JPH05236339

• Main Authors: KITANO OSAMU, NAKAMURA YOSHIO
• Format: Patent
• Language: English
• Published: 10.09.1993
• Edition: 5
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

PURPOSE:To easily detect even a black or white dot out of a range equivalent to the reduced part of a video signal by multiplying the video signal by the ratio between an input video signal and a prescribed input level for each synchronizing signal of a processor. CONSTITUTION:An A/D converter 13 co...