CN1296016C - 电动牙刷 - Google Patents

电动牙刷 Download PDF

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CN1296016C
CN1296016C CNB021540586A CN02154058A CN1296016C CN 1296016 C CN1296016 C CN 1296016C CN B021540586 A CNB021540586 A CN B021540586A CN 02154058 A CN02154058 A CN 02154058A CN 1296016 C CN1296016 C CN 1296016C
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electric toothbrush
brushhead portion
toothbrush
bristle
circular portion
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CN1491622A (zh
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L·A·布劳斯蒂恩
J·R·诺廷哈姆
J·奥舍
J·W·斯皮克
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Procter and Gamble Co
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    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B13/00Brushes with driven brush bodies or carriers
    • A46B13/02Brushes with driven brush bodies or carriers power-driven carriers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3436Rotation around the axis perpendicular to the plane defined by the bristle holder
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/24Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
    • A61C17/26Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00Features not otherwise provided for
    • A61C2204/002Features not otherwise provided for using batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/42Brushes
    • B29L2031/425Toothbrush

Abstract

一种电动牙刷包括:一具有一刷柄部分、一刷头部分和一个位于刷柄部分和刷头部分之间的细长中间部分的细长本体,该刷头部分包括静止和运动的刷毛,该刷头部分和中间部分的尺寸适于放入使用者口腔中,以便刷牙;一个放置在刷柄部分中的电机,该电机与运动的刷毛可操作的相连;其中所有所述运动的刷毛被放置在绕大致平行于运动的刷毛的轴线旋转或振动的一个运动部分中,所述静止刷毛被放置在所述刷头部分的静止部分中,所述静止部分邻接所述运动部分。该电动牙刷提供了一种具有可使使用者以上下方式刷牙的、传统的较大刷头部的电动牙刷,同时其成本低并可以较容易地进入使用者口腔后部对口腔进行清洁。

Description

电动牙刷
技术领域
该申请是于1998年9月提交的第09/163,621号申请的继续申请。
本发明涉及电动牙刷,更具体地说,涉及一种改进了的应用电池做电源的牙刷。
背景技术
使用电动牙刷刷牙的优点是已知的,并且牙刷的机械运动已经是目前革新和设计活动的主题。在最近的几年里,许多不同类型的电动牙刷已经进入了商业市场。然而,观察现有技术,可以看出其日益复杂、昂贵的趋势,并且可以看出形成牙刷刷毛和头部机械运动的非商业性的合理方式可更有效地清洁牙齿。
所述的商业市场已经被分成了不同价格的两个市场。在较高价格的市场中是一些较复杂的电动牙刷,它们的刷毛和刷头具有各种运动形式。而价格较低的市场提供非常简单的电动牙刷,它们只通过利用一个与电机轴相连的偏置重量进行振动,并且由于没有强有力的运动传递给牙刷的清洁表面,所以使用这种牙刷几乎不提供真正的额外清洁效果。在清洁牙齿的整个时间内振动也使手非常不舒服,而是作为一种障碍因素起作用。
很多电动牙刷已经发展了许多年。在U.S.专利第5,070,567、5,186,627、5,274,870、5,341,534、5,378,153和5,732,433中公开了这些已知的装置。本发明是要提供一种低成本的、有效的、具有适当的人体工程学的电动牙刷,其中该牙刷包括一个运动的圆形刷部分和一个静止的刷部分。此外,人们已经认为开发能够克服前述缺点并能提供较好和更优越的全面效果的一种新的、改进的电动牙刷是较理想的。
发明内容
本发明涉及一种电动牙刷。
更确切他说,该电动牙刷被用于个人卫生,即用于以机械运动的方式清洁牙齿和牙龈。
在第一实施例中,该电动牙刷包括一个细长本体部分,一个与细长本体部分的第一端相连的刷头部,一个与细长本体部分的第二端相连的刷柄,以及一个位于刷头和刷柄之间的倾斜轴。其中位于刷头部分和刷柄部分之间的中间部分具有比刷柄部分更小的横截面尺寸。
牙刷的头部包括一纵向轴线,一个圆形部分和一个静止部分及其上相对应的运动和静止的刷毛。其中至少一些静止的和运动的刷毛的端头被安置成一个大体平面的清洁面。圆形部分相对于与刷头纵轴线垂直的一个轴线旋转、回转、做螺旋形运转(gyrates)或往复运动,并被结合形成一种较大的牙刷头部。静止部分包括位于与圆形部分相对侧边的静止刷毛。运动部分被安置在刷头部分的第一端,该第一端邻近细长中间部分。圆形部分坚硬的刷毛在高度上稍低于静止的刷毛。这种特定的设置允许圆形部分包括坚硬的刷毛,该种刷毛有助于深度清洁和斑的去除,而静止部分的刷毛一般由软刷毛组成,因此不会损害牙龈。
刷头有一种传统的、使用者可以典型上下刷的方式刷牙的较大的头部,并且牙刷头部的电动圆形部分可更有效地进行清洁。牙刷头部的这种设计使其制造成本不再昂贵,并且使有效的电动旋转牙刷进入了大部分人可接收的价格范围内。
倾斜轴提供了一种还未应用在电动牙刷上的符合人体工程学的有益特征。这种倾斜的人体功率学的优点是已知的,它使牙刷可较容易地进入口腔的后部空间并仍然与牙齿表面接触。
细长的本体部分包括一个空腔部分,该牙刷还包括位于刷柄部分的细长本体部分空腔中的电机。该电机与牙刷头部的圆形部分连接,以便使头部上坚硬的刷毛旋转或做往复运动。电机有一个与细长本体部分的纵向轴线同轴的纵向轴,该轴可转动,也可往复运动。
该空腔部分还包括一个简化的齿轮组件。该齿轮组件包括一个蜗杆、两个步进齿轮(step gear)和一个轴。电动机与蜗轮相连,两步进齿轮与蜗杆啮合,并且两步进齿轮相互啮合。该齿轮组件传递足够的转矩、速度,并且电池使用寿命长。第一步进齿轮使第二匹配步进齿轮偏置于细长本体部分的纵向轴线,并且以理想的角度设置,因此轴本身仍然能够是直的,这样不通过柔性轴附加的摩擦力损失能量和转矩。该轴的第一端连接到偏置步进齿轮上,而轴的第二端连接到牙刷头部的圆形部分。
本体还包括一个运行该单元的开关。该开关包括一个启动键和一个金属接触部件。通过按下可同时压下金属接触部件的模制启动键并接通电路来手动地打开该开关,如一个传统的瞬时开关。在传统的连续开关中,通过一个斜面设计,压下和向前滑动启动键,可使开关连续操作。与模制的斜面结合起来的向前运动使启动键向下运动,压下金属接触部件,并接通电路。通过将这些功能结合在一个开关中,消费者能够在购买前试一试并了解该启动键的操作,并在一旦将其拿出包装后能够连续操作。
该电动牙刷还可以包括一个位于细长本体空腔部分中的电池。将一个可滑动的搭锁盖按下,然后将其推出手柄的一端即可暴露空腔部分。这样,可将电池插入,并可将盖子推到正确的位置来将其搭锁上。
在第二个实施例中,电动牙刷包括一个细长的本体部分,一个与细长的本体部分的第一端相接的牙刷头部,一个与细长本体部分的第二端相接的刷柄,以及一个位于刷头和刷柄之间的倾斜轴。
该刷头部包括一个纵向轴,一个圆形部分,一个静止部分,一个第一端和一个第二端。头部的第一端与细长本体部分的第一端相邻,并且头部的第二端位于其第一端的相对位置。静止部分位于头部的第一端。圆形部分位于头部的第二端。圆形部分相对于垂直刷头纵向轴线的一个轴线旋转、回转、做螺旋形转动或往复运动,并被结合形成一种较大牙刷头部。圆形部分位于刷头的端部有助于较容易地进入和清洁使用者口腔的后部。静止刷毛与圆形部分相邻。这种特定的设置使圆形部分包括有助于使用者在其口腔后部深度清洁并去除牙斑的硬刷毛,而静止的刷毛一般由柔软的刷毛组成,因此不会损伤牙龈。
本发明的一个优点在于该发明提供了一种具有可使使用者以上下方式刷牙的、传统的较大刷头部的电动牙刷。
本发明的另一个优点在于提供了一种对制造者来说简单的成本低的电动牙刷。
本发明的另一个优点在于提供了一种可以较容易地进入使用者口腔后部的具有倾斜轴的电动牙刷。
本发明的另一个优点在于提供了一种具有静止部分和旋转或回转或往复运动的圆形部分的电动牙刷。
本发明的另一个优点在于提供了一种具有位于牙刷头端部的旋转或上下运动的圆形部分,以便较容易地进入使用者口腔后部的电动牙刷。
本发明的另一个优点在于提供了一种具有允许瞬时和连续操作牙刷的开关的电动牙刷。
通过阅读和理解下面的详细描述,本领域的普通技术人员将更清楚地了解本发明的其它优点和有益效果。
附图说明
本发明在一定的部件和各部件的设置中采用了物理结构,下面将在说明书中参照附图的图示详细描述本发明的最佳实施例。
图1是根据本发明第一实施例的电动牙刷的透视图;
图2是图1电动牙刷的侧视图;
图3是图1电动牙刷的仰视图:
图4是图1电动牙刷的侧截面图;
图5是图1电动牙刷的分解透视图:
图6是图1电动牙刷放大的齿轮组件和电机的侧截面图;
图7是放大的图1电动牙刷头部的侧截面图;
图8是在包装盒子中的电动牙刷的前视图和侧视图;
图9是根据本发明第二实施例的电动牙刷的透视图;
图10是图9电动牙刷的侧视图;
图11是图9电动牙刷的仰视图。
具体实施方式
下面参照附图,这里的附图只起图示本发明优选实施例的作用,而没有限制作用,图1示出了一种根据本发明第一优选实施例的电动牙刷A。该电动牙刷能够用于个人的卫生,如刷牙和牙龈。
如图1所示,该电动牙刷包括细长本体部分10,该本体有一个第一端12和一个第二端14。一个头部16与第一端12相邻,刷柄18与其第二端14相邻。
刷头16有一个较典型的较大刷头,这样可使使用者以上下的传统方式刷自己的牙齿。如图2所示,头部16的长度,即尺寸“X”能够在大约0.75英寸——1.75英寸之间。刷头的厚度,即尺寸“Y”能够在大约0.25英寸——0.50英寸之间。头部16的设计使制造成本不再昂贵,并且将这种有效的、电动旋转的牙刷带入了大多数人可接受的价格范围内。
现在参照图3,头部16还包括一个纵向轴19,一个圆形部分或刷头20以及一个静止部分或刷头22。静止部分22位于圆形部分20相对两侧。圆形部分20位于刷头部16的中央。圆形部分20相对于基本上垂直头部16的纵向轴线19的一个轴线旋转、回转或做往复运动。圆形部分20可以旋转360°,或者以向后和向前的方式部分地旋转或往复运动。
圆形部分20包括硬刷毛24。静止部分22包括较刷毛26。硬刷毛24相对于软刷毛26稍微凹进一些。硬刷毛24有助于深度清洁和去除牙斑,而静止的软刷毛26较柔软,因此不会损伤牙龈。图2中示出的刷毛高度,即尺寸“Z”能够在大约0.25英寸——0.75英寸之间,所述运动刷毛和所述静止刷毛大体上互相平行,所述静止和运动刷毛设置在所述刷头部分的相同侧面上,且多簇静止刷毛从邻近于所述运动部分的位置处延伸到刷头部分的第二端,所述刷头部分具有壳体,所述运动部分设置在该壳体上。
再次参照图3,细长本体10还包括一个倾斜轴28,该轴位于头部16和刷柄18之间。该倾斜轴28提供了一种人体工程学的优点,该优点还未在电动牙刷上应用。对人体工程学来说这个角度是已知的,该角度可使牙刷较容易地进入人口腔的后部,并且仍然可以接触到牙齿的表面。
如图4和5所示,细长本体部分10还包括一个安装电机32的空腔部分30。电机32具有一个纵向轴34,该轴线与细长本体部分10的轴线重合。
为了给圆形部分20提供动力使其旋转和往复运动,电机32驱动蜗杆40和一对步进齿轮42、43。电机32与蜗杆40机械相连。步进齿轮42与步进齿轮43和蜗杆40机械相连。
如图4和6所示,第一步进齿轮42使匹配的第二步进齿轮43偏置于细长本体10的纵向轴36。
如图4、6和7所示,轴44的第一端与偏置步进齿轮43相连,而其第二端与圆形部分20相连。第二步进齿轮43以一个理想的角度放置,因此轴44本身仍然是直的,这样不会由于柔性轴所附加的摩擦力而损失能量和转矩。
参照附图5,电机32和齿轮40、42、43被安装在上部壳体46和下部壳体48中。
再次参照附图4,开关50为电动牙刷提供了一种控制操作,并且与电机32相接。开关50包括一个模制启动键52和一个金属接触部件54。通过将模制启动键52压下,以使该启动键压住金属接触部分54,并且部件54使电路接通来手动地启动开关50,并提供牙刷的瞬时操作。通过一种斜面设计,开关50也能够连续地操作,即向头部16滑动按键52可提供一种连续的操作。向前移动按键龈52,与金属接触部件54上模制的斜面58接触后使按键52向下移动,压住金属接触部件54并接通电路。此后,牙刷连续运行直至将按键52向刷柄18方向滑回到关的位置且按键52脱开金属接触部件54。
将这两个功能结合在一个开关50中,牙刷能够包装在如附图8所示的包装盒中,此时使用者能够隔着包装按下按键52,并在牙刷仍然装在包装内时看到牙刷的操作情况,而且一旦将牙刷拿出包装后能够连续地操作它。附图8图示了按键52的一种形式。应该清楚也能使用其他尺寸和形状的按键。
现在参照附图4和5,电池60被放在刷柄部分的细长本体部分10的空腔部分30中。电池60具有一个电池终端或接触片62。如附图4所示能够应用一节AA电池。
为了将电池60插入空腔部分30,将一个可滑动的搭锁盖64按下并将其滑出刷柄18的端部,以便暴露空腔部分30。将电池60插入,然后将盖子64滑回到空腔部并搭锁在原位置上。此时,电池60的终端与金属接触部件54接触。
如果需要,如附图4所示,低陷处或手握处70和72能够被模制在上、下壳体46、48上。低陷处70、72用于支持使用者的拇指和食指或者其他手指,以便较容易并更舒服地使用该电动牙刷。
本发明的第二最佳实施例图示在附图9中。
该电动牙刷包括一个细长的本体部分80,该本体有一个第一端82和一个第二端84。头部86与第一端82结合在一起,而刷柄88与第二端84结合在一起。
现在参照附图11,头部86还包括一个纵向轴线90,一个圆形部分或刷头100,一个静止部分或刷头102,一个第一端104以及一个第二端106。第一端104与细长本体部分80的第一端82相邻。第二端106位于第一端104的相对一端。圆形部分100位于头部86的第二端106。静止部分102位于与圆形部分100相邻的头部86的第一端104。圆形部分100相对于基本垂直刷头部86的纵向轴线90的一个轴线旋转、回转或做往复运动。圆形部分100可以旋转360。或者以向后和向前的方式部分旋转或做往复运动。运行部分100包括硬刷毛110。静止部分102包括软刷毛112。硬刷毛110可相对于软刷毛112稍微凹进一些。硬刷毛110有助于深度清洁和去除牙斑,而静止的软刷毛112较柔软,因此不会损伤牙龈。
参照附图10,细长本体部分80还包括一个倾斜轴120,一个上壳体122,以及一个下壳体124。倾斜轴120位于刷头86和刷柄88之间。倾斜轴120提供了一种人体工程学上的优点,此前该优点还未应用在电动牙刷上。
第二实施例的细长本体部分80还包括一个如附图4-7所示第一实施例那样的安装电机32的空腔30。电机32为圆形部分100的旋转或往复运动提供能量。该细长本体的内部80除了圆形部分100的位置之外与附图4-7所示一样。如上所述,圆形部分100位于刷头86的第二端106。第二最佳实施例也有如附图4和6所示的一个蜗杆40和一对步进齿轮42、43。电机32驱动蜗杆40和一对步进齿轮42、43。步进齿轮42使匹配的步进齿轮43相对于细长本体部分80的纵向轴线偏置。
如附图4、6和7所示,轴44的第一端与偏置步进齿轮43相连,而其第二端与圆形部分100相连。第二步进齿轮43以一个理想的角度放置,因此轴44仍然能够是直的,这样,不会通过柔性轴附加的磨擦力损失能量和转矩。
再次参照附图9,提供一个开关130来控制电动牙刷的操作并且该开关连接电机32。开关130包括一个模制的启动键132。通过按下模制键132,并使该键压住金属接触部件54以便接触电路来手动地启动开关130,按下该开关可提供牙刷的瞬时操作。开关130的操作与附图4、6的图示和第一最佳实施例的描述一致。通过一个斜面设计,开关130还提供一种连续操作,即向头部86滑动按键132来提供连续操作。在按键132向刷柄88滑动回到关的位置上并脱离金属接触部件54之煎,牙刷连续操作。
如图示第一实施例的附图4和5所示,第二最佳实施例还有一个位于细长本体部分80的具有电池终端或接触片62的空腔部分30中的电池60。为了将电池60插入空腔部分30,压下可滑动的搭锁盖134(如附图9-11所示),并将其滑出刷柄88的端头以便暴露空腔部分30。将电池60插入,然后将盖134滑回壳体并搭锁在原位置上。
如果需要,如附图9-11所示,能够将凸起的手握区域136模制在下面的壳体124上。凸起部分136用于支撑使用者的拇指和食指或其他手指,以便较容易和较舒服使用电动牙刷。凸起部分140也可以模制在搭锁盖134上,以便助于用拇指按住盖并将盖移出刷柄88。
第二实施例的牙刷也能够如附图8所示的第一最佳实施例那样包装在包装盒中,在这种情况下,消费者能够在仍有包装时隔着包装按下按键132并看到牙刷的操作情况,而一旦将牙刷拿出包装后能够连续地操作。
前面已经参照附图描述了本发明,显然,通过阅读和理解本说明书能够进行其他改进和替换。本发明是要包括所附权利要求或其等同物所述的范围内的全部改进和替换。

Claims (6)

1.一种电动牙刷,包括:
具有刷柄部分、刷头部分和位于刷柄部分和刷头部分之间的细长中间部分的细长本体,所述刷头部分具有纵向轴线,所述细长中间部分具有比刷柄部分小的截面尺寸,所述刷头部分具有位于离所述刷柄部分最远的位置处的第一端和邻近于所述细长中间部分并与第一端相对的第二端,所述刷头部分具有运动刷毛,所述运动刷毛设置在可振动的运动部分和从邻近运动部分的位置延伸到刷头部分第二端的静止部分上,其中所述运动部分设置在所述刷头部分的第一端处,所述静止部分具有排列成多簇的多个静止刷毛,其中所述刷头部分和所述细长中间部分的尺寸适于将其放置在使用者口中,以便刷牙;
放置在所述刷柄部分中的电机;和
从所述刷头部分的第二端延伸到多簇静止刷毛以外的轴,该轴可操作地连接到电机和所述运动部分上,以便使所述运动部分围绕与刷头部分的纵向轴线大致垂直的轴线振动。
2.如权利要求1所述的电动牙刷,其特征在于所述运动刷毛和所述静止刷毛大体上互相平行。
3.如权利要求1所述的电动牙刷,其特征在于所述运动部分是圆形的,所述运动刷毛在所述运动部分上延伸。
4.如权利要求1所述的电动牙刷,其特征在于所述静止和运动刷毛设置在所述刷头部分的相同侧面上。
5.如权利要求1所述的电动牙刷,其特征在于所述多簇静止刷毛从邻近于所述运动部分的位置处延伸到刷头部分的第二端。
6.如权利要求1所述的电动牙刷,其特征在于所述刷头部分具有壳体,所述运动部分设置在该壳体上。
CNB021540586A 1998-09-30 1999-09-30 电动牙刷 Expired - Fee Related CN1296016C (zh)

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ATE329548T1 (de) 2006-07-15
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US6000083A (en) 1999-12-14
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US6189693B1 (en) 2001-02-20
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CN1250175C (zh) 2006-04-12

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