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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	Contact switch	JP2004245770	2004-08-25	JP4516804B2	2010-08-04	伸浩伊東

22	Keyboard	JP24668887	1987-09-30	JPS6489221A	1989-04-03	FUKUSHIMA MASAMI; IHARA KIYOMICHI
PURPOSE:To obtain a keyboard having any required pattern easily at low cost by integrally bonding a pushbutton member having a single standardized movable contact point to a printed circuit board so as to face a fixed contact point of said board. CONSTITUTION:A multiplicity of single standardized pushbutton members 1 are prepared and arranged on the peripheral part of a fixed contact point 4 on a printed circuit board 3 provided with a resist layer 6 excluding the fixed contact point portion 4. The pushbutton member 1 is bonded to the board 3 by applying adhesive 5 on the resist layer 6 on the board side of a root 2 or the periphery of the pushbutton member 1 by the solidification of the adhesive. This makes it possible to obtain a keyboard of any required pattern provided with a multiplicity of pushbuttons of a same shape reasonably at low cost.
23	Contact surface of switchgear	JP12140986	1986-05-28	JPS61284012A	1986-12-15	ROTAARU RUTOKOFUSUKII

24	Device having contact made from carbon tracks and method for producing them	JP2002213884	2002-07-23	JP2003178635A	2003-06-27	FARIZON HUBERT; GRIGNE JEAN-MICHEL
PROBLEM TO BE SOLVED: To provide a device to apply to producing of a key pad for a mobile telephone. SOLUTION: This device has a printed circuit board 10 and contacts made from carbon tracks. These carbon tracks 52, 44 are disposed on the printed circuit board 10 by means of insulating layer 54, 42 plated on the printed circuit board. COPYRIGHT: (C)2003,JPO
25	a circuit board	JP11545689	1989-09-28	JP2501702Y2	1996-06-19	茂中田; 聡吉本; 稔谷口; 昇高間

26	JPH0353871U -	JP11545689	1989-09-28	JPH0353871U	1991-05-24

27	Keyboard switch	JP24113287	1987-09-26	JPS6484527A	1989-03-29	INAMI TATSUO; HIROSE KAZUHIRO
PURPOSE:To secure the switching operation interval at a desired value accurately by providing a contact pattern on an insulating layer to cover wiring patterns including a cross jamper on a lower connecting base member. CONSTITUTION:Wiring patterns 6 connected by a cross jamper 8, and other wiring patterns 5 on a lower connecting base member 4 are, together with the jamper 8, covered with an insulating layer 7. On the insulating layer 7, a lower contact pattern 9 is furnished, and the switching operation interval between an upper contact pattern 2 and the pattern 9 is made smaller compared to the case of furnishing an insulating layer on the lower contact pattern, and the switching operation interval can be secured at a desired value accurately.
28	JPS61196420U -	JP8144285	1985-05-29	JPS61196420U	1986-12-08

29	막 스위치, 막 스위치의 제조방법 및 접점 스위치	KR1020050078064	2005-08-24	KR1020060050625A	2006-05-19	이토노부히로
감압(感壓) 스위치는 막 스위치 및 해당 막 스위치 상에 배치된 키 패드를 포함한다. 상기 막 스위치는 서로 대향해서 배치된 제1절연 시트 및 제2절연 시트를 포함한다. 상기 제1절연 시트의 하면과 상기 제2절연 시트의 상면에는, 제1전극과 분압저항을 포함하는 전기회로와, 그 전기회로를 보호하기 위한 레지스트 막이 형성되어 있다. 상기 레지스트 막에는 개구부(開口部)가 있어서 상기 절연시트의 하면으로부터 상기 분압저항을 노출시킨다.
30	탄소 트랙들로 만들어진 컨택트를 갖는 장치 및 그 생성방법	KR1020020043783	2002-07-25	KR1020030010526A	2003-02-05	파리존허버트; 그리그느장-미셀
PURPOSE: An apparatus having contacts composed of carbon tracks is provided to apply to producing of a key pad for a mobile telephone. CONSTITUTION: An apparatus comprises a printed circuit board(10) and contacts made from carbon tracks(44). The carbon tracks(44) are disposed on the printed circuit board(10) by means of an insulating layer(42) plated on the printed circuit board. At this time, an intermediate leveling layer is coated between the printed circuit board(10) and the insulating layer(42).
31	막 스위치, 막 스위치의 제조방법 및 접점 스위치	KR1020050078064	2005-08-24	KR100739907B1	2007-07-16	이토노부히로
감압(感壓) 스위치는 막 스위치 및 해당 막 스위치 상에 배치된 키 패드를 포함한다. 상기 막 스위치는 서로 대향해서 배치된 제1절연 시트 및 제2절연 시트를 포함한다. 상기 제1절연 시트의 하면과 상기 제2절연 시트의 상면에는, 제1전극과 분압저항을 포함하는 전기회로와, 그 전기회로를 보호하기 위한 레지스트 막이 형성되어 있다. 상기 레지스트 막에는 개구부(開口部)가 있어서 상기 절연시트의 하면으로부터 상기 분압저항을 노출시킨다.

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