04345612 is referenced by 80 patents and cites 13 patents.

An apparatus for supplying a mixture of oxygen and an anesthetic gas at a predetermined flow rate and mixture ratio. The flow rate and mixture ratio are controlled by means of electrically operated throttle valves, responsive to output signals from an electronic control system, generated in accordance with data stored in the control system and with input signals applied to the computer from means for sensing the flow rates of the oxygen and anesthetic gas. Desired flow rate and mixture ratio data may be input by using a numeric keyboard, and are digitally displayed.

Title
Anesthetic gas control apparatus
Application Number
6/157581
Publication Number
4345612
Application Date
June 9, 1980
Publication Date
August 24, 1982
Inventor
Akira Tsuzuki
Tokorozawa
JP
Yoshihisa Urushida
Tokorozawa
JP
Tuyoshi Koni
Tokorozawa
JP
Agent
Jordan and Hamburg
Assignee
Citizen Watch Company
JP
IPC
G05D 11/13
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