Communications: electrical – Continuously variable indicating – With meter reading
Patent
1988-06-17
1989-12-12
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
340825520, 340825500, 340825510, 364200, 364240, 370 851, 370 93, H04J 317, H04Q 500
Patent
active
048870757
ABSTRACT:
A LAN system comprises LAN controllers provided for computer systems that constitute a multi-computer system. Each LAN controller has a memory section in which a LAN address common to the multi-computer system is set in accordance with a command from a master computer of the computer systems, and a register section for holding a reception permit command (flag) from the master computer system. Only when the reception permit command is held in the register section, a transmission frame whose destination address is the LAN address held in the memory section is selectively received from a LAN and transferred to the master computer system.
REFERENCES:
patent: 3924240 (1975-12-01), Given
patent: 4680581 (1987-07-01), Kozlik et al.
patent: 4706080 (1987-11-01), Sincoskie
patent: 4760572 (1988-07-01), Tonikawa
"Automatic Distributed Database", IBM Technical Disclosure Bulletin, vol. 30, No. 1, Jun. 1987, pp. 107, 108.
IEEE Standard 802.3 CSMA/CD Access Method & Physical Layer Specification, Jul. 1983, pp. 12-14.
Kabushiki Kaisha Toshiba
Pudpud Eric
Yusko Donald J.
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