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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 21. Отображено 21.
14-12-2011 дата публикации

Controller and method for adjusting brightness of light source as well as lighting system

Номер: CN0102014548B
Принадлежит:

The invention discloses a controller and a method for adjusting the brightness of a light source as well as a lighting system. The controller for adjusting the brightness of the light source comprises a detector, a dimming signal generator and a pulse generator, wherein the detector detects an initiating stage of a burst dimming period of the light source by detecting the current passing the light source and generates a trigger signal when the initiating stage ends, in which the burst dimming period comprises a start time slot and a close time slot, and when the current passing the light source rises to a preset value, the initiating stage ends; the dimming signal generator is coupled to the detector for responding the trigger signal and triggering the start time slot of the burst dimming period, the start time slot lasts for preset duration, and the pulse generator is coupled to the dimming signal generator, used for generating a pulse signal to control a current passing the light source ...

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13-04-2011 дата публикации

Drive circuit and method of drive light source and controller

Номер: CN0102014543A
Принадлежит:

The invention discloses a drive circuit and method of a drive light source and a controller. The drive circuit comprises a frequency controller and a switching module, wherein the frequency controller receives a first dimming signal; if a light source is controlled according to the first dimming signal, the light source emits the preset brightness; when the frequency of the first dimming signal is within at least one preset range, the frequency controller generates a second dimming signal according to the first dimming signal, wherein when the frequency of the second dimming signal is beyond the at least one preset range, the switching module switches on and off alternately according to the second dimming signal so as to acquire the preset brightness; when the frequency of the first dimming signal is beyond the at least one preset range, the switching module switches on and off alternately according to the first dimming signal so as to acquire the preset brightness. The frequency of the ...

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23-06-2023 дата публикации

Intelligent lock and authorization management system of intelligent lock

Номер: CN116311606A
Принадлежит:

The invention provides an intelligent lock and an authorization management system of the intelligent lock, and relates to the field of intelligent locks. An authorization management system of an intelligent lock comprises a signal connection module used for establishing a signal interaction bridge, the signal connection module is connected with a server and a mobile device, the server comprises an authorization management system and an unlocking system, the authorization management system is used for carrying out identity authorization on the unlocking system, and the unlocking system is used for carrying out identity authentication on the unlocking system. The authorization management system comprises an authorization processing module, an authorization verification module, an authorization updating module, a management library and a first data transmission module. According to the intelligent lock and the authorization management system of the intelligent lock, when the lock is unlocked ...

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14-07-2010 дата публикации

Plant nutritional agent

Номер: CN0101774834A
Принадлежит:

The invention provides a plant nutritional agent, which is prepared from honey and molasses through being mixed. In addition, substances such as trace elements, compound fertilizers or phylloceras sugar and the like can be added. The sugar in the plant nutritional agent can promote the reproductive growth of crops, promote the flower bud differentiation and the fruit setting, and the yield, the quality and the flavor of farm products can be obvious improved because of the addition of other additives.

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13-04-2011 дата публикации

Controller and method for adjusting brightness of light source as well as lighting system

Номер: CN0102014548A
Принадлежит:

The invention discloses a controller and a method for adjusting the brightness of a light source as well as a lighting system. The controller for adjusting the brightness of the light source comprises a detector, a dimming signal generator and a pulse generator, wherein the detector detects an initiating stage of a burst dimming period of the light source and generates a trigger signal when the initiating stage ends, the burst dimming period comprises a start time slot and a close time slot, the dimming signal generator is coupled to the detector for responding the trigger signal and triggering the start time slot of the burst dimming period, the start time slot lasts for preset duration, and the pulse generator is coupled to the dimming signal generator, used for generating a pulse signal to control a current flowing through the light source and is started in the start time slot and closed in the close time slot. Compared with the prior art, the invention can achieve dimming control with ...

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13-04-2011 дата публикации

Driving circuit of vehicle-mounted light source, control method and equilibrium controller

Номер: CN0102014552A
Автор: Guo Qingquan, Li Shengtai
Принадлежит:

The present invention provides a driving circuit of a vehicle-mounted light source, a control method for the vehicle-mounted light source, and an equilibrium controller. The driving circuit of the vehicle-mounted light source comprises a plurality of current limiters and one equilibrium controller. The plurality of current limiters respectively adjust the current of a plurality of light sources. The equilibrium controller causes a fact that the current of each light source is equal with a first target current through controlling the plurality of current limiters, and controls the plurality of current limiters in vehicle braking for causing a fact that the current of each light source is equal with a second target current. Therefore, the driving circuit can adjust the current of the plurality of light sources and causes equilibrium.

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17-02-2010 дата публикации

Wired remote transmission frequency-conversion water supply system through pressure signals

Номер: CN0101649631A
Принадлежит:

The invention relates to a wired remote transmission frequency-conversion water supply system through pressure signals, which comprises a pressure transducer, an intelligent regulator, a frequency-conversion speed controller, a motor, a water pump, a water supply pipeline, and the like, wherein power is supplied to the pressure transducer through a UPS AC power supply via the current terminal of an image current source on the water supply pipeline at the tail water using area of the pressure transducer; pressure signals are transmitted to the intelligent regulator through a telephone cable andthe image end with image current in a wired way, and thus, a closed control system is formed. Wired remote transmission frequency-conversion water supply under constant pressure is realized, an imagecurrent circuit in the system eliminates the resistance of the wired cable as well as attenuation to the transmission signals after resistance change, the delay of pressure signals in the process oftransmission ...

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14-12-2011 дата публикации

Driving circuit of vehicle-mounted light source, control method and equilibrium controller

Номер: CN0102014552B
Принадлежит:

The present invention provides a driving circuit of a vehicle-mounted light source, a control method for the vehicle-mounted light source, and an equilibrium controller. The driving circuit of the vehicle-mounted light source comprises a plurality of current limiters and one equilibrium controller. The plurality of current limiters respectively adjust the current of a plurality of light sources. The equilibrium controller causes a fact that the current of each light source is equal with a first target current through controlling the plurality of current limiters, and controls the plurality ofcurrent limiters in vehicle braking for causing a fact that the current of each light source is equal with a second target current. Therefore, the driving circuit can adjust the current of the plurality of light sources and causes equilibrium.

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13-04-2011 дата публикации

Drive circuit and controller for controlling electric power of light source

Номер: CN0102014540A
Принадлежит:

The invention provides a drive circuit and a controller for controlling electric power of a light source, wherein the drive circuit comprises a first inductor and a controller; the first inductor is connected in series with the light source, and the controller is coupled with the first inductor; the controller controls a switch coupled with the first inductor so as to control the current flowing through the first inductor; no matter whether the switch is switched on or off, a current monitor coupled with the first inductor can provide a first signal which indicates the current flowing through the first inductor; the conducting state of the switch is controlled according to the first signal; a second inductor and the first inductor are electromagnetically coupled with each other, and are connected to a common node together; the common node is arranged between the switch and the first inductor, and provides a reference ground for the controller; and the reference ground of the controller ...

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25-05-2011 дата публикации

Light source drive circuit, controller and method for controlling light source brightness

Номер: CN0102076149A
Принадлежит:

The invention discloses a light source drive circuit, a controller and a method for controlling light source brightness. The light source drive circuit comprises a converter, a sensor and the controller, wherein the converter is used for transforming an input voltage into an output voltage of a light source according to a driving signal, the average current flowing through the light source depends on the duty ratio of the driving signal, the sensor is selectively connected to or disconnected with the converter according to the driving signal, an induced voltage which indicates a current flowing through the light source is generated by the sensor when the sensor is connected with the converter, the controller is connected with the sensor and the converter and used for comparing the induced voltage with a reference voltage which indicates a preset average current flowing through the light source to generate a compensating signal, the driving signal is generated according to the compensating ...

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10-02-2016 дата публикации

Pass through drilling rod

Номер: CN0205025374U
Принадлежит:

The utility model discloses a pass through drilling rod has solved all very little technical problem of thrust that the current directional pass through drilling rod of boring can bear and rotation torque. This pass through drilling rod's one end has the internal thread that the screw thread was detained to the coarse thread digit, and pass through drilling rod's the other end has the external screw thread that the screw thread was detained to the coarse thread digit, and internal thread and external screw thread can close as an organic wholely soon, and wherein, external screw thread, internal screw thread pitch diameter are 9.5-9.6 inches. Can use in long distance, the construction of heavy -calibre directional drilling crossing, guarantee reliably going on of crossing construction engineering.

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04-01-2012 дата публикации

Light source drive circuit, controller and method for controlling light source brightness

Номер: CN0102076149B
Принадлежит:

The invention discloses a light source drive circuit, a controller and a method for controlling light source brightness. The light source drive circuit comprises a converter, a sensor and the controller, wherein the converter is used for transforming an input voltage into an output voltage of a light source according to a driving signal, the average current flowing through the light source depends on the duty ratio of the driving signal, the sensor is selectively connected to or disconnected with the converter according to the driving signal, an induced voltage which indicates a current flowing through the light source is generated by the sensor when the sensor is connected with the converter, the controller is connected with the sensor and the converter and used for comparing the inducedvoltage with a reference voltage which indicates a preset average current flowing through the light source to generate a compensating signal, the driving signal is generated according to the compensating ...

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22-06-2011 дата публикации

Wired remote transmission frequency-conversion water supply system through pressure signals

Номер: CN0101649631B
Принадлежит:

The invention relates to a wired remote transmission frequency-conversion water supply system through pressure signals, which comprises a pressure transducer, an intelligent regulator, a frequency-conversion speed controller, a motor, a water pump, a water supply pipeline, and the like, wherein power is supplied to the pressure transducer through a UPS AC power supply via the current terminal of an image current source on the water supply pipeline at the tail water using area of the pressure transducer; pressure signals are transmitted to the intelligent regulator through a telephone cable and the image end with image current in a wired way, and thus, a closed control system is formed. Wired remote transmission frequency-conversion water supply under constant pressure is realized, an image current circuit in the system eliminates the resistance of the wired cable as well as attenuation to the transmission signals after resistance change, the delay of pressure signals in the process oftransmission ...

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05-05-2023 дата публикации

Controller for controlling resonant converter

Номер: CN116068927A
Принадлежит:

The invention discloses a controller for controlling a resonant converter. The controller includes: a first sensing pin coupled to the power source for receiving a first sensing signal indicative of a level of an input voltage of the resonant converter; a second sensing module coupled to a second sensing pin of the resonant converter for receiving a second sensing signal indicative of a level of an input current of the resonant converter; a feedback pin coupled to the resonant converter through a feedback circuit for receiving a feedback signal indicative of a level of an output voltage of the resonant converter; and a first drive pin and a second drive pin coupled to the resonant converter for controlling a high-side switch and a low-side switch of the resonant converter, respectively. The controller is configured to generate a compensation signal according to the first sensing signal, compare the compensation signal with a peak value of the second sensing signal to generate a first comparison ...

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13-04-2011 дата публикации

Light source driving circuit and method for regulating electric power of light source

Номер: CN0102014541A
Принадлежит:

The invention discloses a light source driving circuit and a method for regulating the electric power of a light source. The light source driving circuit comprises an electric power converter, a controller and a voltage-controlled current source, wherein the electric power converter is coupled with the light source; the controller is coupled with the electric power converter; the voltage-controlled current source is coupled with the controller and generates a first current; the electric power converter receives input voltages from a power supply and supplies output voltages to the light source; and the controller controls a switch connected in series with the light source through the first current to control the electric power of the light source. The method comprises the following steps of: converting the input voltages into the output voltages of both ends of the light source; generating the first current by utilizing the voltage-controlled current source; generating a second current ...

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11-02-2015 дата публикации

Preparation method of high temperature resistant composite coating

Номер: CN104342017A
Принадлежит:

The invention relates to a preparation method of a high temperature resistant composite coating. The coating comprises, by mass, 50-70% of an organosilicon base material, 20-40% of a filler, 3-6% of an assistant and 20-40% of a solvent. The high temperature resistant organosilicon composite coating prepared in the invention has a double-layer protection layer, and overcomes original disadvantages of easy scorification under high-temperature dry burning conditions, easy oxidation after long time use and the like.

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28-12-2011 дата публикации

Drive circuit and method of drive light source and controller

Номер: CN0102014543B
Принадлежит:

The invention discloses a drive circuit and method of a drive light source and a controller. The drive circuit comprises a frequency controller and a switching module, wherein the frequency controller receives a first dimming signal; if a light source is controlled according to the first dimming signal, the light source emits the preset brightness; when the frequency of the first dimming signal is within at least one preset range, the frequency controller generates a second dimming signal according to the first dimming signal, wherein when the frequency of the second dimming signal is beyond the at least one preset range, the switching module switches on and off alternately according to the second dimming signal so as to acquire the preset brightness; when the frequency of the first dimming signal is beyond the at least one preset range, the switching module switches on and off alternately according to the first dimming signal so as to acquire the preset brightness. The frequency of the ...

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14-12-2011 дата публикации

Light source driving circuit and method for regulating electric power of light source

Номер: CN0102014541B
Принадлежит:

The invention discloses a light source driving circuit and a method for regulating the electric power of a light source. The light source driving circuit comprises an electric power converter coupled with the light source, a controller coupled with the electric power converter, a voltage-controlled current source coupled with the controller and a first resistor coupled between the controller and the ground. The voltage-controlled current source generates a first current. The electric power converter receives input voltages from a power supply and supplies output voltages to the light source. The electric power converter includes switches serially connected to the light source. The controller controls the power of the light source through controlling the switches. The controller generates a second current. A third current passing the first resistor is decided together by the first current and the second current. The controller regulates the second current according to the first current so ...

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10-12-2014 дата публикации

Method for inducing formation and blooming of flower buds in rose test tube

Номер: CN104186349A
Принадлежит:

The invention provides a method for inducing formation and blooming of flower buds in a rose test tube. The method comprises the following steps of 1) performing elongation inducing cultivation on axillary buds on rose stems; 2) performing rose germfree seedling multiplication inducing cultivation to obtain a large quantity of rose germfree seedlings; 3) performing rooting inducing cultivation on rose cluster buds; 4) performing rose cluster bud test tube blooming inducing cultivation, performing normal cultivation until flower buds are formed and finally the flower buds are bloomed. According to the method disclosed by the invention, the disinfection efficiency of explants can reach 90 percent, the multiplication time can reach 6, the germfree seedling rooting rate can reach 100 percent, the flower bud induction rate in the test tube can reach 85 percent, the blooming rate is 70 percent, and the flowering phase can be kept for 30 days. Multiple problems of low rose cutting propagation ...

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09-04-2014 дата публикации

In-vitro rapid propagation method for plantains

Номер: CN103704135A
Принадлежит:

The invention provides an in-vitro rapid propagation method for plantains. The in-vitro rapid propagation method for the plantains comprises the following steps: (1) callus induction culture, namely cutting off leaf veins and leaf margins of sterilized and disinfected plantains and cutting into small blocks; inoculating the plantains to a callus induction culture medium; and carrying out regular culture to form calluses and adventitious buds; and (2) rooting culture, namely selecting the adventitious buds, with the bud lengths of not more than 2cm-3cm, obtained in the step (1); cutting off the adventitious buds from the calluses and continuing to carry out callus induction culture on the residual calluses and the adventitious buds; and inoculating the cut adventitious buds on a rooting culture medium; and regularly culturing until white roots grow to obtain aseptic plantain germchits. According to the method provided by the invention, the disinfection efficiency of explants is up to 80% ...

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25-07-2023 дата публикации

Method and system for constructing thin-walled aluminum profile drawers with concealed corner connectors and bi-directional drawer front adjustment

Номер: CN116473370A
Автор: GUO QINGQUAN
Принадлежит:

Thus, embodiments herein disclose a system (100) for constructing a thin-walled aluminum profile drawer (6) having a plurality of concealed corner connectors (5) and bi-directional drawer front adjustment, the system comprising: a thin-walled aluminum profile drawer (6), the thin-wall aluminum profile drawer comprises a left/right profile (1), a front/rear profile (2), a front base profile (3), a middle base profile, a rear base profile (4) and a plurality of concealed corner connecting pieces (5). The plurality of concealed corner connectors (5) are inserted and fastened into a router area (1.1) of the profile (1). The plurality of connecting pieces (5) are inserted and fastened into the free space (2.2) of the profile (2). Furthermore, the system comprises: a plurality of adjustment screws (7) which are rotated into the threaded circular holes (3.3) of the profile (3); a C-shaped bracket (8) providing an upper fastening portion and a lower fastening portion that produce double fastening ...

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