Optical waveguides – With optical coupler – Switch
Patent
1995-12-20
1998-10-06
Lee, John D.
Optical waveguides
With optical coupler
Switch
128633, 356 41, 385 53, G02B 635, G01N 3349
Patent
active
058189858
ABSTRACT:
The present invention provides an adapter which actively connects a two terminal oximeter probe or monitor to a three terminal monitor or probe. This is done actively, with the alternating drive signals from the oximeter monitor providing a control signal for switching the adapter connections. The adapter connections are preferably made with diodes, transistors, or other active devices.
REFERENCES:
patent: 4278327 (1981-07-01), McMahon et al.
patent: 5249576 (1993-10-01), Goldberger et al.
patent: 5287853 (1994-02-01), Vester et al.
patent: 5387122 (1995-02-01), Goldberger et al.
patent: 5417207 (1995-05-01), Young et al.
Merchant Adnan I.
Venkatachalam K. L.
Lee John D.
Nellcor Puritan Bennett Incorporated
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