序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 JPS5078872A - JP12496674 1974-10-31 JPS5078872A 1975-06-26
A tactile switch plate for a keyboard comprises a non-conductive member sandwiched between a pair of conductors, the member having a planar body portion provided with a plurality of outwardly deformed carrier portions corresponding in number and spacing to the number and spacing of the keys of the keyboard. Each of the carrier portions is resiliently flexible for movement toward the plane of the body and each carrier portion carries a preferably elastomeric switching member that is adapted to bridge the conductors and establish an electrical circuit between the conductors. The plate and switching members preferably are produced by a molding process and the elastomeric switching members are cured by heat generated by an electrical current.
62 Touch sensor switch US12106999 2008-04-21 US07829813B2 2010-11-09 Keiji Murase; Seiya Murase; Masahiko Miyata; Katsuhide Kumagai; Kenji Iwasaki; Kazuki Yamaguchi
A touch sensor switch for easily taking out an output of a touch sensor with high reliability. Push-type switching elements 2A, 2B, and 2C are mounted on a printed circuit board 1, a rubber dome 3 is provided with expanded portions 30A, 30B, and 30C for housing the switching elements 2A, 2B, and 2C, the switching elements 2A, 2B, and 2C are provided with conductive films 41A, 41B, and 41C on an outer surface and a lower face, conductive parts 31A, 31B, and 31C are provided at a conductive part such as an upper surface of the expanded portions 30A, 30B, and 30C of the rubber dome 3, or a wiring pattern of the printed circuit board 1, and the conductive films 41A, 41B, and 41C contact with the conductive parts 31A, 31B, and 31C constantly by a biasing force of the switching elements 2A, 2B, and 2C regardless the operation of switch knobs 4A, 4B, and 4C.
63 ELECTRONIC APPARATUS US12706194 2010-02-16 US20100206707A1 2010-08-19 Takashi Yoshida
An electronic apparatus includes an operation member which includes an operation portion, a substrate which includes a switch detecting pattern and a ground pattern, and a sheet member which is disposed between the operation member and the substrate and provided with a metal piece for causing the switch detecting pattern to be electrically continuous to the ground pattern according to an operation to the operation portion, wherein the metal piece is in contact with the ground pattern, and the sheet member covers the metal piece with an insulating member in such a manner that at least a part of a surface of the metal piece is exposed.
64 TOUCH SENSOR SWITCH US12106999 2008-04-21 US20080257707A1 2008-10-23 Keiji MURASE; Seiya MURASE; Masahiko MIYATA; Katsuhide KUMAGAI; Kenji IWASAKI; Kazuki YAMAGUCHI
A touch sensor switch for easily taking out an output of a touch sensor with high reliability. Push-type switching elements 2A, 2B, and 2C are mounted on a printed circuit board 1, a rubber dome 3 is provided with expanded portions 30A, 30B, and 30C for housing the switching elements 2A, 2B, and 2C, the switching elements 2A, 2B, and 2C are provided with conductive films 41A, 41B, and 41C on an outer surface and a lower face, conductive parts 31A, 31B, and 31C are provided at a conductive part such as an upper surface of the expanded portions 30A, 30B, and 30C of the rubber dome 3, or a wiring pattern of the printed circuit board 1, and the conductive films 41A, 41B, and 41C contact with the conductive parts 31A, 31B, and 31C constantly by a biasing force of the switching elements 2A, 2B, and 2C regardless the operation of switch knobs 4A, 4B, and 4C.
65 Elastomeric connectors and retention members for holding the same US11186504 2005-07-21 US20070020972A1 2007-01-25 Vishwa Shukla; Curtis Knaub; Joseph Kiszka; Bohdan Wozniak; Edward Pupkiewicz
A connector assembly includes an elastomeric connector; and a flexible retention member. The retention member has a low profile body having a touchpad and an opening extending entirely through the body. The retention member also includes at least one dispensing well in communication with the opening.
66 MULTI-SHOT MOLDED TOUCH SWITCH US10802193 2004-03-17 US20050205407A1 2005-09-22 David Hein; Michael Cass; Todd DePue; Charles Banter
A conductive plastic touch switch includes a plastic substrate having a first side surface including at least two channels formed within the first side surface and a second side surface including a manual activation region opposite of the at least two channels. At least two conductive traces are formed within the at least two channels, respectively. A printed circuit board is electrically attached to the at least two conductive traces. The plastic substrate is formed during a first mold process and said at least two conductive traces are in-molded during a second mold process.
67 Push-button switch member and manufacturing method of same US10603762 2003-06-26 US06936783B2 2005-08-30 Toshiyuki Kawaguchi; Shinji Hotta; Masayuki Takahashi
A push-button switch member which utilizes light energy without any loss for back-lighting on a display section and which realizes the back-lightening to the display section with an even luminance while suppressing power consumption and having high visibility and thin thickness. The push-button switch member includes a key-top portion and a cover base member which is provided at a predetermined portion of the key-top portion and which is adapted to be mounted to the circuit board. The key-top portion includes a display section for displaying a switching function and an area emitter which is integrally formed with the display section. The area emitter member is provided with a light emitting layer disposed between a base electrode and a transparent electrode, which is disposed so as to oppose the base electrode. The transparent electrode is arranged to be contacted to the display section and is formed of a transparent conductive polymer.
68 Push-button switch member and manufacturing method of same US10603762 2003-06-26 US20040129542A1 2004-07-08 Toshiyuki Kawaguchi; Shinji Hotta; Masayuki Takahashi
It is an object to provide a push-button switch member (1), by utilizing light energy with out any loss for back-lightening on a display section, capable of realizing the back-lightening to the display section with even luminance while suppressing power consumption and having high visibility and thin thickness, the push-button switch member comprising a key-top portion (3) and a cover base member provided with the key top portion at a predetermined portion; thereof and adapted to be mounted to the circuit board (5), the key-top portion (3) being provided with a display section (2) displaying a switching function and an area emitter (4) integrally formed with the display section, wherein the area emitter member (4) is provided with a light emitting layer (13) disposed between a base electrode (14), and a transparent electrode (10) disposed so as to oppose to the base electrode (14) and the transparent electrode (10) arranged to be contacted to the display section (2) is formed of a transparent conductive polymer.
69 Portable keyboard US10136274 2002-05-02 US20030116418A1 2003-06-26 Wen-Kuan Lin
A portable keyboard consists of a pliable key body and a circuit body. The key body has a plurality of key caps which is embedded with an electric contact made from conductive rubber. The circuit body is embedded with a connection line made from conductive rubber. The keyboard thus constructed is highly pliable, and may be bent, folded or twisted without affecting the electronic characteristics of the keyboard.
70 Apparatus for operating a film camera US935017 1992-08-25 US5282040A 1994-01-25 Itzhak Sapir
Apparatus for operating a conventional film camera having a conventional film back and defining an image plane, in an electronic mode of operation including a video module insertable inside a camera in the place of a conventional film and forward of the conventional film back and comprising a detector array disposed in the image plane and electronic circuitry associated with the detector array for still video image acquisition.
71 Flexible keyboard for computers US816109 1992-01-02 US5220521A 1993-06-15 Dan Kikinis
A keyboard for a computer molded from a flexible material, and rollable into a cylinder for transport and storage. In a particular embodiment, the keyboard is assembled in two layers, one having molded dome structures for key, and the other sensors and flexible traces for converting keystrokes to electrical signals.
72 Electronic instrument keypad assembly with Z-axis oriented electrical interconnect US667450 1991-03-11 US5187647A 1993-02-16 Steven T. Kaneko
A keypad structure includes a stiff backing element and an elastomeric cover that have between them a first membrane on which is defined a shorting conductive layer, a second membrane on which is defined a main conductive layer, the second membrane on which the main conductive layer is defined as being adjacent the elastomeric cover rather than the stiff backing element as in the prior art. A third membrane provides spacing between the main and shorting conductive layers when the keypad is not compressed. An elastomeric interconnect can then be used to connect exposed contacts on the main conductive layer with other circuitry in an instrument utilizing the keypad.
73 Sheet membrane keyboard and electronic apparatus using same US784720 1985-10-07 US4736190A 1988-04-05 Charles M. Fiorella
The present invention is a simplified membrane keyboard employing a single flexible sheet. This membrane keyboard is employed in an electronic apparatus having an external case with a nonconducting keyboard surface. This nonconducting keyboard surface has a plurality of depressions corresponding to key switch positions. The keyboard surface is covered by a keyboard sheet. This keyboard sheet has a flexible membrane with opposed first and second surfaces, the first surface disposed adjacent to and substantially covering the keyboard surface of the external case. An interconnection pattern is placed upon the first surface of the flexible membrane. This interconnection pattern has a plurality of conductors and most particularly has a pair of conductors in proximity at each key switch position. Pressure applied to the second surface of the flexible membrane causes the flexible membrane to flex until the two conductors contact a conductive layer disposed in the bottom of the corresponding depression. This contact causes electrical conduction between the two conductors, thereby giving rise to a closed key operation. In a preferred embodiment graphic matter identifying the key areas of the flexible sheet, that is those areas overlying the depressions, is applied to the second surface of the flexible sheet. This invention is adapted for use in calculators, electronic learning aids, electronic games, small computer systems and other electronic apparatuses which employ keyboards.
74 Compact electronic device US757849 1985-07-22 US4680432A 1987-07-14 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.
75 Low cost electronic apparatus construction method US702755 1985-02-19 US4635354A 1987-01-13 Michael J. Chrobak; Doyle R. Evans
The present invention is a low cost electronic apparatus construction method which may be employed for hand held calculators, electronic learning aids and electronic games. This technique involves a simplification in the construction of the apparatus including reduction in the number of piece parts necessary for the assembly. The primary electrical circuit interconnection pattern of the electronic apparatus is printed upon a part of the case of the apparatus which must be nonconducting. This printed circuit pattern together with the construction of the back case includes connection portions for electrical connection to the major components of the apparatus which may include an integrated circuit, a display device and an electrical power source. The primary circuit pattern printed on the back case includes a plurality of interleaved comb key switch positions. The keyboard is constructed employing a plurality of keys aligned in registration with the key switch portions, each key having a shorting bar for causing electrical connection across the key switch portion when the key is depressed. The top case of the apparatus has an aperture for viewing the display device and a plurality of apertures for the keys. In an alternative embodiment, this top case also includes an aperture enabling light to shine on a photovoltaic power cell employed to generate the electric power needed to operate the apparatus.
76 Capacitance switch US377264 1982-05-11 US4373124A 1983-02-08 Norman J. Frame
A capacitance-type switch in which an integral capacitance spacer layer element extends over and is severally movable toward and away from separate contact elements of separate switches.
77 Capacitance switch US311915 1981-10-16 US4373122A 1983-02-08 Norman J. Frame
A capacitance switch in which a capacitance spacing element is bent around an end of a spacer centrally relieved for strain relief.
78 Electrical switch US240794 1981-03-05 US4368369A 1983-01-11 Masataka Matsumoto; Kouichi Nakajima
A pushbutton switch has a plurality of pushbuttons and corresponding switch contacts. The switch contacts are formed conductive patterns printed on an insulation plate or sheet and are in contact with a pressure conductive rubber sheet. The pressure conductive rubber sheet includes conductive powder and is rendered conductive when compressed by the pushbutton, so that the corresponding switch contacts are closed by the conductive rubber sheet. A plurality of pairs of switch contacts are connected to terminals which are arranged in an adjacent relation.
79 External operation device for electronic timepieces US20481 1979-03-14 US4259551A 1981-03-31 Akinobu Ohtani; Hideo Hatanaka; Motoyuki Saito
An external operation device for electronic timepieces having a switch unit made up of an array of a plurality of electric switches is inserted in an external member of a timepiece and said electric switches being electrically connected to an internal module.
80 Hermetically sealed keyboard type assembly with elastomeric electrical connecting link between switch and component modules US532541 1974-12-13 US3959610A 1976-05-25 John P. Finnegan; Bernard Gasparaitis
A housing having key portions of a resilient pad extending therethrough with a metal impregnated elastomer pad overlying the rear surface thereof, a sheet of insulating material having openings therethrough corresponding with the key portions and a plurality of contact areas on a printed circuit board overlying the insulating sheet and having a plurality of contacts on the rear surface thereof, a connecting link formed of a second sheet of insulating material having a plurality of areas of metal impregnated elastomeric material extending therethrough and corresponding in position with the contacts, a second PC board having a plurality of contacts in contact with the elastomeric areas of the connecting link and a frame compressing all of the components together to provide an electrical contact to the elastomeric material in the connecting link and complete a circuit between various contacts on the two printed circuit boards and provide a weather-tight multi-push button switch.
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