Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-05-01
1992-05-26
Oberley, Alvin E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
34082505, 364514, G09G 302
Patent
active
051172259
ABSTRACT:
A computer display screen monitoring system comprising a master station and a plurality of user stations for displaying text and graphic data appearing on one display screen in the system on one or more other display screens in the system in real time. Multiplexers are provided in each of the stations in the system for selectively transferring video as well as audio signals (when provided) between the stations in response to function codes and addresses identifying the stations.
REFERENCES:
patent: 3633166 (1972-01-01), Picard
patent: 3750137 (1973-07-01), Wong et al.
patent: 3955188 (1976-05-01), Viswanathan
patent: 4551720 (1985-11-01), Levin
patent: 4715032 (1987-12-01), Nilsson
Chow Doon Yue
Oberley Alvin E.
Summit Micro Design
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