Abstract: A bus bar assembly and current measuring device configured to reduce measurement errors through linearity compensation and temperature compensation for the difference in values of two or more measured currents, thereby achieving high-accuracy current measurement, is presented. The present invention discloses a bus bar assembly including: a first conductive plate and a second conductive plate each composed of a plurality of parts; and an insulator formed between the first conductive plate and the second conductive plate, wherein a common first terminal hole is formed at one end of the first conductive plate, one end of the second conductive plate, and one end of the insulator, a common second terminal hole is formed at respective opposite ends of the first conductive plate, the second conductive plate, and the insulator. According to the present invention, stable and highly reliable current measurement is possible through multiple shunt resistors based on a redundancy design.

Abstract: The present invention provides a battery monitoring method, which is performed by a battery monitoring device, including: measuring a first voltage drop across both ends of a first shunt resistor of a bus bar electrically connected to a battery and a second voltage drop across both ends of a second shunt resistor, which is in parallel or serial connection with the first shunt resistor; calculating a first current and a second current flowing, respectively, through the first shunt resistor and the second shunt resistor using a first voltage drop value and a second voltage drop value; and determining a state of the battery using a difference between a first current value and a second current value. According to the present invention, it is possible to increase the reliability of monitoring information related to the battery's state by utilizing current values that have undergone linearity compensation and temperature compensation.

Abstract: A voice message transmission system and method which includes a sending terminal (MS) for registering a voice message and for receiving a notice of a message regarding the registered voice information; a base station controller (BSC) carrying out a call connection of the mobile communication network in response to a request for registering the voice message of the sending terminal (MS) received from a plurality of base stations(BTS); a mobile switching station (MSC/VLR) for carrying out a channel management and control connected from the base station controller (BSC) and carrying out a signal processing function according to the call connection; and an IP server interlocked with the mobile switching station (MSC/VLR), storing the voice message and outdialing on the basis of sender information, and then reproducing and outputting the voice message to the receiving terminal in the case that a receiving signal of the receiving terminal is recognized wherein the IP server includes a voice mailbox server (VMS) and

Abstract: Disclosed herein are a system and method for transferring voice messages. The system includes a voice message server. When a voice message and called terminal information are transmitted from a calling terminal, the voice message server stores the voice message, searches for a connection mute to the called terminal with reference to the called terminal information, and transmits a reception request signal to the called terminal. Furthermore, when the called terminal responds to the reception request signal, the voice message server reproduces the voice message. Furthermore, when the called terminal does not respond to the reception request signal and the reception request signal is forwarded to a different receiving object, the voice message server checks whether the route of the reception request signal has been changed and interrupts the transmission of the voice message. Accordingly, an additional communication charge may be avoided.

Abstract: Disclosed herein are a system and method for transferring voice messages. The system includes a voice message server. When a voice message and called terminal information are transmitted from a calling terminal, the voice message server stores the voice message, searches for a connection route to the called terminal with reference to the called terminal information, and transmits a reception request signal to the called terminal. Furthermore, when the called terminal responds to the reception request signal, the voice message server reproduces the voice message. Furthermore, when the called terminal does not respond to the reception request signal and the reception request signal is forwarded to a different receiving object, the voice message server checks whether the route of the reception request signal has been changed and interrupts the transmission of the voice message. Accordingly, an additional communication charge may be avoided.

Abstract: Disclosed are a voice message transmission system, transmission result notification system and methods thereof. A transmission terminal records a voice message and receiving terminal information. An IP server recognizes the record of a voice message and generates a communication path to the receiving terminal corresponding to the receiving terminal information. After detecting a voice message reception notification signal from the receiving terminal, the IP server provides the receiving terminal with the voice message. In the present invention, a receiver can listen to the voice message without manipulating a key. Thus, the present invention can increase the convenience in using a voice mailbox server.