✦ LIBER ✦

New Tone for Dial Telephone Systems

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Traffic Considerations with TONE-DIAL® T

✍ Ebel, H. ;Mina, R. 📂 Article 📅 1968 🏛 IEEE 🌐 English ⚖ 916 KB

New relays for dial telephones

📂 Article 📅 1952 🏛 Elsevier Science 🌐 English ⚖ 149 KB

TONE-DIAL® Telephones Applied to Direct

✍ Armstrong, L. 📂 Article 📅 1968 🏛 IEEE 🌐 English ⚖ 474 KB

The TDA1077 - An I/sup 2/L circuit for t

✍ Janssen, D.J.G.; Kaire, J.-C.; Guetin, P. 📂 Article 📅 1977 🏛 IEEE 🌐 English ⚖ 457 KB

Redesigning for dial tone: A socio-techn

✍ Rick Reese 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 946 KB

4431870 Telephone system with computer g

📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 63 KB