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    Automatic gain control system for television cameras
    1.
    发明授权
    Automatic gain control system for television cameras 失效
    电视摄像机自动增益控制系统

    公开(公告)号：US3651255A

    公开(公告)日：1972-03-21

    申请号：US3651255D

    申请日：1970-02-17

    Applicant: SONY CORP

    Inventor： KUBOTA YASUHARU ,  SHIONO TAKASHI

    IPC: H04N5/243 ,  H04N5/52 ,  H04N5/19

    CPC classification number: H04N5/52 ,  H04N5/243

    Abstract: An automatic gain control system for television camera which has an amplifier circuit and a memory circuit for selecting the gain of the amplifier in response to a signal applied thereto. The memory circuit stores the signal selectively applied thereto with a manual switch.

    Abstract translation: 一种用于电视摄像机的自动增益控制系统，其具有放大器电路和存储电路，用于响应于施加到其上的信号来选择放大器的增益。 存储电路用手动开关存储选择性地施加到其上的信号。

    White balance control system
    2.
    发明授权
    White balance control system 失效
    白平衡控制系统

    公开(公告)号：US3627911A

    公开(公告)日：1971-12-14

    申请号：US3627911D

    申请日：1970-02-17

    Applicant: SONY CORP

    Inventor： KUBOTA YASUHARU ,  SHIONO TAKASHI

    IPC: H04N9/73 ,  H04N9/48

    CPC classification number: H04N9/735

    Abstract: A white balance control system which has two amplifiers for red and blue video signals, two memory circuits for selecting the gains of the amplifiers in response to signals applied thereto, and two comparator circuits for comparing a green video signal with the red and blue video signals, respectively. The compared signals are respectively applied to the memory circuits selectively.

    Phase shift control circuit
    9.
    发明专利
    Phase shift control circuit 失效
    相移控制电路

    公开(公告)号：JPS59152790A

    公开(公告)日：1984-08-31

    申请号：JP2563483

    申请日：1983-02-18

    Applicant: Sony Corp

    Inventor： ISOGAWA TOSHIAKI ,  SHIONO TAKASHI ,  NIIMURA TSUTOMU ,  SATOU JIYOUICHI ,  SATOU MITSURU

    IPC: H04N9/07 ,  H03H11/20 ,  H04N9/11

    CPC classification number: H03H11/20 ,  H04N9/11

    Abstract: PURPOSE:To obtain a simple phase control circuit suitable for circuit integration without requiring separately an amplifier and a phase shifter by operating a circuit as a mere amplifier at a time and a phase shifter at another time by means of a switching signal. CONSTITUTION:An index signal applied to a terminal 21 is fed to a base of transistors (TRs)Q1, Q2 connected differentially to a constant current source 22. The collector of the TRsQ1, Q2 is connected respectively to a TR of differential amplifiers 23, 24. An output of the differential amplifiers 23, 24 is controlled by a negative/positive switching signal applied to a terminal 31. Outputs S1, S2 of the differential amplifiers 23, 24 are in-phase at positive and the level is the same and the outputs S1, S2 are in-phase but different from the level at negative. Thus, an output signal being in-phase as the input signal is obtained at an output terminal 43 at positive (mere amplifier), and an output signal with phase correction is obtained at negative (phase shifter).

    Abstract translation: 目的：为了获得一种适合于电路集成的简单的相位控制电路，不需要单独地通过一个电路作为单个放大器和一个移相器在另一个时间通过一个开关信号来操作一个放大器和一个移相器。 构成：施加到端子21的索引信号被馈送到与恒定电流源22差分连接的晶体管（TR）Q1，Q2的基极。TRsQ1，Q2的集电极分别连接到差分放大器23的TR， 差分放大器23,24的输出由施加到端子31的负/正切换信号控制。差分放大器23,24的输出S1，S2同相为正，电平相同， 输出S1，S2是同相的，但是与负的电平不同。 因此，输出信号在正（单纯放大器）的输出端子43处获得输入信号同相的输出信号，并且在负（移相器）处获得具有相位校正的输出信号。

    Signal selecting circuit
    10.
    发明专利
    Signal selecting circuit 失效
    信号选择电路

    公开(公告)号：JPS59135929A

    公开(公告)日：1984-08-04

    申请号：JP1011383

    申请日：1983-01-25

    Applicant: Sony Corp

    Inventor： SATOU JIYOUICHI ,  SHIONO TAKASHI ,  NIIMURA TSUTOMU ,  ISOGAWA TOSHIAKI ,  SATOU MITSURU

    IPC: H03K17/62

    CPC classification number: H03K17/62

    Abstract: PURPOSE:To simplify the circuit constitution and to improve the performance by converting once an input signal current to a base-emitter voltage of a transistor (TR) and extracting the result to bring a switching voltage to a low level. CONSTITUTION:Resistors 431-44n are connected respectively to emitters of a pair of TRs 411-42n of switch circuits SW1-SWn extracting an input signal from input signal sources 401-40n to operate a pair of TRs 411-42n differentially. Further, TRs 461-46n and TRs 471-47n are connected between the collector of the TRs 411-44n and a power supply terminal +Vcc and a signal current is converted into the base-emitter voltage. Moreover, the base of TRs 481-48n whose emitters are connected in cmmon is connected between the TRs 411-42n and the TRs 361-36n, and similarly the base of the TRs 491-49n is connected to the emitter of the TRs 471-47n. Then, the switching voltage is brought into a low level to simplify the constitution of a signal selecting circuit.

    Abstract translation: 目的：为了简化电路结构并通过将输入信号电流转换为晶体管（TR）的基极 - 发射极电压并提取结果以将开关电压降至低电平来提高性能。 构成：电阻器431-44n分别连接到从输入信号源401-40n提取输入信号的开关电路SW1-SWn的一对TR 411-42n的发射极，以差分地操作一对TR 411-42n。 此外，TR 461-46n和TR 471-47n连接在TR 411-44n的集电极和电源端+ Vcc之间，信号电流被转换为基极 - 发射极电压。 此外，其发射极以cmmon连接的TR 481-48n的基极连接在TRs41-42n和TRs361-36n之间，类似地，TRs 491-49n的基极连接到TRs471-4n的发射极。 47N。 然后，将开关电压变为低电平，以简化信号选择电路的结构。

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