Manual imaging device

Details Manual imaging device Manual imaging device

2005-09-13

2005-09-13

Chau, Minh (Department: 2854)

Typewriting machines

Pocket typewriter

C400S061000, C400S070000, C347S109000

Reexamination Certificate

active

06942402

ABSTRACT:
An embodiment of a manual printer is particularly well suited for forming images on the surface of uneven objects. The embodiment of the manual printer includes a microprocessor for controlling its operation. Image data is stored in RAM and the firmware for controlling the operation of the microprocessor is stored in ROM. A print head interface generates drive signals for a print head using data received from the microprocessor. A signal is generated by an emitter. A receiver in the manual printer receives the signal. The signal includes an x-component, a y-component, and a z-component. The microprocessor determines the position of the manual printer with respect to a reference location using the components of the signal. A distance sensor in the manual printer measures the distance of the print head from the surface of the object. A tilt sensor in the manual printer measures an angle between a longitudinal axis in the manual printer and the surface of the object. An acceleration sensor in the manual printer measures the acceleration resulting from movement by a user. A display in the manual printer allows the user to preview and select images for performing an imaging operation. A user begins forming an image by depressing a button while moving the manual printer over the surface of the object. If the microprocessor determines that position, distance, angle, and acceleration are within allowable limits, ink is ejected from the print head to form the image.

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