Claims
- 1. A laser survey instrument for forming a laser reference plane in a plane with a preset tilt with respect to at least in one direction, said laser survey instrument comprising:
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector to the preset tilt;
- a detecting means for identifying orientations of the instrument with respect to a predetermined direction;
- a rotating means for rotating the instrument; and
- a control means for controlling said rotating means to rotate the instrument based on the identification of said detecting means, and controlling said tilting means to tilt said laser projector to the preset tilt.
- 2. A laser survey instrument for forming a laser reference plane in a plane with a preset tilt with respect to at least in one direction, said laser survey instrument comprising:
- a rotatable instrument;
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector to the preset tilt angle;
- a detecting means for identifying the orientation of the instrument with respect to a predetermined direction;
- a display means for displaying orientations of the instrument with respect to a predetermined direction; and
- a control means for displaying said orientations of the instrument with respect to said predetermined direction on said display means, controlling said tilting means based on the identification of said detecting means, and tilting the laser projector so as to correspond to the preset tilt.
- 3. A laser survey instrument according to claims 1 or 2, wherein an object reflector is positioned in said predetermined direction, said detecting means comprises a position discrimination means for detecting an irradiating direction of the laser beam and a tilting direction of said laser projector and a photoreceiving means for receiving the laser beam from said object reflector, wherein the orientation of the instrument is identified by the photoreceiving result of said photoreceiving means.
- 4. A laser survey instrument for forming a laser reference plane corresponding to an arbitrary tilt to be set with respect to at least in one direction, said laser survey instrument comprising:
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector to the tilt to be set;
- a detecting means for identifying orientations of said laser projector and orientations of said instrument with respect to a predetermined direction;
- a rotating means for rotating the instrument; and a control means for controlling the orientation of the instrument by said rotating means based on the identification of said detecting means, controlling said tilting means, and tilting said laser projector to the arbitrary tilt to be set.
- 5. A laser survey instrument for forming a laser reference plane in a plane with a preset tilt with respect to at least in one direction, said laser survey instrument comprising:
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector to the preset tilt angle;
- a detecting means for identifying orientations of said laser projector and the orientation of said instrument with respect to a predetermined direction;
- a display means for displaying the orientation of said laser projector and the orientation of said instrument with respect to a predetermined direction; and
- a control means for displaying said orientation of the laser projector and said orientation of the instrument with respect to a predetermined direction on said display means based on the identification of said detecting means.
- 6. A laser survey instrument according to claims 4 or 5, wherein an object reflector is positioned in said predetermined direction, said detecting means comprises a photoreceiving means for receiving the laser beam from said object reflector, and the orientation of said laser projector with respect to said object reflector is identified based on the detection result of said photoreceiving means.
- 7. A laser survey instrument for tilting at least in one direction of two directions perpendicular to each other and forming a tilted laser reference plane, said laser survey instrument comprising:
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector to an arbitrary tilt to be set;
- a detecting means for identifying a deviation in orientations of said laser projector with respect to a predetermined direction;
- a rotating means for rotating the instrument; and
- a control means for controlling said rotating means to rotate the instrument based on the identification of said detecting means, and controlling said tilting means to tilt said laser projector to the arbitrary tilt to be set.
- 8. A laser survey instrument for forming a tilted laser reference plane corresponding to a tilt setting obtained by tilt presetting at least in one direction of two directions perpendicular to each other, said laser survey instrument comprising:
- a laser projector having a light source to emit a laser beam and for irradiating and rotating the emitted laser beam;
- a supporting mechanism for tiltably supporting said laser projector at least in one direction of the instrument;
- a tilting means for tilting said laser projector so as to correspond to the preset tilt;
- an object reflector positioned in a predetermined direction away from the instrument;
- a detecting means for identifying a deviation in orientations of the instrument by a reflected light from said object reflector;
- a rotating means for rotating the instrument; and
- a control means for controlling said rotating means to rotate the instrument based on the identification of said detecting means, and controlling said tilting means to tilt said laser projector to the preset tilt.
- 9. A laser irradiating method for forming a laser reference plane in a plane with a preset tilt with respect to at least in one direction, which comprises:
- irradiating and rotating a laser beam emitted by a light source with a light axis on a plane perpendicular to said light axis so as to form a reference plane;
- identifying a deviation in orientations of the instrument with respect to a predetermined direction by scanning said laser beam within said reference plane;
- rotating the instrument toward said predetermined direction; controlling the rotation in such manner that the orientation of the instrument is correspondent to said predetermined direction based on the identification; and
- forming a reference plane by means of tilting the light source at a preset tilt in said predetermined direction and controlling the light source.
Parent Case Info
This application is a continuation of U.S. Ser. No. 09/014,181 filed Jan. 27, 1998, which is a divisional of U.S. Ser. No. 08/598,322 filed Feb. 8, 1996, now U.S. Pat. No. 5,784,155.
US Referenced Citations (10)
Foreign Referenced Citations (1)
Number |
Date |
Country |
6-258830 |
Sep 1994 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
598322 |
Feb 1996 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
014181 |
Jan 1998 |
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