41 results about "Second sight" patented technology

A device includes structure that can support the device on a weapon. One version of the device includes a first sight that facilitates weapon orientation in preparation to fire a first munition, and a second sight that facilitates weapon orientation in preparation to fire a second munition different from the first munition. A different version includes first and second sights that each facilitate weapon orientation, and an electronic control portion that is operatively coupled to and simultaneously exerts control with respect to each of the first and second sights, the first and second sights each displaying targeting information generated electronically by the electronic control portion.

A firearm accessory mounting rail with an integrated back up sight system including an elongated Picatinny rail having longitudinally spaced apart first and second end regions and a transverse profile. A first sight element has a visual marker substantially centrally positioned. A second sight element has laterally spaced apart visual markers. A substantially centered longitudinal channel extends along the upper surface of the rail between the first and second sight elements. The firearm may be sighted by visually aligning the marker of the first sight element between the markers of the second sight element, the visual alignment being at least partially through the longitudinal channel. The sight elements may be defined completely within the transverse profile of the rail so as not to interfere with the normal attachment of any accessories to the rail and may be adjustable for windage and / or elevation. The visual markers may be illuminated by light gathering fiber optic or tritium elements.

A sight for use on a firearm includes a frame member mountable to a firearm and having a pair of spaced apart posts extending therefrom, a support member extending transversely between the pair of posts and selectively rotatable with respect thereto, and a sight element. The sight element is carried by the support member between the posts and includes a central portion rotatably coupled to the support member, a first sight aperture portion extending from the central portion and defining a first aperture formed in a diamond shape with an upper v-notch and a lower v-notch, and a second sight aperture portion extending from the central portion and defining a second aperture formed in a diamond shape.

Back-up sights for use on a rifle configured with an optical sight aligned along a first sighting axis include a handguard or support carrying first and second attachment points that are substantially parallel with the central axis of the rifle's barrel but offset at a different angle than the first sighting axis. A back-up front sight and rear sight are carried on a back-up sight base, where the front sight and rear sight are aligned along a second sight axis that is offset, preferably, by one-eighth turn from the first sighting axis. When using the back-up sights, the user tilts or cants the rifle to one side, rotating the rifle one-eighth turn about the axis of the barrel's bore, to look down the second sighting axis, while aiming the rifle at the target.

A metal cutting circular saw is provided with an upper blade guard which includes a first sight window disposed in a first side surface and disposed in a plane angularly offset from a plane of the blade. The upper blade guard also includes a second sight window disposed in the second side surface of the upper blade guard. A light window is disposed in a front portion of the perimeter outer surface of the upper blade guard. The upper blade guard is made from metal and the first and second sight windows and the light window are integrally formed as a one-piece member. The saw shoe and lower blade guard are configured to minimize chip spray from contacting a user.

The invention discloses an eyeball tracking method and device, and the method comprises the steps: obtaining the eye feature information of a first eye and the eye feature information of a second eyeof a user; obtaining a first sight line by utilizing the eye feature information of the first eye and the calibration coefficient of the first eye according to a first preset rule, and obtaining a second sight line by utilizing the eye feature information of the second eye and the calibration coefficient of the second eye; according to the first sight line and the second sight line, gaze depth information of the user is obtained, sight lines emitted by different eyeballs of the user are independently calibrated and tracked, a user gaze point comprising the depth information can be determined,and accurate tracking of the user gaze point in the three-dimensional space is achieved.

The invention discloses a sighting telescope display method and display equipment in a virtual environment, and relates to the field of virtual environment. The method comprises the following steps: displaying a first virtual environment picture, wherein the first virtual environment picture comprises a first sighting telescope picture of the virtual environment which is observed by a virtual object through a reflective sighting telescope, and a sighting point in the sighting telescope picture is located at a first position relative to a sighting telescope tube of the reflective sighting telescope; controlling the virtual object to move in the virtual environment; and displaying a second virtual environment picture, and the sighting telescope tube in the second sighting telescope picture is located at a second position. According to the invention, the reflective sighting telescope in a real environment can be simulated more really, so that a realer display effect can be achieved, and immersion of a user in the virtual environment can be enhanced.

The embodiment of the invention provides a display method for a virtual reality main interface and a terminal. The method comprises the steps that sight central regions corresponding to visual angles at different moments are acquired; whether the first sight central region corresponding to the first moment is the same as the second sight central region corresponding to the second moment is judged; and if the first sight central region is different from the second sight central region, the display position of the virtual reality main interface is adjusted according to the second sight central region, and the virtual reality main interface is displayed in a view region at the second moment. According to the embodiment, the terminal can adjust the display position of the virtual reality main interface according to the requirement of a user, and therefore it is convenient for the user to watch a virtual reality picture.

A display device capable of switching between a two-dimensional display mode and a three-dimensional display mode comprises a switching display mode device and a display panel arranged corresponding to the switching display mode device; wherein, the switching display mode device comprises three substrates, two liquid crystal layers, and four electrode layers; one of the electrode layers has a plurality of electrode patterns which are parallel to each other, the electrode patterns are arranged in order along an arranging direction; the display panel has a plurality of first sight display areas and a plurality of second sight display areas, the electrode patterns are respectively arranged between the first sight display area and the second sight display area which are adjacent.

A non-transitory computer-readable medium whose contents cause a processing device including a touch screen display to perform a method for generating an archery sight setting, the method including acts of rendering a graphical user interface in the touch screen display, receiving a first input to the graphical user interface to select at least one archery parameter, and presenting a plurality of sight marks in the graphical user interface including at least a first sight mark and a second sight mark, the plurality of sight marks scaled within the graphical user interface to provide a 1:1 ratio between a first distance separating the first sight mark and the second sight mark in the graphical user interface and a second distance separating a first sighted-in position and a second sighted-in position in an archery sight including at least one mechanically-adjusted sight pin.

An archery sight with a plurality of sight pins and a perimeter guard essentially surrounding the pins. The sight can be structured such that a first sight pin is disposed at a fixed position, relative to the guard, at a plurality of sight-in distance configurations for the first sight pin. In that case, the position of at least a second sight pin is changed, relative to the guard, as a sight-in distance configuration is changed for the first sight pin. Sights may provide visual cant and / or yaw feedback for an archer. Some guards may be partially or virtually enclosed to resist damage to sight pins or other internal mechanisms, and may provide visual magnification.

The invention relates to a three-dimensional displaying device and a data-processing method thereof, wherein the three-dimensional displaying device comprises a data-processing module. The data-processing module comprises an image-comparing unit and an image-compensating unit. The image-comparing unit is used for sequentially receiving a first-sight picture and a second-sight picture, respectively comparing a plurality of first gray-scale data of the first-sight picture with a plurality of second gray-scale data of the second-sight picture and outputting a plurality of comparison results. The image-compensating unit is coupled with the image-comparing unit to generate a compensating picture corresponding to the second-sight picture according to the comparison results. Thereby, the generation of afterimages can be avoided.

A metal cutting circular saw is provided with an upper blade guard which includes a first sight window disposed in a first side surface and disposed in a plane angularly offset from a plane of the blade. The upper blade guard also includes a second sight window disposed in the second side surface of the upper blade guard. A light window is disposed in a front portion of the perimeter outer surface of the upper blade guard. The upper blade guard is made from metal and the first and second sight windows and the light window are integrally formed as a one-piece member. The saw shoe and lower blade guard are configured to minimize chip spray from contacting a user.

A firearm lead sight that is attached to the barrel of a firearm for assisting a shooter in leading a moving target. The firearm lead sight includes a mount, a first sight assembly, and a second sight assembly. A mount plate and a barrel grip form the mount and are clamped around the barrel of the firearm. A first sight bar and a second sight bar, of the first sight assembly and the second sight assembly respectively, are pivotally connected to the mount plate opposite each other. A first plurality of sight marks is positioned along the first sight bar, while a second plurality of sight marks is positioned along the second sight bar. A first detent of the first sight bar and a second detent of the second sight bar allow the first sight bar and the second sight bar to be locked in a variety of positions.

A fluid level sensor for determining an amount of first fluid in a system is provided including a first substantially transparent sight glass mounted outside and fluidly coupled to a portion of the system. A level of first fluid in the first sight glass is indicative of the amount of first fluid in the system. A second substantially transparent sight glass has an independent closed loop containing a second fluid. The second sight glass is positioned adjacent outside the system. A plane of the second sight glass is arranged adjacent to a pivot point of the first fluid within the system. A level of second fluid in the second sight glass is indicative of the amount of first fluid corresponding to normal operation of the system. A comparison of the level of first fluid in the first sight glass and the level of second fluid in the second sight glass indicates if the amount of first fluid in the system requires adjustment.

The invention discloses a color sorting device, a color sorting machine and a color sorting method. The color sorting device comprises a first color sorting assembly and a second color sorting assembly, wherein the first color sorting assembly comprises a first sight glass and a first light source; the first sight glass is provided with a first sight point; the first light source is provided witha first illumination range; the second color sorting assembly comprises a second sight glass and a second light source; the second sight glass is provided with a second sight point; the second light source is provided with a second illumination range, wherein the first sight point and the second sight point are spaced in the proceeding direction of to-be-observed material; the first sight point and the first sight glass are positioned out of the second illumination range; and the second sight point and the second sight glass are positioned out of the first illumination range. According to thecolor sorting device, the first sight glass and the second sight glass do not have bright spot or bright surface during imaging and are higher in image definition to reduce the error recognition rate.

The embodiment of the invention discloses a reading control method and related equipment, the method is applied to electronic equipment, the electronic equipment comprises a camera module, and the method comprises the following steps: obtaining a paragraph coordinate data table and an edge distance; receiving first image data and second image data within a preset time, and performing eyeball tracking calculation on the first image data and the second image data to obtain a first sight line coordinate and a second sight line coordinate; according to the first sight line coordinate, the edge distance, the paragraph coordinate data table and a first paragraph range , judging whether the first paragraph range contains the second sight line coordinate, and if the first paragraph range contains the second sight line coordinate, storing the paragraph content corresponding to the first paragraph to set software. The technical scheme provided by the invention has the advantage of high user experience.

The invention discloses a high-efficiency internal circulation evaporation separation tower which is characterized in that the upper end of a barrel is fixedly connected with an upper seal head; the lower end of the barrel is fixedly connected with a separator; at least three circulation heating blocks are accumulatively arranged in the barrel; a demister is positioned between the barrel and the upper seal head; a first temperature measurement opening, a sampling opening and a concentrated material outlet are formed at the lower end of the separator; a vapor inlet is formed at the upper layer circulation heating block and in the barrel; a vapor outlet is formed at the bottom layer circulation heating block and in the barrel; a material inlet is formed at the upper end of the upper layer circulation heating block; a manhole, a first sight glass opening, and a second sight glass opening are formed in the barrel; a first liquidometer and a second liquidometer are arranged on the barrel; and a gas outlet, a second temperature measuring opening and a pressure measuring opening are formed at the upper end of the upper seal head. The separation tower has the advantages of compact and reasonable structure, low height, small floor area, high separation concentration efficiency and product purity, good quality, energy conservation and environment friendliness, simplicity in operation, use cost saving, safety in use and the like.

The invention relates to a weaving and dyeing cut pile process of a cut pile towel with vague patterns, which belongs to the field of textile printing and dyeing process. The process comprises loop piling on one face of grey cloth, and is characterized in that: (1) the loop piled on one face of the grey cloth is brushed, so that the loop on the whole piece of grey cloth is straight and neat; (2) the loop is sheared and cut, so that neat fluff is fully distributed on the surface of the grey cloth; (3) and then the fluff on the grey cloth is absorbed, and the redundant fluff on the surface of the grey cloth can be fully absorbed; the process has the advantages that because a small amount of loop is cut, so the loop is loosened, bulky and softer to touch, and the towel is fitted and lets people feel more comfortable. In addition, the printed patterns are indistinct at the first sight, clear and beautiful at the second sight, and have a sense of vagueness and three dimensions. The manufactured towel is soft, gorgeous, elegant, comfortable to use, and can easily absorb water and sweat.

A sight for use on a firearm includes a frame member mountable to a firearm and having a pair of spaced apart posts extending therefrom, a support member extending transversely between the pair of posts and selectively rotatable with respect thereto, and a sight element. The sight element is carried by the support member between the posts and includes a central portion rotatably coupled to the support member, a first sight aperture portion extending from the central portion and defining a first aperture formed in a diamond shape with an upper v-notch and a lower v-notch, and a second sight aperture portion extending from the central portion and defining a second aperture formed in a diamond shape.

The invention discloses a focusing method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring a human eye image; determining a first sight vectorcorresponding to a left eye in the human eye image and a second sight vector corresponding to a right eye in the human eye image according to the human eye image; determining the position of a targetintersection point of the first sight vector and the second sight vector; according to the position of the target intersection point, determining a focus area of the sight line of the user on the screen; and focusing the focus area. According to the invention, successful focusing can be realized.

The invention relates to a test system and test method for a simulated flight operation based on a sight track. The method comprises the following steps: entering a certain simulated flight operation mode, and receiving a test instruction of a simulation aircraft; calling for a first sight track corresponding to the test instruction according to the test instruction, wherein the first sight track is set in advance and stored locally; collecting a second pupil image of a pilot, and confirming a second sight track of the pilot according to the second pupil image; and comparing deviation ratios of the first sight track and the second sight track, thereby checking the operation condition of the pilot. According to the invention, through the comparison of the sight tracks, a standard sight track scope formed by the sight track of a qualified pilot under a certain driving mode or specific scene in the manner of big data analysis is compared with the sight track of the tested pilot, and a contact ratio is taken as one of the indexes for checking the pilot.

The invention provides a sight training chart which comprises first sight mark sets and second sight mark sets. The first sight mark sets are annularly distributed and are provided with a first center, and the second sight mark sets are annularly distributed and are provided with a second center, wherein the first center coincides with the second center. The radian of the first sight mark sets is larger than or equal to 90 degrees but smaller than or equal to 270 degrees, and the radian of the second sight mark sets is larger than or equal to 90 degrees but smaller than or equal to 270 degrees. The sight training chart is provided with a center, in the process of sight training and the process of sight detecting, focusing of the optic nerve can be automatically excited, the sight training effect on people who suffer from the amblyopia, the polarization sight and the astigmatism is better, and the measured sight is more accurate.