Samsung Electronics Co., Ltd.

Hewlett-Packard Development Company, L.p.

S-Printing Solution Co., Ltd.

Hp Printing Korea Co., Ltd.

Sung-Joon Park

Myong-jong Kwon

Young-ung Ha

Soon-Young Yoon

Jae-Hee Cho

Dae-Hyun Kim

Jin-wook Lee

Byung-ha Park

Kyong-il Kim

In-Seok Hwang

Hoon Huh

Jae-sik Min

Yong-shik Park

Hyun-Wook Wook Park

Moon-chul Lee

Bong-Gee Song

Jin-hyung Kim

Jae-Hwan Chang

Kwang-Ryul Kim

Jong-seok Kim

Yong-seop Yoon

Dong-sik Shim

Hyung Ki Choi

Sang-Hoon Sung

Yong-won Jeong

Nam-Su Jho

Chul-Hyung Yang

Eun-bong Han

Myung-Hwan Kim

Do-Wan Kim

O-hyun Beak

Jung-Hee Cheon

Eun-Sun Yoo

Eun-Sun Choi

Youn Soo Seo

Nam-kyun Kim

Hung-joon Oh

Jun-woo Suh

Jao-Sik Min

Heung-Jae Im

Eun-Sun Cho

Weon-Il Jin

Dae-Youb Kim

Hwan-Joon Kim

Jea-Hong Park

Jin-Hyung Kim

Kyong-Il Kim

Myong-Jong Kwon

An image forming apparatus capable of providing a location-based service and a location information measuring apparatus are provided. The image forming apparatus includes a memory to store location information of the image forming apparatus, the location information measuring apparatus to measure the location information of the image forming apparatus based on a distance from another apparatus outside the location information measuring apparatus, and a controller to determine whether to update the location information of the image forming apparatus based on the location information stored in the memory and the measured location information, and manage the location information of the image forming apparatus.

Image forming apparatus capable of providing location-based service and location information measuring apparatus for providing location information

According to an embodiment of the present disclosure, a method and an electronic device for receiving a user input by the electronic device is provided. The method includes receiving a first touch input on a touchscreen, detecting at least part of a region contacted by the first touch input on the touchscreen, a region adjacent to the contacted region, and a position adjacent to the contacted region, after receiving the first touch input, and displaying a user interface on the touchscreen at least partially based on a relative relation between the region contacted by the first touch input, and at least one of the adjacent region and the adjacent position.

Method for providing user interface and electronic device therefor

A method of performing an image forming operation in an image forming apparatus supporting peer to peer (P2P) connection includes P2P connecting the image forming apparatus to an external wireless device while the image forming apparatus is wirelessly connected to an access point (AP) of an infrastructured network, receiving a discovery packet from the wireless device via a P2P interface, transmitting to the wireless device a response packet including an Internet protocol (IP) address of the P2P interface, receiving from the wireless device an image forming operation performing request having the IP address of the P2P interface as a destination, and performing the requested image forming operation.

Image forming apparatus supporting peer to peer connection and method of performing image forming operation thereof

Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes: a substrate, on which a plurality of heaters for heating ink to generated ink bubbles are formed; a chamber layer including a plurality of ink chambers formed on the substrate; and a nozzle layer including a plurality of nozzles formed on the chamber layer. In addition, at least one of the chamber layer and the nozzle layer is formed of an imide silicone resin.

Inkjet printhead and method of manufacturing the same

Disclosed are an inkjet printhead and a method of fabricating the same. The inkjet printhead can include a substrate; a chamber layer formed on the substrate and a nozzle layer formed on the chamber layer. The chamber layer defines one or more ink chambers in which ink to be ejected may be accommodated. The nozzle layer includes one or more nozzles through which the ink from the ink chambers are ejected. The nozzle layer may be formed of a cured product of a photosensitive dry film that includes an light absorption material.

Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes: a substrate including an ink feed hole; a chamber layer formed on the substrate and including a plurality of ink chambers in which ink supplied from the ink feed hole may be filled; and a nozzle layer formed on the chamber layer and including a plurality of nozzles through which ink may be ejected, wherein the chamber layer and the nozzle layer are respectively formed of cured products of a first negative photoresist composition and a second negative photoresist composition, wherein the first negative photoresist composition and the second negative photoresist composition include a bisphenol-A novolac epoxy resin represented by Formula 1; at least one epoxy resin selected from a first epoxy resin represented by Formula 2, and a second epoxy resin represented by Formula 3; a cationic photoinitiator; and a solvent.

Method and apparatus for performing communication between a Base Station (BS) and a Mobile Station (MS) in a Broadband Wireless Access (BWA) communication system. A method includes determining, by the BS, a Pseudo Random Bit Sequence Identifier (PRBS_ID) for renumbering subchannels in a predetermined Partial Usage of SubChannels (PUSC) zone among a plurality of PUSC zones in a downlink (DL) frame, and transmitting, by the BS, the PRBS_ID to the MS within a Space Time Coding Zone Information Element (STC_ZONE_IE) of a DL MAP message included in the DL frame.

System and method for providing services using the same frequency in a wireless communication system

An inkjet printhead includes: a substrate in which an ink feed hole is formed; a chamber layer which is formed on the substrate by performing a photolithography process and which includes a first photosensitive resin; and a nozzle layer which is formed on the chamber layer by performing a photolithography process and which includes a second photosensitive resin. The first photosensitive resin and the second photosensitive resin are materials which are developed by different developing solutions, respectively. Additional layers and components may be incorporated into the inkjet printhead and may be formed on an upper surface of the substrate. The additional layers and components may include an insulating layer, one or more heaters, one or more electrodes, a passivation layer, a glue layer, and an anti-cavitation layer.

A heater of a thermal inkjet printhead. The heater is formed of tantalum aluminum oxynitride (Ta&#x2014;Al&#x2014;ON), wherein the tantalum aluminum oxynitride is formed of about 30 to about 60 atomic % tantalum, about 10 to about 30 atomic % aluminum, about 5 to about 30 atomic % oxygen, and about 5 to about 30 atomic % nitrogen.

Heater of an inkjet printhead and method of manufacturing the heater

Inkjet printheads and methods of manufacturing the inkjet printhead are disclosed. The inkjet printhead may include a glue layer disposed between the substrate and a chamber layer. The glue layer may contain a crosslink inhibitor that inhibits cross linkage of a photosensitive resin during an exposing process.

A thermal inkjet printhead is provided including a substrate, and a chamber layer, which is stacked on the substrate. The chamber layer includes an ink chamber that is filled with ink supplied from an ink feed hole. The printhead includes a heater inside the ink chamber that heats the ink, an island, which is formed on the substrate at an ink inlet port of the ink chamber, and a nozzle layer, which is stacked on the chamber layer, including a nozzle for ejecting the ink. The walls of the ink chamber and the island that face each other are symmetrical with respect to the center of the nozzle.

Thermal inkjet print head

An inkjet printhead and a method of manufacturing the printhead. The inkjet printhead includes a substrate through which an ink supply passage is formed, a chamber plate stacked on the substrate having an ink chamber filled with ink supplied through the ink supply passage and heating resistors to heat the ink formed in the ink chamber, a nozzle plate formed on the chamber plate and through which a plurality of nozzles through which ink is ejected are formed, and a water repellent layer formed on the nozzle plate, wherein portions of a covalent bond formed by reaction between the material forming the nozzle plate and a hydrolysis material used to form the water repellent layer are discontinuously formed.

Ink-jet printhead and manufacturing method thereof

A station and a method of collecting information corresponding to security. A wireless communicator transmits a request packet to search a wireless network to at least one external device and receives a response packet to the request packet. An authentication method determiner analyzes the response packet to search for at least one wireless network and determines an authentication method supported by each of the searched wireless networks. A storage unit stores the determined authentication method of each of the searched wireless networks. Thus, necessary information corresponding to security during a connection to a wireless network can be searched in advance and provided to a user.

Station and method of collecting information corresponding to security in a wireless network

A method of manufacturing an inkjet printhead, including forming a nozzle layer by radiating actinic radiation to a cross-linked polymer resist composition including a precursor polymer, a cationic photoinitiator, and a solvent, in which a concentration of the cationic photoinitiator is varied to control a tapered angle of a nozzle included in the nozzle layer.

Method of manufacturing inkjet printhead and inkjet printhead manufactured using the method

Growing community of inventors

Suwon-si, South Korea

Sung-Joon Park