145results about How to "Reduced range of movement" patented technology

An optical filter includes: a first variable wavelength bandpass filter that can extract light of a first wavelength band (400 to 460 nm), the first wavelength band having a first spectral band having a central wavelength equal to a first wavelength in the first wavelength band and a second spectral band having a central wavelength equal to a second wavelength in the first wavelength band; and a second variable wavelength bandpass filter that can extract light of a second wavelength band (480 to 540 nm) adjacent to the first wavelength band, the second wavelength band having a third spectral band having a central wavelength equal to a third wavelength in the second wavelength band and a fourth spectral band having a central wavelength equal to a fourth wavelength in the second wavelength band.

A keyboard having a plurality of alphabetical keys and number keys is proposed. The alphabetical keys are divided into a first key combination and a second key combination, and the number keys are located between the first and second key combinations. The number keys are adjacent to a plurality of cursor shifting keys. The number keys are arranged in columns, and the cursor shifting keys are arranged in rows below the number keys. The cursor shifting keys are positioned at a lower elevation than the number keys so as to avoid hitting the wrong keys by mistake during user's key-in operation. The number keys further include an Enter key, while a Backspace key and a Tab key are adjacent to the number keys to reduce hand-moving range for the user, so as improve key-in speed and satisfy ergonomic criteria.

A retracting animal lead having a housing with a handle portion and an internal chamber in which a spool is rotatably mounted. An extraction opening is formed in the housing in alignment with a winding cylinder of the spool for guiding lead material from the spool out of the housing. The spool is rotationally biased into a first rotational position and is rotatable against the biasing force so as, in use, to unwind from the spool the lead material wound thereon. A winding handle is rotatably mounted to the outside of the housing, and a coupling means is operatively moveable between an engaged position in which it non-rotatable couples the winding handle to the spool so as to enable manual rotation of the spool, thereby, in use, enabling the lead material manually to be rewound onto the spool, and a disengaged position in which the spool in rotationally disconnected from the handle.

The invention provides an input keyboard. A processor detects the key matrix to obtain key-state signals; an inductive recognizer recognizes the finger positions of a user on the key matrix and/or sets finger positions of the user via position keys; a code generator performs code conversion and keying input according to position signals and key-state signals. The invention also provides an input method of the keyboard. The input keyboard and the input method of the invention have the following advantages that: with recognition technology, pressing a same key with different fingers can input different meanings, so keyboard input is simplified with fewer keys, key numbers for fingers are uniformly distributed and finger motion scopes are minimized. The left hand and the right handwork separately, and the thumbs and the palms are put on a supporting position in normal time, so the operation not only is consistent with input habits and easy to learn and master, but also improves the input speed and reduces hand fatigue.

The invention discloses a rapid positioning detection method and device for an automobile headlamp. The rapid positioning detection device comprises a positioning plate, a transmission assembly, a headlamp detector, an induction assembly, a horizontal positioning assembly and an automobile correcting assembly. The transmission assembly comprises a sliding base, a supporting column, a first photosensitive assembly and a shaft guide rail assembly. An X-axis guide rail assembly is fixed on one side of the positioning plate; the sliding base is arranged on the X-axis guide rail assembly in a sliding manner; the supporting column is vertically fixed to the sliding base, a Z-axis guide rail is vertically arranged on one side of the supporting column, the headlamp detector is arranged on the Z-axis guide rail in a sliding mode, the first photosensitive assembly is arranged at the front end of the supporting column, and the induction assembly, the horizontal positioning assembly and the automobile correcting assembly are sequentially arranged in front of the transmission assembly. The approximate range of the headlamp on the X axis and the approximate range of the headlamp on the Z axis are determined through the horizontal positioning assembly and the first photosensitive assembly respectively, so that the moving range of the headlamp detector is greatly reduced, and positioning of the headlamp is faster.

The invention is to increase the size of a suction cup by making the suction cup correspond to an increase of the size of a workpiece, and to smoothly move the suction cup together with a stage, while maintaining flatness accuracy. This stage device 10 has a stone surface plate 20, the stage 30 moving on a plane of the stone surface plate 20, the suction cup 40 mounted on the stage 30 to suck the flat plate shaped workpiece, and a pair of Y linear motors 50 for moving the stage 30 in the Y direction. The suction cup 40 has a square-shaped suction surface 42. Four sides of the X and Y directions of the suction surface 42 are formed to have larger dimensions than that of an X stage 38, and a width dimension of the X direction is formed to have a smaller dimension than that of the stone surface plate 20. The stage device 10 has four supports 60 extending in the vertical direction from a lower face of the suction cup 40 and an air pad 70 provided at a lower end of each support 60 to be movable by floating on the plane of the stone surface plate 20 by air pressure. The suction cup 40 is moved on the stone surface plate 20 since the supports 60 and the air pad 70 are directly supported.

The invention discloses an intelligent cleaning system for a rear camera of an automobile, relating to the field of artificial intelligence. According to the system, two automobile rear-mounted cameras are installed, when one rear-mounted camera needs to be cleaned, switching operation is carried out in a short time, automobile rear-mounted cameras meeting use requirement are switched out for use,then the switched automobile rear-mounted camera needing to be cleaned is cleaned, the time for an automobile owner to wait for cleaning of the automobile rear-mounted camera is avoided, cleaning operation cannot occur in a reversing picture, the reversing process cannot be disturbed, and safety is higher.

The invention discloses a candidate word selecting method, a candidate word selecting device and candidate work selecting electronic equipment, and belongs to the technical field of computers. The method comprises the steps that input characters are received; after the input characters are received, a selecting area containing one or more candidate words corresponding to the input characters and arranged according to a preset curve is displayed; a selecting signal is received on the selecting area; after the selecting signal is received, a designated candidate word corresponding to the selecting signal is obtained. According to the candidate word selecting method, the candidate work selecting device and the candidate work selecting electronic equipment, by receiving the characters, displaying the selecting area containing one or more candidate words corresponding to the input characters and arranged according to the preset curve, receiving the selecting signal on the selecting area and obtaining the designated candidate word corresponding to the selecting signal, the problems that when the candidate word is selected, a moving range is large and efficiency in selecting the candidate word is low are solved, and therefore the effect of improving the efficiency in selecting the candidate word is achieved.

The present invention provides a touch identification method and display apparatus based on an infrared touch screen, and relates to the field of the infrared touch screen technologies, so as to resolve problems of inaccuracy of a touch point determined by a current touch identification method and touch failure. The method comprises: driving a launch tube at a first direction side of the infrared touch screen to scan, acquiring at least one first touch point, and storing at least one first touch point; driving a launch tube at a second direction side of the infrared touch screen to scan, and acquiring at least one second touch point; matching the at least one second touch point with the at least one first touch point, and determining at least one matching pair; and for any matching pair of the at least one matching pair, combining a coordinate value corresponding to the second direction side of the second touch point with a coordinate value corresponding to the first direction side of the first touch point in the matching pair, determining that a combined coordinate is the touch point on the infrared touch screen, and outputting the touch point.

The invention discloses a novel hot-rolled round steel cut-to-length system, and belongs to the technical field of mechanical engineering. The novel hot-rolled round steel cut-to-length system comprises a charging skip, a cutting frame, a supporting conveying device and guide rails. The cutting frame is hinged to one end of the charging skip, an automatic clamping mechanism and a manual supporting conveying structure are arranged at the other end of the charging skip, and the automatic clamping mechanism comprises a first clamping plate and a second clamping plate. The supporting conveying device is arranged in the discharging direction of the automatic clamping mechanism and comprises a conveying carrier roller support, a carrier roller base and carrier rollers, and a rotary encoder is installed on the carrier roller base. The cutting frame comprises a cutting saw rotation base, a first driving motor and a transmission device, a cutting saw is arranged at an opening of the cutting saw rotation base and guide wheels are arranged at the lower end of the charging skip and driven by a second motor. The novel hot-rolled round steel cut-to-length system can realize automatic control over fixed-length cutting through the combination of the driving motors, a hydraulic cylinder and the rotary encoder, and through the mobile length fixing mode of a shearing machine, the moving range is small, speed is high, cut-to-length accuracy is high and the working efficiency of the shearing machine can be obviously improved.

The invention discloses a high-precision position detection device and a high-precision position detection method and belongs to the field of optical detection. The device comprises a short coherent light source, a collimating lens, a polarizer, a 1/2 wave plate, an optical splitter, a holophote a coupling lens, an end reflection fiber beam splitter, a focusing lens, a polarization analyzer, a sensor, two 1/4 wave plates and a multifocal lens; and the parts form a reference light path and a measurement light path. The optical path difference of different branches in the reference light path is fixed and different; and if assuming a test range is L and the reference light path comprises n branches, in order to test the optical surface space in the length of L, a movable lens is only required to move a distance of L/n, and the positions of different optical surfaces in the L range of a tested system can be accurately known by analyzing the position of the movable lens and the central position of interference fringe. The detection device has the advantages of wide detection range, small moving range of the movable lens, simple structure and high measuring accuracy.

The invention provides a data storage system and a data storage method, and belongs to the field of data storage. The data storage system comprises a data collection module and a time sequence database. According to the data storage method, after a time sequence database receives data and before the data is written into a disk, the data is independently stored as a log, real storage operation is carried out after the log is successfully stored, and the data is written into the disk. If the whole storage operation is interrupted due to a certain reason, when the system is restarted, the storageoperation before interruption can be recovered according to the data of the data log file, and it is guaranteed that the received data cannot be lost. When real data storage operation is carried out,multiple random writes are combined into one sequential write operation, the frequency of calling disk write operation and the moving range of a magnetic head and a mechanical arm are reduced, and the highest disk write speed of a rotating speed hard disk is achieved. One data log file is deleted after the storage operation is completed, and the occupied hard disk space can be recycled.

The present invention discloses a camera capable of reducing the size by reducing the range of movement of a view finder driving member which operates interlocked with an image-taking lens barrel. The camera includes an image-taking lens barrel which performs a operation in a collapse region and performs a zooming operation in an image-taking region, a view finder optical system including a movable lens unit and a view finder driving member having a cam which drives the movable lens unit. The image-taking lens barrel operates interlocked with the view finder driving member in the image-taking region and the interlock between the image-taking lens barrel and the view finder driving member is released in the collapse region.

The invention provides medical equipment. The medical equipment includes a first mode device, a second mode device and a driving device. An accommodating space is formed in the first mode device, the second mode device is at least partially installed in the accommodating space, and the rotating center line of the second mode device overlaps with the rotating center line of the first mode device. The driving device is used for driving at least one of the first mode device and the second mode device to rotate. The first mode device and the second mode device are used for realizing the therapeutic and diagnostic functions respectively, the first mode device and the second mode device are of an integral structure, the first mode device and the second mode device occupy small space and are convenient to install. The first mode device and the second mode device are arranged coaxially. In the operation process of the treatment or diagnosis, the first mode device and the second mode device rotate around the same rotary center line, the position accuracy is high, and the moving range of a treatment bed is small, which makes the treatment position very accurate.

A switch has a first leaf spring having a first contact, the first contact being formed in a V shape and including two inclined surfaces, a second leaf spring having a second contact facing the first contact, the second contact being formed in a convex shape and including vertexes facing the inclined surfaces, respectively; and a pressing unit that presses the first leaf spring or the second leaf spring. When the pressing unit presses the first leaf spring or the second leaf spring, the inclined surface on a first side of the first contact and the vertex on a first side of the second contact come in contact with each other, and the vertex on the first side of the second contact slides on the inclined surface on the first side of the first contact.

Provided is a weft gripping device having high responsiveness to a grip order and surely gripping a weft. The weft gripping device 10 in a fluid-jet type loom comprises a pair of gripping members 32 and 34 which are a pair of the gripping members 32 and 34 having weft gripping parts 58 and 60 for receiving and gripping the weft 80 moving together with a reed 12 between the most advanced position and the most retreated position of the reed 12 and selectively and relatively moved in the contacting and separating directions of these members by a driving gear 30 and a latching member which latches the weft 80 received in the weft gripping parts 58 and 60 and positions the weft relatively to both the gripping members 32 and 34.