公开(公告)号：US3878688A

公开(公告)日：1975-04-22

申请号：US43143574

申请日：1974-01-07

申请人： LITTON SYSTEMS INC

发明人： PURVIS JOHN COLIN

IPC分类号： B63C5/04 ,  B63C1/00 ,  B63C1/10

CPC分类号： B63C5/04

摘要： A system for reeving bilge blocks mounted on tracks or guides in a dry-dock arrangement is described having an unique cable system allowing for the single, simultaneous power source driving of complemental bilge blocks toward a ship''s hull, away from a ship''s hull and in the same direction relative to each other.

摘要翻译： 描述了一种用于安装在干船坞布置的轨道或引导件上的舱底块的系统，其具有独特的缆索系统，允许单个同时的电源驱动互补的舱底朝向船体，远离船体，并且在 相同方向相对。

公开(公告)号：US3856403A

公开(公告)日：1974-12-24

申请号：US33968573

申请日：1973-03-09

申请人： LITTON SYSTEMS INC

发明人： MAUGHMER R ,  YAMAMOTO J

IPC分类号： G01P3/36 ,  G01S17/50

CPC分类号： G01S17/50 ,  G01P3/366

摘要： A laser velocimeter system for measuring the relative velocity between a carrier and a light scattering source illuminated by laser light. Light energy reflected from the laser illuminated scattering source is utilized to derive a signal indicative of the relative velocity. The reflected energy passes through a moving optical grating and is received by a light sensitive detector. The output signal of the detector is modulated by the effect of the grating moving across the speckle field of the reflected laser light, with the motion of the grating providing a velocity bias to the system.

摘要翻译： 一种用于测量由激光照射的载体和光散射源之间的相对速度的激光测速仪系统。 利用从激光照射的散射光反射的光能导出表示相对速度的信号。 反射能量通过移动的光栅并由光敏检测器接收。 检测器的输出信号通过光栅移动穿过反射激光的斑点场的影响来调制，光栅的运动为系统提供速度偏置。

公开(公告)号：US3852864A

公开(公告)日：1974-12-10

申请号：US43274874

申请日：1974-01-11

申请人： LITTON SYSTEMS INC

发明人： KIRK D

IPC分类号： H01R43/22 ,  B25B27/02

CPC分类号： H01R43/22 ,  Y10T29/53283 ,  Y10T29/53909

摘要： An improved removal tool is shown for removing contacts from an insulated housing in which the contacts are mounted to form an electrical connector. The ring-shaped tool is conveniently worn upon a finger of the user for freeing the wearer''s hands and thereby simplifying his or her task. The removal tool includes a shoulder that abuts the insulated housing to locate a tab with respect to the housing. The tab is then inserted to engage a contact latch and allow the removal of that contact.

摘要翻译： 示出了一种改进的移除工具，用于从绝缘壳体移除触点，其中触点被安装以形成电连接器。 环形工具方便地佩戴在使用者的手指上，以释放佩戴者的手，从而简化他或她的任务。 移除工具包括邻接绝缘壳体以相对于壳体定位突片的肩部。 然后将突片插入以接合触点闩锁并允许移除该触点。

公开(公告)号：US3852754A

公开(公告)日：1974-12-03

申请号：US18246171

申请日：1971-09-21

申请人： LITTON SYSTEMS INC

发明人： WORRELL E

IPC分类号： G01S3/48 ,  G01S5/02

CPC分类号： G01S3/48

摘要： A digital direction finder system for radio waves in which the individual bits of the code indicating direction are obtained by comparing and successively partially resolving errors in the digitized phase angle displacement indicated by plural pairs of antennas having progressively different spacing between the respective pairs. The spacing between the closest pair of antennas is more than one-half of the wavelength so that larger and higher gain antennas may be employed. The system may be operated over a wide range of frequencies where the highest frequency may be many times greater than the lowest frequency.

摘要翻译： 一种用于无线电波的数字取向器系统，其中通过比较并连续地部分地分辨由在各对之间具有逐渐不同的间隔的多对天线指示的数字化相位角位移中的误差而获得码指示方向的各个比特。 最近的一对天线之间的间隔大于波长的一半，因此可以采用更大和更高的增益天线。 该系统可以在宽频率范围内操作，其中最高频率可能比最低频率大许多倍。

公开(公告)号：US3843859A

公开(公告)日：1974-10-22

申请号：US38291073

申请日：1973-07-26

申请人： LITTON SYSTEMS INC

发明人： KLEMP E ,  CASSIBO V

IPC分类号： F24C15/04 ,  H05B6/76 ,  H05B9/06

CPC分类号： H05B6/763 ,  F24C15/04 ,  H05B6/766

摘要： A microwave cooking oven door assembly is disclosed in which the entire door assembly is made of a bonded laminar construction which is self-supporting and shatterproof. The door assembly comprises a relatively thin sheet of metal having an array of closely spaced perforations formed therein. The array of perforations functions as a viewing window to the inside of the oven cavity. In one embodiment, the sheet of metal is sandwiched between a pair of glass panels and bonded thereto by layers of adhesive material. In another embodiment, the metal sheet is positioned between a glass panel and a thin film of polycarbonate, and bonded thereto by layers of adhesive material. The layers of adhesive material can be either coextensive with the laminar sheets and panels, or they can extend only around the borders thereof. In both embodiments the laminated construction is subjected to thermal compression to enable the various layers to adhere to each other.

公开(公告)号：US3839647A

公开(公告)日：1974-10-01

申请号：US41395973

申请日：1973-11-08

申请人： LITTON SYSTEMS INC

发明人： SIMMONS D

IPC分类号： G06G7/28 ,  H03K17/00

CPC分类号： G06G7/28

摘要： The disclosed invention includes a transistor having a predetermined Beta characteristic, a first resistance means coupled between a first voltage source and the collector and a second resistance means connected between a second voltage source and the emitter and an operational amplifier having its input connected to the emitter and an output connected to the base of the transistor wherein a constant voltage is automatically maintained at the emitter. By varying the magnitude of one of the voltage sources, such as the first voltage source, while maintaining the other essentially constant the output voltage obtained at the collector remains at a constant level over a predetermined range of magnitudes of the input voltage source up to an input voltage denoted the ''''breakpoint voltage,'''' and for greater magnitudes of input voltage provides an output voltage which is directly proportional to the amount by which the input voltage exceeds such breakpoint voltage. And in a novel function generator circuit which employs a plurality of such nonlinear elements adjusted to different breakpoint voltage levels the operational amplifier output is connected in parallel to each of the base electrodes of the plurality of transistors and the output of each transistor is taken from the collector and summed together in a suitable summing network to provide the function generator output voltage. In another aspect of the function generator, a linear resistor network which forms a voltage divider is coupled to the source of variable voltage to provide an output that is directly proportional to the magnitude of the input source over the entire range; this output is summed together with the output of the nonlinear circuits to provide a more general output characteristic.

摘要翻译： 所公开的发明包括具有预定β特性的晶体管，耦合在第一电压源和集电极之间的第一电阻装置以及连接在第二电压源与发射极之间的第二电阻装置和运算放大器，其输入端连接到发射极 以及连接到晶体管的基极的输出，其中在发射极处自动保持恒定电压。 通过改变诸如第一电压源的电压源之一的大小，同时保持另一个基本上恒定，在集电极处获得的输出电压在输入电压源的大小的预定范围内保持恒定电平，直到达到 输入电压表示为“断点电压”，而对于较大幅度的输入电压则提供与输入电压超过这种断点电压的量成正比的输出电压。 并且在采用调整到不同断点电压电平的多个这样的非线性元件的新颖函数发生器电路中，运算放大器输出与多个晶体管的每个基极并联连接，每个晶体管的输出从 收集器并在一个合适的求和网络中求和，以提供函数发生器的输出电压。 在功能发生器的另一方面，形成分压器的线性电阻网络耦合到可变电压源，以提供与整个范围上的输入源的幅度成正比的输出; 该输出与非线性电路的输出相加，以提供更一般的输出特性。

公开(公告)号：US3824365A

公开(公告)日：1974-07-16

申请号：US31318872

申请日：1972-12-07

申请人： LITTON SYSTEMS INC

发明人： TAPPER W

IPC分类号： G04F3/06 ,  H05B6/68 ,  H05B9/06

CPC分类号： H05B6/68 ,  G04F3/06 ,  H05B6/688

摘要： A control circuit for a microwave oven is disclosed which functions to automatically control the running time of the microwave generator to enable it to run continuously, during its cooking cycle, or intermittently, during its defrosting cycle. The control circuit includes a timer control switch operatively coupled to a timer motor. The timer control switch functions to control the current flow from the source of electrical power to the microwave generator. The circuit also includes a defrost control switch which functions to cyclically open and close a series current path to the microwave generator. A bypass circuit is also provided across the defrost control switch to shortcircuit the defrost switch and provide a bypass current path to the microwave generator. A ''''cook-defrost'''' switch is provided to connect the circuit to the bypass circuit for the cooking mode, or to disconnect the bypass circuit to enable the current path to be governed by the defrost control switch for the defrosting mode. In one embodiment, the defrost control switch is coupled to a second timer motor which, in turn, is adapted to be cut into and out of the circuit by the ''''cook-defrost'''' switch. In a second embodiment, the defrost control switch is coupled to the first timer motor and is continuously operated thereby.

摘要翻译： 公开了一种用于微波炉的控制电路，其功能是自动控制微波发生器的运行时间，使其能够在其烹饪周期期间或在其除霜周期期间间歇地运行。 控制电路包括可操作地耦合到定时电机的定时器控制开关。 定时器控制开关用于控制从电源到微波发生器的电流。 电路还包括除霜控制开关，其用于循环地打开和闭合到微波发生器的串联电流路径。 在除霜控制开关之间还设有旁路电路，以使除霜开关短路，并向微波发生器提供旁路电流通路。 提供“烹饪除霜”开关，用于将电路连接到用于烹饪模式的旁路电路，或者断开旁路电路，使得电流路径由除霜控制开关控制用于解冻模式。 在一个实施例中，除霜控制开关耦合到第二定时器电动机，该定时器电动机又通过“烹饪除霜”开关切入和切出电路。 在第二实施例中，除霜控制开关连接到第一定时电机，并由此连续操作。

公开(公告)号：US3809815A

公开(公告)日：1974-05-07

申请号：US25022872

申请日：1972-05-04

申请人： LITTON SYSTEMS INC

发明人： REED J ,  DE LORENZO J

IPC分类号： H04J1/00 ,  H04Q11/02 ,  H04J1/06

CPC分类号： H04Q11/02

摘要： A switchable communications system utilizing frequency division multiplexing is shown for providing communication between a plurality of stations, each including a synthesizer and each operated from a single reference frequency. Each station is assigned a fixed home frequency at which it transmits information. When calling, the synthesizer within the calling station adjusts the transmit frequency of that station to correspond to the receive frequency of the called station, which automatically adjusts the receive frequency of the calling station to correspond to the transmit frequency of the called station. Full duplex transmission is thus permitted between any and all stations within the communications system through the utilization of a wide range acquisition synthesizer within each station.

摘要翻译： 示出了利用频分复用的可切换通信系统，用于提供多个站之间的通信，每个站包括合成器，并且每个站从单个参考频率操作。 每个电台被分配一个固定的家庭频率，在这个频率上它传输信息。 当呼叫时，呼叫台内的合成器根据被叫站的接收频率调整该台站的发射频率，自动调整呼叫台的接收频率，使其与被叫站的发射频率相对应。 因此，通过利用每个站内的宽范围采集合成器，可以在通信系统内的任何和所有站之间允许全双工传输。

公开(公告)号：US3787138A

公开(公告)日：1974-01-22

申请号：US3787138D

申请日：1972-08-23

申请人： LITTON SYSTEMS INC

发明人： VERNON J ,  LAMKINS D

IPC分类号： B23Q11/08 ,  B23B47/00

CPC分类号： B23Q11/08 ,  Y10T408/98

摘要： A spindle mounted personnel protector provides a barrier for a rotating drill chuck which prevents an operator''s hair or other objects from becoming entangled with such a rotating part, while permitting full view of the work. This includes a hollow elongated cylinder of transparent plastic material which fits over and ensleeves the drill chuck. The cylinder contains a groove in its outer surface proximate the upper end of the cylinder and such groove extends about the circumference of the cylinder. A set of three mounting brackets are evenly spaced about and are attached to the drill housing, a non-rotating element of a drill press. The brackets each extend to beneath the housing and each includes a radially inwardly projecting prong. The prongs engage the groove in the plastic cylinder to thereby support the cylinder in place. The plastic cylinder is easily removed by downwardly pulling upon an end of same, as would be done when it is desired to change drill bits, and is easily reinserted into place by simply pushing upward on the bottom end until the bracket prongs re-engage in the groove of the plastic cylinder.

摘要翻译： 主轴安装的人员保护器为旋转的钻卡头提供了一个屏障，防止操作人员的头发或其他物体与这种旋转部件缠结，同时允许完全看到工作。 这包括一个透明塑料材料的中空细长圆柱体，它装配在钻头卡盘上并与之相连。 气缸在其外表面中包含靠近气缸的上端的凹槽，并且该凹槽围绕气缸的圆周延伸。 一组三个安装支架均匀地间隔开并附接到钻机壳体，钻床的非旋转元件。 托架各自延伸到壳体的下方，并且每个包括径向向内突出的插脚。 叉头与塑料圆筒中的凹槽接合，从而将气缸支撑在适当位置。 通过向下拉动其塑料圆筒容易地移除塑料圆柱体，如期望改变钻头时所做的那样，可以通过向下拉动塑料圆柱体，并且通过简单地向下推动底座直到支架尖头重新接合，容易地重新插入到位 塑料圆筒的​​凹槽。

公开(公告)号：US3780252A

公开(公告)日：1973-12-18

申请号：US3780252D

申请日：1972-07-20

申请人： LITTON SYSTEMS INC

发明人： WYTHE CRAPUCHETTES P

IPC分类号： H03B9/10 ,  H05B6/68 ,  H05B9/06

CPC分类号： H05B6/666 ,  H03B9/10 ,  H05B6/687

摘要： A microwave oven power supply includes a synchronous switch and a phase control circuit. The switch is electrically connected in series with the supply lines which, until actuated, maintains normally open the path for current flow to the transformers and other electrical components found within the oven power supply. An On-Off switch and interlocks are in series with the power line and an electrical circuit completed through the phase control circuit inhibits the operation of the power circuit until it is desired to commence cooking operations. The phase control circuit determines the proper phase of the applied line voltage for which the synchronous switch should be initiated. By design, this phase control circuit is matched to the transformer characteristics and senses the magnitude of the applied line voltage so that initial conduction of the synchronous switch falls within a preselected range which has been determined to minimize transient voltage spikes and/or in-rush current transients. In this way, the initiation of current flow in the high voltage transformer and filament transformer and other oven elements is delayed until the sinusoidal voltages of the power line are in the phase relationship that I have determined to be proper.

摘要翻译： 微波炉电源包括同步开关和相位控制电路。 开关与电源线串联电连接，直到被致动，维持正常开启电流流向变压器和在烤箱电源内发现的其他电气部件的路径。 开关开关和互锁与电源线串联，并且通过相位控制电路完成的电路禁止电源电路的操作，直到期望开始烹饪操作。 相位控制电路确定应启动同步开关的施加线路电压的适当相位。 通过设计，该相位控制电路与变压器特性匹配并且感测施加的线路电压的幅度，使得同步开关的初始导通落在已经被确定为使瞬态电压尖峰和/或冲击最小化的预选范围内 电流瞬变。 以这种方式，高压变压器和灯丝变压器和其他炉子元件中的电流流动的启动被延迟，直到电力线的正弦电压处于我确定为正确的相位关系。