Resources Contact Us Home
Ink mist type high speed printer

Image Number 3 for United States Patent #4013004.

A conductive shield board for protecting an aperture board from discharge is mounted between a positive electrode and said aperture board in an ink mist type high speed printer.The ink mist type printer operates on the principle that an ion stream modulated by an aperture board according to the pattern of the character to be printed, charges the ink mist, which is then attracted by an electric field, to the surface of the paper. However, a high potential on a positive electrode for generating said ion stream sometimes causes an undesirable discharge between the positive electrode and the aperture board.In order to avoid said undesirable discharge, a conductive shield board is inserted between the positive electrode and the aperture board.

  Recently Added Patents
Polyfunctional sulfur-containing epoxies and compositions thereof
Error scanning in flash memory
Movable assemblies for an image reader unit and a cover unit in an image formation apparatus
Antimicrobial polysiloxane materials containing metal species
System and method for document orientation detection
Method and system for encrypting data in a wireless communication system
Battery loading and unloading mechanism
  Randomly Featured Patents
Business card reader with a replaceable charging cradle
Recycle of hydrogenated sulfur plant tail gas to sour gas scrubbing system
Process and device for measuring the thickness of a transparent material using a modulated frequency light source
Recording medium including patterned tracks and isolation regions
Optical device for measuring the turbidity of a liquid
Container for fertilization of human ovocytes in the absence of CO.sub.2 -enriched air
Apparatus for the percutaneous marking of a lesion
Apparatus for recording digital still image signals and analog still image signals in respective recording areas
Acoustic agglomeration to reduce fouling in thermal conversion processes
Optical disk apparatus for detecting error readings of a track address in MCAV format