(19)
(11) EP 0 062 668 A1

(12)

(43) Date of publication:
20.10.1982 Bulletin 1982/42

(21) Application number: 81902925.0

(22) Date of filing: 16.10.1981
(51) International Patent Classification (IPC): 
G02B 7/ 00( . )
 G03B 27/ 73( . )
(86) International application number:
PCT/US1981/001407
(87) International publication number:
WO 1982/001423 (29.04.1982 Gazette 1982/11)
(84) Designated Contracting States:
FR

(30) Priority: 20.10.1980 US 19800199050

(71) Applicants:
  • KLAPKIW, John
    Cupertino, CA 95014 (US)
  • KLAPKIW, Katherine
    Cupertino, CA 95014 (US)

(72) Inventors:
  • KLAPKIW, John
    Cupertino, CA 95014 (US)
  • KLAPKIW, Katherine
    Cupertino, CA 95014 (US)

   


(54) CONTINUOUSLY VARIABLE OPTICAL FILTER DEVICE