Inspection system for a group of tanks

Details Inspection system for a group of tanks Inspection system for a group of tanks

1978-12-12

1980-11-25

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

Using a particular modulation

73353, 73362AR, 340623, 34087009, 34087011, 34087019, G08C 1916, G08B 2100

Patent

active

042361443

ABSTRACT:
An inspection system for a group of tanks, comprises a generator at each tank in which the temperature and the level of the liquid contained in each tank are converted into series data digital signals and start mark signals; and the series data signals are synchronized with clock signals and are transmitted to a receiver. The receiver includes a selector and pulse discriminator for selecting and detecting the start mark signals from a selected generator out of the received series data signals in the receiver. Clock signals are synchronized with the clock signals of the generator side by using the start mark signals; the received and selected series data signals are converted into parallel data signals and the content of the converted parallel data signals is displayed by an indicator to indicate the temperature and level of the liquid in the selected tank.

REFERENCES:
patent: 2677276 (1954-05-01), Schmidt
patent: 3377585 (1968-04-01), Magnin
patent: 3793636 (1974-02-01), Clark et al.
patent: 4011551 (1977-03-01), Adler
patent: 4027301 (1977-05-01), Mayer

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