Asymmetric spatial filtering for pulsed imaging, pulse width modulation raster output scanner with tri-level exposure
Номер патента: CA2130428C
Опубликовано: 16-11-1999
Автор(ы): Anthony Ang, Chye S. Tan
Принадлежит: Xerox Corp
Опубликовано: 16-11-1999
Автор(ы): Anthony Ang, Chye S. Tan
Принадлежит: Xerox Corp
Реферат: A pulsed imaging Raster Output Scanner utilises pulse width modulation in conjunction with asymmetric spatial filtering to prevent overshoot of the intensity and maintain precise intensity levels into the other exposure levels.
Correction of pulse width accumulator based on the image type being printed
Номер патента: US20030035134A1. Автор: Santiago Rodriguez. Владелец: Hewlett Packard Co. Дата публикации: 2003-02-20.