The R1 model measures 240mm x 183mm x 37.2mm, weighs 960 grams, and is the lightest notebook PC of its size, according to Panasonic. The notebook's battery lasts up to six hours.
The A3 series notebooks are equipped with a 16mm diameter optical trackball and are slightly larger and heavier than the R1 series, measuring 255mm x 220.5mm x 31.5mm with a weight of 1.47kg. However, the battery lasts seven hours.
Both the R1 and the A3 are designed for workers on the move and can withstand being dropped from a height of around 30cm.
The new notebooks carry a Pentium III M 700MHz processor, 128Mbytes of SDRAM and are equipped with a Fast Ethernet interface and a Secure Digital (SD) card slot. The R1 has a 20Gbyte hard disk drive and the A3 has a 30Gbyte drive.
The R1 series will be rolled out in Japan from 12 March and the A3 series from March 1 in Japan with prices starting at around ¥200,000 (£1,061). Models equipped with a wireless LAN system will come out in April.