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公开(公告)号：US06959598B2
公开(公告)日：2005-11-01
申请号：US10770595
申请日：2004-02-03
IPC分类号： G01F23/00 , G01F23/28 , G01F23/284
CPC分类号： G01F23/282 , G01F23/2845
摘要： A liquid level sensor for an appliance having a container in which liquid flows, and associated method. The sensor comprises a radio frequency oscillator and an antenna array connected to an input port of the oscillator. The antenna array comprises a longitudinal strip and a plurality of conductive fingers extending therefrom. The antenna array is mounted on the appliance in the proximity of the container such that each finger corresponds to a respective level in the container. The sensor includes an output port interconnected with the radio frequency oscillator and outputting a frequency step indicative of the container level to which liquid has reached.
摘要翻译： 一种用于具有液体流动的容器的器具的液位传感器及其相关方法。 传感器包括射频振荡器和连接到振荡器的输入端口的天线阵列。 天线阵列包括纵向条和从其延伸的多个导电指状物。 天线阵列在容器附近安装在器具上，使得每个手指对应于容器中的相应水平面。 传感器包括与射频振荡器互连的输出端口，并输出表示液体到达的容器水平的频率步长。
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公开(公告)号：US5995128A
公开(公告)日：1999-11-30
申请号：US282494
申请日：1999-03-31
申请人： Vincent C. Adams , David L. Poole , David A. West , Davis S. Zubriski , Daniel F. Donato , James W. Ensinger , William J. Hamman
发明人： Vincent C. Adams , David L. Poole , David A. West , Davis S. Zubriski , Daniel F. Donato , James W. Ensinger , William J. Hamman
IPC分类号： B41J2/355 , B41J2/365 , B41J3/407 , B41J17/02 , B41J17/24 , B41J17/42 , B41J25/304 , B41J25/316 , B41J29/02 , B41J29/38 , B65C11/02 , B41J33/52
CPC分类号： B41J2/355 , B41J17/02 , B41J17/24 , B41J17/42 , B41J2/365 , B41J25/304 , B41J25/316 , B41J29/02 , B41J29/38 , B41J3/407 , B65C11/0289 , B65C2210/0027 , B65C2210/0029
摘要： A novel demand printer is used for printing on tickets, tags, pressure sensitive labels and other media. The printer has a spring wrap clutch assembly operatively associated with a media delivery structure for use with a rotating shaft to maintain a constant tension on a ribbon. The spring wrap clutch assembly includes a coiled spring having a leg extending away from one end of the coil, a collar having a bore therein for receiving the coiled spring with the leg extending away from the collar, the rotating shaft extending through the coiled spring and the collar is attachable to the rotating shaft, and a plurality of ramped teeth positioned around the rotating shaft. Each of the ramped teeth has a sloped surface and the leg of the coiled spring controllably engages the ramped teeth.
摘要翻译： 一种新颖的需求打印机用于打印票据，标签，压敏标签和其他介质。 打印机具有与介质输送结构可操作地相关联的弹簧卷绕离合器组件，用于与旋转轴一起使用以在带上保持恒定的张力。 弹簧圈离合器组件包括螺旋弹簧，该螺旋弹簧具有远离线圈的一端延伸的腿部，其中具有用于容纳螺旋弹簧的孔的轴环，其中腿部远离轴环延伸，旋转轴延伸穿过螺旋弹簧， 所述套环可附接到所述旋转轴，以及围绕所述旋转轴定位的多个斜齿。 每个倾斜的齿具有倾斜的表面，并且螺旋弹簧的腿可控制地接合斜齿。
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3.发明授权Luminance clipper with color subcarrier filter to prevent clipping of subcarrier 失效带有彩色副载波滤波器的亮度限幅器，以防止子载波的削波
公开(公告)号：US4628348A
公开(公告)日：1986-12-09
申请号：US718682
申请日：1985-04-02
申请人： James W. Ensinger
发明人： James W. Ensinger
CPC分类号： H04N9/77
摘要： A baseband color video signal processor includes a selective transistor clipper for holding luminance components to a maximum level. The base of the transistor is operated at a first voltage below the desired maximum level. A tuned circuit, tuned to the frequency of the chrominance subcarrier, is connected in its emitter-collector path of the transistor for isolating it from chrominance components in the color video signal.
摘要翻译： 基带彩色视频信号处理器包括用于将亮度分量保持在最大电平的选择性晶体管限幅器。 晶体管的基极在低于所需最大电平的第一电压下工作。 调谐到色度副载波频率的调谐电路连接在晶体管的发射极 - 集电极路径中，用于将其与彩色视频信号中的色度分量隔离。
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公开(公告)号：US4460922A
公开(公告)日：1984-07-17
申请号：US322481
申请日：1981-11-18
CPC分类号： H04N7/1675
摘要： A subscription television system includes means broadcasting a scrambled television signal encoded with p-bit program and subscriber authorization codes and m-bit memory write and read codes. Each subscriber is provided with a decoder having (2.sup.m) p-bit memory locations, the decoder being operable for storing a broadcast p-bit subscriber authorization code in a memory location defined by the broadcast m-bit memory write code for updating the decode authorization status of the subscriber and being operable for comparing a broadcast program code with a subscriber authorization code stored in a memory location defined by the broadcast m-bit memory read code for developing a decode authorization signal to effect unscrambling of the broadcast television signal.
摘要翻译： 订阅电视系统包括广播由p位程序编码的加扰电视信号和用户授权码以及m位存储器写入和读取代码的装置。 每个用户被提供有具有（2m）个p位存储器位置的解码器，该解码器可操作用于将广播p位用户授权码存储在由广播m位存储器写代码定义的存储器位置中，用于更新解码授权 用户的状态并且可操作用于将广播节目代码与存储在由广播m位存储器读码定义的存储器位置中的用户授权码进行比较，以用于开发解码授权信号以实现广播电视信号的解扰频。
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5.发明授权Heating unit and control system for cooktops having capability to detect presence of a pan and methods of operating same 失效具有能够检测锅的存在的锅炉的加热单元和控制系统及其操作方法公开(公告)号：US06492627B1
公开(公告)日：2002-12-10
申请号：US09915897
申请日：2001-07-26
IPC分类号： H05B102
CPC分类号： H05B3/746 , H05B2213/05
摘要： The present invention provides a control system for a heating unit in a cooktop that is capable of detecting the presence (or absence) of a cooking pan or utensil. The heating unit has a spirally wound ribbon heater element and may be mounted below a glass-ceramic cooking surface. The control system includes a pan detection unit electrically connected to the heater element. The pan detection unit generates a high frequency signal through the heater element to determine whether a pan is present on the cooktop. The pan detection unit may have an oscillation circuit to generate the high frequency signal through the heater element. In one embodiment, the control system further includes at least one switch device that is connected between the heater element and a power source. The switch device is opened to remove the heater element from the power source when the pan detection unit generates the high frequency signal through the heater element. The present invention also includes a heating unit having dual heater units to determine the size of the pan placed on the cooktop. The present invention further includes methods of operating a heater unit and control system having the capability of detecting the presence of a pan.
摘要翻译： 本发明提供了一种能够检测烹饪盘或器具的存在（或不存在）的炉灶中的加热单元的控制系统。 加热单元具有螺旋缠绕的带状加热器元件，并且可以安装在玻璃陶瓷烹饪表面下方。 控制系统包括电连接到加热器元件的摇摄检测单元。 平移检测单元通过加热器元件产生高频信号，以确定灶具上是否存在锅。 平移检测单元可以具有通过加热器元件产生高频信号的振荡电路。 在一个实施例中，控制系统还包括连接在加热器元件和电源之间的至少一个开关装置。 当锅检测单元通过加热器元件产生高频信号时，打开开关装置以从电源移除加热器元件。 本发明还包括具有双重加热器单元的加热单元，以确定放置在炉灶面上的锅的尺寸。 本发明还包括操作具有检测锅的存在能力的加热器单元和控制系统的方法。
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公开(公告)号：US06057870A
公开(公告)日：2000-05-02
申请号：US283459
申请日：1999-04-01
申请人： Dan E. Monnier , David L. Poole , David A. West , Daniel F. Donato , James W. Ensinger , William J. Hamman , Kenneth V. Naegele
发明人： Dan E. Monnier , David L. Poole , David A. West , Daniel F. Donato , James W. Ensinger , William J. Hamman , Kenneth V. Naegele
IPC分类号： B41J2/325 , B41J2/32 , B41J2/35 , B41J2/355 , B41J2/36 , B41J2/365 , B41J3/36 , B41J5/30 , B41J15/16 , B41J17/02 , B41J17/24 , B41J17/32 , B41J17/42 , B41J25/304 , B41J25/316 , B41J29/00 , B41J29/02 , B41J29/13 , B41J29/38 , B41J29/46 , B41J33/14 , B41J33/16 , B41J33/22 , B41J33/34 , B65C11/02 , B65H18/00 , B65H19/12 , B65H75/22 , G07B1/00
CPC分类号： B41J2/325 , B41J17/02 , B41J17/24 , B41J17/42 , B41J2/355 , B41J2/365 , B41J25/304 , B41J25/316 , B41J29/02 , B41J29/38 , B65C11/0289 , B65C2210/0027 , B65C2210/0029 , Y10T16/525 , Y10T16/5257
摘要： A demand printer has an input structure for receiving command signals related to the operation of the printer; a control circuit coupled to the input structure, and a power supply circuit for processing command signals and generating corresponding control signals for controlling the operation of the printer. A switch circuit line is coupled to at least a first and a second point on the power supply circuit. The switch circuit line provides a first operating voltage for the operation of the printer when connected between the first and second points in the power supply circuit and provides a second operating voltage when the connection between said first and second points is opened by a severing structure. The severing structure projects into a base cavity of the case and is retained therein for maintaining an open circuit between the first and second points on the power supply circuit once said switch circuit line is severed. The severing structure includes a wall of the base cavity which has an control aperture extending therethrough, a severing body having a head end and a severing end wherein the severing end projecting through the control aperture and contacting and severing the switch circuit line; a retaining segment on the severing body operatively associated with the case when the severing body is inserted through the control aperture for retaining the severing body in contact with the switch circuit line to maintain an open circuit between the first and second points.
摘要翻译： 需求打印机具有用于接收与打印机的操作有关的命令信号的输入结构; 耦合到输入结构的控制电路，以及用于处理命令信号并产生用于控制打印机的操作的相应控制信号的电源电路。 开关电路线耦合到电源电路上的至少第一和第二点。 当连接在电源电路中的第一和第二点之间时，开关电路线提供用于打印机操作的第一工作电压，并且当所述第一和第二点之间的连接被切断结构打开时，提供第二工作电压。 一旦所述开关电路线断开，切断结构突出到壳体的基腔中并保持在其中，以保持电源电路上的第一和第二点之间的开路。 切断结构包括具有延伸穿过其中的控制孔的基腔的壁，具有头端和切断端的切断体，其中切断端突出通过控制孔并接触和切断开关电路线; 当所述切断体插入所述控制孔时，所述切断体上的保持段与所述壳体可操作地相关联，用于保持所述切断体与所述开关电路线接触，以保持所述第一和第二点之间的开路。
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公开(公告)号：US6020906A
公开(公告)日：2000-02-01
申请号：US288131
申请日：1999-04-07
申请人： Vincent C. Adams , Jeffrey R. Kaufman , Dan E. Monnier , Michael K. Platt , David L. Poole , David A. West , David S. Zubriski , Thomas P. Zwier , Daniel F. Donato , James W. Ensinger , William J. Hamman , Kenneth V. Naegele
发明人： Vincent C. Adams , Jeffrey R. Kaufman , Dan E. Monnier , Michael K. Platt , David L. Poole , David A. West , David S. Zubriski , Thomas P. Zwier , Daniel F. Donato , James W. Ensinger , William J. Hamman , Kenneth V. Naegele
IPC分类号： B41J2/325 , B41J2/32 , B41J2/35 , B41J2/355 , B41J2/36 , B41J2/365 , B41J3/36 , B41J5/30 , B41J15/16 , B41J17/02 , B41J17/24 , B41J17/32 , B41J17/42 , B41J25/304 , B41J25/316 , B41J29/00 , B41J29/02 , B41J29/13 , B41J29/38 , B41J29/46 , B41J33/14 , B41J33/16 , B41J33/22 , B41J33/34 , B65C11/02 , B65H18/00 , B65H19/12 , B65H75/22 , G07B1/00
CPC分类号： B41J2/325 , B41J17/02 , B41J17/24 , B41J17/42 , B41J2/355 , B41J2/365 , B41J25/304 , B41J25/316 , B41J29/02 , B41J29/38 , B65C11/0289 , B65C2210/0027 , B65C2210/0029 , Y10T16/525 , Y10T16/5257
摘要： A demand printer for printing on media includes a ribbon take-up spindle for accumulating spent printing ribbon and facilitating removal of the spent ribbon from the spindle. The spindle has a surface with a protrusion bore formed therethrough. At least one protruding segment extends through the protrusion bore. The protruding segment controllably projects away from the spindle surface for maintaining a space between a portion of the spindle surface and the spent ribbon accumulated on the spindle. A biasing structure is operatively associated with the spindle and the protruding segment for controllably biasedly directing the protruding segment through the protrusion bore in the spindle. A retracting structure is provided for controllably compressing and expanding the biasing means to controllably move the protruding segment through the protrusion bore.
摘要翻译： 用于在介质上打印的需求打印机包括用于累积废打印色带的色带收卷轴，并且便于从主轴移除废色带。 主轴具有由其形成的突出孔的表面。 至少一个突出段延伸穿过突出孔。 突出部分可控制地远离主轴表面突出，以保持主轴表面的一部分与累积在主轴上的废带之间的空间。 偏置结构与主轴和突出部分可操作地相关联，用于可控地偏置地将突出部分引导通过主轴中的突出孔。 提供了一种缩回结构，用于可控制地压缩和膨胀偏置装置，以可控制地将突出部分移动通过突出孔。
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公开(公告)号：US5923101A
公开(公告)日：1999-07-13
申请号：US825869
申请日：1997-04-02
IPC分类号： G06F3/02 , G06F3/042 , H03K17/955 , H03K17/96 , G01V3/08
CPC分类号： H03K17/962 , H03K17/955 , H03K2017/9602 , H03K2217/960775 , Y10T307/766
摘要： A non-contact switch movs from an off position to an on position when a lossy material enters a sensitive area of the switch. The non-contact switch comprises a transmitting element and a sensing element. The transmitting element is capable of radiating a signal. A portion of the signal passes through the sensitive area of the switch. The sensing element is capable of receiving the signal. When the received signal is less than a predetermined level, the received signal represents the lossy material entering the sensitive area of the switch.
摘要翻译： 当有损耗材料进入开关的敏感区域时，非接触开关从断开位置移动到打开位置。 非接触开关包括发射元件和感测元件。 发射元件能够辐射信号。 信号的一部分通过开关的敏感区域。 感测元件能够接收信号。 当接收信号小于预定电平时，接收到的信号表示进入开关敏感区域的有损耗材料。
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公开(公告)号：US4408225A
公开(公告)日：1983-10-04
申请号：US280722
申请日：1981-07-06
CPC分类号： H04N7/1713
摘要： A decoder is responsive to a decode authorization signal for unscrambling a broadcast RF television signal having randomly suppressed horizontal blanking and synchronization pulses. The decoder comprises a tuner having a gated automatic gain control circuit and a video detector responsive thereto for developing a baseband video signal corresponding to the broadcast television signal. The decoder further comprises a sync restoration circuit developing a standard horizontal synchronization pulse in response to each suppressed horizontal blanking pulse of the baseband video signal, the standard horizontal synchronization pulses being continuously combined with the baseband video signal for operating the automatic gain control circuit and being coupled for unscrambling the baseband video signal only in response to the decode authorization signal.
摘要翻译： 解码器响应于解码授权信号来解扰随机抑制的水平消隐和同步脉冲的广播RF电视信号。 解码器包括具有门控自动增益控制电路的调谐器和响应于此的视频检测器，用于开发对应于广播电视信号的基带视频信号。 解码器还包括响应于基带视频信号的每个抑制的水平消隐脉冲开发标准水平同步脉冲的同步恢复电路，标准水平同步脉冲与用于操作自动增益控制电路的基带视频信号连续组合，并且 用于仅响应于解码授权信号来解扰基带视频信号。
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公开(公告)号：US5872585A
公开(公告)日：1999-02-16
申请号：US789950
申请日：1997-01-27
IPC分类号： B41J2/325 , B41J2/32 , B41J2/35 , B41J2/355 , B41J2/36 , B41J2/365 , B41J3/36 , B41J5/30 , B41J15/16 , B41J17/02 , B41J17/24 , B41J17/32 , B41J17/42 , B41J25/304 , B41J25/316 , B41J29/00 , B41J29/02 , B41J29/13 , B41J29/38 , B41J29/46 , B41J33/14 , B41J33/16 , B41J33/22 , B41J33/34 , B65C11/02 , B65H18/00 , B65H19/12 , B65H75/22 , G07B1/00 , B41J11/42 , B41J11/46
CPC分类号： B41J2/325 , B41J17/02 , B41J17/24 , B41J17/42 , B41J2/355 , B41J2/365 , B41J25/304 , B41J25/316 , B41J29/02 , B41J29/38 , B65C11/0289 , B65C2210/0027 , B65C2210/0029 , Y10T16/525 , Y10T16/5257
摘要： A thermal demand printer for printing on media is a novel system which includes a case structure including a hinged cover panel, easily removable guide structures and media hanger, and a single central support wall to which the various components are attached. The printer includes a power supply circuit for receiving power from an external source and conditioning it for operation of the printer. An input device is provided for receiving command signals related to the operation of the printer. A control circuit for processing the command signals and generating corresponding control signals for controlling the operation of the printer and a printhead assembly for processing the control signals and generating corresponding control signals for controlling the operation of the printer are mounted in the case structure and coupled to the input device and the power supply circuit. The printhead assembly includes a printhead support structure which controls the printhead. A ribbon take-up spindle, method of operating the take-up spindle using a PMDC motor, and a spring wrap clutch device help to control the tension in the transfer ribbon used in the printer. The printer also includes a medial sensor and a method of sensing media by way of detecting the opacity of the media passing through the sensor. The printer includes a method of printhead control using double data loading and a method of accelerating and decelerating media relative to the printhead using pulse width modulation.
摘要翻译： 用于在介质上打印的热需求打印机是一种新颖的系统，其包括壳体结构，其包括铰接盖板，易于拆卸的导向结构和介质悬挂器，以及单个中心支撑壁，各个部件附接到该中心支撑壁。 打印机包括用于从外部源接收电力并对其进行调理以用于打印机的操作的电源电路。 提供输入装置用于接收与打印机的操作有关的命令信号。 用于处理命令信号并产生用于控制打印机的操作的相应控制信号的控制电路和用于处理控制信号并产生用于控制打印机操作的相应控制信号的打印头组件安装在壳体结构中并耦合到 输入设备和电源电路。 打印头组件包括一个控制打印头的打印头支撑结构。 带状卷取轴，使用PMDC电机操作卷取轴的方法以及弹簧卷绕离合器装置有助于控制打印机中使用的转印带中的张力。 打印机还包括内侧传感器和通过检测通过传感器的介质的不透明度来感测介质的方法。 打印机包括使用双重数据加载的打印头控制方法和使用脉冲宽度调制相对于打印头加速和减速介质的方法。
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