Boots – shoes – and leggings
Patent
1992-11-12
1995-04-25
Treat, William M.
Boots, shoes, and leggings
395275, 395250, 364239, 364DIG1, G06F 1300
Patent
active
054106796
ABSTRACT:
Higher functions terminals and lower function terminals, as well as dual mode terminals that are selectively operated at either functional level, are simultaneously supported on a common control unit interface in an information handling system. Communications with single mode terminals are directed to a buffer portion having a predetermined base address. Each dual mode terminal contains a buffer that is partitioned into respective portions used for communications at different function levels. Communications at a lower functional level are conducted through the buffer portion containing the base address while communications at a higher functional level are redirected to a buffer portion containing shifted addresses. The control unit includes means for determining the suitable level of terminal function and adjusting the addressing of the terminal buffer accordingly.
REFERENCES:
patent: 4107781 (1978-08-01), Barrett et al.
patent: 4271479 (1981-06-01), Cheselka et al.
patent: 4550386 (1985-10-01), Hirosawa et al.
patent: 4811284 (1989-03-01), Adler et al.
patent: 4910505 (1990-03-01), Beaven et al.
Lubold Paul G.
Manka Ronald S.
Niemitalo Robert A.
Porter Karen S.
Angspurger Lynn L.
International Business Machines - Corporation
Treat William M.
Whitham C. Lamont
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