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| Number | Title | Issue Date |
| 7239379 | Method and apparatus for determining a vertical intensity profile through a plane of focus in a confocal microscope An assembly is provided for the direct measurement of a vertical intensity profile through a plane of focus of a confocal microscope, a determination of a depth of the confocal plane and a maximum intensity of the intensity profile. The assembly includes a transpare... | 07/03/2007 |
| 7213343 | Dual axis single motor platform adjustments system An arrangement for use in a light beam projection device for adjusting an orientation of a projected light beam is disclosed. The arrangement comprises a base frame, a support platform adapted to set the orientation of the projected light beam, and a pivot member pi... | 05/08/2007 |
| 7155835 | Self-leveling laser alignment tool and method thereof which compensates for material stiffness of an included pendulum A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum pla... | 01/02/2007 |
| 7116697 | Laser level The present invention relates to laser leveling device suitable for construction. The present invention uses a standard low cost laser diode module as the laser source and optical system. A novel method is provided to align the non-collimated beam emitted from the s... | 10/03/2006 |
| 7050660 | Microfluidic detection device having reduced dispersion and method for making same A microfluidic detection device provides reduced dispersion of axial concentration gradients in a flowing sample. The microfluidic detection device includes a cell body and a flow path through the cell body. The flow path has an inlet segment, an outlet segment, and... | 05/23/2006 |
| 6938350 | Apparatus for producing a reference plane The present invention provides an apparatus and method for projecting a reference plane. The invention features emitting a light beam, splitting the light bean into two or more resulting beams, and converting the resulting beams into respective projected lines. The ... | 09/06/2005 |
| 6384913 | Active compensator damping in laser transmitters A laser transmitter is provided including a specialized compensator assembly damping mechanism. In accordance with one embodiment of the present invention, a compensator assembly position detector is arranged to detect a position X1 of the comp... | 05/07/2002 |
| 6339499 | Beam splitter for automatic focusing device A beam splitting optical system for an automatic focusing apparatus includes a telescopic system having an objective optical system and a viewing optical system, a beam splitter which splits object-carrying light transmitted through the objective optical ... | 01/15/2002 |
| 6088623 | System and method for leveling an apparatus A system and method for leveling an apparatus are provided. The position of the apparatus with respect to a pair of intersecting axes is determined by sensors positioned along each axis. The position of the apparatus is adjusted about a second set of axes... | 07/11/2000 |
| 5867263 | Laser survey instrument having a reflection light blocking means A laser survey instrument, which is arranged on an optical axis of an emitted polarized irradiation light beam and is provided with a reflection light blocking means for blocking an incident reference light having a polarizing member and a 1/4 wave birefr... | 02/02/1999 |
| 5844679 | System for adjusting the orientation of a plane of laser light A system for adjusting the orientation of a plane defined by a rotating laser beam from a laser transmitter is provided. The laser beam is swept across one or more targets having a plurality of sections. The targets each include a first reflective section... | 12/01/1998 |
| 5636018 | Laser beam survey instrument having a tiltable laser beam axis and tilt detectors According to the present invention, fixed tilt detectors are fixed in planes crossing perpendicularly to each other of shaft center of a laser projector, and tilting tilt detectors are mounted on a plate, which is tiltable with respect to shaft center of ... | 06/03/1997 |
| 5280387 | Image stabilizing apparatus An image stabilizing apparatus is disclosed comprising an imaging optical system for forming an image of a subject onto an imaging surface. A deflector has first and second liquid prisms disposed with a movable transparent plate therebetween, and a contro... | 01/18/1994 |
| 5218355 | Apparatus for projecting artificial horizon viewable by peripheral vision Apparatus for projecting an elongated light bar representing an artificial horizon on an interior surface of an aircraft cockpit in front of a pilot of the aircraft with respect to a reference datum line on the interior surface of the cockpit. A vertical ... | 06/08/1993 |
| 4974950 | Optical system for deflecting image An optical system comprising, from front to rear, a first lens group of positive power, a second lens group of negative power and a third lens group of positive power, wherein deflection of an image is made by parallel decentering the second lens group.... | 12/04/1990 |
| 4927250 | Optical system for compensating chromatic abherration of image An optical system comprises an image deflector having a variable refraction angle for forcibly moving an object image formed by an objective lens onto an image plane, and an aberration suppressor linked to the image deflector for suppressing a chromatic a... | 05/22/1990 |
| 4907882 | Surveying instrument for automatically taking measurements The surveying instrument contains a component part (1) for the optical imaging of a target and a camera (2) for the electronic acquisition of the image produced in the optical instrument part. A reference mark (20) is located in the optical part (1) of th... | 03/13/1990 |
| 4902130 | Laser ray projector and remote measuring device comprising at least two of these projectors A laser ray projector and remote measuring device comprising at least two of these projectors, wherein the measuring device comprises two laser ray projectors servo-controlled in position. Each of them comprises a spindle rotating through 180° in one dir... | 02/20/1990 |
| 4883347 | Stabilized pointing mirror A system is coupled to a pointing mirror (12) for stabilizing it and its line-of-sight (13) from three-dimensional rotational disturbances (ωi, ωj, ωk) exerted thereon. First and second two-degree-of-freedom dynamically... | 11/28/1989 |
| 4854703 | Laser beam levelling instruments A laser beam levelling instrument, which is not only intended to level but in which the laser beam is inclinable in two axes facing away from one another at right angles, has a self-levelling surveying plate at the lower end of a rotational shaft of the i... | 08/08/1989 |
| 4844602 | Optical system for deflecting image In the stabilized optical system against vibratory motions, a front lens unit restrained from movement in a direction perpendicular to the optical axis is followed rearwardly by a movable lens unit for decentering away from the optical axis to compensate ... | 07/04/1989 |
| 4776672 | Multi-paned polygonal lighthouse assembly with improved corner configuration A multiple pane lighthouse assembly in a reference laser beam projecting apparatus includes a plurality of transparent panes disposed in an arrangement that defines a transparent window structure which permits transmission of laser light therethrough and ... | 10/11/1988 |
| 4743903 | Peripheral vision artificial horizon device and associated methods An artificial horizon device producing a projected light bar perceivable with peripheral vision. The device includes a scanner assembly with a pair of rapidly movable scanning mirrors each selectively pivotal about respective mutually perpendicular axes. ... | 05/10/1988 |
| 4629321 | Grade setting and calibration arrangement for laser beam projection device An arrangement for use in a laser beam projection device for controlling the orientation of a support frame upon which a laser beam source is mounted includes a base frame, a support frame, and a pivot for mounting the support frame on the base frame. A l... | 12/16/1986 |
| 4616226 | Peripheral vision artificial horizon device and associated methods An artificial horizon device producing a projected light bar perceivable with peripheral vision.... | 10/07/1986 |
| 4469418 | Surveying method and apparatus A device for producing a plane of light includes a ring flash and/or halogen lamps mounted in a casing defining an inner peripheral aperture slot and an outer peripheral aperture slot coplanar with the inner slot. The device is used in surveying structure... | 09/04/1984 |
| 4468119 | Penta-prism module having laser alignment error detection and correction capability An apparatus and method of sweeping a substantially flat optical plane substantially perpendicular to an incident laser beam is disclosed. A penta-prism, optical detector and adjustment means are disposed in a housing adapted to be mounted on a rotatable ... | 08/28/1984 |
| 4397555 | Artificial horizon device The invention provides an artificial horizon device having a light source of limited power which can be positioned remotely from the aircraft cockpit. A scanning mechanism is mounted in the cockpit to receive light from the light source and to project a l... | 08/09/1983 |
| 4393597 | Stabilized sighting devices for vehicles A stabilized sighting device for use on a carrier comprises an outer unit mounted for rotation about a bearing axis which may be parallel to the yaw axis of the carrier. An intermediate unit is mounted for rotation on the outer unit about an elevation axi... | 07/19/1983 |
| 4382680 | Apparatus and process for sweeping a flat optical light plane A process and apparatus for sweeping a flat optical light plane perpendicular to a primary input laser beam for use in precise alignment applications includes rotatably mounting a penta prism onto a spindle such that the laser beam intersects the entrance... | 05/10/1983 |
| 4297031 | Apparatus and process for sweeping a flat optical light plane A process and apparatus for sweeping a flat optical light plane perpendicular to a primary input laser beam for use in precise alignment applications includes rotatably mounting a penta prism onto a spindle such that the laser beam intersects the entrance... | 10/27/1981 |
| 4291978 | Apparatus for automatically determining the position at which a beam of light impinges on a target A rotating target contains an appropriately shaped section of photoelectric material which detects the position of a beam of light which is incident on the target. The position of the beam is determined in terms of its distance from the center of rotation... | 09/29/1981 |
| 4260218 | Stabilized optical system with off-axis stabilizer Disclosed is a stabilized optical system, including a housing, an objective lens group mounted to the housing for collecting light from the image to be viewed, and an eyepiece lens group adjustably mounted to the housing for focusing the image at the eye ... | 04/07/1981 |
| 4172662 | Eyepiece for measurement of lengths and angles by a microscope An eyepiece for use on a microscope when lengths and angles are to be measured. Two glass plates extending perpendicular to the optical axis of the eyepiece are spaced axially from each other to form between them a chamber containing a steel ball which is... | 10/30/1979 |
| 4136962 | Apparatus for orienting and maintaining the orientation of construction equipment An apparatus for orienting and maintaining the orientation of laser and similar construction equipment in a predetermined orientation with respect to a horizontal plane comprises superimposed first, second and third support plates, each of which is prefer... | 01/30/1979 |
| 4087061 | Wide angle seeker A wide angle seeker for missile guidance systems and the like which utili a dual motion mirror in an optical transfer system to allow a missile sensor to be mounted in a stationary position in the missile body remote from the seeker.... | 05/02/1978 |
| 4062634 | System for controlling attitude of laser beam plane A system is disclosed for controlling the plane of a laser beam in either horizontal, vertical or selected grade angle attitudes. The system includes an assembly comprising a housing which carries the operative components in a water-tight enclosure. The l... | 12/13/1977 |
| 4015905 | Target sighting device An improved target sighting device of the type particularly suited for use on moving vehicles, such as military aircraft, and in which a vertically-disposed C-shaped elevation gimbal is supported for rotary movement about an elevation axis at the center o... | 04/05/1977 |
| 4013339 | Optical image stabilizing system In an optical instrument such as a camera or a telescope, a first optical component is mounted to a housing and an inertially stabilized second optical component for compensation is mounted on gimbals. The gimbals are provided with an electric motor which... | 03/22/1977 |
| 3997267 | Laser apparatus for projecting a narrow beam of light as a reference line Apparatus for providing a reference line for surveying, pipelaying and related purposes includes a laser source, means for automatically leveling the beam from the laser source, regardless of the orientation of the entire instrument, and means for deflect... | 12/14/1976 |
