Abstract: The present disclosure relates to a dehydration catalyst, a method for preparing the same, and a method for preparing an alkene using the same. More particularly, the present invention relates to a dehydration catalyst that is mixed-phase alumina including 1 to 18% by weight of alpha-alumina, 65 to 95% by weight of theta-alumina, and 4 to 34% by weight of delta-alumina, a method for preparing the dehydration catalyst, and a method for preparing an alkene using the dehydration catalyst.

Abstract: An apparatus and method for manufacturing a grilled seaweed includes the apparatus comprising a grilling unit having a first housing with a first inlet opening and a first outlet opening which communicate with each other; a first conveyor for transferring a sheet of seaweed from the first inlet opening to the first outlet opening; a first heating source installed over the first conveyor to discharge a flame onto a top surface of the seaweed being transferred by the first conveyor; and a second heating source installed on both sides of a lower portion of the first conveyor to apply a flame onto a bottom surface of the seaweed being transferred by the first conveyor.

Abstract: A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.

Abstract: The present invention relates to a mobile terminal for displaying an e-book and a method thereof. The e-book content is displayed at a preset time point specified in an e-book profile, linking received e-book supplementary information to the e-book profile and storing the e-book supplementary information, and updating, when the e-book is terminated, the e-book profile to include current internal location information of the e-book content to be used for displaying the e-book content next time. The present invention provides an advantage that the e-book is displayed automatically to enable a user to use the e-book conveniently and at different location without any interruption. The present invention also provides convenience of providing supplemental material to previous programs and prevents users from any learning interruptions during operation of the e-book.

Abstract: A method of sharing a preference channel in a digital broadcasting reception terminal includes registering a phone book group to which at least one preference channel and information on the preference channel are transmitted; if digital broadcasting data of the registered preference channel is received, detecting information on the preference channel from an electronic program guide (EPG) stored in advance; and transmitting the detected information on the preference channel to terminals in the phone book group in realtime

Abstract: A method and apparatus for outputting audio data and a musical score image, displaying a musical score image corresponding to reproduced audio data, and outputting audio data corresponding to a musical score image are provided, in which a tone is extracted, the tone is converted into a frequency, a monotone or polyphonic tone is identified, the frequency corresponding to a monotone or polyphonic tone is converted into tone information data, and the tone information data is stored, and a musical score is displayed. Also, audio data corresponding to a musical score are output, in which the musical score is photographed, musical signs from the photographed musical score are extracted, a pitch of a tone is extracted from music paper and musical note information of the musical signs, a duration of the tone from the musical note information of the musical signs is extracted, and audio data are output.

Abstract: A method and apparatus for outputting audio data and a musical score image, displaying a musical score image corresponding to reproduced audio data, and outputting audio data corresponding to a musical score image are provided, in which a tone is extracted, the tone is converted into a frequency, a monotone or polyphonic tone is identified, the frequency corresponding to a monotone or polyphonic tone is converted into tone information data, and the tone information data is stored, and a musical score is displayed. Also, audio data corresponding to a musical score are output, in which the musical score is photographed, musical signs from the photographed musical score are extracted, a pitch of a tone is extracted from music paper and musical note information of the musical signs, a duration of the tone from the musical note information of the musical signs is extracted, and audio data are output.

Abstract: A method of sharing a preference channel in a digital broadcasting reception terminal includes registering a phone book group to which at least one preference channel and information on the preference channel are transmitted; if digital broadcasting data of the registered preference channel is received, detecting information on the preference channel from an electronic program guide (EPG) stored in advance; and transmitting the detected information on the preference channel to terminals in the phone book group in realtime

Abstract: A method of providing viewing history information in a digital broadcast receiving terminal is provided. Viewing history information of digital programs received on a plurality of broadcast channels and output to a user is generated and stored. Upon receipt of a request for outputting the viewing history information from the user, the stored viewing history information is displayed.

Abstract: An apparatus and method for operating a calculator mode in a portable terminal having a camera are provided. The apparatus and method comprise the steps of recognizing an arithmetic expression from an image taken by the camera and displaying the recognized arithmetic expression; shifting to an editing mode when an editing mode key is input, implementing editing operations, and editing the displayed arithmetic expression according to the editing operations; and implementing arithmetic calculation according to the edited arithmetic expression when a calculation implementation key is input and outputting a calculation result.

Abstract: A method and portable terminal for searching for a constellation using the portable terminal are provided, in which position information, direction information, and time information of the portable terminal are extracted, a constellation corresponding to the extracted position information, direction information, and time information of the portable terminal is searched, a shape of the searched constellation is displayed, an enlargement/reduction function is performed while displaying the constellation shape, detailed information regarding the displayed constellation is displayed, position information, direction information, and time information of the portable terminal, and the shape of the constellation and the constellation information are stored, the position information, the direction information, and the time information of the portable terminal, and the shape of the constellation and the constellation information are transmitted to a receiver, and the constellation shape is set and displayed as a backgr

Abstract: A method and apparatus for outputting audio data and a musical score image, displaying a musical score image corresponding to reproduced audio data, and outputting audio data corresponding to a musical score image are provided, in which a tone is extracted, the tone is converted into a frequency, a monotone or polyphonic tone is identified, the frequency corresponding to a monotone or polyphonic tone is converted into tone information data, and the tone information data is stored, and a musical score is displayed. Also, audio data corresponding to a musical score are output, in which the musical score is photographed, musical signs from the photographed musical score are extracted, a pitch of a tone is extracted from music paper and musical note information of the musical signs, a duration of the tone from the musical note information of the musical signs is extracted, and audio data are output.