| 摘要 |
PCT No. PCT/AT94/00106 Sec. 371 Date Jan. 29, 1997 Sec. 102(e) Date Jan. 29, 1997 PCT Filed Aug. 3, 1994 PCT Pub. No. WO96/04637 PCT Pub. Date Feb. 15, 1996An apparatus for conveying information includes a perforated plate having a plurality of circular openings; at least one pin (5, 15, 25, 25, 35, 45, 55, 65, 75, 85) which is axially movable to project through and above a respective circular opening, an electromagnetic actuator (6, 16, 66, 116) for moving the pin (5, 15, 25, 25, 35, 45, 55, 65, 75, 85), and a permanent magnet for retaining the pin in at least two stable positions. |
