Boots – shoes – and leggings
Patent
1993-08-27
1996-04-30
Pan, Daniel
Boots, shoes, and leggings
3642222, 3642295, 36423293, 3642394, 3642401, 3642399, 364242, 3642425, 3642514, 3642647, 3642664, 364269, 3642714, 364DIG1, 364DIG2, 370 853, 34082501, G06F 1114, G06F 1340, G06F 13376, G06F 1520
Patent
active
055133703
ABSTRACT:
An Ethernet circuit that combines the basic functionality of a twisted pair transceiver and a twisted pair/AUI encoder/decoder provides an autoswitching circuit that switches between a twisted pair data pathway and an AUI data pathway by changing from the twisted pair data pathway to the AUI data pathway when a link circuit fails to detect signals on the twisted pair medium and when the Ethernet circuit is not transmitting or executing a jabber procedure, and by changing from the AUI data pathway to the twisted pair data pathway when the link circuit detects signals on the twisted pair medium and when the Ethernet circuit is not transmitting or receiving.
REFERENCES:
patent: 4602364 (1986-07-01), Herman et al.
patent: 5249183 (1993-09-01), Wong et al.
patent: 5289458 (1994-02-01), Taha
patent: 5315590 (1994-05-01), Vijeh et al.
patent: 5396495 (1995-03-01), Moorwood et al.
patent: 5414708 (1995-05-01), Webber et al.
Preliminary Data Sheet, AM79C940, Media Access Controller for Ethernet (MACE) from Advanced Micro Device, Nov. 1992.
National Semiconductor Corporation
Pan Daniel
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