G - Physics – 06 – F
Patent
G - Physics
06
F
354/233, 354/230
G06F 17/40 (2006.01)
Patent
CA 1287923
Abstract of the Disclosure A data acquisition apparatus includes two microcomputers interconnected by a shared dual access digital storage device. One microcomputer obtains the data related to the monitored condition, stores it in the digital storage device, and modifies a status word which is monitored by the other microcomputer. When the other microcomputer detects a change in the status word, it takes the data from the shared digital memory and moves it into its own memory for subse- quent use or transfer. The data acquisition apparatus also includes, in a preferred embodiment, analog switches and a digital to analog converter by which external analog devices can be controlled to change the monitored operation.
532369
Crain Stephen F.
Roberts Don M.
Sears Leslie R. III
Company Halliburton
Crain Stephen F.
Roberts Don M.
Sears Leslie R. III
Swabey Ogilvy Renault
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