Abstract: An encoding device including a calculation result storage unit adapted to store information based on a result of a difference calculation of the differential encoding along with information on a referenced picture used for the differential calculation a determination unit determining from the information on the referenced picture stored in the calculation result storage unit whether the difference calculation has been performed on the picture to be referred used for the difference calculation of a picture which undergoes the image compression, as a reference target of the difference calculation and a differential encoding unit reading from the calculation result storage unit the information on the result of the difference calculation corresponding to the picture to be referred and performs the differential encoding based on a determination by the determination unit that the difference calculation has been performed, as the reference target, on the picture to be referred.

Abstract: An encoding device including a calculation result storage unit adapted to store information based on a result of a difference calculation of the differential encoding along with information on a referenced picture used for the differential calculation a determination unit determining from the information on the referenced picture stored in the calculation result storage unit whether the difference calculation has been performed on the picture to be referred used for the difference calculation of a picture which undergoes the image compression, as a reference target of the difference calculation and a differential encoding unit reading from the calculation result storage unit the information on the result of the difference calculation corresponding to the picture to be referred and performs the differential encoding based on a determination by the determination unit that the difference calculation has been performed, as the reference target, on the picture to be referred.

Abstract: An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve transmission path, and second switching sections located on the output side of the cross connection circuit to switch the presently-used transmission path and the reserve transmission path and comprises slot sections, first selecting section selectively connecting any one of the slot sections to the input side of the first switching section, second selecting section connecting the output side of the first switching section to the input side of the cross connection circuit, third selecting section selectively connecting the output side of the cross connection circuit to the input side of any of the second switching sections, and fourth selecting section connecting the output side of the second switching section to any one of the slot sections.

Abstract: An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve transmission path, and second switching sections located on the output side of the cross connection circuit to switch the presently-used transmission path and the reserve transmission path and comprises slot sections, first selecting section selectively connecting any one of the slot sections to the input side of the first switching section, second selecting section connecting the output side of the first switching section to the input side of the cross connection circuit, third selecting section selectively connecting the output side of the cross connection circuit to the input side of any of the second switching sections, and fourth selecting section connecting the output side of the second switching section to any one of the slot sections.