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41. 发明公开

EP0257639A2 Color picture tube having inline electron gun with coma correction members 有权转让
标题翻译：在线 - Farbbildröhremit einer Komakorrektur。
公开(公告)号：EP0257639A2
公开(公告)日：1988-03-02
申请号：EP87112413.7
申请日：1987-08-26
申请人： RCA LICENSING CORPORATION
发明人： Ingle, Arthur Joseph , Alig, Roger Casanova
IPC分类号： H01J29/56 , H01J29/51
CPC分类号： H01J29/707 , H01J29/503 , H01J2229/4862 , H01J2229/4865 , H01J2229/4872 , H01J2229/4875
摘要： An improved color picture tube (10) has an inline electron gun (26) for generating and directing three inline electron beams (28), comprising a center beam and two outer beams, along initially coplanar paths (B,G,R) toward a screen (22) of the tube. The beams pass through a deflection zone adapted to have two orthogonal magnetic deflection fields (V,H) established therein. A first (V) of the fields causes deflection of the beams in a first direction perpendicular to the inline direction of the beams, and a second (H) of the fields causes deflection in a second direction parallel to the inline direction of the beams. The gun includes two shunts (74,76;88,90;94,96;100,102) for shunting portions of both deflection fields around the outer beam paths (B,R). Each shunt comprises one magnetically permeable member having an aperture (78;92;98;104) therein and completely surrounds one of the electron beam paths. The improvement comprises each shunt being longer in the first direction than in the second direction, and being symmetric about a central axis of the shunt that parallels the first direction and symmetric about another central axis of the shunt that parallels the second direction.
摘要翻译：改进的彩色显像管（10）具有一个一字形电子枪（26），用于产生和引导三个一字形的电子束（28），包括一个中心光束和两个外光束，沿初始共面路径（B，G，R）朝向屏幕（22）。光束通过适于在其中建立的两个正交磁偏转场（V，H）的偏转区域。场的第一（V）引起垂直于光束的内嵌方向的第一方向的光束的偏转，第二（H）场引起平行于光束的直列方向的第二方向的偏转。枪包括用于分流围绕外束路径（B，R）的两个偏转场的部分的两个分流器（74,76; 88,90; 94,96; 100,102）。每个分流器包括一个在其中具有孔径（78; 92; 98; 104）的导磁构件，并完全围绕电子束路径之一。该改进包括在第一方向上比在第二方向上更长的每个分流器，并且关于分流器的中心轴线对称，该中心轴线平行于第一方向，并且与分流器的另一个中心轴线对称，其平行于第二方向。

42. 发明公开

EP0251609A2 Color cathode ray tube display system and electron gun therefor 有权转让
标题翻译：彩色阴极射线管显示系统及其电子枪
公开(公告)号：EP0251609A2
公开(公告)日：1988-01-07
申请号：EP87305501.6
申请日：1987-06-22
申请人： RCA LICENSING CORPORATION
发明人： Alig, Roger Casanova , Bloom, Stanley , Hockings, Eric Francis
IPC分类号： H01J29/51 , H01J29/50
CPC分类号： H01J29/51
摘要： A color display system includes a cathode-ray tube with a deflection yoke which is a non-converging deflecting type. The cathode-ray tube has an electron gun assembly (26) for generating and directing three electron beams, located at the corners of an equilateral triangle, along paths toward a screen of the tube. The electron gun assembly comprises three electron guns each including electrodes (36,38) that comprise a beam-forming region and electrodes (40,42) that form a main focusing lens in the path of an electron beam. The main focusing lens is formed by at least two focusing electrodes (40,42). The focusing electrode (40) closest to the beam-forming region includes a separated part (52) adjacent to the path of the electron beam. Each separated part forms a portion of a dipole lens structure in the electron beam path. Means (120,122,124) are provided for applying dynamic signals (V b ,V g ,V r ) to the separated parts which are related to the deflection of the electron beams. The dipole lens structures establish electrostatic dipole fields in the path of the three electron beams that cause the beams to converge at the screen for all angles of deflection.
摘要翻译：一种彩色显示系统包括具有偏转线圈的阴极射线管，偏转线圈是不会聚的偏转类型。阴极射线管具有一个电子枪组件（26），用于沿着朝向荧光屏屏幕的路径产生并引导位于等边三角形角部的三束电子束。该电子枪组件包括三个电子枪，每个电子枪包括构成束形成区域的电极（36,38）和在电子束路径中形成主聚焦透镜的电极（40,42）。主聚焦透镜由至少两个聚焦电极（40,42）形成。最靠近光束形成区域的聚焦电极（40）包括与电子束路径相邻的分离部分（52）。每个分离的部分形成电子束路径中的偶极透镜结构的一部分。提供装置（120,122,124）用于将动态信号（Vb，Vg，Vr）施加到与电子束的偏转有关的分离部分。偶极透镜结构在三束电子束的路径中建立静电偶极子场，导致电子束在屏幕上会聚所有偏转角。

43. 发明公开

EP0251608A2 Color cathode ray tube display system and electron gun therefor 有权转让
标题翻译： Farbbildröhreund ElektronenkanonefürdieseRöhre。
公开(公告)号：EP0251608A2
公开(公告)日：1988-01-07
申请号：EP87305500.8
申请日：1987-06-22
申请人： RCA LICENSING CORPORATION
发明人： Bloom, Stanley , Hockings, Eric Francis
IPC分类号： H01J29/51 , H01J29/50
CPC分类号： H01J29/51 , H01J29/503 , H01J2229/4841 , H01J2229/4872 , H01J2229/4896
摘要： A color display system includes a cathode-ray tube with a deflection yoke which is a non-converging deflecting type. The cathode-ray tube has an electron gun (26) for generating and directing three electron beams, a center beam and two outer beams, along paths toward a screen of the tube. The electron gun includes electrodes (36,38) that comprise a beam-forming region and electrodes (46,48) that form a main focussing lens. Between at least one (in Figure 2 both) of the focussing lens electrodes and the beam-forming region are at least two laterally-spaced parts (52,54,62,64) each forming a portion of a dipole lens structure in the path of an outer electron beam. In operation there is applied to at least one of the spaced parts (52,54) a dynamic signal which is so related to the deflection of the electron beams as to tend to converge the outer beams with the center beam for all angles of deflection.
摘要翻译：彩色显示系统包括具有非会聚偏转型偏转线圈的阴极射线管。阴极射线管具有电子枪（26），用于沿着朝向管的屏幕的路径产生和引导三个电子束，中心束和两个外部光束。电子枪包括构成波束形成区域的电极（36,38）和形成主聚焦透镜的电极（46,48）。在聚焦透镜电极和波束形成区域中的至少一个（在图2中两个）之间是至少两个横向间隔的部分（52,54,62,64），每个部分形成路径中的偶极子透镜结构的一部分的外部电子束。在操作中，应用至少一个间隔部分（52,54）一个动态信号，其与电子束的偏转相关，以便倾斜于使外束与中心光束会聚到所有的偏转角。

44. 发明公开

EP0242935A1 Video signal motion detecting apparatus 失效转让
标题翻译： Videosignal-Bewegungsdetektor。
公开(公告)号：EP0242935A1
公开(公告)日：1987-10-28
申请号：EP87300297.6
申请日：1987-01-14
申请人： RCA LICENSING CORPORATION
发明人： Weckenbrock, Hermann Johann , Roeder, Barbara Joan , Casey, Robert Francis , Harwood, Leopold Albert , Wedam, Werner Franz
IPC分类号： H04N5/14 , H04N5/21
CPC分类号： H04N5/144
摘要： A motion detector is provided for detecting interimage motion represented by video signals. For composite video signals, the detector analyses both the chrominance and luminance components for image motion. Interimage motion represented by the luminance component is determined from interimage signal differences. The interimage signal differences (10,20) are separated into high (50,22) and low (22) frequency spectra corresponding to fine and coarse luminance image detail. Selected signal differences from the low frequency spectrum are summed (62) and threshold detected (64) to determine motion in the coarse image detail. The high frequency spectrum of the sample differences are applied to parallel summing circuits (72,76,74,78) which sum different combinations of sample differences in order to discriminate (80,82) motion signals from non-moving chrominance transitions. The detection signals from the high and low frequency motion detectors are combined (86) to produce a luminance motion signal.
Interimage motion represented by the chrominance component is detected by combining selected ones of interimage signal sums. The interimage signal sums are high pass filtered and applied to parallel combining elements which discriminate chrominance motion from vertical luminance transitions.
摘要翻译：提供了一种用于检测由视频信号表示的图像间运动的运动检测器。对于复合视频信号，检测器分析图像运动的色度和亮度分量。由图像间信号差异确定由亮度分量表示的图像间运动。图像间信号差（10,20）被分离成对应于精细和粗糙亮度图像细节的高（50,22）和低（22）频谱。从低频谱中选出的信号差异相加（62）和阈值检测（64）以确定粗略图像细节中的运动。将样本差的高频谱应用于并行加法电路（72,76,74,78），其对不同的采样差分组合进行求和，以区分（80,82）运动信号与非移动色度转换。来自高频和低频运动检测器的检测信号被组合（86）以产生亮度运动信号。通过组合所选择的图像间信号和来检测由色度分量表示的图像间运动。图像间信号和被高通滤波并应用于将色度运动与垂直亮度转换区分开的并行组合元件。

45. 发明公开

EP0242124A1 Vertical deflection circuit 有权转让
标题翻译： Vertikal-Ablenkschaltung。
公开(公告)号：EP0242124A1
公开(公告)日：1987-10-21
申请号：EP87303081.1
申请日：1987-04-09
申请人： RCA LICENSING CORPORATION
发明人： Sutherland, Hugh Ferrar II
IPC分类号： H04N3/16 , H04N9/29
CPC分类号： H04N3/16 , H03K4/696 , H04N3/233 , H04N9/29
摘要： A vertical deflection amplifier (20) of a video display apparatus includes first (Q1) and second (Q2) transistor amplifier output stages arranged in a totem-pole, push-pull configuration. A vertical deflection winding (Lv) is coupled to the output stages at a deflection amplifier output terminal (22). An S-capacitor (C1) is coupled to the deflection winding (L v ) at a second terminal (21) remote from the output terminal (22). A source (23) of deflection rate signals is coupled to the deflection amplifier (20) for generating a deflection current (iv) in the deflection winding (Lv). A base current generating circuit (40) is coupled to one (Q1) of the transistor amplifier output stages for providing base current (i 1) thereto. The S-capacitor voltage (V1) is applied to the base current generating circuit (40) for enabling conduction of base current (i1) in the one amplifier output stage (Q1). When the video display apparatus is first turned on, the initially discharged S-capacitor (C1) is slowly charged from a DC voltage supply (+30V) to delay generation of vertical deflection past completion of picture tube degaussing.
摘要翻译：视频显示装置的垂直偏转放大器（20）包括以图腾柱推挽配置布置的第一（Q1）和第二（Q2）晶体管放大器输出级。垂直偏转绕组（Lv）在偏转放大器输出端（22）处耦合到输出级。 S电容器（C1）在远离输出端子（22）的第二端子（21）处耦合到偏转绕组（Lv）。偏转率信号的源极（23）耦合到偏转放大器（20），用于在偏转绕组（Lv）中产生偏转电流（iv）。基极电流产生电路（40）耦合到晶体管放大器输出级的一个（Q1），以向其提供基极电流（i1）。将S电容电压（V1）施加到基极电流发生电路（40），以使得能够导通一个放大器输出级（Q1）中的基极电流（i1）。当视频显示装置首次接通时，初始放电的S电容器（C1）从DC电压源（+ 30V）缓慢充电，以延迟在显像管消磁完成之后产生垂直偏转。

46. 发明公开

EP0145490A3 Keyed DC stabilization system with protection from error introduction during vertical sync interval 有权转让
标题翻译：在垂直同步间隔期间带有错误引导保护的KEYED直流稳压系统
公开(公告)号：EP0145490A3
公开(公告)日：1987-06-16
申请号：EP84308665
申请日：1984-12-13
申请人： RCA CORPORATION
发明人： Shanley II, Robert Loren , Yost, Thomas Dale , Lagoni, William Adamson
IPC分类号： H04N09/72
CPC分类号： H04N9/72
摘要： DC stabilization system for a color TV receiver includes three control loops, each including a keyed comparator (35, 31, 33) for comparing a respectively different one of a set of blue, green, and red color signals with a common reference voltage (RV) during keying periods determined by line rate keying of «backporch» timing pulses (K). The output of the keyed comparator (35) responding to the blue signal adjusts the DC level of a luminance signal component used in color signal formation. The output of the keyed comparator (33) responding to the red signal adjusts the DC level of an I color-difference signal component used for color signal formation. The output of the keyed comparator (31) responding to the green signal adjusts the DC level of a Q color-difference signal used for color signal formation. The line rate keying pulse source (50) is subject to field-rate blanking to prevent comparator keying during significant portion of received signal's vertical sync interval.

47. 发明公开

EP0146344A3 DC Stabilization system 有权转让
标题翻译：直流稳压系统
公开(公告)号：EP0146344A3
公开(公告)日：1987-06-03
申请号：EP84308663
申请日：1984-12-13
申请人： RCA CORPORATION
发明人： Shanley II, Robert Loren
IPC分类号： H04N09/72
CPC分类号： H04N9/72
摘要： DC stabilization system for color signal inputs to kinescope drivers of a color TV receiver (of a type employing AKB control) includes four control loops, one (33, 34, 21) serving to adjust DC level of I color-difference signal, one (31, 32, 19) serving to adjust DC level of Q color-difference signal, and two serving to adjust DC level of the Y (luminance) signal. One of the Y-adjusting control loops, employing a voltage comparator (60) enabled only during periodic kinescope bias control intervals recurring at a field rate, is provided with an effective time constant which is short relative to the duration of a line interval. The other of the Y-adjusting control loops (35, 36, 46), employing a voltage comparator (35) enabled only during backporch blanking portions of line intervals lying outside of the recurring kinescope bias control intervals, is provided with an effective time constant which is long relative to the duration of a line interval.

48. 发明公开

EP0219287A1 Cathode ray tube degaussing circuitry 失效转让
标题翻译：消磁电路，用于阴极射线管。
公开(公告)号：EP0219287A1
公开(公告)日：1987-04-22
申请号：EP86307675.8
申请日：1986-10-03
申请人： RCA LICENSING CORPORATION
发明人： Haferl, Peter Eduard
IPC分类号： H04N9/29
CPC分类号： H04N9/29
摘要： A degaussing circuit for a cathode ray tube of a video display apparatus includes a resonating capacitor (C1) that is charged prior to degaussing. A degaussing coil (L DG ) is disposed about the cathode ray tube. An SCR (SCR1), responsive to an on/off control signal, is turned on by a control switch (Q1) for coupling the resonating capacitor (C1) to the degaussing coil (L DG ) in order to generate an AC degaussing current in the coil having an amplitude that diminishes to a low amplitude during a degaussing interval. Positive feedback (R2,C2) is used for speeding up the turn-on time of the control switch (Q1). A series pass transistor switch (Q2) couples a source (T1 or 51) of a supply voltage (VUR1) to a delay network (R7,C5). The series pass transistor switch (Q2) is coupled in the current path of the current that is supplied by the power supply. An energizing voltage (V Q ₂) is developed at the output of the delay network (R7,C5). The magnitude of the energizing voltage exceeds a predetermined value after a predetermined delay time following conduction of the transistor switch (Q2), that is determined by the delay network. The delayed energizing voltage is coupled to a deflection circuit (56,57,58) to initiate deflection circuit operation after conclusion of the degaussing.

49. 发明公开

EP0185481A3 A resonant switching apparatus using a cascode arrangement 有权转让
标题翻译：使用CASCODE ARRANGEMENT的谐振开关装置
公开(公告)号：EP0185481A3
公开(公告)日：1986-10-08
申请号：EP85308701
申请日：1985-11-29
申请人： RCA CORPORATION
发明人： Dietz, Wolfgang Friedrich Wilhelm
IPC分类号： H03K04/62
CPC分类号： H03K4/62
摘要： An apparatus for generating a periodic resonant pulse voltage across an inductance (L H1 ,L H2 ) includes first (Q1) and second (02) switches coupled together in a series cascode arrangement. The cascode arrangement applies a first voltage to the inductance for storing energy therein. A periodic switching signal is coupled to the second switch (Q2). Each cycle of the switching signal includes a turn-on portion and a turn-off portion. The initiation of the turn-off portion makes the second switch (02) nonconductive to enable the inductance (L H1 ,L H2 ) and a resonating capacitance (Cr) to form a resonant circuit that generates a resonant pulse voltage at a terminal (41) of the resonant circuit. A damper switch (D1) is coupled to the inductance (L H1 ,L H2 ) for terminating the generation of the resonant pulse voltage at the end of the first interval, prior to the initiation of the turn-on portion of the switching signal. The voltage at the resonant circuit terminal (41) is coupled to the control electrode (base) of the first switch (Q1) for supplying current thereto during conduction of the damper switch (D1). This enables the first. switch (Q1) to conduct current from the inductance (L H1 ,L H2 ) during conduction of the second switch (02).

50. 发明公开

EP0165785A3 Apparatus and method for forming a shadow mask from a flat blank 有权转让
标题翻译：用于从平坦空白形成阴影掩蔽物的装置和方法
公开(公告)号：EP0165785A3
公开(公告)日：1986-09-17
申请号：EP85304246
申请日：1985-06-14
申请人： RCA CORPORATION
发明人： Ragland, Frank Rowland, Jr.
IPC分类号： B21D22/00
CPC分类号： H01J9/142 , B21D22/02 , B21D35/00
摘要： A punch (16) and pad (10) for forming a shadow maskfor a square planar color cathode ray tube have curved outer edges. A pair of dies (14;12) respectively receiving the punch and pad have straight inner edges (58,60;50,52). The dies clamp a flat shadow mask blank (78), and the punch is lowered to only partially form the shadow mask. The mask is then unclamped, and the punch is fully lowered towards the pad, to complete the forming of the mask without wrinkles.

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