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1. 发明授权

US4600921A Full-field teletext system with dynamic addressability 失效
标题翻译：具有动态寻址能力的全场图文电视系统
公开(公告)号：US4600921A
公开(公告)日：1986-07-15
申请号：US543588
申请日：1983-10-19
申请人： William L. Thomas
发明人： William L. Thomas
IPC分类号： H04N7/03 , H04Q9/00 , H04N7/18
CPC分类号： H04N7/03
摘要： The present invention permits a teletext system operator to adjust subscriber access to service levels individually by adjusting a code at the head end station. A head-end station transmits a tier description page and a tier authorization page. The tier description page divides the data base into a group of tiers each comprising a defined range of pages. The authorization page lists authorization codes for all subscribers, one code per subscriber. Each subscriber station includes a permanent location code. When access is requested by the subscriber, the subscriber station uses the location code to acquire the authorization code transmitted by the head-end station. The authorization code indicates which tiers the subscriber station may decode. To change the service, the system operator may change the authorization codes at the head-end station or change the range definitions for the service level tiers.
摘要翻译：本发明允许图文电视系统操作者通过调整头端站处的代码来单独地调整用户对服务水平的访问。头端站传输层描述页和层授权页。层描述页面将数据库分成一组层级，每一层包括一定义范围的页面。授权页面列出所有订户的授权码，每个订户一个代码。每个用户站包括永久位置代码。当用户请求访问时，用户台使用位置代码来获取由头端站发送的授权码。授权码指示用户台可以解码的层。要更改服务，系统操作员可以更改前端站的授权码，或更改服务级别的范围定义。

2. 外观设计

USD275953S Television receiver cabinet 失效
公开(公告)号：USD275953S
公开(公告)日：1984-10-16
申请号：US353303
申请日：1982-03-01
申请人： Melvin H. Boldt, deceased , by Melvin W. Boldt, executor , David P. Chuboff , Arnold Goldman , Wayne J. Franek
设计人： Melvin H. Boldt, deceased , by Melvin W. Boldt, executor , David P. Chuboff , Arnold Goldman , Wayne J. Franek

3. 发明授权

US4461041A Integrated RF receiver/waveguide 失效
标题翻译：集成RF接收机/波导
公开(公告)号：US4461041A
公开(公告)日：1984-07-17
申请号：US455688
申请日：1983-01-05
申请人： Pierre Dobrovolny
发明人： Pierre Dobrovolny
IPC分类号： H04B1/26
CPC分类号： H04B1/26
摘要： The front end of a microwave receiver includes a waveguide with one wall comprised partially of the conductive ground plane of a printed circuit board. On the opposite side of the circuit board is mounted receiver front end circuitry including packaged, discrete devices and integrated circuits. An RF probe is inserted through the circuit board and into the waveguide for picking up a signal incident thereon and providing it to the aforementioned receiver front end circuitry. Incorporated in the waveguide is a cavity also partially formed from the ground plane of the receiver circuit board and containing a dielectric resonator element which, in combination with an oscillator located on the circuit board, provides a reference frequency for mixing with the received signal in generating an IF signal which is then provided to IF signal processing circuitry. The integrated RF receiver/waveguide is compact, incorporates readily available components in an inexpensively manufactured structure, and is particularly adapted for the front end of an SHF receiver such as utilized to receive satellite television signals.
摘要翻译：微波接收器的前端包括波导，其一个壁部分地由印刷电路板的导电接地平面组成。在电路板的另一面是安装接收机前端电路，包括封装，分立器件和集成电路。将RF探针插入电路板并插入波导中以拾取入射到其上的信号并将其提供给前述的接收器前端电路。结合在波导管中的是由接收器电路板的接地平面部分地形成并且包含介质谐振元件的腔，该介质谐振元件与位于电路板上的振荡器组合提供用于与产生的接收信号混合的参考频率然后将IF信号提供给IF信号处理电路。集成RF接收器/波导是紧凑的，以廉价制造的结构组合易于获得的部件，并且特别适用于诸如用于接收卫星电视信号的SHF接收器的前端。

4. 发明授权

US4459476A Co-ordinate detection system 失效
标题翻译：坐标检测系统
公开(公告)号：US4459476A
公开(公告)日：1984-07-10
申请号：US340604
申请日：1982-01-19
申请人： William W. Weissmueller , James Fitzgibbon
发明人： William W. Weissmueller , James Fitzgibbon
IPC分类号： G06F3/037 , G06F3/042 , G01V9/04 , G01J1/20 , G08C9/00
CPC分类号： G06F3/037 , G06F3/0421
摘要： The invention is directed to an X-Y co-ordinate detection system of the type which generates intersecting paths of radiation across a surface which may be, for example, a touch panel of the cathode ray tube type. Less expensive and more reliable operation is provided by developing the paths of radiation by use of radiation-emissive material disposed near at least one edge of the surface and excited by a flying spot of energy, such as an electron beam. In the preferred embodiment, strips of infrared emissive material are disposed on an internal surface of a cathode ray tube's panel and excited by overscanning the tube's electron beam to develop intersecting paths of infrared radiation across the tube's faceplate.
摘要翻译：本发明涉及一种X-Y坐标检测系统，该系统产生跨越可能是例如阴极射线管类型的触摸面的表面的辐射交叉路径。通过使用设置在表面的至少一个边缘附近并由诸如电子束的能量的飞跃点激发的辐射发射材料来显影辐射路径来提供更便宜和更可靠的操作。在优选实施例中，红外发射材料的条带设置在阴极射线管面板的内表面上，并通过过扫描管的电子束而激发穿过管的面板产生红外辐射的相交路径。

5. 发明授权

US4450386A Electronic television picture framing circuit 失效
标题翻译：电子电视图像框架电路
公开(公告)号：US4450386A
公开(公告)日：1984-05-22
申请号：US325783
申请日：1981-11-30
申请人： Stanley E. Lehnert
发明人： Stanley E. Lehnert
IPC分类号： H04N3/233 , H03K5/01
CPC分类号： H04N3/2335
摘要： An electronic image framing circuit is described for eliminating the visible effects of pincushion distortion at the edges of a television image. Toward this end, portions of video lines which extend beyond a selected straight line image boundary are blanked by a pulse processor. The pulse processor responds to conventional horizontal rate and vertical rate pulses for developing blanking pulses whose widths are varied at a vertical rate. The modified blanking pulses are applied to a conventional blanking circuit for blanking the portions of video lines which extend beyond the desired image area. A parabola generator is also described for use in developing the modified blanking pulses.
摘要翻译：描述了一种电子图像成帧电路，用于消除电视图像边缘处的枕形失真的可见影响。为此，延伸超过所选择的直线图像边界的视频线的部分被脉冲处理器消隐。脉冲处理器响应传统的水平速率和垂直速率脉冲，用于开发宽度以垂直速率变化的消隐脉冲。修改的消隐脉冲被施加到常规的消隐电路，以消除延伸超出所需图像区域的视频线的部分。还描述了抛物线发生器用于开发修改的消隐脉冲。

6. 发明授权

US4435841A Communications receiver having a switchable filter input stage 失效
标题翻译：通信接收机具有可切换的滤波器输入级
公开(公告)号：US4435841A
公开(公告)日：1984-03-06
申请号：US353694
申请日：1982-03-01
申请人： Pierre Dobrovolny
发明人： Pierre Dobrovolny
IPC分类号： H03H7/01 , H04B1/26 , H03H7/00
CPC分类号： H04B1/26 , H03H7/01 , H03H7/1758
摘要： A multichannel communications receiver, e.g. a CATV converter, includes a switched filter for reducing third order intermodulation distortion by limiting the number of channels processed by the receiver. In a preferred embodiment, the filter is switchable between a highpass and a lowpass configuration by a control signal supplied to two switching diodes. The input and output of the filter are coupled by a mutual inductance which partially compensates for the effect of parasitic inductance at higher frequencies.
摘要翻译：多通道通信接收机，例如 CATV转换器包括用于通过限制由接收机处理的信道数量来减少三阶互调失真的开关滤波器。在优选实施例中，通过提供给两个开关二极管的控制信号，滤波器可在高通和低通配置之间切换。滤波器的输入和输出通过互感耦合，该互感部分地补偿较高频率下的寄生电感的影响。

7. 发明授权

US4424594A Extended range tunable resonant circuit for a VHF television receiver tuning system 失效
标题翻译：用于VHF电视接收机调谐系统的扩展范围可调谐谐振电路
公开(公告)号：US4424594A
公开(公告)日：1984-01-03
申请号：US308018
申请日：1981-10-05
申请人： Peter C. Skerlos , Peter Strammello, Jr.
发明人： Peter C. Skerlos , Peter Strammello, Jr.
IPC分类号： H03J5/24 , H04B1/26
CPC分类号： H03J5/244
摘要： An extended range tunable resonant circuit for use in a VHF television receiver tuning system comprises a bandswitchable inductive network connected to a low series resistance gallium arsenide varactor diode. The resonant circuit, when operated in response to appropriate bandswitching signals and tuning voltages, is effective for establishing a plurality of tuning bands collectively defining an extended sub-UHF tuning range from about 54 MHz to at least 408 MHz.
摘要翻译：用于VHF电视接收机调谐系统的扩展范围可调谐谐振电路包括连接到低串联电阻砷化镓变容二极管的带通开关感应网络。谐振电路在响应于适当的频带切换信号和调谐电压而操作时对于建立共同定义从约54MHz至至少408MHz的扩展子UHF调谐范围的多个调谐频带是有效的。

8. 发明授权

US4418279A Automatic CRT exposure regulation 失效
标题翻译：自动CRT曝光调节
公开(公告)号：US4418279A
公开(公告)日：1983-11-29
申请号：US306448
申请日：1981-09-28
申请人： Robert E. Hager , Laurence H. Moss
发明人： Robert E. Hager , Laurence H. Moss
IPC分类号： H01J9/227 , H01J40/14
CPC分类号： H01J9/2272
摘要： A method and apparatus are disclosed for altering the exposure time of a master timer in a CRT light house to accommodate masks having different aperture sizes. For each expected aperture size, an exposure time modifier is pre-stored, the aperture size of a mask is sensed, and the modifier corresponding to the mask's aperture size is automatically selected. The selected modifier is used to alter the rate at which the master timer times out so as to provide an exposure interval appropriate for the mask being processed.
摘要翻译：公开了一种用于改变CRT灯室中的主计时器的曝光时间以适应具有不同孔径尺寸的掩模的方法和装置。对于每个期望的孔径尺寸，预先存储曝光时间修改器，感测掩模的孔径尺寸，并且自动选择对应于掩模孔径尺寸的修改器。所选择的修饰符用于改变主定时器超时的速率，以提供适合于正在处理的掩码的曝光间隔。

9. 发明授权

US4415932A CRT Mounting and implosion-protection means and method 失效
标题翻译： CRT安装和内爆保护手段和方法
公开(公告)号：US4415932A
公开(公告)日：1983-11-15
申请号：US380510
申请日：1982-05-21
申请人： Melvin F. Rogers
发明人： Melvin F. Rogers
IPC分类号： H01J29/87 , H01J61/50 , H04N5/645
CPC分类号： H01J29/87
摘要： Improved mounting and implosion-protection means and method are disclosed for use in a cathode ray tube having a substantially rectangular glass face panel with a rearwardly extending skirt. A first tension band has a predetermined relatively wide width for compressively inwardly loading the panel at a tension level completely effective to protect against implosion. Four mounting brackets, one at each corner of the panel for mounting the tube, have a rearwardly extending foot. A second tension band substantially narrower than the first band circumscribes and overlays the first band. The second band is tensioned at a level 55 to 78 percent of the tension level of the first band for capturing and compressively holding each bracket foot against the first band. The effect according to the invention is such that the tension level of the second band is effective to retain the mounting brackets, but ineffective to deleteriously interfere with the implosion protective tension exerted on the panel by the first band.
摘要翻译：公开了用于阴极射线管的改进的安装和内爆保护装置和方法，所述阴极射线管具有带有向后延伸的裙部的基本为矩形的玻璃面板。第一张力带具有预定的相对宽的宽度，用于以完全有效的防止内爆的张力水平面压缩地向内装载面板。四个安装支架，一个在面板的每个角落，用于安装管，具有向后延伸的脚。基本上窄于第一带的第二张力带限制并覆盖第一带。第二带被张紧在第一带的张力水平的55％至78％的水平，用于捕获并将每个支架脚压靠在第一带上。根据本发明的效果使得第二带的张力水平对于保持安装支架是有效的，但是无效地有害地干扰由第一带施加在面板上的内爆保护张力。

10. 发明授权

US4415842A Television receiver start-up circuit 失效
标题翻译：电视接收机启动电路
公开(公告)号：US4415842A
公开(公告)日：1983-11-15
申请号：US407418
申请日：1982-08-12
申请人： Raymond J. Kulka , William A. Trzyna
发明人： Raymond J. Kulka , William A. Trzyna
IPC分类号： H04N3/16 , H01J29/70
CPC分类号： H04N3/16
摘要： A television receiver start-up circuit wherein the conventional start-up transformer is eliminated by initiating horizontal output circuit operation directly from the unregulated B+ driven horizontal driver transformer is disclosed. An astable multivibrator energized by the line referenced unregulated B+ power supply provides a pulsed output to the horizontal driver transformer for initiating oscillation of the horizontal output transistor in initiating television receiver sweep operation.Multivibrator operation is timed out following application of the unregulated B+ thereto for termination of the start-up signal and operation of the horizontal drive circuitry by the television receiver's line isolated power supply in sustaining television receiver operation.
摘要翻译：公开了一种电视接收机起动电路，其中通过直接从未调节的B +驱动的水平驱动变压器开始水平输出电路操作来消除传统的起动变压器。由参考的不受监管的B +电源供电的不稳定多谐振荡器为水平驱动变压器提供脉冲输出，用于在启动电视接收机扫描操作时启动水平输出晶体管的振荡。多路复用器操作在应用未调节B +之后超时以终止的启动信号和水平驱动电路的操作由电视接收机的线路隔离电源维持电视接收机操作。

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