Abstract: When passing-particular-equipment identification data which indicates passing particular transmission equipment has been detected, two opposing CLAD blocks exchange items of information on the transmission or reception addresses of ATM cells in the respective CLAD blocks, via an exchange (#2). Besides, each CLAD block or an ATM cell switch block alters the route of the cell inside the transmission equipment, on the basis of the exchanged information. In consequence, the ATM cell left intact can be relayed toward its destination without causing voice data itself to pass through the exchange (#2). As a result, the numbers of times of coding/decoding and cell assembling/disassembling operations for the voice data match the numbers of times corresponding to one link of transmission equipment.

Abstract: Disclosed is a flame retardant polycarbonate resin composition having an improved melt fluidity, which comprises (A) an aromatic polycarbonate having a weight average molecular weight of from 12,000 to 25,000, (B) a styrene-acrylonitrile-butyl acrylate copolymer having a butyl acrylate unit content of from 1 to 30% by weight, (C) a complex rubber graft copolymer obtained by a process comprising graft-polymerizing at least one graft-polymerizable monomer onto a complex rubber comprising a polyorganosiloxane and a polyalkyl (meth)acrylate, (D) a phosphoric ester, and (E) a tetrafluoroethylene polymer. The resin composition of the present invention not only has excellent melt fluidity, but is also excellent in flame retardancy, impact resistance and modulus of elasticity.

Abstract: Disclosed is a method for producing a flame retardant polycarbonate resin composition by using a screw extruder, which comprises extruding a resin component (mainly comprising a polycarbonate) and an organic phosphorus compound having an acid value of not more than 0.1 mg KOH/g while kneading, wherein the temperature of the resin component in the extruder is not higher than 300° C., and the residence time of the resin component in the extruder is not more than 40 seconds.

Abstract: When passing-particular-equipment identification data which indicates passing particular transmission equipment has been detected, two opposing CLAD blocks exchange items of information on the transmission or reception addresses of ATM cells in the respective CLAD blocks, via an exchange (#2). Besides, each CLAD block or an ATM cell switch block alters the route of the cell inside the transmission equipment, on the basis of the exchanged information. In consequence, the ATM cell left intact can be relayed toward its destination without causing voice data itself to pass through the exchange (#2). As a result, the numbers of times of coding/decoding and cell assembling/disassembling operations for the voice data match the numbers of times corresponding to one link of transmission equipment.

Abstract: For the purpose of efficiently determining the transmission capacity of a digital relay transmission path, adjusting the phase between commands and responses, and detecting faults, in the case in which a judgment is made that the image information transmission path capacity between communication apparatuses is smaller than or inferior to the performance of the communication apparatuses, when a training signal for the purpose of performing a circuit check is sent from a transmitting-side facsimile machine, the transmitting-side communication apparatus intentionally sends a failed training signal to the receiving-side communication apparatus, this giving notice of an abnormal termination, in response to which the transmitting-side facsimile machine performs a fallback operation so as to reduce the communication speed to a speed at which relaying is possible between the communication apparatuses before sending the image information.