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    VISUAL DEVICE
    2.
    发明专利
    VISUAL DEVICE 失效

    公开(公告)号：JPH0686192A

    公开(公告)日：1994-03-25

    申请号：JP23080092

    申请日：1992-08-31

    Applicant: SONY CORP

    Inventor： KAMAYA NAOKI ,  AKUTAGAWA TORU

    IPC: G02F1/13 ,  H04N5/64

    Abstract: PURPOSE:To provide a visual device by which the outside can be seen from the circumference of a video in case of emergency, etc., by an inexpensive constitution. CONSTITUTION:A plastic plate 3 of an outside face having an opaque part in a stripe pattern form, and a plastic plate 102 of an internal face are superposed, the plastic plate 102 of the internal face is possible to be moved right and left and the light quantity is adjusted by an inexpensive constitution controlling the deviation. As for the adjustment of light quantity, external light is excluded and a circumstance suitable for looking at the video of a video part 18 is provided by superposing the opaque part of the plastic plate 102 of the internal face on the transparent part of the plastic plate 3 of the outside face. By superposing the transparent part of the plastic plate 102 of the internal face on the transparent part of the plastic plate 3 of the outside face, external light is transmitted and a state that the outside can be seen in case of emergencey, etc., is made.

    ADAPTER FOR CAMERA
    4.
    发明专利
    ADAPTER FOR CAMERA 失效

    公开(公告)号：JP2001075161A

    公开(公告)日：2001-03-23

    申请号：JP2000223662

    申请日：2000-07-25

    Applicant: SONY CORP

    Inventor： KAMAYA NAOKI ,  YAMAKAWA KAZUO ,  UMEHARA KOREYUKI ,  MAMIYA HIROSHI ,  AKUTAGAWA TORU

    IPC: G03B15/00 ,  G03B11/00 ,  G03B17/12 ,  G03B17/56 ,  H04N5/225

    Abstract: PROBLEM TO BE SOLVED: To provide a video camera capable of easily and surely performing self-photographing and preventing a parallax from occurring. SOLUTION: In the video camera 1G, the grip part side of the right side surface of a nearly rectangular parallelopiped camera main body 2 is set as a VTR deck part 2b, and the camera 1G is equipped with an electronic view finder 3' on the upper side of a left side surface. A microphone is projectingly provided on the upper side of the front surface of the main body 2 and a cylindrical lens barrel 6 incorporating a photographing lens 5, etc., is projectingly provided on the left lower side. A photographing start/stop button 9 for self- photographing is provided on the right lower side of the front surface of the main body 2. The outer surface of the front lens of the photographing lens 5 of a lens barrel 6 is a half-mirror convex mirror 61. Thus, the figure of a photographer himself (herself) is reflected as a subject on the mirror 61 in the case of operating the button 9 on the front surface of the main body 2.

    6.
    发明专利
    失效

    公开(公告)号：JPH05232446A

    公开(公告)日：1993-09-10

    申请号：JP3357592

    申请日：1992-02-20

    Applicant: SONY CORP

    Inventor： AKUTAGAWA TORU

    IPC: G02F1/133 ,  G09G3/36 ,  H04N9/64

    Abstract: PURPOSE:To stabilize a cut-off point (dark part) and a white-peak point (bright part) and to stabilize picture element such as white balance. CONSTITUTION:Test picture elements 1R, 1G, and 1B of the same constitution with effective picture elements are provided outside the effective picture element area 1a of a color liquid crystal display panel 1, and photodetectors 2R, 2G, and 2B are provided corresponding to the test picture elements 1R, 1G, and 1B; and the test picture elements 1R, 1G, and 1B are supplied with specific test signals, and a driving signal which drives the effective picture element area 1a of this color liquid crystal display panel 1 is controlled with the output signals of the photodetectors 2R, 2G, and 2B.

    PHOTOGRAPHING DEVICE
    7.
    发明专利
    PHOTOGRAPHING DEVICE 审中-公开

    公开(公告)号：JP2003114371A

    公开(公告)日：2003-04-18

    申请号：JP2002237790

    申请日：2002-08-19

    Applicant: SONY CORP

    Inventor： KAMAYA NAOKI ,  YAMAKAWA KAZUO ,  UMEHARA KOREYUKI ,  MAMIYA HIROSHI ,  AKUTAGAWA TORU

    IPC: G03B15/00 ,  G02B7/08 ,  G03B17/40 ,  H04N5/225 ,  H04N5/238

    Abstract: PROBLEM TO BE SOLVED: To prevent such a situation that a part of a face is only photographed in self-photographing, because a photographer has not noticed that zooming is set at a telephoto side. SOLUTION: A self-photographing photographing start/stop button 9 for starting video-recording after moving a zoom lens constituted of a photographic lens 5, etc., toward a wide end side once in accordance with the first operation of depressing the button, and also, for stopping video-recording in accordance with the second depressing operation is arranged on the lower right side on the front surface of a camera main body 2. Then, in the case of photographing himself/herself while depressing the button 9 by his/her left thumb while making the lens barrel 6 side of a video camera 1A face this side, the zooming is shifted to the wide end once, thereafter, the video-recording is started. Thereby, every photographer can easily photograph himself/herself without fail.

    DRIVING CIRCUIT OF LIQUID CRYSTAL DISPLAY DEVICE
    8.
    发明专利
    DRIVING CIRCUIT OF LIQUID CRYSTAL DISPLAY DEVICE 失效

    公开(公告)号：JPH10171413A

    公开(公告)日：1998-06-26

    申请号：JP32886896

    申请日：1996-12-09

    Applicant: SONY CORP

    Inventor： YOSHINE HIROYUKI ,  AKUTAGAWA TORU ,  TAKAGI YUICHI

    IPC: G02F1/133 ,  G09G3/20 ,  G09G3/36 ,  H04N5/66

    Abstract: PROBLEM TO BE SOLVED: To supply video signals of good quality to a liquid crystal display device by preventing noise originated from sample-hold pulses from coming into video signals. SOLUTION: A timing generator 1 generates the start pulses whose phases are adjusted in relation to horizontal synchronizing signals. In a LCD driver 3, a SHP generating circuit 11 outputs sample-and-hold pulses 1-6 based on the above start pulses, and a sample hold circuit 12 supplies sample-held video signals to the LCD 4 based on the sample hold pulses SHP 1-6. And the LCD 4 is supplied with the video signals phase-adjusted against horizontal synchronizing signals.

    INVERSION PREVENTING CIRCUIT
    9.
    发明专利
    INVERSION PREVENTING CIRCUIT 失效

    公开(公告)号：JPH0537905A

    公开(公告)日：1993-02-12

    申请号：JP18870291

    申请日：1991-07-29

    Applicant: SONY CORP

    Inventor： AKUTAGAWA TORU ,  KANEKO MASAYASU

    IPC: H04N5/93

    Abstract: PURPOSE:To prevent the occurance of an oscillating state when an input level is reduced by boosting frequency whose inversion is to be compensated in accordance with the reduction of the input level so as to prevent the generation of a black inversion phenomenon. CONSTITUTION:A brightness FM signal is supplied to a soft limitter 11b through an adder 11a and a non-linear circuit 12 constituting an inversion preventing circuit 11. The circuit 12 has a characteristic for interrupting the passage of a low level signal. An output from the limiter 11b is supplied to a sine wave filter constituted of an adder 11c and a delay line 11d and an output from the filter is positively fed back to the adder 11a through an attenuator 11e. The delay time tauD of the delay line lid is set up so as to satisfy f = 1/2tauD. Thereby the frequency (f) can be boosted while gradually suppressing the gain of the lower side band wave of the input level in accordance with the drop of the input level and the generation of the black inversion phenomenon can be prevented without being influenced by excess compensation. When the input level is reduced, the oscillating state for interrupting the passage of the low level signal does not occur in a feedback loop, preventing the generation of a bad influence to an image or the like due to oscillation.

    Sample and hold circuit
    10.
    发明专利
    Sample and hold circuit 失效
    示例和保持电路

    公开(公告)号：JPS6148198A

    公开(公告)日：1986-03-08

    申请号：JP16974084

    申请日：1984-08-14

    Applicant: Sony Corp

    Inventor： AKUTAGAWA TORU

    IPC: G11C27/02

    CPC classification number: G11C27/026

    Abstract: PURPOSE:To shorten discharging time of a capacitor and to improve a follow- up characteristic for a large amplitude input signal by discharging the capacitor by electric current amplified by a transistor. CONSTITUTION:A base of the second transistor 4 is connected to the first electric current source, an emitter of the second transistor 4 is connected to the second electric current source and connected to an end of a holding capacitor 9. An output terminal 16 is connected to one end of the holding capacitor 9 and a collector of the second transistor 4 is connected to a reference electric potential point. Therefore, when input voltage is widely reduced the second transistor 4 is deeply forward-biased and discharging electric current of the holding capacitor 9 instantaneously flows into a reference electric potential point. For this reason, voltage of the holding capacitor 9 loyally follows input signal voltage.

    Abstract translation: 目的：缩短电容器的放电时间，并通过由晶体管放大的电流对电容器进行放电来提高大幅度输入信号的跟随特性。 构成：第二晶体管4的基极连接到第一电流源，第二晶体管4的发射极连接到第二电流源并连接到保持电容器9的一端。输出端子16被连接 到保持电容器9的一端，并且第二晶体管4的集电极连接到参考电位点。 因此，当输入电压大幅度降低时，第二晶体管4被深度正向偏置，并且保持电容器9的放电电流瞬间流入参考电位点。 为此，保持电容器9的电压忠实地遵循输入信号电压。

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