Breathing apparatus with a display unit

Details Breathing apparatus with a display unit Breathing apparatus with a display unit

1995-05-22

1997-02-11

Millin, V.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820124, 12820213, 12820222, 12820621, A62B 1808

Patent

active

056010788

ABSTRACT:
A breathing apparatus with a display unit for the transmission of measured data via a display field of the display unit into the field of vision of a person wearing the unit. The readability of the measured data displayed is improved in daylight with simultaneously reduced energy demand. The display field includes an LC display, which is at least transparent for transmission radiation. An optical concentrator is provided, which collects the ambient light via a light entering surface and emits the collected light via a light exiting surface.

REFERENCES:
patent: 4068924 (1978-01-01), Kotani
patent: 4181916 (1980-01-01), Hendersen
patent: 4298802 (1981-11-01), Quella et al.
patent: 5018837 (1991-05-01), McKee et al.
patent: 5166532 (1992-11-01), Brunner et al.
patent: 5301668 (1994-04-01), Hales

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