Multi-channel HDTV system
OF THE INVENTION Before describing the present invention in detail, it will be helpful to describe some properties of high definition television signals. FIG. 1 shows a coordinate system defined by t... Read More
Inventors: LeGall, Didier J.; Vetterli, Martin;, Assignee: Bell Communications Research, Inc. (Livingston, NJ) |
Stabilized noise shaper of a small scale having a suppressed quantization noise in high frequency region without deteriorating S/N ratio
Accordingly, it is an object of the present invention to provide a noise shaper which has overcome the above mentioned defect of the conventional ones. Another object of the present invention is to pr... Read More
Inventors: Okamoto, Toshiyuki;, Assignee: NEC Corporation (Tokyo, JP) |
Test system for optical disks
OF THE PREFERRED EMBODIMENTS In FIG. 2, the components which are similar to those of FIG. 1 bear the same reference numerals. The system comprises an encoder 21 for generating a pulse output accordin... Read More
Inventors: Mikuriya, Kenta; Ohya, Akira; Nakagawara, Minoru; Hirukawa, Hideo; Uehara, Shoji;, Assignee: Yokogawa Electric Corporation (Tokyo, JP) |