公开(公告)号：US5369497A

公开(公告)日：1994-11-29

申请号：US955360

申请日：1992-10-01

申请人： Janet A. Allen ,  Guillermo S. Ferla

发明人： Janet A. Allen ,  Guillermo S. Ferla

IPC分类号： B41J2/44 ,  H04N1/23 ,  H04N1/405 ,  H04N1/387 ,  G01D9/42

CPC分类号： H04N1/4055

摘要： Printing apparatus and method particularly suited to provide a hardcopy of an image produced by medical imaging equipment or the like. The method produces an area modulation hardcopy having a large number of gray levels per area modulation cell (pixel) and a strong density sensitivity. Pixel areas are modulated in patterns consisting of pels which in turn are made up of subpels referred to as slices which are preferably added to minimum sized pels by pulse width modulating two different sized printing radiation beams.

摘要翻译： 特别适用于提供由医学成像设备等产生的图像的硬拷贝的打印设备和方法。 该方法产生每个区域调制单元（像素）具有大量灰度级数和强密度灵敏度的面积调制硬拷贝。 像素区域被调制成图案，该图案由像素组成，其又由被称为切片的子像素构成，优选地通过调制两个不同大小的印刷辐射束的脉冲宽度加到最小尺寸的像素上。

公开(公告)号：US5221971A

公开(公告)日：1993-06-22

申请号：US616786

申请日：1990-11-21

申请人： Janet A. Allen ,  Daniel P. Bybell ,  Dana F. Schuh ,  Jay E. Thornton

发明人： Janet A. Allen ,  Daniel P. Bybell ,  Dana F. Schuh ,  Jay E. Thornton

IPC分类号： A61B5/00 ,  H04N1/405

CPC分类号： H04N1/4055

摘要： Printing apparatus and method particularly suited to provide a hardcopy of an image which is produced by medical imaging equipment or the like. The apparatus produces hardcopy consisting of pixels whose size can be changed by area modulation to suit image tonal content and detail while still maintaining a large number of gray levels per area modulation cell (pixel). Preferably, the same area modulation patterns representing pixel tonal values are used for printing pixels of different sizes.

摘要翻译： 特别适用于提供由医学成像设备等制造的图像的硬拷贝的印刷装置和方法。 该装置产生由像素组成的硬拷贝，其尺寸可以通过面积调制改变以适应图像色调内容和细节，同时仍然保持每个区域调制单元（像素）的大量灰度级。 优选地，表示像素色调值的相同面积调制图案用于打印不同尺寸的像素。

公开(公告)号：US5075769A

公开(公告)日：1991-12-24

申请号：US138825

申请日：1987-12-28

申请人： Janet A. Allen ,  David B. Walker

发明人： Janet A. Allen ,  David B. Walker

IPC分类号： H04N11/04 ,  G07C9/00 ,  H04N1/64 ,  H04N9/64

CPC分类号： G07C9/00047 ,  G07C9/00079 ,  H04N1/646 ,  H04N9/64

摘要： A video identification system for producing photo print identification cards having subject portrait, subject signature and subject related data in respective areas of the card as well as a data record including individual-specific data, an image of the subject, and an image of the signature of the subject. A personal computer controls the system to produce the identification card and the data record. The system includes a frame grabber which grabs a frame by only storing the 768 active video samples of each line of an NTSC signal for two consecutive fields. System operation may not be initiated without first having a supervisor unlock the personal computer and input a particular password. Further, each additional system operator must input their particular identification number into the personal computer whereby system security is maintained.

摘要翻译： 一种视频识别系统，用于产生在卡的相应区域中具有主题肖像，主体签名和主题相关数据的照片打印识别卡，以及包括个人特定数据，主体图像和签名图像的数据记录 的主题。 个人计算机控制系统产生身份证和数据记录。 该系统包括帧抓取器，其通过仅存储NTSC信号的每行的768个活动视频样本来抓取帧，用于两个连续的场。 如果没有首先让管理员解锁个人计算机并输入特定密码，系统可能无法启动。 此外，每个附加的系统操作者必须将其特定的标识号输入到个人计算机中，从而保持系统的安全性。