公开(公告)号：WO1996041466A1

公开(公告)日：1996-12-19

申请号：PCT/US1996008402

申请日：1996-06-03

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  NIELSEN, Larry, E. ,  SPRIGNOLI, Gary, J.

IPC: H04N05/38

CPC classification number: H04N5/4401 ,  H04L1/006 ,  H04N5/211

Abstract: A receiver receives an ATV (e.g. HDTV) signal in an area that is subject to NTSC co-channel and other interferences. The received signal is precoded at the transmitter for enabling reduction of NTSC co-channel interference in the received signal. The received signal includes field sync signals that are successively field combed to produce a subtraction signal. The subtraction signal is comb filtered to reduce NTSC co-channel interference and applied to a comparator (36) along with the unfiltered subtraction signal. The comparator determines whether the level of NTSC co-channel interference is sufficiently great to subject the received ATV signal to comb filtering for reducing the NTSC co-channel interference.

Abstract translation: 接收机在受NTSC同频道和其他干扰的区域中接收ATV（例如HDTV）信号。 接收的信号在发射机处进行预编码，以便能够减少接收信号中的NTSC同信道干扰。 所接收的信号包括场同步信号，其被连续场梳理以产生减法信号。 减法信号被梳状滤波以减少NTSC同信道干扰，并与未滤波的减法信号一起施加到比较器（36）。 比较器确定NTSC同信道干扰的电平是否足够大以使接收到的ATV信号进行梳状滤波以减少NTSC同信道干扰。

公开(公告)号：WO1996002108A1

公开(公告)日：1996-01-25

申请号：PCT/US1995008135

申请日：1995-06-29

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  WILLMING, David, A.

IPC: H04N07/08

CPC classification number: H04L1/0071 ,  H04L1/0054 ,  H04L27/02 ,  H04L27/3433 ,  H04N5/4401 ,  H04N19/89

Abstract: A television signal is formatted for transmission by arranging a plurality of encoded data symbols, representing a plurality of source data bytes, into successive data frames each comprising 313 data segments. One of the data segments of each frame comprises a frame sync segment of which the last (12) symbols comprise a copy of the last (12) encoded data symbols the preceding data segment. The remaining segments of each frame comprise (12) interleaved subsegments A-L, each subsegment comprising a plurality of encoded data symbols representing a contiguous group of sources data bytes, with the first symbol of each of the first (4) subsegments A-D comprising a predetermined segment sync symbol. The received signal is decoded by independently processing the symbols of each respective subsegment to derive estimations of the source data bytes.

Abstract translation: 通过将表示多个源数据字节的多个编码数据符号排列成各自包括313个数据段的连续数据帧，来格式化电视信号以进行传输。 每个帧的数据段之一包括帧同步段，其中最后（12）个符号包括先前数据段的最后（12）个编码数据符号的副本。 每个帧的剩余段包括（12）交错子段AL，每个子段包括表示源数据字节的连续组的多个编码数据符号，其中第一（4）子段AD中的每一个的第一符号包括预定段 同步符号 通过独立地处理每个相应子段的符号来解码接收到的信号以得到源数据字节的估计。

公开(公告)号：WO1995018494A1

公开(公告)日：1995-07-06

申请号：PCT/US1994014394

申请日：1994-12-15

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  FIMOFF, Mark ,  LAUD, Timothy, G.

IPC: H04L01/12

CPC classification number: H04L1/0057 ,  H03M5/20 ,  H04L1/0003 ,  H04L1/0025 ,  H04L1/0052 ,  H04L1/0071 ,  H04N5/4401 ,  H04N7/56

Abstract: A data frame structure for variable size data constellations includes repetitive data segments each containing a fixed number of symbols arranged as a data segment sync character and data bytes. The frame includes a header segment including a frame sync code and a data constellation size code for the data frame. The data frame incorporates error correction groups and the frame size is selected to produce an integral number of error correction groups and data bytes in each frame for all of the variable size data constellations.

Abstract translation: 用于可变大小数据星座的数据帧结构包括重复数据段，每个重复数据段包含排列成数据段同步字符和数据字节的固定数目的符号。 帧包括包括帧同步码和数据帧的数据星座大小码的标题段。 数据帧包含错误校正组，并且选择帧大小来为所有可变大小的数据星座在每帧中产生整数个纠错组和数据字节。

公开(公告)号：WO1995002301A2

公开(公告)日：1995-01-19

申请号：PCT/US1994006983

申请日：1994-06-21

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  CITTA, Richard, W. ,  FIMOFF, Mark ,  HAUGE, Raymond, C.

IPC: H04N07/08

CPC classification number: H04N7/52 ,  H04N7/08 ,  H04N19/124 ,  H04N19/14 ,  H04N19/146 ,  H04N19/149 ,  H04N19/152 ,  H04N19/172 ,  H04N19/37 ,  H04N19/42 ,  H04N19/46 ,  H04N19/60 ,  H04N21/2343 ,  H04N21/23614 ,  H04N21/2662

Abstract: A television signal transmission system comprises a multiplexer (34) for combining a compressed video data signal and one or more auxiliary data signals to form a multiplexed signal for transmission over a channel of fixed bandwidth. The multiplexer (34) is controlled to vary the ratio of the components comprising the multiplexed signal to insure satisfactory reproducible image quality in response to the received compressed video data signal. The compressed video data signal may be buffered (26) prior to combination with the auxiliary data, in which case the multiplexer (34) is also further controlled to vary the ratio of the components comprising the multiplexed signal to maintain the fullness of the buffer (26) at an acceptable level.

Abstract translation: 电视信号传输系统包括：多路复用器（34），用于将压缩视频数据信号与一个或多个辅助数据信号组合以形成用于通过固定带宽的信道进行传输的复用信号。 控制复用器（34）以响应于接收的压缩视频数据信号来改变包括多路复用信号的分量的比率以确保令人满意的可再现图像质量。 压缩视频数据信号可以在与辅助数据组合之前被缓冲（26），在这种情况下，还进一步控制多路复用器（34）以改变包括多路复用信号的组件的比例以保持缓冲器的充满度（ 26）在可接受的水平。

公开(公告)号：WO1992019004A1

公开(公告)日：1992-10-29

申请号：PCT/US1992003048

申请日：1992-04-14

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  CAPEK, Raymond, G. ,  FENDLEY, James, R. ,  FONDRK, Mark, T.

IPC: H01J29/07

CPC classification number: H01J29/073 ,  H01J9/142 ,  H01J2229/0716 ,  H01J2229/0722

Abstract: An annulus (12) attached adjacent the edge planes (33) of a CRT front panel (13) provides screen area savings, and in the preferred embodiment, panel protection, strengthening, and anti-implosion properties. The annulus (12) is preferably composed of a plurality of sections (18a, 18b, 18c, 18d) and incorporates a shadow mask support (17). The annulus (12) is attached to the front panel (13) before receiving the shadow mask (23) and becomes a part of the CRT envelope. In a preferred embodiment, the annulus (12) is composed of ceramic and is x-ray shielded by an application of lead-based frit (41).

公开(公告)号：WO1992012525A2

公开(公告)日：1992-07-23

申请号：PCT/US1991009583

申请日：1991-12-18

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  PEARLMAN, Jerry, K. ,  LERNER, Martin, L.

IPC: H01G0

CPC classification number: H01J29/07 ,  H01J2229/0722

Abstract: A color cathode ray tube has a faceplate with curved inner surface and a curved outer surface. A tensed shadow mask is located adjacent to the inner surface and secured to discrete mask support rails affixed to said inner surface. The said rails have a curvature related to the curvature of the faceplate inner surface.

Abstract translation: 彩色阴极射线管具有弯曲内表面和弯曲外表面的面板。 张紧的荫罩位于内表面附近并且固定到固定到所述内表面上的离散的掩模支撑轨道。 所述导轨具有与面板内表面的曲率相关的曲率。

公开(公告)号：WO1991010253A1

公开(公告)日：1991-07-11

申请号：PCT/US1990007063

申请日：1990-12-03

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  CAPEK, Raymond, G. ,  GREINER, Siegfried, M. ,  HUTTON, Robert, F.

IPC: H01J29/07

CPC classification number: H01J29/073 ,  H01J2229/0722

Abstract: A tension mask color CRT has a mask support structure so composed, configured and arranged as to create an accurately controllable and widely variable compressive strain in prescribed critical areas of the faceplate inner surface which strengthens the bulb.

公开(公告)号：WO1991002373A1

公开(公告)日：1991-02-21

申请号：PCT/US1990004556

申请日：1990-08-10

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  CHEN, Hsing-Yao ,  GORSKI, Richard, M. ,  BABICZ, Eugene, A.

IPC: H01J29/62

CPC classification number: H01J29/51 ,  H01J29/503 ,  H01J29/628 ,  H01J2229/4841 ,  H01J2229/4865 ,  H01J2229/4872 ,  H01J2229/4879 ,  H01J2229/4893 ,  H01J2229/4896

Abstract: For use particularly in a color cathode ray tube electron gun, means for diverting an electron beam from a straight line path. The beam diverting means has general utility, but is disclosed as part of a quadrupole lens for correcting astigmatism introduced by an associated self-converging yoke. The beam bending feature in the dynamic quadrupole compensates for convergence errors undesirably introduced by the dynamic focus voltage.

公开(公告)号：WO1988009561A1

公开(公告)日：1988-12-01

申请号：PCT/US1988001678

申请日：1988-05-18

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  STRAUSS, Paul ,  JAROSZ, John ,  FENDLEY, James ,  DOUGHERTY, Lawrence, W. ,  KRANER, James, L.

IPC: H01J09/00

CPC classification number: H01J9/2272 ,  H01J9/00 ,  H01J29/073

Abstract: This invention relates to a reusable factory fixture frame (82) and process for using same in the manufacture of a color cathode ray tube (20) having a flat faceplate (24) and a tensed foil shadow mask (50). The frame provides for mounting an in-process shadow mask during photoexposure of an in-process faceplate in a lighthouse (122). The frame (82) comprises generally rectangular frame means and quick-release mechanical mask-retaining means (88) for temporarily and removably supporting an in-process shadow mask in tension. The frame (82) includes a generally rectangular frame structure having grooves (24) thereabout for receiving an edge (26) of the shadow mask. The mask retaining means (88) may comprise spring-loaded mechanical mask-retaining devices (18) which are secured to the side of the factory fixture frame or quick-release mechanical spring clips (34) for temporarily and removably supporting the in-process shadow mask in tension in the grooves. Alternatively at least one elongate rod-like (28) member extending lengthwise of and complementarily mating with the grooves in the frame structure may be employed for temporarily and removably supporting an in-process shadow mask in tension. The shadow mask is heated and allowed to expand prior to being temporarily and removably supported on the frame, and the shadow mask is allowed to cool and shrink in tension while so being supported to effect tensing of the shadow mask in clamped condition on the frame. Preferably, the frame has at least first six-point indexing means (132) on a first side (84) for registration with complementary registration-affording means (134) on an exposure lighthouse (122), and second six-point indexing means (136) on a second, opposed side (118) for registration with complementary registration-affording means (138) on an in-process faceplate (120). As a result, the in-process shadow mask can be precisely registered and re-registered with the lighthouse (122) and the in-process faceplate (120) for the photoexposure of the in-process faceplate while retaining the in-process shadow mask in tension.

Abstract translation: 本发明涉及一种可重复使用的工厂固定框架（82）及其制造具有平板（24）和张紧箔荫罩（50）的彩色阴极射线管（20）的方法。 所述框架提供在灯塔（122）中的过程中面板的曝光期间安装正在进行中的荫罩。 框架（82）包括大致矩形框架装置和快速释放机械掩模保持装置（88），用于临时和可拆卸地支撑处于过程中的张力荫罩。 框架（82）包括大体上矩形的框架结构，在其周围具有用于接收荫罩边缘（26）的凹槽（24）。 掩模保持装置（88）可以包括弹簧加载的机械掩模保持装置（18），其固定到工厂固定框架或快速释放机械弹簧夹（34）的侧面，用于临时和可移除地支撑在进程 阴影面膜在凹槽中张紧。 或者，可以采用沿框架结构中的凹槽纵向并互补地配合的至少一个细长的杆状构件（28），用于临时地和可移除地支撑处于张力的过程中的荫罩。 荫罩被加热并允许在被暂时地和可移除地支撑在框架之前膨胀，并且荫罩被允许在被支撑的同时冷却和收缩张力，以在夹持状态下使荫罩拉紧在框架上。 优选地，框架具有在第一侧（84）上的至少第一六点分度装置（132），用于与曝光灯塔（122）上的互补对准提供装置（134）配准，以及第二六点分度装置 136），用于与在进程中的面板（120）上的互补配准提供装置（138）配准。 因此，可以将过程中的荫罩精确地注册并重新注册到灯塔（122）和进程中的面板（120），以便在过程中的面板进行光照曝光，同时保持处理中的荫罩 在紧张。

公开(公告)号：WO1987005763A1

公开(公告)日：1987-09-24

申请号：PCT/US1987000551

申请日：1987-03-19

Applicant: ZENITH ELECTRONICS CORPORATION

Inventor： ZENITH ELECTRONICS CORPORATION ,  BIONE, Angelo, A. ,  SIRAZI, Semir

IPC: H04L11/16

CPC classification number: H04L12/462

Abstract: A communications system (10) includes one or more channels (A-N) each comprising a plurality of LANs (A1-N4) having multiple stations (S). The LANs of a particular channel are interconnected by a bridge interface (BA-BN), the respective bridge interfaces being connected by a backbone network (12). Each station is capable of transmitting a data packet including a header having either a 0 or 1 bridge flag, LAN stations being responsive only to data packets having a 0 bridge flag and bridge interfaces only to packets having a 1 bridge flag. Intra-LAN communications are thus effected by data packets having headers with 0 bridge flags while inter-LAN communications are effected by transmitting a packet with a 1 bridge flag from a source station which is coupled to the destination station by the bridge which also changes the bridge flag to 0. A special "broadcast" header is used to effect communications when the LAN or channel of the destination station is unknown.