(19)
(11) EP 0 070 311 A1

(12)

(43) Date of publication:
26.01.1983 Bulletin 1983/04

(21) Application number: 82900743.0

(22) Date of filing: 25.01.1982
(51) International Patent Classification (IPC): 
G06F 1/ 03( . )
G06T 3/ 00( . )
G11C 7/ 00( . )
G11C 8/ 16( . )
H04N 9/ 78( . )
G06F 1/ 035( . )
G09G 5/ 395( . )
G11C 8/ 04( . )
H04N 9/ 64( . )
(86) International application number:
PCT/US1982/000086
(87) International publication number:
WO 1982/002637 (05.08.1982 Gazette 1982/19)
(84) Designated Contracting States:
AT DE FR GB

(30) Priority: 26.01.1981 GB 19810002281
31.08.1981 US 19810298269
06.11.1981 US 19810319090

(71) Applicant: RCA CORPORATION
Princeton, NJ 08540 (US)

(72) Inventors:
  • STROLLE, Christopher Hugh
    Philadelphia, PA 19118 (US)
  • SMITH, Terrance Raymond
    Clementon, NJ 08021 (US)
  • LEWIS, Henry Garton, Jr.
    Hamilton Square, NJ 08690 (US)
  • ACAMPORA, Alfonse
    Staten Island, NY 10314 (US)
  • REITMEIER, Glenn Arthur
    Trenton, NJ 08638 (US)

(74) Representative: Smith, Thomas Ian Macdonald, et al 
RCA International Limited Burdett House 15-16 Buckingham Street
London WC2N 6DU
London WC2N 6DU (GB)

   


(54) TABLE LOOK-UP OF NON-LINEAR FUNCTIONS USING REDUCED-SIZED ROM