(19)

(11)

EP 0 052 655 A1

(12)

(43) Date of publication: 02.06.1982 Bulletin 1982/22 (21) Application number: 81901828.0 (22) Date of filing: 06.04.1981

(51) International Patent Classification (IPC):  H04N 7/ 169( . ) (86) International application number: PCT/US1981/000441 (87) International publication number: WO 1981/003593 (10.12.1981 Gazette 1981/29)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 27.05.1980 US 19800153164 (71) Applicant: R F MONOLITHICS, INC. Dallas, TX 75234 (US)	(72) Inventors: RAGAN, Lawrence H. Dallas TX 75248 (US) HARTMANN, Clinton S. Dallas, TX 75243 (US) (74) Representative: Huber, Arnulf  Uexküll & Stolberg, Patentanwälte Beselerstrasse 4 D-22607 Hamburg D-22607 Hamburg (DE)