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US 2011/0210839 A1Published application
Visible in-vehicle laser beam projector providing variable projection region as function of vehicle speed
AssigneeDenso Corporation
InventorsSeiji Kawai, Yoshihisa Sato, Kenichi Mori, Hidehiko Kawakami, Tetsuya Enokizaka
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Abstract
A projector projects a visible laser beam onto a region of a vehicle compartment. A control unit controls a direction of projecting the visible laser beam to provide information to at least one occupant in the compartment. The control unit expands the region of an object to which the visible laser beam is projected when the seatbelt has been fastened.
Claims4
A visible laser beam projector comprising:
- a projector for projecting a visible laser beam onto a region of a vehicle compartment;
- and
- a control unit for controlling a direction of projecting the visible laser beam to provide information to at least one occupant in the compartment;
- wherein the control unit includes:
- seatbelt check means for checking whether a seatbelt of the vehicle has been fastened;
- and
- region expansion means for expanding said region of an object to which the visible laser beam is projected when the seatbelt check means determines that the seatbelt has been fastened.
4 more elements
Dependencies are inferred from the claim text.