A method and apparatus for printing stroke and contone data together are provided in which data to be printed (102) is identified by a processor (100) as being either stroke or contone data. For contone data, processor (100) controls a light source (14), a spatial light modulator (12), and an optical...http://www.google.com.hk/patents/US5459492?utm_source=gb-gplus-share專利 US5459492 - Method and apparatus for printing stroke and contone data together
