公开(公告)号：US3612757A

公开(公告)日：1971-10-12

申请号：US3612757D

申请日：1969-08-20

Applicant: RCA CORP

Inventor： ANDERSON GEORGE EDWARD

IPC: H04N9/73 ,  H04N17/04 ,  H04N5/44

CPC classification number: H04N17/04

Abstract: A setup control apparatus for a color kinescope uses a switch for removing operating potential from an active device, as a vacuum tube, included in a video information signal channel, while further switching in an impedance for biasing the beam control electrodes of the kinescope at a predetermined level compatible with performing setup adjustments on the kinescope.

公开(公告)号：US3647944A

公开(公告)日：1972-03-07

申请号：US3647944D

申请日：1969-08-25

Applicant: RCA CORP

Inventor： ANDERSON GEORGE EDWARD

IPC: H04N5/18 ,  H04N9/72

CPC classification number: H04N9/72

Abstract: A pulse applied to DC restoring networks associated with the grid electrodes of a color kinescope for biasing the same is maintained at a relatively constant amplitude. The constant amplitude is provided for by means of a unidirectional currentconducting device coupled to the output electrode of a blanking amplifier, and used to control the pulse amplitude at the output electrode as further applied to the DC restorers. The unidirectional device limits the voltage excursions of the pulse when the device is caused to conduct, due to the bias impressed thereon. The action serves to regulate the bias voltage applied to the kinescope grids via the DC restoring networks independent of amplitude variations in the pulse as applied to the input electrode of the blanking amplifier and amplitude variations due to tolerances and aging of the blanking amplifier associated components.

Abstract translation: 施加到与彩色显像管的栅电极相关联的DC恢复网络的脉冲用于偏置该脉冲以保持相对恒定的幅度。 通过耦合到消隐放大器的输出电极的单向导流装置提供恒定幅度，并且用于控制进一步施加到DC恢复器的输出电极处的脉冲幅度。 单向器件由于施加了偏压而使器件导通时脉冲的电压偏移受到限制。 该动作用于通过DC恢复网络调节施加到显像管栅极的偏置电压，独立于施加到消隐放大器的输入电极的脉冲中的幅度变化，以及由于消隐放大器相关组件的公差和老化引起的幅度变化。

公开(公告)号：US3487165A

公开(公告)日：1969-12-30

申请号：US3487165D

申请日：1966-05-23

Applicant: RCA CORP

Inventor： ANDERSON GEORGE EDWARD ,  WILLIS DONALD HENRY

IPC: H04N5/208 ,  H03F1/50 ,  H03G5/02 ,  H04N5/14 ,  H04N5/205 ,  H04N3/16 ,  H04N5/44

CPC classification number: H03F1/50 ,  H04N5/14 ,  H04N5/205

公开(公告)号：DE1512418B1

公开(公告)日：1971-03-11

申请号：DE1512418

申请日：1967-05-17

Applicant: RCA CORP

Inventor： ANDERSON GEORGE EDWARD

IPC: H04N3/24

Abstract: 1,177,140. Cathode-ray tube circuits. RCA CORPORATION. 28 April, 1967 [19 May, 1966], No. 19823/67. Heading H4T. In. an arrangement for blanking the beam of a television picture tube, a pulse derived from the vertical deflection circuit during the retrace interval, preferably, as shown in Fig. 1, from the winding 38 of the vertical output transformer which supplies the deflection yoke, operates to reverse bias a rectifier 42 otherwise forwardly biased by the operating potential B+ for the video stage 10 and is thus developed across the load resistor 30 as a beam blanking pulse superimposed on the normal blanking pulse in the video signal. During the forward scan the rectifier, the loading of which on winding 38 is limited by resistor 48, operates in effect to clip the sawtooth portion of the deflection waveform. A reduction in yoke cross-talk, i.e. the effect of the horizontal deflection signal on the vertical deflection circuit, is stated to be reduced with a consequent improvement in the vertical interlace by the connection of winding 38 through the low impedance path via the B+ supply to earth. Any other winding on the vertical output transformer may be utilized as the source of the pulses supplied to the rectifier. In the case of electrostatic deflection additional means must be provided to derive such pulses.