(19)

(11)

EP 0 763 216 A2

(12)

(43) Date of publication: 19.03.1997 Bulletin 1997/12 (21) Application number: 95914671.0 (22) Date of filing: 31.08.1994

(51) International Patent Classification (IPC):  G02B 27/ 01( . ) H04N 5/ 64( . ) G02B 5/ 30( . ) G02B 27/ 02( . ) G02B 3/ 08( . ) G02B 27/ 00( . ) (86) International application number: PCT/US1994/009820 (87) International publication number: WO 1995/021396 (10.08.1995 Gazette 1995/34)

(84) Designated Contracting States: DE FR GB (30) Priority: 07.02.1994 WO 1994US01390 07.02.1994 WO 1994US01391 (71) Applicant: VIRTUAL I/O, INC. Seattle, WA 98121 (US)	(72) Inventors: RALLISON, Dennis, Richard Paradise, UT 84328 (US) AMADON, C., Gregory Seattle, WA 98102 (US) MACK, Wolfgang, Adam, Jr. Seattle, WA 98112 (US) CONNER, Arlie, R. Tualatan, OR 97062 (US) (74) Representative: Harland, Linda Jane  c/o Reddie & Grose 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)