| 摘要 |
1,259,237. Integrated logic circuits. HITACHI Ltd. 14 April, 1970 [16 April, 1969], No. 17799/70. Heading H3T. [Also in Division H1] An integrated logic circuit (see Division H1 for construction) includes two input AND gates 21, 22 constituted by double-emitter transistors T 1 , T 2 , an OR gate 23 comprising transistors T 3 , T 4 and an inverter 24. |
