摘要:
A multimedia information processing apparatus comprises information source processing portions (101), element packet processing portions, (102), packet processing portions (103), transmission path processing portions (104), an information source processing portion bus (110), an element packets processing bus (111), and a packet multiplexing bus (112). A multimedia information processing apparatus is hierarchically classified into a plurality of layers, and interface signals are defined between each processing portion and each processing is connected via buses. Contents such as broadcasting, communication and storage are secured by an editing unit comprised of a computer and by expansion of units via bus. Bus connection enables editing processing portions (152, 153) such as a complex processing portion (150, 151) including a plurality of processing portions and a computer to expand functions of a multimedia information processing apparatus.
摘要:
The present invention relates to a catadioptric projection optical system configured such that the diameter of its concave mirror can be reduced without deteriorating performances of the optical system and to an exposure apparatus including the same. The catadioptric optical system in accordance with the present invention comprises a first imaging optical system (G1) forming an intermediate image of a pattern on a first surface with a reduced magnification, including a first lens group with a positive refracting power and a second lens group (G12) which has a concave mirror (M1) and a negative lens component whose concave surface faces the first surface; a second imaging optical system (G2) forming an image of the intermediate image upon a second surface, a combined magnification of the first and second imaging optical systems being a reduction magnification; and a first optical path deflecting member (M2) disposed in an optical path from the first imaging optical system to the second imaging optical system so as to guide light from the first imaging optical system to the second imaging optical system. In particular, the first lens group (G11) of the first imaging optical system is disposed, while a part thereof is positioned between the first optical path deflecting member (M2) and the second lens group (G12), in a space through which both light directed from the first surface to the second lens group and light directed from the second lens group to the first optical path deflecting member pass, and includes, successively from the first surface toward the second lens group, a front lens group having a positive refracting power, an intermediate lens group having a negative refracting power, and a rear lens group having a positive refracting power.
摘要:
In a method of picking-up a subject image including a subject (1) to be superimposed on a base image by fitting, the subject is illuminated by a first illumination unit (4) arranged in front of the subject and is picked-up by an image pick-up camera (2), a subject image signal generated by the camera is stored on a record medium in a video recorder, then the subject is illuminated by a second illumination unit (5) arranged behind the subject and picked-up the same camera under the same condition except for lighting condition, and a shadow image signal thus generated by the camera is stored on a record medium in the video recorder. By processing the shadow image signal reproduced from the record medium, it is possible to obtain a key signal having a high quality without being affected by a surface condition of the subject.
摘要:
A machining method in which a numerically controlled apparatus carries out a series of operations such as the determination of machining procedures, the selection of a tool, the preparation of a workpiece and inspection programs, machining operation, and inspection, required when a numerically controlled machine tool carries out a machining operation on the basis of input graphics and process information, using at least machine tool information, tool information, cutting condition information, material information, machining method symbol information, finishing symbol information, finishing allowance information, surface treatment information, information about thermal refining, and cost information, the method includes the steps of, while using electronic calculators including a numerical control unit, an FA system, and a personal computer, and a series of data processing units and machine tools, registering a variety of information files; inputting machining pattern data; processing a finished pattern; processing a machining pattern before a workpiece has finished undergoing another process; identifying the pattern; making a decision with regard to a machining process; and deciding whether or not material should be measured.
摘要:
An attenuator unit (100) for attenuating a signal, the unit includes a π-type attenuator having a first resistor (106) and second and third resistors (108, 110) which are arranged on both sides of the first resistor, a first transistor (102) connected in parallel with the first resistor, and a second transistor (104) connected between a joint node of the second resistor and the third resistor and a first voltage level (112). In the unit, by controlling a gate voltage of the first transistor and a gate voltage of the second transistor, an attenuation value of the attenuator unit is changed.
摘要:
A cross-connect device for networks is connected to working transmission lines and reserve transmission lines, and is used to switch signals from the input transmission lines to the output transmission lines. The cross-connect device consists of a routing component and bypass component. The routing component is connected to the working transmission lines and is used to switch the signals from the input working transmission lines and second links to the output working transmission lines and first links. The bypass component is connected to the reserve transmission lines and is used to switch the signals from the input reserve transmission lines and first links to the output reserve transmission lines and second links. An optical cross-connect device for optical networks is connected to reserve optical transmission lines and working optical transmission lines, and is used to switch wavelength multiplexed optical signals. The optical cross-connect device comprises: a bypass component that is connected to the reserve optical transmission lines and that includes an optical-space switch; a routing component that is connected to the working optical transmission lines and includes an optical-space switch; and connection links that connect the bypass component and routing component.
摘要:
A probing apparatus has an apparatus body (1) and a test head (4) detachable from the apparatus body. A probe card having a plurality of probe needles to be brought into contact with a semiconductor wafer (W) is supported by the test head. Three engaging rods (15) are disposed on the test head around the probe card to receive the load of the test head in a distributed manner. A vertically movable work table (5) is disposed on the apparatus body to place a substrate thereon. Two first support mechanisms (11) and one second support mechanism (12) are disposed on the apparatus body around the work table to support the test head such that the probe card opposes the work table. The support mechanisms detachably engage with the engaging rods and support the test head through the engaging rods. The first support mechanisms have elevating mechanisms (20) for moving the test head in the vertical direction through the engaging rods. When the test head is moved by the elevating mechanisms, the inclination of the probe card with respect to the wafer placed on the work table is adjusted.
摘要:
A call admission control scheme for a CDMA mobile communication system which can satisfy a given connection quality (blocking probability) while guaranteeing a predetermined communication quality. At each base station, a blocking probability and an outage probability of communication quality at each base station are calculated to adjust a maximum number of simultaneously connectable users at each base station according to the calculated results, and a call admission control is carried out according to the adjusted maximum number of simultaneously connectable users. A maximum number of simultaneously connectable users or an interference threshold can be determined from a first relationship between an offered traffic and a maximum number of simultaneously connectable users or an interference threshold for guaranteeing the prescribed communication quality and a second relationship between an offered traffic and a maximum number of simultaneously connectable users or an interference threshold for satisfying the prescribed blocking probability, and used for the call admission control.
摘要:
Disclosed is a method of metal-plating electrode portions of a printed-wiring board, comprising the following steps:
step (A) for copper-plating (3) the overall surface of the printed-wiring board on which an electric circuit (2) has been formed, step (B) for forming a metal plating resist coating (4) on the copper plated wiring board except electrode portions, subjecting, at least one time, the electrode portions, which are not covered with the resist coating (4), to an electrolytic metal plating (5) process and then removing the remaining resist coating (4) step (C) for optionally repeating the step (B) by a predetermined number of times, step (D) for forming an etching resist coating (6) on the circuit portion (2) including the electrode portions, and step (E) for removing the copper-plated portion (3) except the circuit portion (2) by etching and then stripping the etching resist coating (6).