(19)

(11)

EP 0 079 954 A1

(12)

(43) Date of publication: 01.06.1983 Bulletin 1983/22 (21) Application number: 82902140.0 (22) Date of filing: 27.05.1982

(51) International Patent Classification (IPC):  G03G 19/ 00( . ) (86) International application number: PCT/US1982/000728 (87) International publication number: WO 1982/004344 (09.12.1982 Gazette 1982/29)

(84) Designated Contracting States: DE FR GB (30) Priority: 29.05.1981 US 19810268595 (71) Applicant: WANG LABORATORIES INC. Lowell, MA 01851 (US)	(72) Inventors: NELSON, Alfred Magnus Redondo Beach, CA 90277 (US) RASEKHI, Houshang Sandy, UT 84092 (US) (74) Representative: Behrens, Dieter, Dr.-Ing., et al  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München D-81541 München (DE)