| 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 | Switch unit, and method of electrically connecting an electromagnetic wave shielding member with a grounding terminal in a switch unit | EP03000276.0 | 2003-01-08 | EP1329920B1 | 2005-03-30 | Kamitani, Tatsuo; Koizumi, Hirofumi |
| 62 | A keyboard arrangement and method for identifying a pressed key | EP97660098.1 | 1997-09-12 | EP0834993A3 | 1998-09-30 | Ala-Lehtimäki, Timo; Niemitalo, Paavo |
In a keyboard arrangement and method for identifying a pressed key according to the present invention, conductor lines (4', 6') at each key (B), which may be connected together, are connected to a ground plane (24, 23, 27) as a response to a pressing (P) of a key. The pressed key (B) is identified by detecting the conductor lines that are connected to the ground plane. All the conductor lines may be connected as pulled-up inputs of a detector circuit, and any conductor line or combination of conductor lines may be used to identify a key. A noticeably greater number of keys may be simply identified with the same number of conductor lines than is possible in a solution according to the prior art. In an advantageous embodiment of the present invention, the means for connecting the conductor lines (4', 5', 6', 7') to the ground plane (27) is a conductive plate (23), which essentially covers the whole keyboard. This also provides a good shield against electrostatic discharges and other interference. |
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| 63 | Keyboard structure for reducing electromagnetic interference | EP96119396.8 | 1996-12-04 | EP0779715A2 | 1997-06-18 | Siitari, Kimmo; Haapakoski, Hannu |
The invention relates to a keyboard structure (13) which is particularly suited to film keyboards and where EMC protection can be realized by structural means, with fewer auxiliary components than in the prior art. A metal bubble (7), which is the switching member of the keys, is permanently coupled to ground, so that it establishes an ESD protection. The row and column conductors (3a - 4d) are coupled to voltage dividers (11, 12), so that a given row and a given column correspond to a given pair of analog voltage values (V14, V16). Each pair of values unambiguously corresponds to a certain key. The analog voltage values are converted to digital form in the A/D converters (19, 20) provided in the microprocessor (8) or in a connected auxiliary circuit, such as a bus buffer. |
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| 64 | PLANAR CONTACT ARRAY SWITCH HAVING IMPROVED GROUND PATH FOR DISSIPATING ELECTROSTATIC DISCHARGES | EP84901292.0 | 1984-03-02 | EP0145721A1 | 1985-06-26 | HOLLAND, John, P. |
| Un commutateur amélioré à réseau de contact plan, présentant une susceptibilité réduite aux décharges électrostatiques, comprend une plaque de circuit imprimé (18) portant au moins une paire de fuilles de contact de commutateur (20). Pris en sandwich entre la plaque de circuit imprimé et une couche d'isolation se trouve un disque en forme de dôme (80) qui, lorsqu'il est comprimé, complète un circuit électrique entre la paire de feuilles de contact de commutateur. Une feuille de mise à la terre (45) borde la périphérie de la plaque de circuit imprimé de manière à délimiter la zone occupée par chaque paire de feuilles de contact de commutateur, cette feuille de mise à la terre (45) étant pourvue avantageusement d'au moins une feuille (50) conductrice de charge et s'étendant vers l'intérieur en longeant chaque paire de feuilles de contact de commutateur (20) de manière à conduire toute décharge électrostatique qui pénètre la couche à l'intérieur de la zone bordée par la feuille de mise à la terre (45). Pour faciliter la conduction de décharges électrostatiques à la feuille de mise à la terre périmétrale au travers de la feuille conductrice de charge, un éclateur (61) est disposé entre chaque paire de feuilles de contact de commutateur et la feuille conductrice de charge, de sorte qu'une décharge électrostatique peut sauter l'éclateur et être conduite via la feuille conductrice de charge sur le plan de mise à la terre vers la terre du circuit. | ||||||
| 65 | switch | JP2003380885 | 2003-11-11 | JP4333332B2 | 2009-09-16 | 保 山本; 達也 津田; 健司 西村 |
| 66 | Keyboard | JP2006066441 | 2006-03-10 | JP2007241887A | 2007-09-20 | YANAGI MASAHIRO; KURASHIMA SHIGEMI; IWATA HIDEKI; YUZUBA YOSHITSUGU; KANEKO MASAHIRO; SEGAWA YURIKO; ARITA TAKASHI |
| PROBLEM TO BE SOLVED: To realize a keyboard, capable of transmitting large capacity information at high speed, being hard to produce fading, and having high reliability of communication. SOLUTION: A keyboard 10 includes a base member 11 and a top plate member 12, and further, a membrane switch 20, a membrane switch support plate 60, and a keyboard circuit module 40 are incorporated in a space inside a keyboard main body 13 formed by the combination of the above base member 11 and the top plate member 12. On the circumference edge of the membrane switch 20, four UWB plane antennas 21-24 are formed integrally with the membrane switch 30, which are disposed in a distributed manner. COPYRIGHT: (C)2007,JPO&INPIT | ||||||
| 67 | Switch | JP2003380885 | 2003-11-11 | JP2005149738A | 2005-06-09 | NISHIMURA KENJI; YAMAMOTO TAMOTSU; TSUDA TATSUYA |
| PROBLEM TO BE SOLVED: To provide a switch capable of preventing static electricity inflowing from the outside from influencing a switch contact part, in relation to a switch having the switch contact part housed in a recessed part of a case made of an insulation resin with the recessed part covered with a metallic cover. SOLUTION: Since this switch is composed by integrally arranging an insulating coating film 23 on the undersurface of the cover 21 covering the switch contact part housed in the case 1, static electricity inflowing to the cover 21 is prevented from jumping to the switch contact part, and a circuit part of an apparatus connected to the switch contact part can be protected. COPYRIGHT: (C)2005,JPO&NCIPI | ||||||
| 68 | Keyboard device and method for identifying pressed key | JP27155497 | 1997-10-03 | JPH10161790A | 1998-06-19 | ALA-LEHTIMAEKI TIMO; NIEMITALO PAAVO |
| PROBLEM TO BE SOLVED: To provide a keyboard device with which a pressed key can be easily detected. SOLUTION: Concerning the keyboard device and method for identifying pressed key, lead wires 4' and 6' mutually connectable at the position of respective keys B are connected to ground planes 24, 23 and 27 as a response to key pressing action P. The pressed key B is identified by detecting the lead wire connected to the ground plane. All the lead wires are connected as the pull-up inputs of detector and the key is identified even by using any lead wire or any combination of lead wires. As a connecting means for connecting lead wires 4', 5', 6' and 7', a conductive board 23 spread over the almost entire keyboard is provided. COPYRIGHT: (C)1998,JPO | ||||||
| 69 | Circuit board and keyboard device using same | JP14509596 | 1996-05-15 | JPH09305278A | 1997-11-28 | SHIGA SADAICHI; HATANO NAOYUKI |
| PROBLEM TO BE SOLVED: To suppress the radiation of radiant noise generated between wiring patterns formed on the circuit pattern to outside the circuit board and a keyboard device by forming a ground pattern between wiring patterns. SOLUTION: This device consists of wiring patterns 31 led out of solder lands 8 and 9, output terminal parts formed at one-end sides of the wiring patterns 31, an integrated circuit for control which is connected to the solder lands 8 and 9, and the ground pattern 30 for holding an earth potential. Then the ground pattern is formed between the wiring patterns 31. Consequently, the wiring patterns 31 led out of the solder lands 8 and 9 have capacity connections with the ground pattern 30 arranged between the wiring patterns 31, and high frequency noise mixed with signals flowing through the wiring patterns 31 is made to flow to the ground pattern 30 by the capacitive connections. Consequently, the high-frequency noise mixed with the signals can be reduced. COPYRIGHT: (C)1997,JPO | ||||||
| 70 | JPH041750Y2 - | JP12277086 | 1986-08-07 | JPH041750Y2 | 1992-01-21 | |
| 71 | JPS6329995U - | JP12277086 | 1986-08-07 | JPS6329995U | 1988-02-27 | |
| 72 | COMPACT INPUT DEVICE | PCT/US2008075212 | 2008-09-04 | WO2009032898A3 | 2009-09-17 | ROTHKOPF FLETCHER; MOOLSINTONG JAN; FISHER JOSEPH; SANDER WENDELL; KOCALAR ERTURK |
| Compact input devices formed on flexible substrates are disclosed. The input devices may be formed using three or more conducting layers. By including three or more conducting layers, the diameter of the input device may be minimized. In addition, to improve the flexibility of portions of the input device mounted, some portions of the input device may be made to have fewer layers than other portions of the input device. | ||||||
| 73 | 紧凑输入装置 | CN200820137095.1 | 2008-09-04 | CN201315050Y | 2009-09-23 | 弗莱彻尔·罗斯可普; 简·穆斯通; 约瑟夫·费希尔; 温德尔·桑德; 俄图克·科克莱尔 |
| 本实用新型公开了一种在柔性衬底上形成的紧凑输入装置。所述输入装置可以使用三个或者更多个导电层形成。通过包括三个或者更多个导电层，可以最小化所述输入装置的直径。另外，为改善安装的所述输入装置的部分的柔性，所述输入装置的一些部分可以比输入装置的其他部分具有更少的层。 | ||||||
