| Patent application number | Description | Published |
| 20080226295 | LIGHT MODULATING APPARATUS - A light modulating apparatus which is to be used in a transmission system using wavelength division multiplexing has: a signal generating section for producing a transmission signal and the like; a first light modulating section for modulating light emitted from a light source, on the basis of the transmission signal; a variable phase shifter which changes a phase of a light quantity control signal; a second light modulating section for modulating a light signal emitted from the first light modulating section, on the basis of an output of the variable phase shifter; a branching section for branching a light signal emitted from the second light modulating section, into an output light signal and an electric signal; and an analysis controlling section for sampling the electric signal, controlling the variable phase shifter on the basis of sampled data, and adjusting a timing of the modulation in the second light modulating section. | 09-18-2008 |
| 20090091480 | HIGH-FREQUENCY MODULE FOR PERFORMING EFFECTIVE PHASE COMPENSATION OF CLOCK FOR INPUT DIGITAL SIGNAL - A high-frequency module includes a high-speed logic circuit for processing an input digital signal having a transmission rate of several tens of Gbps by detecting the level of the input digital signal by using a clock having a frequency of several tens of GHz; a variable delay circuit for adding a specific amount of delay to the clock, and outputting the clock to the high-speed logic circuit, wherein the amount of delay is variably set in accordance with a manipulation signal; a phase comparator for measuring a phase difference between the input digital signal and the clock which is input into the high-speed logic circuit, and outputting a phase-difference signal in accordance with the phase difference; a filter for extracting a direct-current signal, which indicates the phase difference, from the phase-difference signal input from the phase comparator; and a controller for generating the manipulation signal assigned to the variable delay circuit, by using the direct-current signal input from the filter. | 04-09-2009 |
| 20100066456 | CLOCK REPRODUCING APPARATUS - A clock reproducing apparatus includes a clock reproducing circuit having: a gated oscillator having an oscillating circuit of two routes; and a frequency control circuit for comparing a phase of an output of the gated oscillator with a phase of a reference clock, and supplying a phase control signal to the gated oscillator based on the comparison result so as to set a delay time, input data is input to a reset input terminal of the gated oscillator, and different route of the two routes of the oscillating circuit operates depending on a case where the input data is “H” and a case where the input data is “L”. | 03-18-2010 |
| Patent application number | Description | Published |
| 20080313626 | APPLICABLE PATCH SELECTION DEVICE AND APPLICABLE PATCH SELECTION METHOD - An applicable patch selection device comprises a first extraction unit for extracting, on the basis of information on an application target system, information on all the patches unapplied to the application target system from among information on released patches, an input unit to which a user's policy is input, a second extraction unit for extracting, in accordance with the user's policy input into the input unit, information on an unapplied patch to be actually applied to the application target system from among the information on all the unapplied patches extracted by the first extraction unit, and an unapplied patch obtainment unit for obtaining an unapplied patch corresponding to the information, extracted by the second extraction unit, on the unapplied patch to be actually applied to the application target system. | 12-18-2008 |
| 20110161949 | METHOD AND APPARATUS FOR SOFTWARE PATCH APPLICATION - In order to minimize the time during which the computer system is stopped for patch application, an application patch extraction process comparing latest patch information and applied patch information to extract unapplied patches and to extract, among the unapplied patches, application patches whose application target is installed software; a applicable-patch-during-operation-continuation extraction process extracting, among the application patches, applicable-patches-during-operation-continuation that do not have at least user asset destruction possibility or incompatibility possibility; a patch application schedule generation process generating a patch application schedule to apply the applicable-patches-during-operation-continuation during a time zone in which software being the application target of the applicable-patches-during-operation-continuation is not executed; and a patch application process applying the applicable-patches-during-operation-continuation to software being the application target, according to the patch application schedule while the operation in continued are executed. | 06-30-2011 |