Class 356/139 - Plural scales or different portions of same scale simultaneously observable

Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter including means whereby two different angle
No. of patents: 33
Last issue date: 01/03/2012

Number	Title	Issue Date
8089621	Tilt sensor A tilt sensor capable of detecting more diverse orientations is to be provided. The tilt sensor includes a light emitting element and a plurality of photodetectors, a rolling element, and a hollow portion that accommodates the rolling element so as to allow the roll...	01/03/2012
8077303	Rotation and differential angle optical sensor with short optical sensing array A sensor may simultaneously sense the angular position of a first rotatable member relative to a frame of reference and the angular position of a second rotatable member relative to the first rotatable member up to a maximum displacement angle. The sensor may includ...	12/13/2011
7738087	Stereoscopic targeting, tracking and navigation device, system and method A measurement system with a minimum of 2 sensors that identifies precise locations of remote objects. The sensors measure the elevation and azimuth angles to the target using the electro-magnetic radiation that is either intentionally or incidentally reflected off o...	06/15/2010
7561261	Ladar stream formatting and processing method A Lasar Stream format is provided which is a logical structure that encapsulates Ladar sensor data generated by a Ladar sensor. The data is packaged into message structures for transmission over a transport medium. The messages form a data stream and when the messag...	07/14/2009
7414241	Laser device A laser device includes a virtual source configured to aim laser energy that originates from a true source. The virtual source has a vertical rotational axis during vertical motion of the virtual source and the vertical axis passes through an exit point from which t...	08/19/2008
7411660	Laser straight ruler and method for measuring distance and projecting line using the straight ruler A laser straight ruler having a main body and a beam scanner installed on the main body. A laser beam is scanned to form a beam spot on an object. A position sensing device receives a laser beam reflected by the object and senses a position of the beam spot. A signa...	08/12/2008
7352339	Diffuse illumination systems and methods The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the diffusion angle of light generated by an LED system. To vary the diffus...	04/01/2008
7331114	Magnetic compass structure A simple self-contained, hand-held instrument for reading an azimuth or bearing in relation to the earth's magnetic field either out in the field or on the water with substantial accuracy. Means are provided that places the far object into the same focal plane (or f...	02/19/2008
7291832	Optical encoders for position measurements Systems and methods are disclosed for providing position measurement information. For example, in accordance with one embodiment of the present invention, a multiple-pitch grating is disclosed which is adapted to receive one or more laser beams and provide an output...	11/06/2007
7241990	Laser device A laser device includes a target position, an optical component separated a distance J from the target position, and a laser energy source separated a distance H from the optical component, distance H being greater than distance J. A laser source manipulation mechan...	07/10/2007
7231060	Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th...	06/12/2007
7151596	Deflection angle detecting device A deflection angle detecting device includes a light source, a path switching plane switching the optical path of part of light radiated from the light source, a detecting reflection surface placed on the optical path switched by the path switching plane and provide...	12/19/2006
7106430	Airborne search and rescue scanner An airborne search and rescue scanner is provided to locate a missing person wearing a reflector for reflecting laser energy emitted from a scanner in a high speed aircraft. The scanner and reflector combination enable scanning of a large search area in a relatively...	09/12/2006
7038398	Kinetic illumination system and methods The present invention relates to methods of creating eye-catching displays by taking advantage of color-changing illumination provided by LED systems disclosed herein. Displays can be made to appear to change color or to move simply by changing the color of the ligh...	05/02/2006
7038399	Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl...	05/02/2006
6975389	Deflection angle measuring device, optical signal switching system, information recording and replaying system, deflection angle measuring method, and optical signal switching method A light of measurement emitted from a semiconductor laser (1) is incident to a beam splitter formed by a prism (4). The light of measurement transmits into an incident surface (3) having a positive power so as to be emitted to a reflecting surfa...	12/13/2005
6822228	Laser device A laser device includes a target position, an optical component separated a distance J from the target position, and a laser energy source separated a distance H from the optical component, distance H being greater than distance J. A laser source manipulation mechan...	11/23/2004
6796042	Survey point indicating instrument A survey point indicating instrument, for recognizing a line of sight visually, includes a collimating lens, two light sources being positioned so that optical axes of the two light sources intersect each other on an optical axis of the collimating lens at a focal p...	09/28/2004
6661525	Method for monitoring the length of constant-wire-length bonds and apparatus therefor On a circuit-board intended for constant-wire-length (CWL) bonding, one or more special "test" pairs of bonding pads are provided along with, in each case, a series of markings adjacent the pads. In use, the board is populated with CWL bonds (this include...	12/09/2003
6496259	Optical device providing relative alignment The present invention is directed to an optical apparatus that provides for relatively aligning a first object with respect to a second reference object. In one embodiment, the apparatus includes a generally rectangular substrate member with a reflective ...	12/17/2002
6298284	Apparatus and method with improved field of view for determining vehicle wheel alignment measurements from three dimensional wheel positions and orientations Apparatus and method for determining the alignment positions and orientations of vehicle wheels includes optical targets mounted on the wheels. A pair of cameras or other image sensing devices on each side of the vehicle are used to obtain images of the v...	10/02/2001
6291815	Device for measuring rotation angle of rotary element by unit angles grouped for five units A device for measuring a rotation angle of a rotary element has first, second and third photo-electric sensors, and a rotary disk having first and second circular arrays of openings, each radial edge of the first array of openings being adapted to be dete...	09/18/2001
6141147	Optical unit for image projection and tool incorporating same An optical unit for projecting an image including first and second locating lines for substantially eliminating the introduction of visual parallax error. In one preferred form, the optical unit is incorporated into a machine for performing a forming oper...	10/31/2000
6097480	Vehicle interlock system The invention is of a vehicle interlock system which utilizes non-invasive, optically based methods for detecting and measuring levels of certain target chemical substances in the blood or tissues of a user in preventing operation of the vehicle by person...	08/01/2000
6043875	Method and device for the measuring of wheel angles Measuring system for the measuring of wheel angles comprising cameras (21) pivotable on rear wheel (22) fastenings and looking both on front wheel marker arrangements (24) and a marker device (25) arranged perpendicular relative the length direction of th...	03/28/2000
5815257	Portable optical wheel alignment apparatus and method for race cars An optical wheel alignment apparatus intended for race cars and other high performance road vehicles which provides an extremely accurate, low-cost, light-weight, portable and non-electrical method for toe and camber alignments even in space limited and h...	09/29/1998
5440500	Settable printing apparatus The printwheel setting apparatus is used in a postage meter for setting the posting date printwheels. Each settable member of the apparatus includes digital encoding marks thereon. A charge coupled device is arranged to detect the encoding marks of one or...	08/08/1995
5402226	Survey apparatus The apparatus of the invention is arranged to include facing table members, each having first and second pivotally mounted table plates relative to each table member to accommodate orientation of the tables with leveling and compass structure mounted to e...	03/28/1995
4764668	System for locating an object provided with at least one passive target pattern The system comprises a plurality of passive target patterns (30, 31, 32, 33) situated on a surface (24) of an object to be located, and an approach sensor (19) including: a source (20) for emitting light towards said patterns; a receiver (22) for receivin...	08/16/1988
4730926	Accu-right mirror alignment system A method, and a device for practicing the method, for marking the configuration of a vehicle-mounted mirror which has initially been set to a desired perspective, thus enabling a single, unaided person within reach of a misaligned mirror to quickly and re...	03/15/1988
4445777	Optical system of a theodolite An optical system of a theodolite has an altitude angle scale plate having an altitude scale, a horizontal angle scale plate having a horizontal angle scale, a light path combining member for combining the light paths from the two scale plates, a rectangu...	05/01/1984
4355902	Arrangement for determining the errors the vertical axis of a surveying device The invention relates to an arrangement for determining the vertical axis of a surveying device including a horizontal and a vertical circle each being provided with an index. The two indexes are related to each other and the resulting departure, if any, ...	10/26/1982
3958885	Optical surveying apparatus, such as transit, with artificial light scale illuminating system A light emitting diode is located beneath a glass scale carrier, one for each scale (azimuth and elevation), emitting essentially monochromatic light, which penetrates through the glass scale; the scale is observed through an optical system. The optical s...	05/25/1976

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Class 356/139 - Plural scales or different portions of same scale simultaneously observable