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1. 发明公开

EP0708554A3 Active pixel imaging device having a nondestructive readout structure 失效
标题翻译：具有有效像素的和非破坏性读出的结构的成像装置
公开(公告)号：EP0708554A3
公开(公告)日：1996-07-17
申请号：EP95307033.1
申请日：1995-10-03
申请人： AT&T Corp.
发明人： Ackland, Bryan David , Eid, El-Sayed Ibrarhim , Dickinson, Alexander George , Inglis, David Andrew
IPC分类号： H04N3/15
CPC分类号： H04N5/37452 , H04N5/374
摘要： The imaging pixel according to the present invention includes a floating gate pixel node capable of nondestructive readout and active source follower output circuitry suitable for combination with other like imaging pixels to form an imaging array.

2. 发明公开

EP0708554A2 Active pixel imaging device having a nondestructive readout structure 失效
标题翻译：有源像素成像设备具有非破坏性读出结构
公开(公告)号：EP0708554A2
公开(公告)日：1996-04-24
申请号：EP95307033.1
申请日：1995-10-03
申请人： AT&T Corp.
发明人： Ackland, Bryan David , Eid, El-Sayed Ibrarhim , Dickinson, Alexander George , Inglis, David Andrew
IPC分类号： H04N3/15
CPC分类号： H04N5/37452 , H04N5/374
摘要： The imaging pixel according to the present invention includes a floating gate pixel node capable of nondestructive readout and active source follower output circuitry suitable for combination with other like imaging pixels to form an imaging array.
摘要翻译：根据本发明的成像像素包括能够非破坏性读出的浮栅像素节点和适合于与其他类似成像像素组合以形成成像阵列的有源源极跟随器输出电路。

3. 发明公开

EP0707417A2 An active pixel image sensor 失效
标题翻译： Bildsensor mit aktiven Bildelementen
公开(公告)号：EP0707417A2
公开(公告)日：1996-04-17
申请号：EP95307023.2
申请日：1995-10-03
申请人： AT&T Corp.
发明人： Dickinson, Alexander George , Inglis, David Andrew , Ibrarhim Eid, El-Sayed
IPC分类号： H04N3/15 , H04N9/04
CPC分类号： H04N9/045 , H04N5/374 , H04N5/37457
摘要： An active pixel image sensor according to the invention includes multiple sensing elements (RD,GRN,BL) and active pixel circuitry (Q1,Q2,Q3) for controlling the capture and transfer of the video signals. The active pixel circuitry is shared by the multiple sensing elements. A plurality of the active pixel image sensors form an imaging array for imaging an object. Preferably, the imaging is in color.
摘要翻译：根据本发明的有源像素图像传感器包括用于控制视频信号的捕获和传送的多个感测元件（RD，GRN，BL）和有源像素电路（Q1，Q2，Q3）。有源像素电路由多个感测元件共享。多个有源像素图像传感器形成用于成像对象的成像阵列。优选地，成像是彩色的。

4. 发明公开

EP0696024A2 Method and device for driving a liquid crystal display 失效
标题翻译： Verfahren und Einrichtung zum Steuern einerFlüssigkristall-Anzeige
公开(公告)号：EP0696024A2
公开(公告)日：1996-02-07
申请号：EP95305042.4
申请日：1995-07-19
申请人： AT&T Corp.
发明人： Dickinson, Alexander George , Wong, Apollo , Kochanski, Gregory Peter
IPC分类号： G09G3/36
CPC分类号： G09G3/3622 , G09G3/3681 , G09G2310/06 , G09G2330/023
摘要： A passive liquid crystal display is enhanced by selectively applying low frequency signals to the columns of electrodes on the substrates sandwiching a liquid crystal, selectively applying high frequency signals to the rows of the electrodes so the first and second signals activate the liquid crystal at selected ones of said rows and columns, and passive storing the energy in capacitances exhibited by said rows at the high frequency with an inductor. The low frequency may be 10 to 20kHz and the high frequency 1 MHz or higher.
摘要翻译：通过选择性地将低频信号施加到夹持液晶的基板上的电极列，选择性地将高频信号施加到电极行，使得第一和第二信号激活所选择的液晶，来增强无源液晶显示器的所述行和列，并且用电感器将所述行中的所述行所呈现的电能中的能量无源地存储在高频中。低频可以是10到20kHz，高频率可以是1MHz或更高。

5. 发明公开

EP0685942A3 Low energy differential logic gate circuitry having substantially invariant clock signal loading 失效
标题翻译：逻辑差分门电路的低功耗和不变的负载上的时钟信号。
公开(公告)号：EP0685942A3
公开(公告)日：1996-07-03
申请号：EP95303627.4
申请日：1995-05-30
申请人： AT&T Corp.
发明人： Avery, Steven C. , Denker, John Steward , Dickinson, Alexander George , Kramer, Alan H. , Wik, Thomas Robert
IPC分类号： H03K19/173 , H03K19/00
CPC分类号： H03K19/0019 , H03K3/356026 , H03K3/356121 , H03K19/1738
摘要： An energy efficient logic gate circuit (11,12) design that provides a substantially constant load to a clock source (Φ 1 , Φ 2 ) regardless of logic signal inputs (IN 1 - IN ¯ 1 IN 2 - IN ¯ 2 ) to, or outputs from, the gate. The gate provides two complementary outputs (OUT 1, OUT ¯ 1, OUT 2, OUT ¯ 2 ) and utilizes cross-coupled transistors (17,18) to ensure that the outputs remain valid (complementary) after the logic inputs become invalid. Two logic blocks (15,16), each having a node coupling to the clock source and performing complementary logic functions, in combination with diodes (26,27) for recharging the outputs of the gate, present the constant load to the clock source.

6. 发明公开

EP0714134A1 Single-polysilicon CMOS active pixel 失效
标题翻译：爱因斯坦 - 多晶硅CMOS中的Aktiver像素
公开(公告)号：EP0714134A1
公开(公告)日：1996-05-29
申请号：EP95308119.7
申请日：1995-11-14
申请人： AT&T Corp.
发明人： Ackland, Bryan David , Eid, El-Sayed Ibrarhim , Dickinson, Alexander George , Inglis, David Andrew
IPC分类号： H01L27/146
CPC分类号： H01L27/14609 , H01L27/14643 , H01L31/1136
摘要： A method and apparatus for a single-polysilicon active pixel are disclosed. The single-polysilicon active pixel comprises a photo site located on a substrate for generating and storing charge carriers, the charge carriers being generated from photonic energy incident upon the photo site and semiconductor substrate, a photo gate, a transfer transistor and output and reset electronics. The gate of the transfer transistor and the photo gate are defined in a single layer of polysilicon disposed on the semiconductor substrate. The source of transfer transistor is a doped region of substrate, referred to as a coupling diffusion, which provides the electrical coupling between the photo gate and the transfer transistor. The coupling diffusion allows for the transfer of a signal stored in a photo site under the photo gate to the output electronics for processing.
The single-polysilicon active pixel may be operated by biasing the transfer transistor to the low operating voltage of the pixel, for example, 0 volts. By virtue of the structure of the single-polysilicon active pixel, this mode of operation results in the same timing as if the transfer transistor were clocked, but neither a clock nor the associated driving circuitry are required. However, there is little no tendency for image lag as occurs in double polysilicon active pixels when they are operated in a manner which avoids clocking the transfer gate.
摘要翻译：公开了一种用于单多晶硅有源像素的方法和装置。单个多晶硅有源像素包括位于衬底上的用于产生和存储电荷载流子的光电位置，电荷载流子是从入射到光电位置的半导体衬底，光栅，转移晶体管以及输出和复位电子。转移晶体管的栅极和光栅限定在设置在半导体衬底上的单层多晶硅中。转移晶体管的源是衬底的掺杂区域，被称为耦合扩散，其提供光栅和转移晶体管之间的电耦合。耦合扩散允许将存储在光栅下的照片位置的信号传送到输出电子器件用于处理。可以通过将传输晶体管偏置到像素的低工作电压（例如0伏）来操作单多晶硅有源像素。由于单个多晶硅有源像素的结构，这种操作模式产生与转移晶体管时钟相同的定时，但是不需要时钟和相关的驱动电路。然而，当双重多晶硅有源像素以避免传输门时钟的方式操作时，几乎没有发生图像滞后的趋势。

7. 发明公开

EP0661813A3 Diode coupled CMOS logic design for quasi-static resistive dissipation with multi-output capability 失效
标题翻译：设计二极管连接的CMOS逻辑准静态电阻损失和多输出能力。
公开(公告)号：EP0661813A3
公开(公告)日：1997-10-01
申请号：EP94309191.8
申请日：1994-12-09
申请人： AT&T Corp.
发明人： Avery, Steven C. , Dickinson, Alexander George , Gabara, Thaddeus John , Kramer, Alan H.
IPC分类号： H03K19/096
CPC分类号： H03K19/0019 , H03K19/0963
摘要： In CMOS logic circuitry powered by clock signals (C 1 , C 1 ¯ ) the addition of strategically placed diodes enables the circuits to behave in an adiabatic-like fashion.

8. 发明公开

EP0739092A1 Voltage comparator requiring no compensating offset voltage 失效
标题翻译： Keine kompensierende OffsetspannungbenötigendeSpannungsvergleicher
公开(公告)号：EP0739092A1
公开(公告)日：1996-10-23
申请号：EP96302504.4
申请日：1996-04-10
申请人： AT&T Corp.
发明人： Azadet, Kameran , Inglis, David Andrew , Dickinson, Alexander George
IPC分类号： H03K5/24 , H03F3/00
CPC分类号： H03K5/249 , H03F3/005
摘要： A method and apparatus is provided for comparing a first input voltage (V 1 ) to a second input voltage (V 2 ). In one embodiment of the invention, a first input voltage (V 1 ) is transformed into a first current flowing through a first transistor (3) and a second transistor (6). A second input voltage (V 2 ) is transformed into a second current flowing through the first transistor (3) while the first current continues flowing through the second transistor (6). A difference current is developed which represents the difference between the first current and the second current. An indicator signal is generated (at 9) which indicates the larger of the first and second input voltages based on the value of the difference current.
摘要翻译：提供了一种用于将第一输入电压（V1）与第二输入电压（V2）进行比较的方法和装置。在本发明的一个实施例中，第一输入电压（V1）被变换为流过第一晶体管（3）和第二晶体管（6）的第一电流。当第一电流继续流过第二晶体管（6）时，第二输入电压（V2）被变换为流过第一晶体管（3）的第二电流。开发出差分电流，其表示第一电流和第二电流之间的差。产生指示信号（在9处），其指示基于差电流的值的第一和第二输入电压中较大的一个。

9. 发明公开

EP0719048A2 Method and system for camera with motion detection 失效
标题翻译： Verfahren und Systemfüreine Kamera mit Bewegungsdetektion
公开(公告)号：EP0719048A2
公开(公告)日：1996-06-26
申请号：EP95308842.4
申请日：1995-12-06
申请人： AT&T Corp.
发明人： Dickinson, Alexander George , Salata, Jack Edward
IPC分类号： H04N7/18
CPC分类号： H04N5/76 , H04N5/374
摘要： A motion detection camera system which may be used as a security camera includes an active pixel imaging system (3) operable in a video and differential mode connected to a mode activation circuit (4) that controls the imaging system mode. In the video mode, the imaging system generates an output signal containing information of a viewed area on a frame by frame manner. In the differential mode, the imaging system generates a differential output signal containing information consisting of the differences in the viewed area between adjacent detected frames. Normally, the imaging system camera is operated in the differential mode. If no motion occurs in the viewed area, the corresponding differential output signal representing the interframe differences will have a constant signal level. Upon detecting that the differential output signal deviates by greater than a threshold level indicating motion in the viewed area, the mode activation circuit (4) causes the imaging system (3) to operate in its video mode. The corresponding generated video output signal of the imaging system is then provided to monitoring equipment, such as a video cassette recorder (2) for recording of the motion in the viewed area.
摘要翻译：可以用作安全摄像机的运动检测摄像机系统包括可操作的视频和差分模式的有源像素成像系统（3），其连接到控制成像系统模式的模式激活电路（4）。在视频模式中，成像系统逐帧生成包含观看区域的信息的输出信号。在差分模式中，成像系统产生差分输出信号，该差分输出信号包含由相邻检测帧之间的观看区域的差异组成的信息。通常，成像系统摄像机在差分模式下运行。如果在观看区域中没有运动，则表示帧间差异的对应的差分输出信号将具有恒定的信号电平。当检测到差分输出信号偏离大于阈值电平，指示所观看区域中的运动时，模式激活电路（4）使得成像系统（3）以其视频模式工作。然后将成像系统的相应的生成的视频输出信号提供给监视设备，诸如用于在观看区域中记录运动的录像机（2）。

10. 发明公开

EP0707416A2 Active pixel sensor and imaging system having differential mode 失效
标题翻译：有源像素传感器和具有差模的成像系统
公开(公告)号：EP0707416A2
公开(公告)日：1996-04-17
申请号：EP95307016.6
申请日：1995-10-03
申请人： AT&T Corp.
发明人： Dickinson, Alexander George , Inglis, David Andrew , Eid, El-Sayed Ibrarhim
IPC分类号： H04N3/15
CPC分类号： H04N5/374
摘要： In an active pixel imaging system and method to generate an differential output signal consisting of the differences in a viewed image between adjacent detected frames a buffered electrical charge storage capacity (110) of the active pixel sensor (35) is utilized to provide a system with reduced complexity and hardware requirements. In the imaging system, when a particular active pixel sensor is activated it generates a voltage signal (at 50) corresponding to a previous frame's detected light intensity before the pixel is reset to generate a voltage signal (at 50) corresponding to a present frame's detected light intensity. A differential output circuit (18) is used to generate a differential output signal based on these two generated voltage signals.
摘要翻译：在用于产生差分输出信号的有源像素成像系统和方法中，使用有源像素传感器（35）的缓冲电荷存储容量（110）来为相邻检测帧之间的观看图像中的差异提供系统降低了复杂性和硬件要求。在成像系统中，当特定的有源像素传感器被激活时，其在与像素被重置之前相对应的先前帧的检测光强度生成电压信号（在50处）以生成对应于检测到的当前帧的电压信号（在50处）光强度。差分输出电路（18）用于基于这两个生成的电压信号生成差分输出信号。

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