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    • 2. 发明授权
    • Chassis for electronic circuitry
    • 电子电路机箱
    • US4503484A
    • 1985-03-05
    • US546209
    • 1983-10-28
    • Edwin C. Moxon
    • Edwin C. Moxon
    • H05K7/14H05K1/14
    • H05K7/1425H05K7/1441
    • A chassis for electronic circuit modules is disclosed in which a support frame is fabricated from two flat side panels spaced apart by four rods. The rods may be of variable length to accomodate various chassis widths. Each electronic circuit module is comprised of the printed circuit board or boards on which the circuit components, including switches, indicator lights and connectors are mounted, a front panel with cutouts for the lights or switches and a back panel with cutouts for the connectors. The front panel and the back panel are mounted perpendicularly on the ends of the printed circuit boards with the lights and connectors protruding through at appropriate locations. Each of the printed circuit boards has four slots which engage the four rods so that, when the modules are placed in the frame and the rods are in place, the modules are rigidly locked together to form a unit. The package is completed by removable top and bottom panels which are held by clips onto the rods. Power and ground and data signals are conveyed between the modules by means of an internal cable which connects the modules in parallel so that only connections with external circuitry need be made through the back panel connectors.
    • 公开了一种用于电子电路模块的底盘,其中由两个由四个杆隔开的平坦侧面板制造支撑框架。 杆可以具有不同的长度以适应各种底盘宽度。 每个电子电路模块由其上安装有开关,指示灯和连接器的电路部件,具有用于灯或开关的切口的前面板和具有用于连接器的切口的后面板的印刷电路板或板组成。 前面板和后面板垂直安装在印刷电路板的端部,灯和连接器在适当的位置突出。 每个印刷电路板具有接合四个杆的四个槽,使得当模块放置在框架中并且杆处于适当位置时,模块被刚性地锁定在一起以形成单元。 包装由可移动的顶部和底部面板完成,夹子夹在杆上。 电源和接地和数据信号通过内部电缆在模块之间传输,内部电缆并联连接模块,因此只需要通过后面板连接器连接外部电路。
    • 3. 发明授权
    • Apparatus for decoding video address code signals
    • 视频地址码信号解码装置
    • US4639792A
    • 1987-01-27
    • US729652
    • 1985-05-02
    • Edwin C. Moxon
    • Edwin C. Moxon
    • G11B20/18G11B27/30H04N5/782
    • G11B20/1813G11B27/3054G11B2220/90
    • Apparatus for decoding digitally-coded address signals embedded in video signals recorded on magnetic tape is disclosed. The apparatus can properly decode the address signals at both slow and fast tape speeds and utilizes a variable-frequency oscillator to generate timing signals for decoding the digitally-coded address. The address signals encoded on the magnetic tape normally include an error code which can be detected by conventional error checking circuitry and used to check whether the address signals have been correctly received. The oscillator frequency is adjusted in accordance with an error signal generated by the error checking circuitry until error-free detection of the address signals is achieved.
    • 公开了一种用于解码嵌入在记录在磁带上的视频信号中的数字编码地址信号的装置。 该装置可以以慢速和快速的磁带速度适当地解码地址信号,并利用可变频率振荡器产生用于解码数字编码地址的定时信号。 编码在磁带上的地址信号通常包括可由常规错误检查电路检测并用于检查地址信号是否被正确接收的错误代码。 根据由错误检查电路产生的误差信号调整振荡器频率,直到达到地址信号的无差错检测。
    • 6. 发明授权
    • Method and device for distinguishing material by thermal conductivity
    • 通过导热性区分材料的方法和装置
    • US4344315A
    • 1982-08-17
    • US213560
    • 1980-12-05
    • Edwin C. MoxonWilson P. Menashi
    • Edwin C. MoxonWilson P. Menashi
    • G01N25/18G01N33/38G01N27/18
    • G01N25/18G01N33/381
    • Natural diamonds can be distinguished from simulated diamonds in seconds by merely touching a hand held probe to the gems. The tip of the probe includes a rounded gem contacting head of high thermal conductivity and low thermal mass. The head is preferably of gold-coated copper. It is supported on a high thermal resistivity neck extending from a large spring biased thermal mass. The head supports a thermistor heater element and a thermistor temperature sensing element within an annular space. Pulses of power are cyclically applied to the heater element to produce a predetermined amount of heat flow from the probe through the sample gem. The resulting change in temperature of the contacting head is determined by sensing the change in resistance of the sensing thermistor and weighting that change by the sensed thermistor resistance. The weighting function is carried out by a gain-controlled amplifier. The change-in-temperature signal controls a meter and LEDs which indicate whether the gem is natural or simulated.
    • 天然钻石可以在几秒钟内与模拟钻石区分开,只需将手指探针接触到宝石。 探针的尖端包括具有高导热性和低热质量的圆形宝石接触头。 头部最好是镀金铜。 它支撑在从大的弹簧偏置热质量扩展的高耐热性颈部上。 头部在环形空间内支撑热敏电阻加热器元件和热敏电阻温度感测元件。 功率脉冲被周期性地施加到加热器元件以产生从探针通过样品宝石的预定量的热流。 通过感测感测热敏电阻的电阻变化并通过感测的热敏电阻电阻对该变化加权来确定接触头的温度变化。 加权功能由增益控制放大器进行。 温度变化信号控制仪表和LED,指示宝石是自然还是模拟。