Number | Name | Date | Kind |
---|---|---|---|
4203011 | Coviello | May 1980 | |
4425512 | Tomooka et al. | Jan 1984 | |
4564726 | Ibata | Jan 1986 |
Number | Date | Country |
---|---|---|
0160411 | Nov 1985 | EPX |
Entry |
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"Electronic Contacts in Telephone Exchanges: Contact Opening and Closing Phenomena and Quenching Techniques", W. L. Scott, Post Office Electrical Engineering Journal, vol. 63, Pr. 3, Oct. 1970, pp. 179-188. |
"Transmission Codes" Digital Transmission Systems, 1979, pp. 239-245. |
Telecommunications Transmission Engineering, vol. 1--Principles, Second edition, 1977, p. 342. |