News Column

"Electronic Cigarette with Capacitor Sensor" in Patent Application Approval Process

June 26, 2014



By a News Reporter-Staff News Editor at Politics & Government Week -- A patent application by the inventor Hon, Lik (North Point, HK), filed on February 4, 2014, was made available online on June 12, 2014, according to news reporting originating from Washington, D.C., by VerticalNews correspondents.

This patent application has not been assigned to a company or institution.

The following quote was obtained by the news editors from the background information supplied by the inventors: "Capacitor sensors and optical sensors may be employed as an alternative to mechanical sensors for higher sensitivity. A conventional capacitor sensor includes a permanently charged membrane which forms a capacitor with a metal plate. This type of sensor is vulnerable to humidity, moisture, liquid leakage, dirt or other environmental factors which can cause a fault by shorting out and discharging the two sides of the membrane. In addition, to permanently charge the membrane, a voltage of around 10,000 V needs to be applied to the membrane, making such a sensor costly and difficult to manufacture and unsuitable for many applications."

In addition to the background information obtained for this patent application, VerticalNews journalists also obtained the inventor's summary information for this patent application: "A capacitor sensor is provided in an electronic cigarette, cigar or pipe. The capacitor sensor includes a first conductive plate; and a second conductive plate, wherein the first conductive plate and the second conductive plate are configured to form a capacitor circuit having a capacitance; and a pressure sensitive component connected to the first conductive plate and configured to move the first conductive plate based on a pressure differential, so as to change the capacitance of the capacitor circuit. In one aspect, the first conductive plate is movable and the second conductive plate is stationary.

"In an alternative embodiment, the second conductive plate of the capacitor sensor described above comprises a first conductive surface and a second conductive surface forming a first capacitor, the first conductive surface forms a second capacitor with the first conductive plate, and the second conductive surface forms a third capacitor with the first conductive plate. The output of the capacitor sensor is provided based on the first, second and third capacitors described above.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 is a block flow diagram illustrating a circuit in an electronic cigarette.

"FIG. 2 is a perspective view of a capacitor sensor.

"FIGS. 3a-3c are exploded views of the capacitor sensor 2 shown in FIG. 2.

"FIG. 4 is a drawing illustrating a capacitor circuit 4 in the capacitor 20 shown in FIG. 2.

"FIG. 5a is a cross sectional view of a part of the capacitor sensor 2 shown in FIG. 2.

"FIG. 5b is a cross sectional view of a part of a capacitor sensor 2.

"FIG. 6 is a front view of the second conductive plate 302 shown in FIGS. 3a-3c.

"FIG. 7 is a lengthwise sectional view of the corrugated membrane 25 shown in FIGS. 3a-3c.

"FIG. 8a is a front view of an air damping piece 206 shown in FIGS. 3a-3c.

"FIG. 8b is a back view of the air damping piece 206 shown in FIGS. 3a-3c.

"FIG. 8c is a cross sectional view of the air damping piece 206 shown in FIGS. 3a-3c.

"FIG. 9 is a top view of the screw 305a shown in FIGS. 3a-3c.

"FIG. 10 is an expanded view of a capacitor sensor.

"FIG. 11 is an expanded view of a capacitor sensor.

"FIG. 12 is a flow chart of a method for operating an electronic device."

URL and more information on this patent application, see: Hon, Lik. Electronic Cigarette with Capacitor Sensor. Filed February 4, 2014 and posted June 12, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=6662&p=134&f=G&l=50&d=PG01&S1=20140605.PD.&OS=PD/20140605&RS=PD/20140605

Keywords for this news article include: Patents.

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Source: Politics & Government Week


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