Patent ID: 6832864
Filing Date: 2004-12-21
Classification: B41J

Abstract:
A printing apparatus for printing an image on a selected vertical surface of a fixed, permanent structure comprising:a support structure adapted to be attached to the fixed, permanent structure, the support structure including at least one horizontal member adapted to be supported generally parallel to the selected vertical surface; a marking engine including a print head for printing the image, the marking engine supported on the at least one horizontal member; a sensor mounted on the marking engine, movement of the marking engine allowing the sensor to collect mapping data of the selected vertical surface; a logic and control unit that stores coordinates representing the image and representing a map of the selected vertical surface and also instructs the motor to drive movement of the marking engine along the at least one horizontal member as well as telescoping and partial rotational movement of the printhead in accordance with the stored coordinates; and a motor for translating the marking engine along the at least one horizontal member.