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1. 发明专利

GB880199A Improvements in or relating to precision balances 未知
公开(公告)号：GB880199A
公开(公告)日：1961-10-18
申请号：GB2090359
申请日：1959-06-18
申请人： KARL STEFFES
IPC分类号： G01G7/04
摘要： 880,199. Weighing-apparatus. STEFFES,K. June 18, 1959 [June 28, 1958], No. 20903/59. Class 40 (1). [Also in Group XL (b)] A precision balance contains an auxiliary beam which is caused to follow the movement of the main beam by a closed-loop servo system, the deflection of the main beam being sensed by a magnetic coupling or by photoelectric means. In the Figure, the balance beam 1 carries the core 6 of a differential transformer whose primary 5a is energized from a current source 9. When the beam is deflected an output is obtained from the secondary 5b as a voltage whose phase sense depends on the direction of deflection of the beam. This voltage is amplified at 14, passed through a conventional " proportional-differential " anti-hunting network 15 and applied to a motor 11 to cause it to run in one direction or another according to the displacement of the beam. The motor rotates a shaft 19 through gearing 17 and also drives a digital indicator 22. The shaft drives a nut 20 which bears against an auxiliary beam 3 and thus moves the transformer secondary 5b to a new null position. Movement of this auxiliary beam can be used in known matter to provide a remote indication of the position of the balance beam. The digital indicator 22 is calibrated in tens and, for establishing the initial and terminal points of the deflection of the balance, contains a unit of ten or part thereof more than is required for the deflection. The differential transformer can be replaced by a light source on the beam co-operating with a pair of photo-cells. The apparatus can be used for tolerance weighings.

2. 发明专利

DE1157815B 未知
公开(公告)号：DE1157815B
公开(公告)日：1963-11-21
申请号：DES0064836
申请日：1959-09-09
申请人： KARL STEFFES DR
发明人： STEFFES DR KARL
IPC分类号： B01L3/02

3. 发明专利

DE1140745B 未知
公开(公告)号：DE1140745B
公开(公告)日：1962-12-06
申请号：DES0057976
申请日：1958-04-24
申请人： KARL STEFFES DR
发明人： STEFFES DR KARL
IPC分类号： B01L3/02

4. 发明授权

US6118668A Computer having an expansion card cage assembly 有权
标题翻译：具有扩展卡笼组件的计算机
公开(公告)号：US6118668A
公开(公告)日：2000-09-12
申请号：US129309
申请日：1998-08-05
申请人： Erica Scholder , Timothy Radloff , Karl Steffes , Stephen Cook
发明人： Erica Scholder , Timothy Radloff , Karl Steffes , Stephen Cook
IPC分类号： G06F1/18 , H05K7/14 , H05K5/00 , H01R13/62 , H05K7/10
CPC分类号： G06F1/185 , G06F1/184 , G06F1/186 , H05K7/1429 , H05K7/1435
摘要： A computer in which an expansion card cage assembly is mounted in the computer chassis. The expansion card cage assembly includes a wall extending parallel to the chassis wall, a riser card mounted relative to the wall of the cage assembly and having a connector adapted to engage the connector of the motherboard, and at least one expansion card connected to the riser card. A lever is provided on the cage assembly wall and is adapted to engage the chassis wall to quick-detachably connect the cage assembly to the chassis.
摘要翻译：一种计算机，其中扩展卡笼组件安装在计算机机箱中。扩展卡笼组件包括平行于底盘壁延伸的壁，相对于保持架组件的壁安装并具有适于接合主板连接器的连接器的转接卡，以及连接至提升板的至少一个扩展卡卡。杠杆设置在保持架组件壁上，并且适于接合底盘壁，以将保持架组件快速可拆卸地连接到底盘。

5. 发明授权

US6053586A Computer access panel having a biased cover latching mechanism and method 失效
标题翻译：具有偏置盖锁定机构和方法的计算机检修面板
公开(公告)号：US6053586A
公开(公告)日：2000-04-25
申请号：US957430
申请日：1997-10-24
申请人： Stephen Cook , John Jeffries , Karl Steffes
发明人： Stephen Cook , John Jeffries , Karl Steffes
IPC分类号： E05B65/00 , E05C9/02 , G06F1/18 , G06F1/20 , A47B47/00 , E05B65/46
CPC分类号： E05B65/006 , G06F1/181 , G06F1/20 , E05C9/02
摘要： A computer system includes a chassis having a biased slider device mounted thereon. The slider device includes a plurality of connectors positioned in openings in the chassis. When the slider is in a first position, the connectors are positioned in the openings. The slider is movable to a second position removing the connectors from the openings. A cover is releasably mounted on the chassis so that cover interlock members insert into the openings engaging the connectors in the first position and disengaging from the connectors in the second position.
摘要翻译：计算机系统包括具有安装在其上的偏置滑动装置的底盘。滑块装置包括定位在底盘中的开口中的多个连接器。当滑块处于第一位置时，连接器位于开口中。滑块可移动到第二位置，从开口移除连接器。盖可释放地安装在底盘上，使得盖互锁构件插入到在第一位置处接合连接器的开口中，并且在第二位置与连接器脱离啮合。

6. 发明授权

US06266239B1 Computer access panel having a biased cover latching mechanism and method 有权
标题翻译：具有偏置盖锁定机构和方法的计算机检修面板
公开(公告)号：US06266239B1
公开(公告)日：2001-07-24
申请号：US09545146
申请日：2000-04-07
申请人： Stephen Cook , John Jeffries , Karl Steffes
发明人： Stephen Cook , John Jeffries , Karl Steffes
IPC分类号： G06F116
CPC分类号： E05B65/006 , E05C9/02 , G06F1/181 , G06F1/20 , Y10T292/0997 , Y10T292/1023 , Y10T292/42
摘要： A computer system includes a chassis having a biased slider device mounted thereon. The slider device includes a plurality of connectors positioned in openings in the chassis. When the slider is in a first position, the connectors are positioned in the openings. The slider is movable to a second position removing the connectors from the openings. A cover is releasably mounted on the chassis so that cover interlock members insert into the openings engaging the connectors in the first position and disengaging from the connectors in the second position.
摘要翻译：计算机系统包括具有安装在其上的偏置滑动装置的底盘。滑块装置包括定位在底盘中的开口中的多个连接器。当滑块处于第一位置时，连接器位于开口中。滑块可移动到第二位置，从开口移除连接器。盖可释放地安装在底盘上，使得盖互锁构件插入到在第一位置处接合连接器的开口中，并且在第二位置与连接器脱离啮合。

7. 发明授权

US6157532A Computer system access panel having a biased cover latching mechanism 有权
标题翻译：具有偏置盖锁定机构的计算机系统检修面板
公开(公告)号：US6157532A
公开(公告)日：2000-12-05
申请号：US504270
申请日：2000-02-15
申请人： Stephen Cook , John Jeffries , Karl Steffes
发明人： Stephen Cook , John Jeffries , Karl Steffes
IPC分类号： E05B65/00 , E05C9/02 , G06F1/18 , G06F1/20 , H05K5/00 , H05K7/00
CPC分类号： E05B65/006 , G06F1/181 , G06F1/20 , E05C9/02
摘要： A computer system includes a chassis, a microprocessor mounted in the chassis, an input coupled to provide input to the microprocessor, a mass storage coupled to the microprocessor, a display coupled to the microprocessor by a video controller, and a memory coupled to provide storage to facilitate execution of computer programs by the microprocessor. The chassis includes an elongated channel guide having openings formed therein. A slider member is movably mounted within the guide on the chassis. The slider member has a plurality of connectors thereon which are movable therewith. The connectors are positioned in the openings in the guide in response to the slider member being in a first position. The connectors are removed from the openings in response to the slider member being in a second position and an engagement member on one end of the slider member engaged with a resilient release device attached to the chassis. A cover is mounted in the chassis. The cover has interlock members for insertion into the openings and engagement with the connectors in the first position and disengagement from the connectors in the second position.
摘要翻译：一种计算机系统，包括底盘，安装在底盘中的微处理器，连接到微处理器的输入端的输入端，耦合到微处理器的大容量存储器，由视频控制器耦合到微处理器的显示器以及耦合以提供存储器以便于微处理器执行计算机程序。底盘包括其中形成有开口的细长通道引导件。滑动构件可移动地安装在底盘上的引导件内。滑动构件具有可与其一起移动的多个连接器。响应于滑块构件处于第一位置，连接器定位在引导件中的开口中。响应于滑动构件处于第二位置，连接器从开口移除，并且滑动构件的一端上的接合构件与附接到底盘的弹性释放装置接合。一个盖子安装在机箱中。盖具有用于插入开口中的互锁构件，并且在第一位置与连接器接合，并且在第二位置脱离连接器。

8. 发明授权

US5438476A Apparatus for upgrading a personal computer 失效
标题翻译：用于升级个人计算机的装置
公开(公告)号：US5438476A
公开(公告)日：1995-08-01
申请号：US180176
申请日：1994-01-11
申请人： Karl Steffes
发明人： Karl Steffes
IPC分类号： G06F1/18 , H05K5/02 , A47B81/00 , G06F1/16 , H05K7/02
CPC分类号： G06F1/185 , G06F1/184 , G06F1/186 , G06F1/187 , Y10T29/49128 , Y10T29/49716 , Y10T29/49721 , Y10T29/4973 , Y10T29/49732
摘要： Using a relatively simple four piece conversion kit consisting of a replacement control bracket, and vertically enlarged top housing portion, drive bay and expansion card cage replacement structures, a relatively small frame personal desktop computer is converted to a larger frame computer having upgraded expansion card and drive installation capacities. The upgrading process is effected simply by removing the existing top housing portion, drive bay, expansion card cage and control panel bracket, installing the replacement drive bay, expansion card cage and control panel bracket on the existing bottom side portion of the computer, and then operatively connecting the vertically enlarged top housing portion to the existing housing base wall. Other than the four components of the conversion kit, all of the components in the original computer are reused in the resulting upgraded computer.
摘要翻译：使用比较简单的四件式转换套件，包括更换控制支架和垂直放大的顶部外壳部分，驱动器托架和扩展卡笼更换结构，相对较小的框架个人台式计算机将转换为具有升级扩展卡和驱动器安装能力。升级过程简单地通过拆卸现有的顶部外壳部分，驱动器托架，扩展卡笼和控制面板支架，在计算机的现有底部安装更换驱动器托架，扩展卡笼和控制面板支架，然后将垂直放大的顶部壳体部分可操作地连接到现有的壳体底壁。除了转换套件的四个组件之外，原始计算机中的所有组件都会在最终升级的计算机中重新使用。

9. 发明授权

US5831821A Computer having an expansion card cage assembly 失效
公开(公告)号：US5831821A
公开(公告)日：1998-11-03
申请号：US788668
申请日：1997-01-24
申请人： Erica Scholder , Timothy Radloff , Karl Steffes , Stephen Cook
发明人： Erica Scholder , Timothy Radloff , Karl Steffes , Stephen Cook
IPC分类号： G06F1/18 , H05K7/14 , G06F1/16 , H01R13/62 , H05K7/10
CPC分类号： G06F1/185 , G06F1/184 , G06F1/186 , H05K7/1429 , H05K7/1435
摘要： A computer in which an expansion card cage assembly is mounted in the computer chassis. The expansion card cage assembly includes a wall extending parallel to the chassis wall, a riser card mounted relative to the wall of the cage assembly and having a connector adapted to engage the connector of the motherboard, and at least one expansion card connected to the riser card. A lever is provided on the cage assembly wall and is adapted to engage the chassis wall to quick-detachably connect the cage assembly to the chassis.

10. 发明授权

US5457608A Adjustable printed circuit board mounting appartus 失效
标题翻译：可调印刷电路板安装附件
公开(公告)号：US5457608A
公开(公告)日：1995-10-10
申请号：US144457
申请日：1993-10-28
申请人： Erica Scholder , Karl Steffes , Robert Garrett
发明人： Erica Scholder , Karl Steffes , Robert Garrett
IPC分类号： H05K7/14 , H05K5/00
CPC分类号： H05K7/1417
摘要： A printed circuit board mounting apparatus for securing a printed circuit board within a chassis includes a track affixable to the chassis and a locking mechanism affixable to the printed circuit board. The track, which includes a plurality of locking points, is slidably received within the locking mechanism, which engages the track at any of the several locking points to secure the track within the locking mechanism. The mounting apparatus described herein enables the chassis to accommodate printed circuit boards of different sizes without mechanical modification of the chassis.
摘要翻译：用于将印刷电路板固定在底盘内的印刷电路板安装装置包括可固定到底盘的轨道以及可固定到印刷电路板的锁定机构。包括多个锁定点的轨道可滑动地容纳在锁定机构内，该锁定机构在几个锁定点中的任何一个处接合轨道，以将轨道固定在锁定机构内。这里描述的安装装置使得底盘能够容纳不同尺寸的印刷电路板，而不需要对机架进行机械修改。

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