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北京时间2017年11月18日，Kailh凯华公司针对近期扭簧发声的轴体技术（特指巧克力轴Choc Switch）专利抄袭发布官方声明，声明如下：
“近期我司发现签署专利被他人恶意非法抄袭、盗用、仿冒使用，甚至诽谤我司形象，相关侵权行为严重损害“凯华电子”的正当权益，并造成我司巨大的经济损失。我司已经成立专业的专利维权律师团队维护“凯华电子”的正当权益。具体声明如下：
东莞市凯华电子有限公司申请的开关发声结构，专利名称：一种产生按压声音的键盘开关，专利号：201621037804.X。该结构包括一基座与一盖子，该盖子盖合于基座上形成一容置腔体，该容置腔体中设置有一按压组件、一弹簧与一导通组件，该弹簧位于按压组件底部与基座之间，且该按压组件上端位于盖子上端，所述按压组件上设置有一按压块，所述基座上分别设置有一导引斜面与一弹性件，该弹性件的一端部位于按压块的正下方，且位于引导斜面的正上方，该按压块位于导引斜面侧边。本实用新型充分利用内部空间，能够在键盘开关尽量小的前提下，使键盘开关在按压过程中具有良好的触感，并使得在按压过程中能够产生声音，解决长期以来超薄键盘开关中由于空间限制无法像大键盘开关一样产生声音的问题，提升用户体验。
某司最近也公开了一种开关内产生按压声音的方法，我司律师团队审阅光晶体反射式的机械开关的专利文件（专利号201420138728.6）和对比该司专利说明，澄清“开关内产生按压声音的方法”不是该司发明的，该司发明专利的保护范围是“端子导通+扭簧发声的方法，而不是扭簧发声”的方法，该结构复杂，并不是行业内惯用的端子导通结构，而且不具有实质性特点和显着的进步，某司发表的所谓声明，严重混淆视听，误导广大同行业工作者，同时，光晶体反射式的机械开关的专利文件也佐证了“开关内产生按压声音的方法”并不是该司的专利，而是公知技术。
“凯华电子”所申请的专利技术与该司的专利根本区别是在基座上设置有导引斜面，固定了按键开关扭簧敲打壳体的位置，让按键开关在使用中手感更好，声音统一而清脆。
“凯华电子”致力于对产品的研发创新，该结构的引用，已经得到市场的广泛认可，绝对不能允许他人恶意非法抄袭、盗用和仿冒使用，也不能容忍他人私自将该专利技术据为己有和诋毁我司，一切的谬论都是站不住脚的，欢迎业内友商关注并且监督，以保行业公平公正健康的发展。如有发现被恶意侵犯我司合法权益，必以法律追究到底！如果因该项专利技术造成我司客户损失，我司也务必追究到底，业内合作伙伴可放心使用。"
英文版声明：
“Recently, our company found that our patent was illegally copied by others, this seriously embezzled, counterfeit, or even slander our image.Relevant infringement seriously jeopardized the legitimate rights and interests of "Kaihua Electronics".And cause our economic losses,In response to this ,We’ve set up a professional team of patent rights indemnification to defend the "Kaihua Electronics" legitimate rights and interests. Specific statement as follows:
KaiHua has the special vocal structure of this switch ,Patent name : A keyboard switch that generating a pressing sound,patent number:201621037804.X.This structure includes a base and a cover,The cover is covered on the base to form a receiving cavity,The cavity is consist of a pressing component, a spring and a conducting component.The spring is located between the bottom of the press assembly and the base, And the upper end of the pressing component is located at the upper end of the cover,there is a pressing block on the pressing component, a guiding slope and an elastic element on this base, One end of the elastic member is located directly under the pressing block, above the guide ramp.The pressing block is located on the side of the guiding bevel.The utility model makes full use of the interior space, it can make sure the switch pressing has a good contact feeling based on a even small switch ,And makes it possible to create a sound during pressing ,for a long time, ultra-thin keyboard switch can not make a sound like a large keyboard switch due to space constraints, this patent may help to solve this problem ,and improve the typing experience.
A company recently also disclosed a method of generating a push-in sound within a switch.Our lawyer team review the patent documents of optical crystal reflective mechanical switches (patent no. 201420138728.6) and compared with the patent description of this company ,Clarify that "the method of generating a press sound in a switch" is not invented by this company.The invention patent protecting scope is "terminal conduction + torsion spring producing sound ,not torsion spring producing sound”,The structure is complicated ,not the usual terminal conduction structure in this line ,And it does not have substantive characteristics and significant progress ,The so-called statement issued by this company , cause serious user confusion, misleading the majority of workers in the same industry , at the same time , the patent documentation of optical crystal-reflective mechanical switches also corroborates the "method of generating a push-in sound within a switch" is not a patent of the company ,It is a well known technique.
“Kaihua Electronics” applied patent technology and the fundamental difference between the patents is a guide ramp in the bottom case, it can fixed the position that key switch torsion spring hitting the shell, in order that the key switch can keep better hand feeling and crisp sound when customer use.
"Kaihua Electronics" is committed to product development and innovation, this structure has been widely recognized by the market, absolutely can’t allow others to malicious plagiarism, theft and counterfeit, also can’t tolerate the unauthorized use of the patented technology as their own and Slander our company, all fallacies are untenable and welcome related companion’s attention and supervision, in order to protect the fair and equitable development in the industry. If we found some malicious violations about our company legitimate rights and interests, we must take action by law. If this patented technology lead to customer’s loss, our company must also be held accountable in the end, industry partners can use safely.”
专利技术文件：
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发表于 2017-11-18 22:46:50
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发表于 2017-11-19 07:54:36
