73603677
Jun 11, 1986
Sep 15, 1987
MAGNETIC RECORDING AND/OR REPRODUCING MEDIA IN THE FORMS OF TAPES, CARDS AND DISCS FOR RECORDING THEREIN SOUND AND/OR PICTURES AND/OR DATA AND/OR IN THE FORMS OF TAPES, CARDS AND DISCS HAVING PRERECORDED THEREIN SOUND AND/OR PICTURES AND/OR DATA FOR REPRODUCING; OPTICAL RECORDING AND/OR REPRODUCING MEDIA IN THE FORMS OF CARDS AND DISCS FOR RECORDING THEREIN SOUND AND/OR PICTURES AND/OR DATA AND/0R IN THE FORMS OF CARDS AND DISCS HAVING PRERECORDED THEREIN SOUND AND/OR PICTURES AND/OR DATA FOR REPRODUCING; BATTERIES; INFORMATION CARDS HAVING MONOLITHIC OR SOLID STATE MEMORY FOR STORAGE OF INFORMATION RESPONSIVE TO COMPUTER CONTROLLED SYSTEMS; ELECTROCHROMIC DISPLAY APPARATUS CAPACITORS; AND MAGNETIC RECORDING AND/OR REPRODUCING HEAD
Electrical and Scientific Apparatus