共 50 条
- [43] Microcomputer-controlled Pushbutton Telephone with Liquid-crystal Display. Elektronik Munchen, 1982, 31 (01): : 53 - 58
- [44] Navi dial service: Expanding the telephone reception market NTT REVIEW, 1998, 10 (02): : 27 - 28
- [45] PUSH-BUTTON DIAL KEY TELEPHONE SYSTEM JAPAN TELECOMMUNICATIONS REVIEW, 1970, 12 (02): : 140 - &
- [46] TE 404 Coin Box Telephone. Technische Mitteilungen PTT (Post-, Telefon- und Telegrafenbetrieben), 1973, 51 (08): : 328 - 335
- [48] CIRCUIT CONVERTS KEYPAD TO DIAL-PULSE TELEPHONE EDN MAGAZINE-ELECTRICAL DESIGN NEWS, 1977, 22 (01): : 39 - 41
- [50] AUTOMATIC CODE AND DATE MARKING FOR TELEPHONE DIAL TRANSFORMERS WESTERN ELECTRIC ENGINEER, 1968, 12 (03): : 32 - &