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Kmw Inc patents


Recent patent applications related to Kmw Inc. Kmw Inc is listed as an Agent/Assignee. Note: Kmw Inc may have other listings under different names/spellings. We're not affiliated with Kmw Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kmw Inc-related inventors


Multi-divisional antenna

Provided, as a multi-divisional antenna, in the present disclosure, is a canister antenna having a plurality of divided antennas arranged so as to have an integrated appearance. The antennas are fixed to an adapter with strong tension by using a connection member such as a wire. ... Kmw Inc

Cavity type wireless frequency filter having cross-coupling notch structure

The present invention relates to a cavity type wireless frequency filter having a cross-coupling notch structure, the filter comprising a notch substrate provided for cross-coupling between at least two resonance elements among a plurality of resonance elements, wherein the notch substrate comprises: a main substrate, which is made of a non-conductive material and has the first and second coupling structures mechanically coupled with at least two resonance elements, respectively; and a conductive line which is implemented by a conductive pattern formed on the main substrate and transfers a signal of a first resonance element to a second resonance element by using a non-contact coupling method.. . ... Kmw Inc

Multi-polarized radiation element and antenna having same

A multi-polarized radiating element of the present disclosure includes first, second, third, and fourth radiating arms arranged in a four-way symmetrical manner on a plane; a first feeding line commonly fed to the fourth radiating arm and the first radiating arm, and commonly grounded to the second radiating arm and the third radiating arm; and a second feeding line commonly fed to the first radiating arm and the second radiating arm, and commonly grounded to the third radiating arm and the fourth radiating arm.. . ... Kmw Inc

Electronic device and method for controlling industrial communication device, and industrial communication device thereof

An electronic device for controlling an industrial communication device may include: a near field communication module; a main communication module; and a control unit configured to confirm one or more contacts connected to a conversation group of a messenger application when a voice signal corresponding to a first voice is received from an industrial communication device paired through the near field communication module, and transmit a voice message corresponding to the first voice to the corresponding device or devices of the confirmed contact or contacts using the main communication module.. . ... Kmw Inc

Multi-line phase shifter of multi-band mobile communication base station antenna

A multi-line phase shifter of a multi-band mobile communication base station antenna includes: a multi-line phase shifting circuit for receiving an input signal of a first frequency band, and dividing and phase-shifting the input signal so as to correspond to a plurality of radiation elements; and a plurality of frequency combination/division circuits for receiving a plurality of signals divided and phase-shifted by the multi-line phase shifting circuit and a plurality of signals of a second frequency band which have been inputted by being divided and phase-shifted for a plurality of radiation elements by an external multi-line phase shifter, combining corresponding signals, and outputting the same to the plurality of radiation elements.. . ... Kmw Inc

Waveguide power divider, waveguide phase shifter, and polarized antenna using same

The present disclosure provides a polarized antenna including a waveguide power divider, a waveguide phase shifter and a radiating unit. The waveguide power divider is configured to have an input waveguide for receiving a transmission signal, and first and second output waveguides for distributing and outputting the transmission signal. ... Kmw Inc

Waveguide filter

The present disclosure provides a waveguide filter including a casing configured to form a waveguide having a side wall formed at least partially with a through hole region, a plurality of partitions configured to form resonance sections by partitioning an interior of the waveguide within the casing, a fitting configured to have a body section that is fitted with the through hole region of the casing so as to define at least a part of an inner region of the waveguide, and to have a head section formed to correspond to at least a partial peripheral region around the through hole region of the casing so that the head section is coupled with the casing, and at least one tuning sheet configured to be held interposed between the head section of the fitting and the casing when coupled.. . ... Kmw Inc

Radio frequency filter having cavity structure

The present disclosure provides a radio frequency filter having a cavity structure including a housing, a cover and a resonance element. The housing has a hollow interior for providing a cavity, and an open side. ... Kmw Inc

Radio frequency filter employing notch structure

The present invention relates to a radio frequency filter employing a notch structure, wherein the notch structure is a dual notch structure which comprises: a c notch structure formed in a predetermined region at a partition between two cavities to be cross-coupled; and an l notch structure formed together with the c notch structure in a predetermined region at a partition between two cavities.. . ... Kmw Inc

Signal distributing/combining apparatus in antenna apparatus of mobile communication base station

A signal distributing/combining apparatus in an antenna device of a mobile communication base station includes a circuit board configured to have an upper surface formed with a signal distributing/combining conductor pattern for a high frequency signal distributing/combining operation, and a support plate configured to have an upper mounting surface of a size corresponding to the circuit board, to mate with the circuit board so that an underside of the circuit board is in close contact with the upper mounting surface for supporting the circuit board, and to fixedly mate with the antenna device at a reflection plate on a bottom side of the support plate. The support plate is provided with a plurality of cable holders for supporting and fixating coaxial cables for signal transmission which are connected from outside of the apparatus.. ... Kmw Inc

Led illumination device for spotlighting

An led illumination device for spotlighting includes: a lower case part having a plurality of planar inner side surfaces so that a light-emitting hole on the bottom surface thereof can be a polygonal shape; an upper case part, positioned above the lower case part, for receiving a power supply unit; substrates which are respectively coupled to the planar inner side surfaces of the lower case part and in which leds are mounted such that a light-emitting surface can be directed to the central part of the polygon; and a plurality of heat dissipation fins which are protrudingly positioned along the circumference of the lower case part, wherein the spaces between the heat dissipation fins communicate in the longitudinal direction of the lower case part. A case is manufactured as a single structure and components such as a power supply unit, led-mounted substrates, reflective plates, etc. ... Kmw Inc

Led lighting device directly coupled to power supply unit

An led lighting device directly coupled to a power supply unit includes: a lighting unit (100) having a mounting space (150), in the bottom of which a substrate (120) mounted with leds is mounted, with a plurality of heat dissipation fins (140) provided on an upper portion of the lighting unit (100); a power connection unit (300) protruding upward from the upper portion of the lighting unit (100) and having a power connection hole (310) capable of supplying power to the substrate (120); and a power supply unit (200) that is a switching mode power supply (smps) coupled to the power connection unit (300) to supply power to the substrate (120). The led lighting device has a simple structure and is capable of reducing the production cost.. ... Kmw Inc

Multimode resonator

The present invention relates to a multimode resonator comprising: a housing provided with a cavity substantially corresponding to one accommodation space; a plurality of resonance arms arranged at preset intervals from each other in the cavity and generating resonance signals by complex mutual coupling; and a plurality of resonance legs for respectively supporting the plurality of resonance arms.. . ... Kmw Inc

Multi-mode resonator

The present invention relates to a multi-mode resonator comprising: a housing in which a cavity corresponding to a substantially single accommodating space is arranged; and multiple resonance ribs which are arranged at a predetermined interval therebetween in the cavity, have lower ends fixed to a floor surface of the housing, have upper ends facing each other, and generate a resonance signal by multiple coupling therebetween.. . ... Kmw Inc

09/21/17 / #20170273165

Street light management method and apparatus

A street light management method includes: receiving from a server at predetermined intervals and updating at least one of information about a node that is at least one street light, information about a gateway that communicates with the node and the server, and information about a communication channel between the node and the gateway; displaying the node in a corresponding position on a digital map displayed on a screen using position information included in the information about the node and displaying the gateway in a corresponding position on the digital map using position information included in the information about the gateway; and displaying corresponding information in at least one of information display windows on the screen according to the received information or a user operation.. . ... Kmw Inc

09/21/17 / #20170271760

Compact antenna apparatus for mobile communication system

A compact antenna apparatus for a mobile communication system includes: a radome having at least one frequency band radiating element provided therein; at least one phase shifter portion which is provided in an inner side of the radome and which is connected to the radiating element to adjust a tilting angle of the radiating element; and a rotary knob portion which is provided so as to be exposed to the outside of the radome and which is directly coupled to the phase shifter portion to drive a phase shifter.. . ... Kmw Inc

09/14/17 / #20170265090

Antenna control system in base station system and configuration method therefor

An antenna control system in a base station system, and a configuration method of the antenna control system are disclosed. A method of controlling antennas in a multi-ald (antenna line device) system including alds and ports linked with multiple base stations is provided including receiving configuration command by one of alds from one of base stations, transferring configuration command by the ald that received configuration command to each of remaining alds, and setting an antenna for controlling or port for linking by each ald according to the configuration command. ... Kmw Inc

09/07/17 / #20170257207

Combiner for use in multi-band base station and method for controlling combiner

The present disclosure relates to a combiner utilized in a multi-band base station system and including a plurality of first ports assigned different frequency bands and a second port in connection with a common feeder cable, including dc signal lines each branching from each first port and the second port, control signal lines each branching from each first port and the second port, switching modules on each of the dc signal lines, modems provided on each control signal line to modulate or demodulate an input control signal, and a control unit configured to control switching of each switching module according to an operation type of the combiner. The operation type includes a first type being responsive to signal inputs through at least some of the plurality of first ports and a second type being responsive to a signal input through the second port.. ... Kmw Inc

09/07/17 / #20170252800

Aluminum alloy for die-casting, having improved corrosion resistance

An aluminum alloy includes 6 to 8.5 wt % of magnesium (mg), 4 to 6 wt % of silicon (si), 0.4 to 0.8 wt % of iron (fe), 0.2 to 0.5 wt % of manganese (mn), 0.01 to 0.1 wt % of copper (cu), 0.05 to 0.15 wt % of titanium (ti), and the remainder being aluminum (al), and may be in use for die-casting electronic components or communication components which require weight reduction and high corrosion resistance.. . ... Kmw Inc

08/24/17 / #20170244173

Waveguide slot array antenna

The present invention provides a waveguide slot array antenna having an excitation slot arrangement radiating a signal corresponding to an operating frequency in a radiation plate, the waveguide slot array antenna comprising: a first auxiliary radiation plate installed on a main radiation plate and rotating a polarization plane of a signal radiated from the excitation slot arrangement of the main radiation plate; and a second auxiliary radiation plate installed on the first auxiliary radiation plate and distributing and radiating the signal, the polarization plane of which has been rotated in the first auxiliary radiation plate.. . ... Kmw Inc

08/24/17 / #20170244159

Mobile communication base station antenna

A mobile communication base station antenna includes: a reflecting plate; a first patch-type radiating element installed on the reflecting plate; a second dipole-type radiating element installed and stacked on the first radiating element; and a circuit board for feeding power installed on the same surface as a surface of the reflecting plate on which the first radiating element and the second radiating element are installed and having a conductive pattern formed thereon to provide a feeding signal to the first radiating element.. . ... Kmw Inc

08/17/17 / #20170237160

Antenna device

An antenna device according to one of various examples of the present invention can comprise: an antenna module; a radio remote head (rrh) for receiving signals from the antenna module and a base station; guide modules for guiding the rrh such that the rrh slidably moves in an inclined state in the antenna module, for providing one end portion of the rrh to be rotated, and for providing the other end portion of the rrh to move vertically in the sliding movement direction; connection modules provided on a surface on which the antenna module and the rrh face each other, and electrically connecting the rrh and the antenna module; and coupling modules provided on one side of the rrh so as to move the connection modules, thereby mutually coupling or separating the connection modules.. . ... Kmw Inc

07/20/17 / #20170207836

Base station device in mobile communication system

A base station apparatus of mobile communication system is provided, including an antenna system including first antenna for transceiving signals for a first path among mimo paths, and a second antenna for transceiving signals for a second path among the mimo paths, a first duplexer including transmission filter for processing the transmitted signal of first path and reception filter for processing the received signal of second path, a second duplexer including reception filter for processing the received signal of first path and transmission filter for processing the transmitted signal of second path, and a path change unit for providing the transmitted signal provided from the first duplexer to the first antenna and the received signal provided from the first antenna to the second duplexer and to provide the transmitted signal from the second duplexer to the second antenna and the received signal from the second antenna to the first duplexer.. . ... Kmw Inc

07/20/17 / #20170207835

Base station device in mobile communication system

A base station apparatus of mobile communication system is provided, including an antenna system including first antenna for transceiving signals for a first path among mimo paths, and a second antenna for transceiving signals for a second path among the mimo paths, a first duplexer including transmission filter for processing the transmitted signal of first path and reception filter for processing the received signal of second path, a second duplexer including reception filter for processing the received signal of first path and transmission filter for processing the transmitted signal of second path, and a path change unit for providing the transmitted signal provided from the first duplexer to the first antenna and the received signal provided from the first antenna to the second duplexer and to provide the transmitted signal from the second duplexer to the second antenna and the received signal from the second antenna to the first duplexer.. . ... Kmw Inc

07/20/17 / #20170207527

Portable antenna control device and antenna control system

A portable antenna control device includes: a main controller for generating a control signal for adjusting a device provided in an antenna; a modem unit for converting the control signal generated by the main controller into an on-off keying (ook) signal; a power management unit for supplying direct current power; and an ook port for synthesizing and outputting the ook signal converted by the modem unit and the direct current power supplied by the power management unit.. . ... Kmw Inc

06/22/17 / #20170179589

Antenna device for mobile communication system

The present disclosure relates to an antenna device for a mobile communication system, including a reflection plate, a service band separator/coupler and a radome. The reflection plate is configured in a plate shape, multiple radiation elements being mounted on one surface of the reflection plate so as to transmit/receive radio signals. ... Kmw Inc

06/15/17 / #20170170550

Omnidirectional antenna for mobile communication service

The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.. . ... Kmw Inc

05/11/17 / #20170132907

Power saving safety helmet capable of wireless communication, and wireless transmission and reception method therefor

The present invention relates to a power saving safety helmet capable of wireless communication, and a wireless transmission and reception method therefor, and the power saving safety helmet capable of wireless communication comprises: a voice input unit for receiving a voice input from a user; a sensor unit sensing whether an accident involving the user has occurred so as to generate an accident sensing signal; a wireless communication unit for intermittently transmitting and receiving, by using frequency channels different from each other, a voice signal and an emergency signal generated by the voice and the accident sensing signal or transmitted from the outside; a sound output unit for outputting a voice and a beep sound corresponding to the voice signal and the emergency signal transmitted from the outside; and a control unit for controlling the beep sound so as to be outputted at output time intervals which are set to be different according to the reception strength of the received emergency signal.. . ... Kmw Inc

04/27/17 / #20170115460

Extension device for transceiver

Some embodiments of the present disclosure provide a transceiver extension device. A transceiver extension device is provided for connection with an enclosure including a cage for a circuit board and a transceiver. ... Kmw Inc

04/27/17 / #20170114990

Camera-integrated led lighting device

The present invention relates to a camera-integrated led lighting device including a body having an open upper surface and providing an accommodation space therein, the body having a bottom surface formed with a rear portion of the bottom surface arranged lower than a front portion of the bottom surface, a power supply, a communication control unit, and an antenna unit accommodated in the body, a plurality of lighting units coupled to the front portion of the bottom surface of the body, a camera unit coupled to the rear portion of the bottom surface of the body, a cover part openably hinge-coupled to the upper surface of the body at one end thereof and having an antenna cover part formed with a part of the cover part protruding upward to accommodate the antenna unit in a protruded state, and a speaker unit coupled to the bottom surface of the body.. . ... Kmw Inc

04/20/17 / #20170108194

Indirect lighting apparatus using led

The present invention relates to an indirect lighting apparatus using an led, comprising: a case unit provided along the perimeter of the upper part of a wall surface, and having a light emitting opening on a side opposite to the wall surface; a substrate mounted with an led and provided at the innermost side of the inner bottom surface of the case unit; a light distributing unit for distributing light to the ceiling through the light emitting opening by reflecting the light emitted from the led; and a cover unit for covering the light emitting opening of the case unit. The present invention uses a simple structure so that the apparatus is fixedly provided on the wall surface, and can be used as main lighting or mood lighting by providing the distributed light capable of selectively illuminating the entire ceiling.. ... Kmw Inc

04/06/17 / #20170098878

Rf filter tuning system and method for manufacturing filter using the same

An automatic rf filter tuning system and a method for manufacturing a filter using the same are disclosed. An rf filter tuning system for tuning an rf filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the rf filter, a control unit configured to calculate a tuning value of the rf filter based on the resonance characteristics, and a tuning unit configured to tune the rf filter based on the tuning value calculated by the control unit. ... Kmw Inc

04/06/17 / #20170097196

Heat radiation device

Heat radiation devices according to various embodiments of the present invention may comprise: a heating plate; and a heat radiating area portion which is provided in the heating plate and has heat radiation pins having angles different from each other. Also, other various embodiments are possible.. ... Kmw Inc

03/23/17 / #20170084173

Traffic accident occurrence notification system using led display lamps

The present invention relates to a traffic accident occurrence notification system using led display lamps, comprising: an emergency message generating unit provided in a mobile means so as to generate a wireless signal in an emergency situation; a plurality of led display lamps provided together with street lamps provided on a road so as to receive the wireless signal from the emergency message generating unit and display a turned-on or flickering state from a position at which the wireless signal is received to a position at which a distance is set at a rear; and a street lamp control server for controlling the street lamps and the led display lamps and determining the position at which the wireless signal is received so as to transmit information thereof to a rescue server. The present invention provides the emergency message generating unit in a vehicle so as to detect an accident or enable a driver to recognize an emergency situation and select propagation of the emergency situation, and enables a nearby street lamp to receive the wireless signal when the emergency message generating unit transmits the wireless signal so as to turn on or flicker the led display lamps such that the led display lamps located at the rear of a distance set at a corresponding position are turned on or flicker so as to make a driver in a rearward vehicle recognize the occurrence of the emergency situation ahead, thereby preventing the occurrence of a secondary collision accident.. ... Kmw Inc

02/09/17 / #20170040682

Apparatus for controlling antenna of mobile-communication base station

The present disclosure in some embodiments provides an antenna line device installed in each antenna apparatus of a multiple antenna system, including a control part for controlling according to control signal from a base station body, and at least two of a dc ping part, rf ping part and domain detection part. The dc ping part is configured to include an electrical element installed in an operating power transfer path to cause a voltage drop, and to detect an operating power level before or after the voltage drop caused by the electrical element under the control of the control part. ... Kmw Inc








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