Back to results
US 11,300,409 B2Granted
Surveying instrument with optical stage compensating for temperature variations
AssigneeTrimble Inc.
InventorJohan von Matern
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a surveying instrument including a chassis, an optical system having an optical axis, a stage attached to the chassis and an optical component. The optical system may be adapted to receive and/or transmit light. The optical component is located at, or in proximity to, the optical axis. The received and/or transmitted light passes through the optical component. The stage includes an actuating member arranged to act on the optical component for movement thereof. The actuating member may be responsive to temperature so as to induce a displacement of the optical component relative to the chassis along the optical axis in response to a temperature change.
Claims20
A surveying instrument comprising:
- a chassis;
- an optical system having an optical axis, the optical system being adapted to receive or transmit light;
- an optical component located at said optical axis, the received or transmitted light passing through said optical component;
- and
- a stage attached to said chassis, the stage including an actuating member arranged to act on the optical component for movement thereof;
- said actuating member being responsive to temperature so as to induce a displacement of the optical component relative to the chassis along the optical axis in response to a temperature change;
- wherein actuation by the actuating member is caused by a mechanical deformation of the actuating member in response to said temperature change, thereby causing the displacement of said optical component;
- wherein the stage further comprises a movable part, the optical component being attached to the movable part and the actuating member being arranged to act on the movable part for movement thereof;
- and
- wherein the stage includes a base with a flexible section securely attached to the base of the stage, the movable part being an arm arranged to swing on said flexible section upon actuation by said actuating member.
7 more elements
A surveying instrument comprising:
- a chassis;
- an optical system having an optical axis, the optical system being adapted to receive and transmit light;
- an optical component aligned with said optical axis, the received and transmitted light passing through said optical component;
- and
- a stage attached to said chassis, the stage including an actuating member arranged to act on the optical component for movement thereof;
- said actuating member being responsive to temperature so as to induce a displacement of the optical component relative to the chassis along the optical axis in response to a temperature change;
- wherein actuation by the actuating member is caused by a mechanical deformation of the actuating member in response to said temperature change, thereby causing the displacement of said optical component;
- wherein the stage further comprises a movable part, the optical component being attached to the movable part and the actuating member being arranged to act on the movable part for movement thereof;
- and
- wherein the stage includes a base with a flexible section securely attached to the base of the stage, the movable part being an arm arranged to swing on said flexible section upon actuation by said actuating member.
7 more elements
A surveying instrument comprising:
- a chassis;
- an optical system having an optical axis, the optical system being adapted to receive or transmit light;
- an optical component aligned with said optical axis, the received or transmitted light passing through said optical component;
- and
- a stage attached to said chassis, the stage including an actuating member arranged to act on the optical component for movement thereof;
- said actuating member being responsive to temperature so as to induce a displacement of the optical component relative to the chassis along the optical axis in response to a temperature change;
- wherein actuation by the actuating member is caused by a mechanical deformation of the actuating member in response to said temperature change, thereby causing the displacement of said optical component;
- wherein the stage further comprises a movable part, the optical component being attached to the movable part and the actuating member being arranged to act on the movable part for movement thereof;
- and
- wherein the stage includes a base with a flexible section securely attached to the base of the stage, the movable part being an arm arranged to swing on said flexible section upon actuation by said actuating member.
7 more elements
Dependencies are inferred from the claim text.