34results about How to "No need to increase the cost" patented technology

The invention discloses a general method for configuring a WiFi device to make the same to connect a WiFi router. The method includes the following steps that: step 1, a unidirectional physical data transmission channel is established between the WiFi device and the WiFi router; step 2, user configuration data are written and are adopted as multicast data packets, wherein the user configuration data include the SSID and password of the WiFi router; step 3, the WiFi router continuously sends the multicast packets through IP multicast; step 4, the WiFi device continuously scan all channels at intervals until a certain channel captures the multicast packets of a WiFi link layer, captures the multicast packets of the WiFi link layer, and filters the captured multicast data packets through a destination MAC address and multicast information so as to filter out illegal data packets, and obtains legitimate data packets, decrypts the data packets, performs analysis to obtain the SSID and password in the data, and is connected to the WiFi router; and step 5, if the WiFi device is successfully connected to the WiFi router, the WiFi device returns successful connection information to the WiFi device, otherwise, the method returns to the step 4, and scanning is further carried out.

The invention discloses a device and a method for controlling the transient effect in an erbium-doped fiber amplifier (EDFA). The device comprises a photoelectric detection diode, a transconductance circuit, an analog to digital converter, a digital processor and a pump laser which are connected in sequence, wherein the pump laser is used for the analog to digital converter, and the photoelectricdetection diode is used for receiving the optical fiber inputted by the EDFA. The method comprises the following steps: making the digital signals obtained by the conversion of the analog to digital converter enter a first in first out (FIFO) data queue to capture the change of optical intensity; comparing the data on the head and the tail of the FIFO data queue under the normal stage model and making the FIFO data queue be in the pre-regulation stage mode if the change of the optical intensity being more than a set proportion; locking the data on the head of the FIFO data queue, continuouslycomparing the data on the head of the FIFO data queue and the data on the tail of the FIFO data queue and making the FIFO data queue be in the over-regulation stage model if the change of the opticalintensity being more than a preset proportion; and finally adjusting the control current of the pump laser of the EDFA rapidly when the optical intensity changing suddenly so as to control the transient effect. The invention can be used for adjusting the EDFA of any type and any requirement without changing the hardware, thus the production efficiency and the flexibility are improved.

The invention discloses a sectionalized dimming device of an LED (light-emitting diode) lamp. The sectionalized dimming device is characterized by comprising an LED driver, a primary load and a secondary load, wherein the primary load comprises a primary LED light source, and is directly connected with a driving end of the LED driver; the secondary load comprises a secondary LED light source of which the two ends are connected into a constant current module, and the input end of the secondary load is connected into the driving end of the LED driver; and voltage of the primary load is within the range of the minimum working voltage and the maximum working voltage of the secondary load. Under the control of a dimmer, states of the dimming device comprises an original state, an original regulating state and a sectionalized regulating state, wherein when the dimming device is in the original state, the primary light source of the primary load is fully bright, and the dimmer is in a maximum dimming state; when the dimming device is in the original regulating state, the dimmer is regulated, the brightness of the primary LED light source begins to change along with the dimmer, and the secondary LED light source is in a constant current normally on state; and when the dimming device is in the sectionalized regulating state, the brightness of the primary LED light source is zero, and the brightness of the secondary LED light source begins to change along with the dimmer. By adopting the scheme, the same dimmer is separated into multiple regulating sections, and each section independently corresponds to one load, so that reuse of the same dimmer is realized, and the compatibility is high.

The invention discloses a lifting hook pulley with the function of rapidly regulating the rope reeling rate. The lifting hook pulley is characterized by comprising a lifting hook, a connecting frame, a left pulley block, a right pulley block, a left hoisting winch, a right hoisting winch and a steel wire rope, wherein the lifting hook is hinged to the lower end of the connecting frame; one side of the upper end of the connecting frame is hinged to the lower end of the right pulley block; the other side of the upper end of the connecting frame is hinged to the lower end of the left pulley block; hinging between the connecting frame and the left pulley block is detachable connection; the left pulley block and the right pulley block are arranged at the head of a boom; one end of the steel wire rope is arranged on the left hoisting winch; and the other end of the steel wire rope penetrates through the left pulley block and the right pulley block sequentially and is connected with the right hoisting winch finally. The lifting hook pulley has a simple structure and can rapidly realize the rate regulating function without adding extra overmuch design and manufacturing costs.

The present invention discloses a differential pressure sensor device and an encapsulation method thereof. The differential pressure sensor device includes a differential pressure sensor body, a differential pressure sensor tube socket, a differential pressure sensor bushing, two pressure sensing diaphragms and a separator; the differential pressure sensor body has two pressure sensing surfaces; the pressure sensing diaphragms are connected with the pressure sensing surfaces; the separator is arranged on a supporting portion of the inner hole operation space of the differential pressure sensor body; the pressure sensing surfaces are machined into 8-wavy groove lined structures; the depth of wavy grooves is increased, so that the stock of a pressure guiding medium in accommodating spaces is increased; a plugging hole is formed in the separator; the plugging hole is corresponding to the limiting portion of the differential pressure sensor tube socket; and when the differential pressure sensor tube socket sinks into the inner hole operation space of the differential pressure sensor body through the separator, the separator is deformed due to the pressing force of the differential pressure sensor tube socket, so that the differential pressure sensor tube socket can be fixed in the inner hole operation space of the differential pressure sensor body, and the gap of the joint of the limiting portion and the supporting portion is sealed.

A liquid crystal display that can hide the defected pixels and hiding method are disclosed that is applied to the display mode of liquid crystal display screen, first it provides a base plate, and detects and records the address data of defected pixels in the base plate, and responds to the address data of defected pixels, and interrupts the display information of the defected pixels.

The invention discloses a key distribution method and system based on multi-key combined quantum key relaying. The method comprises that: a source node and a destination node sequentially share quantum keys through relay nodes according to a key distribution sequence; and after the quantum key is shared each time, the source node and the destination node respectively calculate a final key by adopting the same algorithm, and the final key is obtained by performing at least one round of combination calculation according to the quantum key distributed in history. According to the invention, through the combined calculation of a plurality of secret keys, the secret key distribution safety is improved.

The invention discloses a non-phthalate nitrile rubber material and a preparation method thereof, and belongs to the technical field of nitrile rubber materials and preparation methods thereof. The non-phthalate nitrile rubber material comprises the following components in percentage by weight: 35%-40% of nitrile rubber, 15%-20% of fast extruding furnace carbon black, 10%-15% of semi-reinforcing furnace carbon black, 15%-20% of light calcium carbonate, 3.0%-5.0% of zinc oxide, 0.5%-1.0% of stearic acid, 0.6%-1.0% of 4,4'-di(phenyl isopropyl)diphenylamine, 0.2%-0.5% of sulfur, 0.2%-0.5% of an accelerant TT, 0.6%-1.0% of an accelerant TET, 0.6-1.0% of an accelerant CZ, and 5.0%-10.0% of a plasticizer D-810. The preparation method comprises the following steps: mixing masterbatches; performing two-stage sulphuration on the masterbatches. The non-phthalate nitrile rubber material meets the requirements of an REACH (Registration, Evaluation and Authorization of Chemicals) rule, the performance of the material is superior to that of an existing phthalate nitrile rubber material, the price of the material is the same as that of the existing phthalate nitrile rubber material, and the cost of the material does not need to be increased.

The invention discloses an apparatus for enhancing the signal-to-noise ratio of a Raman spectrometer. The apparatus comprises a main controller, a Raman laser, a laser constant current drive circuit, a linear CCD and a CCD signal processing circuit, wherein the linear CCD is electrically connected with the CCD signal processing circuit, the Raman laser is electrically connected with the laser constant current drive circuit, the main controller is electrically connected with the linear CCD, the CCD signal processing circuit and the laser constant current drive circuit, and the main controller receives an external command signal and controls the electrically connected parts. The invention further discloses a method for improving the signal-to-noise ratio of the Raman spectrometers. Through usage of an adaptive time-sharing under-saturation exposure method, precision control of the CCD and revision of software algorithms, the high signal-to-noise ratio of the Raman spectrometer using the low-cost CCD is obtained, and cost for any additional hardware is not needed, so the cost of the Raman spectrometer can be significantly reduced.

A low-heating electromagnetism generating method and a device thereof of an electromagnetic water heater aim to overcome defects that electronic components on a circuit board are poorer in working performance and easy to be damaged or joints thereof are easy to loosen and the like due to too much heat of an electromagnetic coil when a single electromagnetic coil generates electromagnetic vortex and is high in power in the prior art. The low-heating electromagnetism generating method includes that a resonance inverter circuit of the electromagnetic water heater is utilized to generate alternating magnetic field by the aid of electromagnetic coils, and generates electromagnetic vortex for a water passing magnetism-conductive metal barrel of a central core or a magnetism-conductive metal body in a water passing barrel so that the water passing magnetism-conductive metal barrel or the magnetism-conductive metal body in the water passing barrel heat automatically to heat water flowing through the barrels. The low-heating electromagnetism generating method is characterized in that more than two electromagnetic coils are parallelly arranged on the outer side of the water passing magnetism-conductive metal barrel or the water passing barrel with the magnetism-conductive metal body inside and are correspondingly connected with the resonance inverter circuit after being connected in parallel, and heat of the electromagnetic coils during working is reduced by reducing resistance thereof.

The invention relates to the technical field of environment-friendly building materials, in particular to an environment-friendly building material and a preparation method of a nanopore aqueous solution additive of the environment-friendly building material. According to the preparation method of the nano-pore aqueous solution additive, water is used as a carrier to be changed into water vapor during boiling, the water vapor passes through a nano-pore material with the pore size smaller than 50 nanometers, and an aqueous solution obtained after the water vapor is condensed by a condenser is the nano-pore aqueous solution additive capable of releasing far infrared rays and negative ions. The nano-pore aqueous solution additive disclosed by the invention can generate 4-14 micron far infrared rays at the normal temperature of 30-35 DEG C, and can generate negative ions. The nano-pore aqueous solution additive disclosed by the invention can be prepared into an environment-friendly material, and endows health and health care functions for selection and use of modern buildings and decoration materials.

The invention relates to the field of plasma-enhanced chemical vapor deposition (PECVD) equipment etching, in particular to a method for judging an etching ending point through valve opening. The method is used for judging washing finish when a cavity of PECVD equipment is washed through etching. The method is characterized in that the cavity, the etching ending point of which needs to be judged, is communicated with an exhaust duct; the exhaust duct is provided with a valve; the etching ending point is judged through the opening of the valve on the exhaust duct; and during etching, the pressure is constant and the etching ending point is judged through the opening of the valve on the exhaust duct. The method has the following beneficial effects: the method is simple and convenient and has high reliability; and the problems such as higher cost in the prior art are solved by adopting the method.

The invention discloses an IPOA implementation system and method for a card insertion type MSAN device, and relates to the field of card insertion type MSAN devices. The method comprises the steps that: an operator configures the IP address of a BRAS gateway to the card insertion type MSAN device; the device is in a master control panel agent mode; a master control panel obtains the IP address ofthe BRAS gateway; the master control panel as the IP agent initiates an ARP request, obtains the MAC address of the BRAS gateway, and sends the MAC address and the IP address of the BRAS gateway to all XDSL service single-panels; when accessing to the internet, a user sends an IPOA request message; the BRAS gateway receives the message, extracts the IP address of the user, and sends the ARP request to the user; the master control panel performs agent response by using the IP address and the MAC address distributed to the user by the operator; and the BRAS gateway obtains the MAC address and the IP address of the user. According to the IPOA implementation system and method for the card insertion type MSAN device disclosed by the invention, the XDSL service single-panels and the master control panel of the card insertion type MSAN device are combined together; and thus, IPOA functions are implemented together.