Number | Date | Country | Kind |
---|---|---|---|
5-113025 | May 1993 | JPX | |
5-182779 | Jul 1993 | JPX | |
5-310872 | Dec 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2526539 | Carroll | Oct 1950 | |
4267555 | Boyd et al. | May 1981 | |
4542377 | Hagen et al. | Sep 1985 | |
4739316 | Yamaguchi et al. | Apr 1988 | |
4831368 | Masimo et al. | May 1989 | |
5077551 | Saitou | Dec 1991 | |
5238421 | Kobayashi | Aug 1993 | |
5255214 | Ma | Oct 1993 | |
5262759 | Moriconi et al. | Nov 1993 | |
5329289 | Sakamoto et al. | Jul 1994 | |
5390075 | English et al. | Feb 1995 | |
5394297 | Toedter | Feb 1995 | |
5489924 | Shima et al. | Feb 1996 |
Number | Date | Country |
---|---|---|
0394879 A2 | Apr 1990 | EPX |
0454120 A2 | Apr 1991 | EPX |
0458316 A2 | May 1991 | EPX |
4-188213 | Jul 1992 | JPX |
4-188214 | Jul 1992 | JPX |
4-221989 | Aug 1992 | JPX |
4-218820 | Aug 1992 | JPX |
4221989 | Aug 1992 | JPX |
525206 | Feb 1940 | GBX |
2239538 | Dec 1990 | GBX |
WO 9301700 | Jan 1993 | WOX |
Entry |
---|
Patent Abstracts of Japan, vol. 17, No. 163 (P-1513) 30 Mar. 1993 & JP-A-04 326 456 (Sharp) 16 Nov. 1992. |
Machine Design, vol. 63, No. 11, 6 Jun. 1991, Cleveland US, p. 36 XP237693 "Notebook More Like Desktop". |
Layman et al, "Mechanical Design of the HP-18C and HP-28C Handheld Computers", Hewlett-Packard Journal, vol. 38, No. 8, Aug. 1987, Palo Alto, US, pp. 17-20. |