Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2011-02-22
2011-02-22
Patel, T C (Department: 4134)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
Reexamination Certificate
active
07894204
ABSTRACT:
An assembly of connected circuit boards includes at least one each of a matrix board, an input board and an output board. There are two types of input board, one for hydrophone cable input and one for single-ended (SE) cable input. The matrix board provides for switching any pair of input differential signals to any channel on the output board.
REFERENCES:
patent: 3739231 (1973-06-01), Luteran
patent: 4522449 (1985-06-01), Hayward
patent: 6384341 (2002-05-01), Rothermel et al.
patent: 7057115 (2006-06-01), Clink et al.
patent: 7081591 (2006-07-01), Swetland
Mellick Dave A.
Stevenson Jerry L.
Morgan Richard A.
Ng Sherman
Patel T C
The United States of America as represented by the Secretary of
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