Patent ID: 6952880

Claim:
A device, comprising: a positional sensor mounted in a housing and adapted to sense the housing position as the housing is moved along a surface; a printhead mounted in the housing and adapted to print on the surface as the housing is moved along the surface; a controller mounted in the housing and communicating with the positional sensor and the printhead, the controller adapted to operate the printhead to print on the surface based on housing position as the housing is moved along the surface; and an interface mounted on the housing and communicating with the controller, the interface including an input configured for operation by a user to record at least one housing position, the housing having a side adapted to be oriented substantially parallel with the surface as the housing is moved along the surface, the positional sensor communicating with the side of the housing through a first opening and the printhead communicating with the side of the housing through a second opening, the controller adapted to store the at least one housing position as a measurement when the input of the interface is operated by the user.