摘要:
An optical switch having a plurality of switch cells. The optical switch has n inputs (n is a natural number) and m outputs (m is a natural number). The optical switch has a unit size defined as the distance between any two adjacent ones of the switch cells. The optical switch comprises a substrate having a switch size of K×L (K is an integer satisfying n≦K, and L is an integer satisfying m≦L), first and second mirrors parallel to each other and perpendicular to a principal surface of the substrate, and an optical unit providing a plurality of input optical paths for the n inputs and a plurality of output optical paths for the m outputs. The plurality of input optical paths are inclined relative to the first and second mirrors, and the plurality of output optical paths are inclined relative to the first and second mirrors. Each switch cell comprises a switch mirror provided movably relative to the substrate. With this configuration, the path dependence of loss is substantially eliminated.
摘要:
The present invention aims at providing an optical switch changeover controlling method, an optical node device and an optical switch system, capable of avoiding an interruption in an optical output power when changing over an optical path making use of a spatial optical switch arranged with a plurality of optical switch elements. To this end, the optical switch changeover controlling method according to the present invention enables an uninterrupted changeover of an optical path by conducting a reconnection of the optical path after establishing a state where the optical path before the changeover and the optical path after the changeover are simultaneously set concerning the spatial optical switch within the optical node device, when conducting a changeover of the optical path so as to transmit a client optical signal having been transmitted through a working ray path to a protective ray path such as in a case that a fault occurs in the working ray path.
摘要:
A protection switch comprising a demultiplexer, optical selector, a multiplexer, and a monitor circuit is provided on the input side and the output side of an optical XC node. The demultiplexer demultiplexes the wavelength-multiplexed optical signals of a 0-system and a 1-system, and transmits these optical signals to the optical selectors which are provided for the respective wavelengths. The optical selectors are controlled by the monitor circuit, and switch the optical signal of one system to that of the other system when a fault occurs. The optical signals of the respective wavelengths outputted from the optical selectors are multiplexed by a multiplexer to be transmitted. The demultiplexer and the multiplexer can be differently arranged depending on the configuration of a transmission line or the optical XC node. Further, a multi-wavelength selection filter such as an acousto-optical filter or the like can be used as a protection switch.
摘要:
The present invention,is directed to an optical space switch accommodating a plurality of input light paths and output light paths. The optical space switch comprises a plurality of polarization control optical switches, each consisting essentially of: polarization control means having elements, one for each input light path, for rotating through 90° the polarizing direction of light information incident from each input light path or otherwise retaining the polarizing direction thereof for output; and a light path routing element for routing the light path for the light information output from the polarization control means in accordance with the polarizing direction of the light information. These polarization control optical switches are arranged in a matrix pattern or coupled in cascade to implement a polarization control optical space switch.
摘要:
Provided is an isolated phytase derived from a microorganism. The microorganism is preferably from the genus Monascus. The phytase has a Michaelis constant of 10 to 110 &mgr;M when phytic acid is used as a substrate. A process for producing the phytase also is provided, as is an animal feed comprising the phytase.
摘要:
The present invention is directed to an optical space switch accommodating a plurality of input light paths and output light paths. The optical space switch comprises a plurality of polarization control optical switches, each consisting essentially of: polarization control means having elements, one for each input light path, for rotating through 90.degree. the polarizing direction of light information incident from each input light path or otherwise retaining the polarizing direction thereof for output; and a light path routing element for routing the light path for the light information output from the polarization control means in accordance with the polarizing direction of the light information. These polarization control optical switches are arranged in a matrix pattern or coupled in cascade to implement a polarization control optical space switch.
摘要:
In an image forming apparatus such as a copying machine or the like having a sorter with a plurality of paper ejection bins, there is provided a sorter apparatus which can efficiently execute a dividing and sorting operations for every work irrespective of a size and a direction of sheets, the presence or absence of a sheet stapler, a remaining state in the sheet sorter apparatus, or the like. A recycle automatic document feeder (RDF) for automatically feeding originals, a sorter, an aligning bar and a reference bar in a sorter bin, and the like are provided. When a length of sheet exceeds a predetermined value, the movement of the sheets by the reference bar is inhibited.
摘要:
An optical processing device for converting a wavelength of an optical signal comprises an optical processing unit supplied with an input optical beam carrying thereon one or more optical signals with respective wavelengths that are different from each other, the optical processing means being further supplied with a control optical beam having a stabilized reference wavelength and selecting the optical signal that has a first wavelength and outputting the same with a second wavelength that is specified by the reference wavelength; and a control unit for controlling the optical processing unit by specifying the first wavelength of the optical beam to be selected.
摘要:
A communication system for transmitting a fixed-length cell converted from a variable-length information including data and a destination of the data. The system includes a cell assembly/disassembly device for performing bi-directional conversion between the variable-length information and the fixed-length cell, a routing control device for receiving the fixed-length cell converted from the variable-length information by the cell assembly/disassembly device, for analyzing the destination of the data and for controlling a routing of the fixed-length cell based on the analyzed destination, and having an error detecting device for detecting an error of the variable-length information in the fixed-length cell, and a network for connecting the cell assembly/disassembly device and the routing control device by a fixed capacity path and for connecting the routing control device to another routing control device by the fixed capacity path or a variable capacity path.
摘要:
In a system with a plurality of image processing apparatuses connected communicably, customization of various kinds of information displayed on each image processing apparatus is facilitated. In order to achieve this object, an information processing method of the invention is an information processing method in a copying machine (102) communicably connected to a GUI generation device (104). The method includes a display step of displaying a screen registered in advance in image processing, a step (step S601) of requesting, of the GUI generation device (104), information about the display contents of the screen in a predetermined state, a step (step S602) of receiving the information about the display contents of the screen from the GUI generation device (104), and a step of generating a screen by using the received information about the display contents of the screen. In the display step, the screen generated in the generation step is displayed in the predetermined state.