1697 results about "Unit/actuation" patented technology

A teleconferencing system includes: a camera system for imaging a plurality of persons; a voice collector for capturing voices generated by a plurality of persons; and a transmitter for multiplexing an image signal acquired from the camera system and a voice signal acquired from the voice collector and transmitting a multiplexed signal via a communication line. The camera system includes: a camera; a driver for changing the viewing direction of the camera; and a camera controller for controlling the driver. The camera controller includes: a face position detection unit; a registration unit; a timing unit; a drive control unit; and a hold time control unit.

Methods and systems for encoding multi-level pulse amplitude modulated signals using integrated optoelectronics are disclosed and may include generating a multi-level, amplitude-modulated optical signal utilizing an optical modulator driven by two or more electrical input signals. The optical modulator may include optical modulator elements coupled in series and configured into groups. The number of optical modular elements and groups may configure the number of levels in the multi-level amplitude modulated optical signal. Unit drivers may be coupled to each of the groups. The electrical input signals may be synchronized before communicating them to the unit drivers utilizing flip-flops. Phase addition may be synchronized utilizing one or more electrical delay lines. The optical modulator may be integrated on a single substrate, which may include one of: silicon, gallium arsenide, germanium, indium gallium arsenide, polymers, or indium phosphide. The optical modulator may include a Mach-Zehnder interferometer or one or more ring modulators.

An advancer system is described for moving an elongate medical device within a body. The system includes a drive unit having a motor. The drive unit is configured to translate movement of the motor to the device so as to alternately advance and retract the device relative to the body. The advancer system also includes a user-operable control system configured to control the drive unit. The control system can interface with a magnetic navigation system. The above-described system allows an operating physician to control catheter advancement and retraction while remaining outside an x-ray imaging field. Thus the physician is freed from repeated x-ray exposure.

The invention relates to a fingerprint collection system comprising a fingerprint sensor, a scanning controller, a sensing unit driving circuit, an image output unit and a mode control circuit. The fingerprint sensor comprises a fingerprint sensing unit array, an antenna metal frame and a radiofrequency driving circuit; the fingerprint sensing unit array includes multiple sensing units, and the radiofrequency driving circuit drives the antenna metal frame to transmit radiofrequency signals. The scanning controller is used for selecting at least part of the sensing units of the fingerprint sensing unit array to serve as effective sensing units for sensing fingerprints and converting the same into electric signals. The sensing unit driving circuit is used for providing time-sequence signals needed for work of the effective sensing units. The image output unit is used for converting electric signals into digital fingerprint image information and outputting the information. The mode control circuit is used for controlling the sensing unit driving circuit to send different time-sequence signals to change working modes of the fingerprint collection system. The working modes at least include a capacitive collection mode and a radiofrequency collection mode. The fingerprint collection system has wide application range and has good collection and recognition effects in various application fields.

A drive assembly driven by a drive unit locks one or several operating units (6) of an agricultural implement (1) or of a self-propelled implement. The operating unit (6) can be locked when switching off the drive unit or upon reaction of an overload coupling (4). The drive assembly (3) has an overload coupling (4) connected to the drive unit and driven by the drive unit in one driving direction of rotation. The overload coupling (4) is also connected to the operating unit (6). The drive assembly (3) further has a brake unit (5) connected to the overload coupling (4). The brake unit (5) is intended to be arranged in the driveline between the overload coupling (4) and the operating unit (6). Actuating mechanism (10) actuates the brake unit (5) when the operating unit is running so that the operating unit is braked and locked. Thereafter, the overload coupling is disconnected.

An electric motor-generator and an engine are linked using a first belt that is looped around a crank pulley that is mounted to a crank shaft and a one-way clutch pulley that is mounted to a rotating shaft. An electronic control unit drives the electric motor-generator as an electric motor and drives the compressor by the electric motor-generator if engine speed is less than or equal to a predetermined value.

Flaps, for example leading edge flaps and/or trailing edge flaps of an aircraft wing, are driven and adjusted by respective drive units. Drive shafts of neighboring flaps are coupled to each other by a differential gear. The differential gear is thus coupled to a main drive shaft which is driven by a main drive unit. Additionally, the differential gear is coupled to a secondary drive unit. The main drive power and the secondary drive power and thus the respective flap motions are super-imposable on each other, which permits operating the flaps independently of each other or in synchronism with each other.

An interchangeable lens mountable to a camera body includes an optical system operable to collect light from a subject to form a subject image, a diaphragm operable to adjust an amount of light of the subject image to be collected by the optical system, a driving unit operable to drive the diaphragm based upon an aperture value within a predetermined range, a storage unit operable to store speed information relating to a speed at which the driving unit can be set to drive the diaphragm, and a transmitting unit operable to transmit the speed information stored in the storage unit to the camera body. The speed information is provided for each of a plurality of aperture value ranges which are obtained by dividing the predetermined range of the aperture value, and relates to the speed indicating a settable rate of change in the light amount which changes as the driving unit drives the diaphragm.

A liquid crystal display device having a plurality of display modes of viewing angle properties different from each other, comprising a liquid crystal display panel, a backlight unit, a phase control liquid crystal element, a luminance visual angle control liquid crystal element, and a drive unit. The drive unit drives the phase control liquid crystal element and the luminance visual angle control liquid crystal element in accordance with a respective one of the plurality of display modes.

The invention discloses a full-servo back label printing, intaglio printing, rotary screen printing and embossing register control method. The method comprises the following steps of: 1, sequentially printing a dark color marks on the back surface of a paper tape material at a set interval; 2, making the paper tape material of which the back surface is printed with color marks pass through an intaglio printing unit, a rotary screen printing unit and an embossing unit, connecting a color register controller with a servo motor encoder of each unit roller respectively, and respectively recording a reference position of the servo motor encoder driven by each unit; and 3, directly adjusting the phase of the unit servo motor encoder by using the color register controller to ensure the register printing accuracy of each unit in the intaglio printing, rotary screen printing and embossing printing processes if the position of the unit servo motor encoder is different from the reference position recorded in the step 2. The full-automatic register printing method is simple in control process and can be conveniently and efficiently operated, and automatic detection and adjustment are realized completely.

A medical instrument assembly and robotic medical system are provided. The medical instrument assembly comprises an outer probe having an elongated shaft, an inner probe having an elongated shaft, coaxially disposed within the outer probe shaft, and a driver interface module having a plurality of actuating elements configured to be driven by a drive unit to independently effect movement of each of the outer and inner probes within at least one degree-of-freedom. The robotic medical system may comprise the driver interface module, a user interface configured for generating at least one command, a drive unit coupled to the actuating elements, and an electric controller configured, in response to the command(s), for directing the drive unit to drive the actuating elements to independently effect movement of each of the outer and inner probes to the degree(s)-of-freedom.

An image display device includes a flexible display unit transformable by a force between a first state and a second state having different curved degrees; a pressing member disposed at a rear surface of the flexible display unit, to apply the force to the flexible display unit; a driving unit to push or pull the pressing member such that a curved state of the pressing member is implemented; and an adjusting unit to couple the pressing member and the driving unit to each other, and movable with respect to the driving unit, the adjusting unit to adjust the curved state of the pressing member.

The invention relates to a fruit sorting device, which comprises a machine frame, a driving unit, a conveying unit, an image acquisition and processing unit, a sorting control unit, and a separating unit. The sorting control unit controls the driving unit to drive the conveying unit so as to convey fruits to the area of the image acquisition and processing unit which acquires the image information on the fruits, shoots a plurality of images containing effective information of the fruits, and judges the comprehensive quality of the images through a computer vision technique; and the sorting control unit tracks, detects and finally separates out the bad fruit so as to achieve the fruit sorting. The device adopts non-touch type judgment and has the advantages of simple structure, low price, and accurate and objective analysis.

The invention relates to the traditional medical field, particularly relating to the field of acupuncture in the traditional medicine and in particular to an acupunctural device and a control method for acupuncture air temperature. The invention adopts a shell that is opened on one side and an air delivery pipe that extends into the shell, wherein, an outlet end of the air delivery pipe extends near to an acupuncture point and delivers medicinal air to an acupuncture area. The invention also adopts at least one temperature sensor to detect the air temperature near the outlet end, a drive unit drives the outlet end of the air delivery pipe to move towards or away from the acupuncture point and a control unit is electrically connected with the temperature sensor and the drive unit respectively and controls actions of the drive unit (3) according to the detected temperature. The invention has the beneficial effect that the temperature of the medicinal air during moxibustion is automatically detected and regulated into a safe range, thus effectively preventing a sufferer from being burnt; and the air of the traditional Chinese medicine is discharged in a concentrated way, which does not spread out and influence the therapeutic environment.

The invention discloses a deep-space three-axle stable attitude directional control method, based on operation mode, belonging to an attitude control method of space aircraft, wherein said method comprises: the space aircraft with automatic navigation function, via flying computer, receives the reference directional mission and auxiliary directional mission; the flying computer, according to the aircraft track supported by navigation system and the track of target heavenly body obtained by astronomical ephemeris interpolation, finds the attitude operation process meet the demand of said mission, as the reference attitude track; and uses attitude track control rule, via the attitude interface unit, to drive the attitude executer of aircraft, to realize needed attitude. The invention can improve the automatic degree.

An intermediate transfer unit of an image forming apparatus is provided between a plurality of developer containers for containing developer and a plurality of developing devices. The intermediate transfer unit includes an intermediate transfer unit for secondarily transferring primarily transferred developed images from the plurality of image carriers onto a paper, an intermediate transfer unit driving mechanism for driving the intermediate transfer unit, and a housing for supporting the intermediate transfer unit driving mechanism. One end of the housing includes a plurality of developer inlet ports positionally corresponding to the developer supply ports of the developer containers respectively, a plurality of developer outlet ports positionally corresponding to the developer receiving ports of the developing devices respectively, and a plurality of developer supply paths connecting between the developer inlet ports and the developer outlet ports respectively.