membrane (14) with a lower conductive surface (18), and an intermediate spacer (20) disposed therebetween. The intermediate spacer includes a central aperture (24) and is formed of an intermediate substrate (21) having a lower surface (26) and an upper surface (28). First y-axis electrodes (30A, 30B) including first contact portions (31A, 31B) and second x-axis electrodes (34A, 34B) including second contact portions (38A, 38B) are both formed on the upper surface of the intermediate substrate. The intermediate spacer further includes an upper adhesive layer (45) including predefined first apertures (50) adapted to overlie the first contact portions of the y-axis electrodes and predefined second apertures (47) adapted to overlie the second contact portions of the x-axis electrodes, and a lower adhesive layer (43). Preferably after the intermediate spacer is assembled, at least one hole (39) is defined through each of the first contact portions, extending through the intermediate substrate and the lower adhesive layer. Then conductive epoxy material (41) is poured into the first aperture and the hole so as to provide an electrical conduction path between the first contact portion of the y-axis electrode and the lower adhesive layer. Similarly, conductive epoxy material is poured into the second aperture predefined through the upper adhesive layer so as to provide an electrical conduction path between the second contact portion of the x-axis electrode and the upper adhesive layer. When the intermediate spacer thus constructed is secured between the bottom and top membranes, the y-axis and x-axis electrodes are in electrical contact with the bottom and top membranes, respectively.
22 EL-combined sheet switch US09307952 1999-05-10 US06198060B1 2001-03-06 Hiroshi Yamazaki; Koji Hirose
An EL-combined sheet switch including a circuit board having a driving circuit mounted on its back surface and having a switch pattern formed on its front surface in combination with a contact sheet having a counter electrode on its back surface in such a manner that the counter electrode faces the switch pattern to construct a switch mechanism. On the front surface of the contact sheet is attached an EL sheet and a shield layer is provided between the contact sheet and the EL sheet. In the EL-combined sheet switch, as described, the electromagnetic noise from the EL sheet which might otherwise affect the operation of an electronic device is blocked by the shield layer. The shield layer is preferably connected with a ground electrode formed on the circuit board.
23 Membrane switch and fabrication method US756909 1991-09-09 US5228562A 1993-07-20 Alan M. Burk
A membrane switch (10) having a top membrane (12) with a lower conductive surface (16), a bottom membrane (14) with an upper conductive surface (18), and a dielectric intermediate circuit spacer (20) disposed therebetween. The intermediate circuit spacer includes a central aperture (24) and defines upper and lower surfaces (28 and 32). First y-axis electrodes (26) are formed on the upper surface of the intermediate circuit spacer, and second x-axis (30) electrodes are formed on the lower surface of the intermediate circuit spacer. Conductive adhesive (58, 64) is applied between the intermediate circuit spacer and the top and bottom membranes to secure the intermediate spacer in place with the x- and y-axis electrodes in electrical contact with the top and bottom membranes, respectively.
24 Touch-sensitive panel and display apparatus using the touch-sensitive panel US689648 1991-04-22 US5193668A 1993-03-16 Shunsei Fukuchi; Nobuhiro Kasai
A touch-sensitive panel for outputting data corresponding to pressed positions on a touching plate included in the touch-sensitive panel and for sending the output data to a display device includes a plurality of first electrodes arranged on the touching plate, a plurality of second electrodes being opposed to the plurality of first electrodes and being capable of conducting to the plurality of first electrodes located at the pressed positions when the touching plate is pressed, a first connecting plate for connecting the plurality of first electrodes to the display device, a second connecting plate for connecting the plurality of second electrodes to the display device, an anisotropic electrically conductive bonding layer having a plurality of through holes and arranged on the first connecting plate, and a conductive layer including conductive particles, the conductive layer being laid between the plurality of first electrodes and the anisotropic electrically conductive bonding layer, the conductive particles being in the through holes.
25 Input device having double-layer adhesive conductive connecting portions US530867 1990-05-31 US5179460A 1993-01-12 Shoji Hinata; Yohichi Ono; Satoshi Wakabayashi
An input structure for a display device having opposed substrates an electrodes disposed on the inner surfaces of the substrates and a seal about the periphery thereof with a relay electrode crossing the seal to connect the electrodes on the opposed substrate to external circuitry. The electrical connection between the electrodes on the first substrate to the relay electrode is provided by a conductive adhesive electrode and a conductive synthetic resin thin film layer contacting the conductive adhesive electrode, the thin film layer formed of conductive material which is shorter than the conductive material of the conductive adhesive electrode to absorb shock and avoid separation of the electrodes from the opposed substrate.
26 Compact electronic device US69898 1987-07-06 US4801768A 1989-01-31 Kazuhiro Sugiyama; Yoshio Kawai
A key switch structure comprises a first insulating cover having on one surface thereof a first conductive layer and an anisotropically electrical conductive layer printed on the first conductive layer, a second insulating cover having one surface arranged at a side opposite to the anisotropically electrical conductive layer on the first cover member, and a second conductive layer sandwiched between the anisotropically electrical conductive layer and the second insulating cover. At least, one of the first and second insulating covers being flexible. A depression force is selectively introduced from the other surface side of the flexible cover through the anisotropically electrical conductive layer so as to form a conductive path between the first and second conductive layers.
27 Electronic equipment having a key input function US837654 1986-03-06 US4681987A 1987-07-21 Kaname Suwa
Electronic equipment having a key input function comprises a circuit structure having an electrical circuit including a plurality of key input contacts formed thereon, a frame arranged on the surface of the circuit structure, and key input buttons arranged one for each of the key input contacts. The frame has holes for each of the key input contacts, an insulative layer adjoining the electrical circuit and a metal layer which is in contact with the electrical circuit, which metal layer is exposed at the holes so that the key input buttons, which fit into the holes, selectively and electrically connect the key input contacts to the metal layer.
28 Sheet-like compact electronic equipment US468401 1983-02-22 US4558427A 1985-12-10 Eiichi Takeuchi; Kazuya Hara
A sheet-like compact electronic device includes an electronic parts assembly in which a semiconductor integrated circuit chip, a display element and a dry cell are arranged on a sheet-like board. The electronic parts assembly is flexible and is sandwiched between a sheet-like upper cover and a sheet-like lower cover. The upper cover is flexible and has a display window, and the lower cover is also flexible and has a flat lower surface.
29 Pressure-sensitive adhesive and application thereof US295717 1981-08-24 US4433223A 1984-02-21 Willis A. Larson; Anthony J. Van Zeeland
A conductive adhesive for use in membrane switch and printed circuit technologies consists essentially of a resin modified copolymer of butadiene and styrene and a conductive element. The conductive element is preferably a material such as acetylene black and is more than two percent and less than 40 percent by weight of the adhesive. The conductive adhesive may be used to secure the membrane and substrate of a membrane-type switch thereby providing a conductive path between the membrane and substrate. The adhesive may also be used to attach a membrane switch tail to an associated printed circuit board or the like, again with the conductive properties of the adhesive providing a current path as well as the conventional adhesion between the two parts.
30 Membrane switch interconnect tail and printed circuit board connection US155562 1980-06-02 US4403272A 1983-09-06 Willis A. Larson; David A. Christensen; Anthony J. VanZeeland
A switching device, for example a membrane switch, having an interconnect tail for electrically connecting the switching device to a circuit board. The tail has conductive traces formed thereon, which are in circuit with the conductive elements of the switching device. The conductive traces on the tail are raised from the plane of the tail thus making the traces the most prominent part of the tail. This structure assures electrical contact with the circuit board.
31 Optically clear membrane switch US790635 1977-04-25 US4143253A 1979-03-06 Richard M. Wagner; Richard H. Zimmerman
Membrane switch assembly comprises a transparent laminate comprised of three sheets of cellulose acetate material. The intermediate sheet has an opening therein which defines a switch site. Hairline conductors on the internal surfaces of the outer sheets cross each other at the switch site so that the switch is closed when one of the outer sheets is pressed at the switch site. The conductors are produced on the surfaces of the outer sheets by a process including electroless deposition of blanket coatings of conductive metal, selective deposition along lines which define the conductors and selective etching of the blanket coating to leave the hairline conductors.
32 Electronic apparatus equipped on a flexible substratum US739002 1976-11-04 US4104728A 1978-08-01 Takeshi Kasubuchi
An electronic apparatus principally comprising a display unit, a mechanical contact type keyboard unit and several LSI (large-scale integrated circuit) elements including a computation circuit, a logical control circuit, a storage circuit, a program memory circuit, etc., these units and elements all being incorporated on a single flexible plate of electrical insulating material, such as a film of polyethylene-terephthalate or a polyamide. The metal depositing technology or the etching technology is applied to form a wiring pattern on the flexible plate. The LSI elements are directly mounted on the single flexible plate by utilizing the wireless bonding method, such as for example, a flip chip bond or a beam lead bond, before these elements are packed and sealed. The substratum may be secured in the inside of the apparatus in a serpentine fashion in order to make the best use of the inside space of the apparatus. It is easy to adjust the angle or the position of the display units with respect to the keyboard unit, since the display units are mounted on the flexible plate.
33 NOVEL CONDUCTING STRUCTURE AND CONDUCTING METHOD FOR UPPER SHEET AND LOWER SHEET OF FILM BUTTON CIRCUIT US15871118 2018-01-15 US20180137995A1 2018-05-17 Leeming Niu
A novel conducting structure and conducting method for an upper sheet and a lower sheet of a film button circuit. A first upper sheet conducting layer and a second upper sheet conducting layer are coated in sequence on an upper sheet conducting contact point. A first lower sheet conducting layer and a second lower sheet conducting layer are coated in sequence on a lower sheet conducting contact point. The first upper sheet conducting layer, the second upper sheet conducting layer, the second lower sheet conducting layer and the first lower sheet conducting layer are overlapped in sequence, thereby forming a composite conducting layer that is slightly greater than a back glue layer in thickness. The present invention can simplify assembly processes and can improve the production efficiency.
34 Keyboard device US15077821 2016-03-22 US09741506B1 2017-08-22 Lei-Lung Tsai; Yi-Chen Wang
A keyboard device includes plural keycaps and a membrane switch circuit member. The membrane switch circuit member is disposed under the plural keycaps. The membrane switch circuit member includes a wiring board and plural separate covering pads. The wiring board includes plural first trace patterns and plural second trace patterns corresponding to the plural keycaps. The plural second trace patterns are disposed on the wiring board and separated from the plural first trace patterns. There is a gap between each first trace pattern and the adjacent second trace pattern. The covering pads are disposed over the wiring board. The plural covering pads are aligned with the corresponding keycaps and cover the corresponding gaps. The covering pad has a triggering trace pattern over the corresponding gap.
35 WATERPROOF PRESSKEY STRUCTURE AND WATERPROOF MOBILE PHONE UTILIZING SAME US15347810 2016-11-10 US20170064053A1 2017-03-02 JI-DONG MA; DONG-MING CHEN
A waterproof presskey structure includes a shell, a button or presskey, and an elastic element. The elastic element and the shell can be assembled together with gum, the presskey is movably assembled to the shell and matches with the elastic element. The elastic element comprises a tubular structure having an elastic wall. The elastic wall is arched, and the elastic wall projects out towards within the tubular structure. For the arched elastic wall stretches under pressure from the button or presskey, an assembly of the elastic element and other parts is not affected, the elastic element cannot be separated from the shell due to the gum failing, and water resistance between the presskey and the shell is increased.
36 NOVEL CONDUCTING STRUCTURE AND CONDUCTING METHOD FOR UPPER SHEET AND LOWER SHEET OF FILM BUTTON CIRCUIT US15125147 2015-02-04 US20160379773A1 2016-12-29 Leeming NIU
A novel conducting structure and conducting method for an upper sheet and a lower sheet of a film button circuit. A first upper sheet conducting layer and a second upper sheet conducting layer are coated in sequence on an upper sheet conducting contact point. A first lower sheet conducting layer and a second lower sheet conducting layer are coated in sequence on a lower sheet conducting contact point. The first upper sheet conducting layer, the second upper sheet conducting layer, the second lower sheet conducting layer and the first lower sheet conducting layer are overlapped in sequence, thereby forming a composite conducting layer that is slightly greater than a back glue layer in thickness. The present invention can simplify assembly processes and can improve the production efficiency.
37 Touch Panel Unit US11885880 2006-03-06 US20080136788A1 2008-06-12 Kazuhiro Nishikawa; Takeshi Asakura; Noriaki Tsuchida; Koichi Hamaoka
There are provided a design sheet (5) attached to the surface of an upper electrode film (1) of a touch panel (4) such that the design sheet is protruded at its periphery from the touch panel (4) and a touch-panel-unit casing (6) which is integrally molded with the design sheet (5) such that the casing is covered at its surface with the design sheet (5) and surrounds the side surfaces of the touch panel (4).
38 THIN FILM SWITCH WITH CHANGEABLE OUTLET JOINT US11735873 2007-04-16 US20070242038A1 2007-10-18 Feng-Ting Hsu
A thin film switch with a changeable outlet joint includes two thin films, a touch circuit, and a soft flat cable. The two thin films have two opposite inner surfaces. The touch circuit includes a plurality of touch portions and an outlet end, which are disposed on the two opposite inner surfaces of the two thin films. Each couple of the touch portions switches to a conducting state when receiving a press action and transfers a signal to the outlet end. The soft flat cable includes a connecting portion. The soft flat cable is connectably disposed on the outlet end through the connecting portion to form an outlet joint.
39 Glass keyboard, and method for producing a glass keyboard US09623880 2000-11-21 US06617983B1 2003-09-09 Karl-Otto Platz
In a glass keyboard comprising a keyboard surface (4) made from a flexible thin glass pane (2) and at least one carrier material pane (6), each pane being provided with an electroconductive layer (8,10) on the faces facing each other, wherein the opposing electroconductive layers (8,10) are kept at a distance to each other with the aid of a spacer (12), and wherein the electroconductive layers (8,10) touch each other when pressure is applied to the flexible thin glass layer (2) at the essentially localized place of pressure application, it is provided that the electroconductive layers (8,10) on the thin glass pane (2) and the carrier material pane (6) are connected with conductors (62,66) which are led out at a side edge of the keyboard surface (4), that a flexible flat multiple cable (64,68) is connected with the conductors (62,66) of the electroconductive layers (8,10) via contacts (74,75), and that the flat multiple cable (64,68) comprising the contacts (74,75) is arranged between the thin glass pane (2) and the carrier material pane (6).
40 Methods for manufacturing a tactile sensor using an electrically conductive elasomer US09965160 2001-09-26 US20030024113A1 2003-02-06 Irving S. Scher; Daniel Conrad Benson
The present invention provides methods for connecting electrically conductive elastomer to electronics that reduce cost and time for manufacturing a tactile sensor that includes an electrically conductive elastomer such as a conductive foam. The methods provide a good connection between the electrically conductive elastomer and the electrodes connected to the electronics, which provide for repeatable measurements. The methods can be used for all cases of electrically conductive elastomers and elastomers made to be conductive with the addition of conductive particles (such as carbon, silver, nickel, gold, etc.) including thermoplastic and some thermosetting elastomers.
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