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    Switching contact arrangement, in particular for keyboards and a keyboard
    1.
    发明授权
    Switching contact arrangement, in particular for keyboards and a keyboard 失效
    切换触点布置，特别是键盘和键盘

    公开(公告)号：US4575589A

    公开(公告)日：1986-03-11

    申请号：US627755

    申请日：1984-07-05

    Applicant: Horst Hoffmann

    Inventor： Horst Hoffmann

    IPC: H01H13/702 ,  H01H13/703 ,  H01H3/12

    CPC classification number: H01H13/702 ,  H01H13/703 ,  H01H2207/016 ,  H01H2211/034 ,  H01H2227/018

    Abstract: The switching contact arrangement contains a support or base (1), above it a layer of at least two tracks approaching each other at an angle, one of which comprises a switching contact surface (11). The other one (13, 13') is divided in the region of the switching contact surfaces (11) and their track sections, so that a space is formed there. An insulating layer is provided in the region of the track intersection to be formed. A layer (30) of electrically conductive material is then applied thereto, which has a recess in the region of the switching contact surfaces (11). This layer also serves as a bridge for the track intersection and as a switching contact surface for a switching surface (41 or 43) arranged thereabove and made of a flexible, electrically conductive material. In addition, the electrically conductive layer (30) serves as a spacer for the switching surface (41). A particularly compact switching contact arrangement is provided by integrating the switching contact surface and the bridge.

    Abstract translation: 切换触点装置包括支撑件或基座（1），在其上方具有一个至少两个轨道的层，其一个角度彼此靠近，其中一个包括开关接触表面（11）。 另一个（13,13'）被分割在开关接触表面（11）和它们的轨道部分的区域中，使得在那里形成空间。 在要形成的轨道交叉点的区域中设置绝缘层。 然后将导电材料层（30）施加到其上，在开关接触表面（11）的区域中具有凹部。 该层还用作轨道交叉点的桥，并且用作布置在其上方并由柔性导电材料制成的开关表面（41或43）的开关接触表面。 此外，导电层（30）用作切换面（41）的间隔件。 通过集成开关接触表面和桥接件提供了特别紧凑的开关触点布置。

    Multi-layer conductor plate and a method of making
    2.
    发明授权
    Multi-layer conductor plate and a method of making 失效
    多层导体板及其制造方法

    公开(公告)号：US4520228A

    公开(公告)日：1985-05-28

    申请号：US410983

    申请日：1982-08-24

    Applicant: Horst Hoffmann

    Inventor： Horst Hoffmann

    IPC: H05K3/46 ,  H05K1/09

    CPC classification number: H05K3/4685

    Abstract: A multi-layer conductor plate consists of a copper-clad base plate (1) on which a first layer of conductor paths (2,3,4; 5,6,7) is formed by applying an etch-resistant, electrically conductive varnish at the respective locations. The copper layers not covered by the etch-resistant varnish are removed by etching in etching bath. Subsequently an insulating varnish layer (16) is applied at least in the area of intersections of conductor paths of the first layer and a second layer. A varnish adapted to be galvanized and preferably being carbonaceous is applied at predetermined locations and subsequently coated with a metal layer applied galvanically.

    Abstract translation: 多层导体板由覆铜基板（1）组成，其上通过施加耐蚀刻的导电清漆形成第一层导体路径（2,3,4; 5,6,7） 在各个位置。 通过在蚀刻浴中的蚀刻除去未被耐蚀刻清漆覆盖的铜层。 随后，至少在第一层和第二层的导体路径的交叉区域中施加绝缘漆层（16）。 适用于镀锌且优选碳质的清漆在预定位置施加，随后涂覆有电镀金属层。

    Apparatus for treating printing plates
    3.
    发明授权
    Apparatus for treating printing plates 失效
    印版处理设备

    公开(公告)号：US4132235A

    公开(公告)日：1979-01-02

    申请号：US860871

    申请日：1977-12-15

    Applicant: Eckhard Koplin ,  Horst Hoffmann ,  Siegfried Raiff ,  Peter Richter ,  Helmut Kaufmann

    Inventor： Eckhard Koplin ,  Horst Hoffmann ,  Siegfried Raiff ,  Peter Richter ,  Helmut Kaufmann

    IPC: G03D5/04 ,  G03F7/30 ,  G03F7/40 ,  B08B3/02

    CPC classification number: G03F7/3085 ,  G03F7/40

    Abstract: An apparatus for treating photopolymer printing plates, which have already been exposed, with liquid media, in which the plate, mounted on a vertically movable holder, can be moved up and down between an upper loading and unloading chamber and a lower treatment chamber, separated from the upper chamber by a partially open partition, and in which upper and lower rim elements of the plate holder seal the aperture in the partition in a vapor-tight manner when the plate holder is in its terminal positions.

    Abstract translation: 用于处理已经暴露于其中的光聚合物印版的装置，其中液体介质，其中安装在可垂直移动的保持器上的板可以在上装载和卸载室与下处理室之间上下移动，分离 通过部分开放的隔板从上部腔室中，并且当板保持器处于其终端位置时，板保持器的上部和下部边缘元件以气密的方式密封隔板中的孔。

    Strain gauge
    6.
    发明授权
    Strain gauge 失效
    应变计

    公开(公告)号：US4884453A

    公开(公告)日：1989-12-05

    申请号：US222799

    申请日：1988-07-22

    Applicant: Horst Hoffmann ,  Peter Kersten ,  Hans Volz ,  Ulrich Seyfried

    Inventor： Horst Hoffmann ,  Peter Kersten ,  Hans Volz ,  Ulrich Seyfried

    IPC: G01B7/00 ,  G01B7/16 ,  G01B7/24 ,  G01L1/12 ,  G01L1/22

    CPC classification number: G01L1/2287 ,  G01B7/24 ,  G01L1/12 ,  G01L1/125

    Abstract: A strain gauge comprised of a premagnetized ferromagnetic film wherein any change in length of the film can be measured by employing the properties of magnetostriction and magnetoresistance. The strain gauge is deposited on a substrate by thin-film techniques and has a very high sensitivity. Preferably, two electrically insulated strips parallel strips of amorphous metal film have (in the absence of strain) respective directions of magnetization aligned antiparallel to one another and are connected electrically at one end. Such an arrangement facilitates the reversion of the magnetization back to its easy direction when the stress causing the strain is removed.

    Abstract translation: 应变仪由预磁化的铁磁膜组成，其中膜的长度的任何变化可以通过采用磁致伸缩和磁阻的性质来测量。 应变仪通过薄膜技术沉积在基板上，并具有非常高的灵敏度。 优选地，两个电绝缘条带非晶金属膜的平行条具有（在不存在应变的情况下）各自的磁化方向彼此反平行排列并且在一端电连接。 当去除引起应变的应力时，这种布置有助于磁化的回复回到其容易的方向。

    METHOD FOR THE BACKFLUSHING OF FILTERS
    8.
    发明申请
    METHOD FOR THE BACKFLUSHING OF FILTERS 有权
    过滤器反冲洗方法

    公开(公告)号：US20090020012A1

    公开(公告)日：2009-01-22

    申请号：US12128563

    申请日：2008-05-28

    Applicant: Wolfgang Holten ,  Arnold Kalka ,  Miroslav Podhorsky ,  Horst Hoffmann ,  Friedel Kordas

    Inventor： Wolfgang Holten ,  Arnold Kalka ,  Miroslav Podhorsky ,  Horst Hoffmann ,  Friedel Kordas

    IPC: B01D46/04

    CPC classification number: B01D46/04 ,  B01D46/0068

    Abstract: Air filters comprising thin-walled textile filter bodies have to be cleaned periodically. According to a method known to this purpose, the filtered material is loosened using pressure pulses in a flushing air flow. According to the invention, for generating the pressure pulses a plurality of small, quick-acting valves are in each case briefly opened, the opening moments being adapted to one another in such a way that partial pulses released thereby arrive simultaneously at the inlet of a flushing line common thereto.

    Abstract translation: 必须定期清洁包含薄壁织物过滤器主体的空气过滤器。 根据已知的方法，使用冲洗空气流中的压力脉冲来松开过滤材料。 根据本发明，为了产生压力脉冲，在每种情况下，多个小的快速作用的阀短暂地打开，打开力矩彼此适配，使得释放的部分脉冲同时到达一个 与其通用的冲洗线。

    Bonding plastics with water-based polyurethane primer
    10.
    发明授权
    Bonding plastics with water-based polyurethane primer 失效
    用水性聚氨酯底漆粘合塑料

    公开(公告)号：US5972158A

    公开(公告)日：1999-10-26

    申请号：US716261

    申请日：1996-10-15

    Applicant: Horst Hoffmann ,  Hans-Georg Kinzelmann ,  Hans-Peter Kohlstadt

    Inventor： Horst Hoffmann ,  Hans-Georg Kinzelmann ,  Hans-Peter Kohlstadt

    IPC: C08J5/12 ,  C08G18/08 ,  C08G18/12 ,  C08G18/76 ,  C08L75/04 ,  C09D175/00 ,  C09D175/06 ,  C09J5/02 ,  C09J175/00 ,  C09J175/06 ,  C08G18/42 ,  C08G18/74 ,  C09J5/06

    CPC classification number: C09J175/06 ,  C08G18/0804 ,  C08G18/12 ,  C08G18/765 ,  C09J5/02 ,  C08L75/04 ,  C09J2400/228 ,  C09J2475/00 ,  Y10T428/31551 ,  Y10T428/31554 ,  Y10T428/31573 ,  Y10T428/31576 ,  Y10T428/3158 ,  Y10T428/31587

    Abstract: A process of bonding a plastic is provided. The process comprises applying to a plastic surface an aqueous dispersion of a hydroxyl-functional polyurethane prepolymer obtained by:(1) reaction of:a polyol component containing a polyester polyol,a compound selected from the group of compounds containing groups capable of salt formation and at least two isocyanate-reactive groups,an isocyanate component in a stoichiometric excess, at least 20% by weight of said component consisting of tetramethyl xylylene diisocyanate, and(2) subsequent dispersion in water and at least partial reaction of the remaining NCO groups with an aminoalcohol and, optionally, subsequent chain extension. The process further comprises drying said applied aqueous dispersion to form a primer and bonding said plastic surface having said primer to a part to be joined thereto. The process is particularly useful for priming plastics such as polyvinyl chloride.

    Abstract translation: PCT No.PCT / EP95 / 00816 Sec。 371日期1996年10月15日 102（e）日期1996年10月15日PCT 1995年3月6日PCT公布。 公开号WO95 / 25138 日期1995年9月21日提供粘合塑料的工艺。 该方法包括向塑料表面施加羟基官能聚氨酯预聚物的水性分散体，其通过以下步骤获得：（1）反应：含有聚酯多元醇的多元醇组分，选自含有能形成盐的基团的化合物的化合物;以及 至少两个异氰酸酯反应性基团，化学计量过量的异氰酸酯组分，至少20重量％的所述组分由四甲基亚二甲苯基二异氰酸酯组成，和（2）随后在水中的分散和至少部分反应剩余的NCO基团与 氨基醇和任选的随后的链延伸。 该方法还包括干燥所述涂覆的水性分散体以形成底漆，并将具有所述底漆的所述塑料表面粘合到待连接的部分上。 该方法特别适用于起泡塑料如聚氯乙烯。

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