140results about How to "Extended angle range" patented technology

The present invention relates to a fastening element for an implant system, which comprises at least two fastening elements fixable to bone parts or the like and at least one connecting element fixable to the at least two fastening elements, wherein the fastening element comprises a fastening part with a fastening portion at the distal end as well as a receiving part connected to the fastening part, wherein the receiving part comprises a connecting-element receiver for receiving the connecting element as well as a fixing element for fixing the fastening element in the connecting-element receiver, wherein the connecting-element receiver is designed asymmetrically in relation to an axis of symmetry or longitudinal axis of the fixing element.

A LED lighting lamp tube comprises a transparent tube body, lamp caps, electrode pins, pedestals mounted at the connection position of the transparent tube body and the lamp caps, a power supply converter located adjacent to the lamp caps and inside the tube body, a PCB and a plurality of LED mounted on the PCB. These LED are connected in parallel or in series, and a light-scattering plate may be disposed over these LED. A plurality of LED chips can be directly mounted on the light-scattering plate. The lamp caps and the electrode pins possess the same international standards as common lamp tubes.

A surface inspection apparatus includes an irradiating unit that has a plurality of light sources that respectively emit a plurality of illumination light beams having different wavelength ranges, and irradiates an inspection surface as a surface of a body to be inspected with the illumination light beams, in a condition where the light sources are located adjacent to each other and arranged in a given order along the inspection surface, an imaging unit that images reflected light when the illumination light beams are reflected by the inspection surface, so as to obtain a plurality of items of image data corresponding to the respective wavelength ranges, and a control unit that detects a detection object on the inspection surface, based on the items of image data corresponding to the respective wavelength ranges which are obtained by the imaging unit.

A rotary electric shaver including a plurality of substantially disc-shaped outer cutters, which are provided in the upper part of a shaver main body housing therein a motor, and inner cutters, which engage the outer cutters from below and are rotationally driven by the motor so as to cut hair entering into the hair introduction openings formed in the outer cutters; and in addition, substantially cylindrical cutter frames 18 for respectively holding the outer cutters in a depressible manner are provided so that cutter frames 18 can pivot in the upper surface of the shaver main body.

A backlight is provided for a transmissive spatial light modulator such as a liquid crystal device (1). The backlight comprises a light source (5), which supplies light through an input edge surface (12) of a non-flat light guide (4) having a front surface (4a) and a rear surface (4b). The rear surface (4b) comprises a plurality of concave features (10), each of which has a surface (11) which faces the input surface (12) and which is oriented so as to direct light towards and out of the front surface (4a). The surfaces (11) have slope angles with respect to a tangent plane to the rear surface (4b) at the feature (10) which vary with distance from the input surface (12) so as to concentrate output light from the light guide (4) into a desired angular output range.

A method for determining a three-dimensional model for a scene comprising: projecting a sequence of binary illumination patterns onto a scene; capturing a sequence of binary pattern images of the scene from a plurality of capture directions; projecting a sequence of periodic grayscale illumination patterns onto the scene, each periodic grayscale pattern having the same frequency and a different phase; capturing a sequence of grayscale pattern images from the plurality of capture directions; determining a range map for each capture direction by analyzing the captured binary pattern images and the captured grayscale pattern images; and determining the three-dimensional model for the scene responsive to the range maps determined for each capture direction.

A first variable valve actuating mechanism varies an operating angular range of an intake valve, a second variable valve actuating mechanism varies a center angle of the operating angular range, and a control unit controls, through the first and second variable valve actuating mechanisms, the operating angular range and the center angle in accordance with an operation condition of the engine. The control unit is configured to carry out, in a low-output operation range of the engine, advancing the center angle with increase of the engine output while making the variation of the center angle larger than that of the operating angular range; and in a middle-output operation range of the engine, increasing the operating angular range with increase of the engine output while making the variation of the operating angular range larger than that of the center angle.

The invention relates to a tilt angle sensor based on optical fiber Bragg gratings and a method for measuring a tilt angle of the tilt angle sensor and belongs to the technical field of measurement of a structural tilt angle. The tilt angle sensor comprises a fixed base plate (12), a fixed pressing block (6), a thin-wall type uniform-section metal beam (9) and a quality block (7), wherein the upper end of the thin-wall type uniform-section metal beam (9) is arranged on the fixed base plate (12) in a mode of fitting with the fixed pressing block through a first movable pressing block (10) and a fifth screw (11); the quality block (7) is fixed at the lower end of the thin-wall type uniform-section metal beam (9) through a sixth screw (15) and a second movable pressing block (16); and a first optical fiber Bragg grating (13) and a second optical fiber Bragg grating (14) are respectively adhered to opposite positions on two sides of the thin-wall type uniform-section metal beam (9). By the method, the size and direction of the tilt angle can be detected according to a correspondence relation between the change of central wavelengths of the two optical fiber Bragg gratings and the tiltangle. The invention is high in measurement accuracy and has a temperature self-compensation function.

The invention relates to a rigid body identification method and system. The method comprises steps that according to multiple infrared mark points pre-arranged on each rigid body, the mutually-different geometric information of all the rigid bodies are acquired; an infrared depth image of any to-be-identified rigid body is acquired, and the infrared information and the depth information are extracted; the infrared information is processed to acquire image coordinates of the infrared mark points; coordinate transform of the image coordinates is carried out to acquire position coordinates of theinfrared mark points on the to-be-identified rigid body in a camera coordinate system; a space geometric body is constructed, the space geometric body and the geometric structure information of eachrigid body are matched, and the to-be-identified rigid body is determined. The method is advantaged in that the multiple rigid bodies can be simultaneously identified and accurately tracked, a crosstalk phenomenon in the tracking process can be avoided, and the tracking result of the multiple rigid bodies in different types can be acquired.

The invention discloses an air conditioner with a rotating air outlet structure. The air conditioner comprises an air conditioner shell, wherein an internal air way of the air conditioner is defined by the shell; an air outlet is formed in the shell; the rotating air outlet structure is arranged in the internal air way, and comprises a first annular air guide body and a rotating driving mechanism; the first annular air guide body is provided with a front opening, a back opening and a hollow cavity positioned between the front opening and the back opening; and the rotating driving mechanism is in driven connection with the first annular air guide body for driving the first annular air guide body to rotate in the peripheral direction. As the rotating air outlet structure is arranged in the air conditioner, the peripheral air outlet of the air conditioner is realized, the air blowing range is widened, and the air blowing speed is accelerated.

A radar sensor for motor vehicles, having an optical system which subdivides a radar beam generated by a single antenna element into a plurality of beam components that are radiated in different directions, wherein the optical system has a diffraction grating.

Embodiments of the invention are concerned with a radar system, and relates specifically to scanning radar systems that are suitable for detecting and monitoring ground-based targets.

In one aspect, the radar system is embodied as a scanning radar system comprising a frequency generator, a frequency scanning antenna, and a receiver arranged to process signals received from a target so as to identify a Doppler frequency associated with the target, wherein the frequency generator is arranged to generate a plurality of sets of signals, each set having a different characteristic frequency, the frequency generator comprising a digital synthesiser arranged to modulate a continuous wave signal of a given characteristic frequency by a sequence of modulation of patterns whereby to generate a said set of signals, and wherein the frequency scanning antenna is arranged to cooperate with the frequency generator so as to transceive radiation over a region having an angular extent dependent on the said generated frequencies.

Embodiments of the invention thus combine digital synthesiser techniques, which are capable of precise frequency generation and control, with passive frequency scanning and Doppler processing techniques. This enables accurate control of range and of scan rates, and enables optimisation of range cell size for factors such as slow and fast target detection and Signal to Noise ratio, and thus enables detection of targets located at distances considerably farther away than is possible with known systems having similar power requirements.