Abstract: The invention provides a surveying instrument, which comprises a surveying instrument main unit having a machine reference point already known, a telescope unit installed on the surveying instrument main unit and for sighting a measuring point, a leveling unit for leveling the surveying instrument main unit, a laser pointer projecting unit for projecting a laser pointer beam in a downward direction along a vertical axis of the surveying instrument main unit and for performing distance measurement, a rotation driving unit for rotating the telescope unit in a direction as desired, a horizontal angle detecting unit for detecting a horizontal angle of the surveying instrument, main unit, a vertical angle detecting unit for detecting a vertical angle of the telescope unit, a tilt angle detecting unit for detecting a tilt angle of the surveying instrument main unit, and a control device, wherein the control device calculates relative space coordinates of the machine reference point of the surveying instrument main

Abstract: A measuring device includes a base unit, a rotational unit rotatably provided on the base unit, a fluid container secured in the base unit, containing fluid forming a free surface, a light emitting system secured in the rotational unit to emit light to the free surface in the fluid container, a light receiving system secured in the rotational unit, including a light receiving element to receive the light reflected by the free surface and generate a light receiving signal, and an arithmetic controller which controls the light emitting system and the light receiving system and calculates a tilt of a rotational axis of the rotational unit according to the light receiving signal of the reflected light from the light receiving element.

Abstract: The invention provides a surveying instrument, comprising a frame unit rotatable in a horizontal direction, a telescope unit as mounted rotatably in a vertical direction on the frame unit and further for sighting an object to be measured, a horizontal driving unit for rotating and driving the frame unit in a horizontal direction, a vertical driving unit for rotating the telescope unit in a vertical direction, a horizontal angle measuring unit for detecting a horizontal angle of the frame unit, a vertical angle measuring unit for detecting a vertical angle of the telescope unit and a control device, wherein the control device is adapted to calculate a solar altitude at a time moment by setting up coordinates of where the surveying instrument is installed and the time moment, and to make the telescope unit to set to the solar altitude as calculated by controlling the vertical driving unit, to control the horizontal driving unit, to execute searching of the sun by horizontally rotating the frame unit at the sola

Abstract: The invention provides a surveying instrument comprising a frame unit rotatable in a horizontal direction, a telescope unit as mounted rotatably in a vertical direction on the frame unit, a driving unit for rotating and driving the frame unit and the telescope unit, a horizontal angle measuring unit for detecting a horizontal angle of the frame unit, a vertical angle measuring unit for detecting a vertical angle of the telescope unit and a control device, wherein the telescope unit has a telescope for sighting an object to be measured and a wide angle camera having a wider field angle than the telescope and for acquiring an image in a sighting direction, wherein the wide angle camera is set so that a sighting position of the sun is on a photodetection element and the sighting position of the sun is at a known position deviated from a field of view of the telescope, wherein the control device detects an image of the sun and a center of the image of the sun from an image acquired by the wide angle camera and co

Abstract: The invention provides a surveying instrument, which comprises a surveying instrument main body and a remote control operation unit being attachable to and detachable from the surveying instrument main body and capable of communicating with the surveying instrument main body, wherein the surveying instrument main body has a telescope unit for sighting a measuring point, a laser pointer irradiating unit for irradiating a laser pointer beam running in parallel to or on the same axis as an optical axis of the telescope unit, a rotation driving unit for rotating the telescope unit in any direction as desired, an angle detector for detecting an angle measuring value, and a main body control unit for controlling the rotation driving unit to direct the telescope unit in a predetermined direction, wherein the remote control operation unit has an operation button, a directional angle sensor and a vertical sensor, the angle measurement value is transmitted to the remote control operation unit by pressing the operation

Abstract: The invention provides a surveying instrument capable of performing a non-prism measurement comprising a laser pointer for projecting a laser pointer beam, a measuring unit for emitting a distance measuring light via a telescope unit, for performing distance measurement on a measuring point by receiving a reflected light and for measuring an angle of the measuring point, an image pickup unit for acquiring an image including a target via the telescope unit, a tracking unit for emitting a tracking light via the telescope unit and for tracking the target by receiving a reflection light from the target, a driving unit for rotating the telescope unit in horizontal direction and in vertical direction and a control device for controlling the driving unit so that the reflection light of the tracking light from the target will be positioned at a predetermined position on an image pickup element of the image pickup unit, wherein an optical axis of the distance measuring light and an optical axis of the tracking light a

Abstract: The invention provides a measuring method for performing monitoring measurement on two or more objects to be measured by a measuring instrument, which comprises a telescope unit for sighting an object to be measured, a distance measuring unit for projecting a distance measuring light through the telescope unit and for measuring a distance to the object to be measured, an image pickup unit for taking an image by projecting a sighting light in sighting direction and for acquiring digital image, an angle detecting unit for detecting a directional angle in sighting direction of the telescope unit and an automatic sighting unit for carrying out automatic sighting on the object to be measured by the telescope unit, comprising a step of setting up a searching range, a light amount switch-over step of switching over a light amount of projected sighting light to a light amount for a short distance or for a long distance, a short distance searching step of searching the searching range as the light amount for short dis

Abstract: The invention provides a measuring method for performing monitoring measurement on two or more objects to be measured by a measuring instrument, which comprises a telescope unit for sighting an object to be measured, a distance measuring unit for projecting a distance measuring light through the telescope unit and for measuring a distance to the object to be measured, an image pickup unit for taking an image in sighting direction and for acquiring a digital image, an angle detecting unit for detecting a directional angle in the sighting direction of the telescope unit, and an automatic sighting unit for making the telescope unit perform an automatic sighting to the object to be measured, comprising a step of rotating the telescope unit in horizontal direction and in vertical direction and of scanning a predetermined range being set up so as to include two or more objects to be measured, a step of acquiring digital images at a predetermined time interval so that there are two or more images which include the s

Abstract: A survey setting point indicating device comprises a prism device 5 and a support member, and in the survey setting point indicating device, said prism device comprises a laser emitting device 16 for emitting a laser beam 17, an omnidirectional prism 9 having a cavity 14 in a center, a mirror 18 which is provided in said cavity, is rotatable about two axes crossing at right angles, and can deflect, in an arbitrary direction, said laser beam emitted from said laser emitting device, and a control unit 19 for controlling a posture or a rotation of said mirror, and said support member supports said prism device, and said laser beam is configured to attach (transfer) a position of a center of said prism device to a required surface.

Abstract: A survey setting point indicating device comprises a support member 3 which can be tilted with respect to a vertical direction, a connecting member which can be freely tilted with respect to the support member and hangs vertically downward by gravity, a laser pointer 7 which is provided at a lower end of the connecting member, is concentric with an axis of the connecting member and emits a laser beam vertically downward, and a reflector 5 provided such that the axis of the connecting member passes through a center of the reflector.

Abstract: A survey setting point indicating device comprises a support member 3 which can be tilted with respect to a vertical direction, a connecting member which can be freely tilted with respect to the support member and hangs vertically downward by gravity, a laser pointer 7 which is provided at a lower end of the connecting member, is concentric with an axis of the connecting member and emits a laser beam vertically downward, and a reflector 5 provided such that the axis of the connecting member passes through a center of the reflector.

Abstract: A survey setting point indicating device comprises a prism device 5 and a support member, and in the survey setting point indicating device, said prism device comprises a laser emitting device 16 for emitting a laser beam 17, an omnidirectional prism 9 having a cavity 14 in a center, a mirror 18 which is provided in said cavity, is rotatable about two axes crossing at right angles, and can deflect, in an arbitrary direction, said laser beam emitted from said laser emitting device, and a control unit 19 for controlling a posture or a rotation of said mirror, and said support member supports said prism device, and said laser beam is configured to attach (transfer) a position of a center of said prism device to a required surface.

Abstract: A surveying apparatus that is capable of automatic collimation based on an image obtained from an imaging device, which enables carrying out automatic collimation without using angle detectors, even when a telescope is rotating.

Abstract: An auto focusing mechanism is provided in a surveying instrument, such as an electronic level, that is capable of automatically focusing a telescope on a sighted staff. As a focusing lens (21b) is moved by a motor (41) along the optical axis of a telescope (20), the image of a staff (1) sighted by the telescope (20) is converted into an electrical signal by a line sensor (24). The output signal of the line sensor (24) is converted into a digital signal by an A/D converter (27) and stored in a RAM (28). Based on the data stored in the RAM (28), a microcomputer (3) monitors frequencies of the component signals, or wavelets, contained in the output signal of the line sensor (24) stored in the RAM (28). When a particular frequency of the output signal associated with the position of the focusing lens (21b) is detected a determination is made that the focusing lens (21b) is located at a focusing position, and the distance from the telescope (20) to the staff (1) is calculated.

Abstract: [Problem] In a surveying instrument that automatically tracks or collimates a target, the target that is moved to a measurement point and is placed there can be found in the shortest possible time. [Solution Means] In a survey system made up of a target (60) and a surveying instrument (50) that automatically tracks or collimates the target, the target is provided with a direction angle sensor (86) that measures a surveying-instrument direction angle (?ta, ?tb) obtained when the target is directed toward the surveying instrument, whereas the surveying instrument is provided with a horizontal angle measuring portion that measures a target direction angle (?sa, ?sb, ?sc) indicating the direction of the target. An estimated target direction angle (?sb) is calculated from an angular difference (?o) between the surveying-instrument direction angle (?ta) and the target direction angle (?sa) obtained at the last measurement and from the surveying-instrument direction angle (?tb) obtained at the present measurement.

Abstract: A survey system is made up of a target and a surveying instrument provided with an automatic collimator that automatically collimates the target. The target includes a guide light transmitter that emits guide light, an azimuth angle sensor that detects a direction angle (?A, ?B) at which the target is directed, and a central processing unit that sends a rotation command, which includes the rotational direction of the instrument body, to the surveying instrument. The central processing unit determines the rotational direction of the instrument body based on an angular difference (?B-?A) between a direction angle (?A) obtained when the target is caused to approximately face the surveying instrument at the last measurement and a direction angle (?B) obtained when the target is caused to approximately face the surveying instrument at the present measurement.

Abstract: A surveying apparatus that is capable of automatic collimation based on an image obtained from an imaging device, which enables carrying out automatic collimation without using angle detectors, even when a telescope is rotating.

Abstract: [Problem] In a surveying instrument that automatically tracks or collimates a target, the target that is moved to a measurement point and is placed there can be found in the shortest possible time. [Solution Means] In a survey system made up of a target (60) and a surveying instrument (50) that automatically tracks or collimates the target, the target is provided with a direction angle sensor (86) that measures a surveying-instrument direction angle (?ta, ?tb) obtained when the target is directed toward the surveying instrument, whereas the surveying instrument is provided with a horizontal angle measuring portion that measures a target direction angle (?sa, ?sb, ?sc) indicating the direction of the target. An estimated target direction angle (?sb) is calculated from an angular difference (?o0) between the surveying-instrument direction angle (?ta) and the target direction angle (?sa) obtained at the last measurement and from the surveying-instrument direction angle (?tb) obtained at the present measurement.

Abstract: To provide means for correctly and quickly detecting the focusing lens of an auto focusing mechanism located at its focusing position. MEANS FOR CARRYING OUT THE INVENTION In the process of moving a focusing lens (21b) by a motor (41) along the optical axis of a collimating optical system (telescope (20)), the image of a staff (1) sighted by the telescope (20) is converted into an electric signal by a line sensor (24). The output signal of the line sensor (24) is further converted into a digital signal by an A/D converter (27) and stored in a RAM (28). Based on the data stored in the RAM (28), a microcomputer (3) monitors frequencies of the component signals, or wavelets, contained in the output signal of the line sensor (24) stored in the RAM (28).

Abstract: [Problem] In a surveying instrument that swiftly finds a target by emitting guide light from the target side and that has shortened the time required for automatic collimation as much as possible, the time required for automatic collimation is shortened as much as possible without increasing a burden imposed on an operator. [Solution Means] In a survey system made up of a target (60) and a surveying instrument (50) provided with an automatic collimator that automatically collimates the target, the target includes a guide light transmitter that emits guide light, an azimuth angle sensor (86) that detects a direction angle (?A, ?B) at which the target is directed, and a central processing unit that sends a rotation command, which includes the rotational direction of the instrument body, to the surveying instrument.