Number | Name | Date | Kind |
---|---|---|---|
4169220 | Fields | Sep 1979 | |
4373121 | Sartori et al. | Feb 1983 | |
4396809 | Brunssen | Aug 1983 |
Entry |
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General Electric Co., SCR Manual, p. 110 (6th ed., 1979). |
Teccor Electronics, Inc., General Catalog: Semiconductor Devices, pp. 8-9, 95-103 (1982). |
Bell System Technical Reference, Maintenance Termination Unit Specification, pp. 1-20 (A.T. & T., Apr. 1983). |
Circuit diagram prepared by applicants, Feb., 1986. |