Abstract: A knee joint rehabilitation apparatus for a wheelchair includes a rehabilitation apparatus frame having a height corresponding to a length of each of legs of a patient sitting on the wheelchair; an upper leg support disposed at an upper end of the rehabilitation apparatus frame and supporting upper legs of the patient thereon while the patient is sitting on the wheelchair; a lower leg support pivotably connected to the upper leg support, wherein the lower legs of the patient are seated and supported on the lower leg support; and an exercise control unit disposed on the rehabilitation apparatus frame and configured to allow the lower leg support to pivot around a connection portion between the lower leg support and the upper leg support such that the patient performs rehabilitation exercise of the knee joint thereof while sitting on the wheelchair.

Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.

Abstract: Disclosed is a method for using a unique IP address for a limited period of time in a device connected to a LAN which includes a router and a LAN device. In the method, the LAN device sends a unique IP address request to the router to be allocated a unique IP address, when the LAN device needs a unique IP address. The LAN device returns the allocated unique IP address to the router after using the allocated unique IP address.

Abstract: The present invention discloses a method for serving character message transmission during a telephone call over PSTN connected to the central office to which information terminals having displays are connected for telephone calls and for data communication, the method including the steps of: based on SMS message writing and transmission request for use of character message transmission service of the first information telephone subscriber during a telephone call between a first and a second information telephone subscribers among the information telephones, if the customer premise equipment (CPE) alerting signal (CAS) is transmitted from the first information telephone in order to secure data transmitting/receiving reliability, muting, at the first information telephone, a handset of the first information telephone, transferring the CAS to the second information telephone through the central office in order to data transmitting/receiving reliability, and receiving a first acknowledge (ACK) message in respons

Abstract: The present invention discloses a method for serving character message transmission during a telephone call over PSTN connected to the central office to which information terminals having displays are connected for telephone calls and for data communication, the method including the steps of: based on SMS message writing and transmission request for use of character message transmission service of the first information telephone subscriber during a telephone call between a first and a second information telephone subscribers among the information telephones, if the customer premise equipment (CPE) alerting signal (CAS) is transmitted from the first information telephone in order to secure data transmitting/receiving reliability, muting, at the first information telephone, a handset of the first information telephone, transferring the CAS to the second information telephone through the central office in order to data transmitting/receiving reliability, and receiving a first acknowledge (ACK) message in respons

Abstract: Disclosed is a method for using a unique IP address for a limited period of time in a device connected to a LAN which includes a router and a LAN device. In the method, the LAN device sends a unique IP address request to the router to be allocated a unique IP address, when the LAN device needs a unique IP address. The LAN device returns the allocated unique IP address to the router after using the allocated unique IP address.