Hewlett-Packard Development Company, L.p.

Grant K Garner

Masoud K Zavarehi

Thomas A Saksa

Roshan B Baliga

Bernard Jzexoia Avery

Printing of spatially-compressed digital image data using a single line of nozzles of a printhead having plural spaced-apart lines of nozzles to form a printed image without the spatial compression.

Digital image printing

Various embodiments for image pixel transformation are disclosed.

Image pixel transformation

A method of compensating in a projection system includes measuring a characteristic of ambient light incident on a screen; determining a gradient of the characteristic; and determining an adjustment to be applied to light to be projected using the gradient.

Determining an adjustment

Various embodiments for projection partitioning and aligning are disclosed.

Projection partitioning and aligning

A hand held inkjet pen includes a housing, an ink reservoir, an inkjet printhead and a spacer. The ink reservoir is located within the housing. The inkjet printhead is located toward a distal end of the housing, and includes a plurality of nozzles for ejecting ink received from the reservoir. The spacer is located at the distal end of the housing for contacting a media sheet. Force applied to the spacer selects an on state for controlling ejection of ink from the plurality of nozzles.

Growing community of inventors

Albany, OR, United States of America

Grant K Garner