Target device and surveying system
AssigneeTopcon Corporation
InventorYou Sasaki
Life of this patent
Estimating the term…
Abstract
A target device 20 includes: a prism 22 configured to reflect light incident on the prism in a direction identical to a direction of incidence of the light; a support part 21 configured to support the prism 22; and a plurality of direction indicators 23 formed on the prism 22 to indicate a direction of the prism. A surveying system 1 includes the target device 20 attached to a camera 11 of a UAV 10, and a surveying device 3 surveying the prism 22 as a target and taking a target image Tp including the prism 22 to detect the orientation of the UAV 10 based on the direction indicators 23 appearing in the target image.
Claims8
A target device to be surveyed, the device comprising:
- a reflector configured to reflect light incident on the reflector in a direction identical to a direction of incidence of the light, wherein the reflector comprises a bottom surface with sides;
- a support part configured to support the reflector;
- and
- a direction indicator formed on each of the sides to indicate a direction of the reflector, wherein each of the direction indicators are distinguished from one another based on appearance, and wherein
- the reflector is a polyhedron prism.
A target device to be surveyed, the device comprising:
- a reflector configured to reflect light incident on the reflector in a direction identical to a direction of incidence of the light;
- a support part configured to support the reflector;
- and
- a plurality of direction indicators formed on the reflector or the support part to indicate a direction of the reflector, wherein
- the reflector is a polyhedron prism, and the direction indicators are respectively formed on apexes of the polyhedron prism.
A surveying system for surveying a target device comprising:
- a surveying instrument configured to collimate a reflector of the target device to survey a location of the reflector, the reflector comprising a bottom surface with sides;
- a target imager oriented in a direction identical to a direction of collimation of the surveying instrument, the target imager being configured to take a target image including the reflector;
- and
- an orientation detector configured to detect an orientation of the target device based on a direction indicator formed on each of the sides of the reflector to indicate a direction of the reflector appearing in the target image, wherein each of the direction indicators are distinguished from one another based on appearance.
A target device to be surveyed, the device comprising:
- a reflector configured to reflect light incident on the reflector in a direction identical to a direction of incidence of the light;
- a support part configured to support the reflector;
- and
- a plurality of direction indicators formed on the reflector or the support part to indicate a direction of the reflector, wherein
- the direction indicators are distinguished from each other based on appearances of the direction indicators to indicate the direction of the reflector, and wherein the reflector is a polyhedron prism, and the direction indicators are respectively formed on apexes of the polyhedron prism.
Dependencies are inferred from the claim text.