Hermetic seal and method
    41.
    发明授权
    Hermetic seal and method 失效
    密封和方法

    公开(公告)号:US3884007A

    公开(公告)日:1975-05-20

    申请号:US48120674

    申请日:1974-06-20

    Applicant: RCA CORP

    CPC classification number: C03C27/044 G02B7/007 H01J5/26 Y10T156/10

    Abstract: An annular metal flange portion of a member is concentrically arranged with respect to a glass cylindrical member and is reliably sealed to a side wall surface of the glass member by a hermetic sealing glass formed within an accumulation cavity between the metal and glass member. A compressive member is provided within the cavity for applying a compressive force during assembly against glass sealant material, and sealing glass formed therefrom, disposed within the cavity. A compressive force is applied to the compressive member during a heating operation of the sealing method for removal of liquid carriers of the glass sealant material and for hermetically sealing glass particles of that material. Compensation for shrinkage of the glass sealant material, and the sealing glass formed therefrom, during that heating operation is thereby provided. Also, the formation of bubbles and voids within the glass sealant material, and the sealing glass formed therefrom, is substantially avoided.

    Abstract translation: 构件的环形金属凸缘部分相对于玻璃圆柱形构件同心地布置,并且通过形成在金属和玻璃构件之间的堆积腔内的气密密封玻璃可靠地密封到玻璃构件的侧壁表面。 在空腔内设有压缩构件,用于在玻璃密封材料组装过程中施加压缩力,并将密封由其形成的玻璃密封在空腔内。 在用于去除玻璃密封剂材料的液体载体的密封方法的加热操作期间以及用于密封该材料的玻璃颗粒的压缩构件施加压缩力。 从而提供了在该加热操作期间玻璃密封剂材料的收缩和由其形成的密封玻璃的补偿。 此外,基本上避免了玻璃密封剂材料内的气泡和空隙的形成以及由其形成的密封玻璃。

    Efficiency light emitting diode
    42.
    发明授权
    Efficiency light emitting diode 失效
    效率发光二极管

    公开(公告)号:US3883888A

    公开(公告)日:1975-05-13

    申请号:US41475773

    申请日:1973-11-12

    Applicant: RCA CORP

    CPC classification number: H01L33/24 H01S5/10 H01S5/106 H01S2301/18

    Abstract: A single crystalline body of three conductivity regions. The center conductivity region forms junctions with the other two regions that diverge from each other as the junctions extend toward the emitting surface of the light emitting diode. The divergent junction structure improves the waveguiding of the generated light toward the emitting edge.

    Abstract translation: 三个导电区域的单晶体。 中心导电区域随着接头向发光二极管的发射表面延伸而与彼此分开的另外两个区域形成结。 发散结结构改善了所产生的光向发射边缘的波导。

    Dynamic convergence circuit
    44.
    发明授权
    Dynamic convergence circuit 失效
    动态收敛电路

    公开(公告)号:US3882350A

    公开(公告)日:1975-05-06

    申请号:US40108973

    申请日:1973-09-26

    Applicant: RCA CORP

    Inventor: HALL CYRIL JOHN

    CPC classification number: H04N9/28

    Abstract: A dynamic convergence circuit includes a source of waveforms at a first frequency coupled to a waveshaping network for producing a predetermined current wave through a convergence coil. A modulating stage including an active current conducting device is coupled to the convergence coil in a direct current manner. An input electrode of the active current conducting device is coupled to a source of second frequency waveforms which control the conduction of the device for selectively loading the convergence coil and modulating the first frequency convergence coil current at the second waveform frequency. The active current conducting device may be coupled to the convergence coil by means of a unidirectional current conducting device such that only portions of the convergence coil current of one polarity are modulated.

    Abstract translation: 动态会聚电路包括耦合到波形网络的第一频率的波形源,用于通过会聚线圈产生预定的电流波。 包括有源电流传导装置的调制级以直流方式耦合到会聚线圈。 有源电流传导器件的输入电极耦合到第二频率波形源,该第二频率波形控制器件的导通,用于选择性地加载会聚线圈,并以第二波形频率调制第一频率会聚线圈电流。 有源电流传导器件可以通过单向电流传导器件耦合到会聚线圈,使得只有一个极性的会聚线圈电流的一部分被调制。

    Optical beam scanning system
    45.
    发明授权
    Optical beam scanning system 失效
    光束扫描系统

    公开(公告)号:US3882273A

    公开(公告)日:1975-05-06

    申请号:US40917773

    申请日:1973-10-24

    Applicant: RCA CORP

    Inventor: KNOX JOSEPH DALE

    CPC classification number: G02F1/33

    Abstract: A system for scanning a laser beam at television rates includes an acousto-optic Bragg-angle deflector for horizontal scanning, and a rotatable galvanometer mirror for vertical scanning. The optical path includes spherical and cylindrical lenses in an arrangement that utilizes inexpensive lenses, provides high resolution, and is physically compact.

    Abstract translation: 用于以电视速率扫描激光束的系统包括用于水平扫描的声光布拉格角偏转器和用于垂直扫描的可旋转电流计反射镜。 该光学路径包括球形和柱面透镜,其采用便宜的透镜,提供高分辨率并且物理紧凑。

    Process of producing double-sided holographic replicas
    46.
    发明授权
    Process of producing double-sided holographic replicas 失效
    生产双面全息复印的过程

    公开(公告)号:US3882207A

    公开(公告)日:1975-05-06

    申请号:US40754573

    申请日:1973-10-18

    Applicant: RCA CORP

    Abstract: A double-sided, holographic replica comprises a web of transparent, thermoplastic, sheet material having a separate series of off-axis-recorded, phase-modulated holograms pressed into each of the opposite surfaces, respectively, of the web. Oppositely disposed (front and rear) holograms are such as to provide angularly displaced reconstructed images, respectively, when a monochromatic read-out beam is transmitted through the web. The double-sided holographic replica is made by first pressing the web and a first holographic master between a first pair of heated calender rollers to form one replica on one surface of the web, and then pressing the web, while thermoplastically adhered to the first master, and a second holographic master between a second pair of heated calender rollers to form another replica on the other surface of the web. The first and second masters are subsequently cooled and separated from the web.

    Abstract translation: 双面全息复印件包括透明的,热塑性的片材材料,其具有分别压入幅材的每个相对表面的单独的一系列离轴记录的相位调制全息图。 当单色读出光束通过幅材传输时,相对设置(前后)全息图分别提供角位移重构图像。 双面全息复制品通过首先在第一对加热的压光辊之间压制幅材和第一全息图母版,在幅材的一个表面上形成一个复制品,然后压制幅材,同时热塑性粘附到第一母版 以及在第二对加热的压光辊之间的第二全息图母版,以在幅材的另一表面上形成另一个复制品。 随后将第一和第二主体冷却并与网分离。

    Rotary stylus cleaner
    47.
    发明授权
    Rotary stylus cleaner 失效
    旋转式触针清洁器

    公开(公告)号:US3881734A

    公开(公告)日:1975-05-06

    申请号:US43796374

    申请日:1974-01-30

    Applicant: RCA CORP

    CPC classification number: G11B3/5881 G11B3/56

    Abstract: In a playback system employing a stylus to recover recorded signals from a video disc when relative motion between the disc and the stylus is established, a rotary stylus cleaner is provided. A freely pivoted, light stylus-arm carrying the stylus is mounted in a housing employed for movement of the stylus between a rest position and a play position. A rotary brush having an axis of rotation perpendicular to the longitudinal axis of the stylus-arm, is located in the path of movement of the stylus between the rest position and the play position. A friction wheel mounted on the axle carrying the rotatable brush, engages the turntable and causes rotation of the brush as the stylus threads through the brush during its travel between the rest position and the play position. A comb having its teeth in engagement with the bristles of the brush is secured to the board for the purpose of cleaning the brush.

    Abstract translation: 在建立了盘和触针之间的相对运动时采用触笔来恢复来自视频盘的记录信号的回放系统中,提供了一种旋转式触笔清洁器。 携带触笔的自由转动的轻触控臂安装在用于在静止位置和播放位置之间移动触针的壳体中。 具有垂直于触针臂的纵向轴线的旋转轴线的旋转刷位于触针在静止位置和播放位置之间的运动路径中。 安装在承载可旋转刷子的轴上的摩擦轮在其在静止位置和播放位置之间的行进期间接触转盘并引起刷子的旋转,因为触针穿过刷子。 为了清洁刷子,具有与刷子的刷毛接合的梳子的梳子固定到板上。

    Predetermined thickness profiles through electroplating
    48.
    发明授权
    Predetermined thickness profiles through electroplating 失效
    通过电镀预定厚度分布

    公开(公告)号:US3880725A

    公开(公告)日:1975-04-29

    申请号:US45959074

    申请日:1974-04-10

    Applicant: RCA CORP

    CPC classification number: C25D21/12 Y10S204/07

    Abstract: A metal film having a predetermined thickness profile is obtained on a surface of an article through electroplating. The electroplating of the metal film on the article is done with an apparatus including a plurality of modifying electrodes and a body of plating material suspended in a plating solution. Electrical potentials are established at the article to be plated, the body of plating material, and at each one of the modifying electrodes. The particular electrical potential at the article, the body of plating material and at each one of the modifying electrodes is chosen to provide differences in electrical potential which result in a metal film having the predetermined thickness profile.

    Abstract translation: 通过电镀在物品的表面上获得具有预定厚度分布的金属膜。 金属膜在制品上的电镀是用包括多个修饰电极和悬浮在电镀液中的电镀体的装置进行的。 在要镀覆的物品,电镀材料的主体和每个修改电极上建立电位。 选择物品处的特定电位,电镀材料的主体和每个修改电极,以提供导致具有预定厚度分布的金属膜的电位差。

    Range tracking circuit
    49.
    发明授权
    Range tracking circuit 失效
    范围跟踪电路

    公开(公告)号:US3879730A

    公开(公告)日:1975-04-22

    申请号:US12223349

    申请日:1949-10-19

    Applicant: RCA CORP

    Inventor: ARSEM A DONALD

    CPC classification number: G01S13/70

    Abstract: 2. A pulse-echo distance determining system comprising means for transmitting a succession of pulses at a recurring frequency, means for receiving said pulses after reflection from a distant object, said receiving means consisting of a single channel that includes a gating circuit, means for producing gating pulses that recur at the same repetition rate as the received pulses but which have alternate pulses starting late in the gating pulse repetition cycle whereby there are produced early gating pulses that have a repetition rate equal to one-half the repetition rate of said received pulses and late gating pulses that have a repetition rate equal to one-half the repetition rate of said received pulses; means for applying said gating pulses to said gating circuit whereby received pulses reflected from said object appear in the output circuit of the receiving means when said received pulses and said gating pulses occur simultaneously or overlap in time, means for obtaining a control voltage that is a function of the relative amplitudes of two successive output pulses from the receiving means, and means for shifting the phase or timing of said gating pulses as a function of said control voltage and for holding said gating pulses in an overlapped time relation with respect to the received pulses as the distance to said object changes, and means for producing an indication that is a function of the phasing of said gating pulses whereby distance to the reflecting object is indicated.

    Abstract translation: 2.一种脉冲回波距离确定系统,包括用于以循环频率发送一连串脉冲的装置,用于在从远距离物体反射之后接收所述脉冲的装置,所述接收装置由包括门控电路的单个信道组成, 产生门控脉冲,其以与接收脉冲相同的重复频率重复,但是在门控脉冲重复周期中具有开始迟到的交替脉冲,由此产生具有等于所接收的重复率的一半重复率的早期门控脉冲 脉冲和后期选通脉冲,其重复率等于所述接收脉冲的重复率的一半; 用于将所述选通脉冲施加到所述选通电路的装置,由此当所述接收脉冲和所述选通脉冲同时发生或与时间重叠时,从所述对象反射的接收脉冲出现在所述接收装置的输出电路中,用于获得控制电压为 来自接收装置的两个连续输出脉冲的相对幅度的函数,以及用于根据所述控制电压移动所述选通脉冲的相位或定时的装置,以及用于将所述选通脉冲保持在与接收的重叠时间关系中 与所述对象的距离的脉冲改变,以及用于产生作为所述选通脉冲的相位的函数的指示的装置,从而指示到反射对象的距离。

    Distributed transmission line filter
    50.
    发明授权
    Distributed transmission line filter 失效
    分布式传输线滤波器

    公开(公告)号:US3879690A

    公开(公告)日:1975-04-22

    申请号:US46713774

    申请日:1974-05-06

    Applicant: RCA CORP

    CPC classification number: H01P1/2039

    Abstract: An undesired resonance is prevented in a distributed transmission line filter comprising a center conductor having serially connected inductive and capacitive sections separated from a ground conductor by a dielectric substrate having a first thickness for filter inductive sections and a second thickness for at least one of filter capacitive sections.

    Abstract translation: 在包括具有串联连接的电感和电容部分的中心导体的分布式传输线滤波器中防止了不期望的共振,所述电感和电容部分通过具有用于滤波电感部分的第一厚度的电介质基板和用于滤波电容的至少一个的第二厚度 部分。

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