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公开(公告)号：US3799642A
公开(公告)日：1974-03-26
申请号：US34532373
申请日：1973-03-27
Applicant: RCA CORP
Inventor： PHILLIPS W , STAEBLER D
CPC classification number: G03H1/02 , G03C1/725 , G03H2001/0268 , G03H2260/52 , G03H2260/54 , Y10S359/90 , Y10S430/146
Abstract: Photochromic lithium niobate crystals containing iron and either manganese or copper are useful for recording phase holograms in the photosensitive state of the crystals, which holograms can be permanently fixed and read out without loss in the quality of the image obtained therefrom over extended periods.
Abstract translation: 含有铁和锰或铜的光致变色铌酸锂晶体可用于在晶体的感光状态下记录相位全息图，该全息图可以永久地固定和读出，并且在长时间内从其获得的图像的质量不损失。
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公开(公告)号：US3798486A
公开(公告)日：1974-03-19
申请号：US3798486D
申请日：1972-11-06
Applicant: RCA CORP
Inventor： HERNQUIST K
CPC classification number: H01S3/031
Abstract: A low noise metal vapor laser discharge device of simple construction employing an anode electrode, a cold cathode electrode and condenser therebetween. The device features a relatively long intermediate portion, including a bore region and metal vapor store region, which communicates with the bore region at a plurality of spaced points along the length of the bore region, extending between the anode electrode and condenser.
Abstract translation: 一种采用阳极电极，冷阴极电极和冷凝器之间的简单结构的低噪声金属蒸气激光放电装置。 该装置具有相对较长的中间部分，其包括孔区域和金属蒸汽存储区域，其在沿着孔区域的长度的多个间隔点处与孔区域连通，在阳极电极和冷凝器之间延伸。
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公开(公告)号：US3796866A
公开(公告)日：1974-03-12
申请号：US3796866D
申请日：1972-06-01
Applicant: RCA CORP
Inventor： MC CLELLAN W
CPC classification number: H03G3/3084 , G06K7/10851
Abstract: The count stored in a counter is translated to a gain control voltage for a light sensing device such as a photomultiplier. An electrical signal is produced by the sensing device each time it receives a light signal from a reference source. If the level of the electrical signal differs from a given value by more than a given amount, the count in the counter is changed, to change the gain control voltage in a sense to return the electrical signal level to said given value.
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公开(公告)号：US3795823A
公开(公告)日：1974-03-05
申请号：US3795823D
申请日：1972-11-09
Applicant: RCA CORP
Abstract: Circuit for sensing the presence of a signal on a line preceded by noise on the line, such as noise created by switch bounce. The circuit, which includes flip-flops and logic gates, ignores noise bursts and produces only a single change in direct voltage level at the circuit output terminal, in response to a signal.
Abstract translation: 用于感测线路上存在信号的电路，其前面是线路上的噪声，例如由开关跳变产生的噪声。 包括触发器和逻辑门的电路响应于信号而忽略噪声突发并且仅在电路输出端产生直接电压电平的单一变化。
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公开(公告)号：US3795534A
公开(公告)日：1974-03-05
申请号：US3795534D
申请日：1972-04-19
Applicant: RCA CORP
Abstract: A METHOD OF FORMING A VIDEO DISC WITH A UNIFORM GROOVE RADIUS FROM A DISC HAVING GROOVES OF NONUNIFORM RADIUS AND DEPTH BY APPLYING AN EXCESS OF PHOTORESIST TO THE GROOVED DISC SURFACE WHILE ROTATING THE DISC RAPIDLY ONLY LONG ENOUGH TO DRIVE OFF THE EXCESS PHOTORESIST AND ALLOWING THE REMAINING PHOTORESIST TO DRY WHILE ROTATING THE DISC VERY SLOWLY.
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Patent Agency Ranking
公开(公告)号：US3795433A
公开(公告)日：1974-03-05
申请号：US3795433D
申请日：1972-05-22
Applicant: RCA CORP
Inventor： CHANNIN D
CPC classification number: G02F1/3137 , G02F1/035
Abstract: The increase of the refractive index in one or more localized regions defined by spaced electrodes on a surface of an electrooptic crystal, in response to a voltage across the electrodes, provides voltage-induced optical waveguide means. By controlling the voltage and/or the configuration of the electrodes, complex optical translating systems can readily be constructed.
Abstract translation: 响应于电极两端的电压，在电光晶体的表面上由间隔开的电极限定的一个或多个局部区域中的折射率的增加提供了电压诱导的光波导装置。 通过控制电极的电压和/或配置，可以容易地构造复杂的光学平移系统。
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公开(公告)号：US3793594A
公开(公告)日：1974-02-19
申请号：US3793594D
申请日：1972-02-18
Applicant: RCA CORP
Inventor： GRISWOLD F
CPC classification number: H03L7/16
Abstract: A translation loop with a voltage controlled oscillator (VCO) for generating a plurality of discrete frequencies that are unambiguously selected above or below a reference frequency by calibrating the VCO to the reference frequency without the presence of an offset frequency, a timed gate control subsequently gating the offset frequency for mixing in the loop. A phase detected error in the mixed signals controls the VCO to alter its frequency from the reference frequency to the frequency corresponding to the sum or difference frequency by a control sweep voltage positive or negative going to correspondingly increase or lower the VCO frequency.
Abstract translation: 一种具有压控振荡器（VCO）的平移环路，用于通过在不存在偏移频率的情况下将VCO校准到基准频率而产生多个离散频率，该离散频率被明确地选择在参考频率之上或之下，定时门控制随后门控 在循环中混合的偏移频率。 混合信号中的相位检测误差控制VCO通过控制扫描电压正或负改变其频率从参考频率到对应于和或差频率的频率，以相应地增加或降低VCO频率。
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公开(公告)号：US3792385A
公开(公告)日：1974-02-12
申请号：US3792385D
申请日：1972-11-06
Applicant: RCA CORP
CPC classification number: H01P5/04
Abstract: A movable magnetic tuning slug capacitively coupled to both the center conductor and outer conductor of an electromagnetic transmission line is used to provide a desired transmission line impedance in response to an applied magnetic field.
Abstract translation: 使用电容耦合到电磁传输线的中心导体和外导体的可移动磁调节段，以响应所施加的磁场提供期望的传输线阻抗。
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公开(公告)号：US3792372A
公开(公告)日：1974-02-12
申请号：US3792372D
申请日：1972-06-12
Applicant: RCA CORP
Inventor： MARK J
IPC: H01S3/032 , H01S3/038 , H01S3/0977 , H01S3/09 , H01S3/22
CPC classification number: H01S3/038 , H01S3/0323 , H01S3/0977
Abstract: By employing a serially-connected, resistance of 20 to 500 megohms between an additional starting electrode and the anode of a gas laser tube, the starting of a discharge between the anode and cold cathode thereof is ensured without the danger of tubedestroying parasitic oscillations.
Abstract translation: 通过在附加的起始电极和气体激光管的阳极之间采用串联连接的20至500兆欧电阻，确保阳极和冷阴极之间的放电开始，而不会发生管破坏寄生振荡的危险 。
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公开(公告)号：US3790245A
公开(公告)日：1974-02-05
申请号：US3790245D
申请日：1972-10-12
Applicant: RCA CORP
Inventor： HANNAN W , FRATTAROLA J
CPC classification number: H04N5/76 , B29C59/04 , B29L2031/7224 , G03H1/0244 , G03H1/028 , G03H2001/2615 , G03H2227/04 , H04N5/89
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。
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