Patent · US Active

Control circuitry comprising an adjustable capacitor

US11911973B2 · kind B2 · utility

0Cited by

5References

10Claims

0Family size

Assignee

Fresenius Kabi Deutschland GmbH · DE

Inventors

Philipp Winter · Ronneberg, DE
Lars Michel · Rosbach, DE
Michael Schaefer · Heidenau, DE

Key dates

Filing date	Dec 1, 2021
Grant date	Feb 27, 2024
Priority date	—
Expiry date	Dec 1, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH05B1/025
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A control circuitry (11) comprises an adjustable capacitor (C1), and a bias source (111) configured to apply a bias voltage (V2) to said adjustable capacitor (C1) to adjust a capacitance value of the adjustable capacitor (C1). Such a control circuitry may for example be part of a sealing device (1) to seal a medical tubing (2), the sealing device (1) comprising a receptacle (100) to receive said medical tubing (2), the receptacle (100) comprising an electrode arrangement for causing a heat action on the tubing (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.