Patent US5022261A successfully refreshed from Google Patents.
US5022261A
Expired / Lapsed
US
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Aneroid volume determining system
Assignee: Individual
•
Filing: 1990-01-04
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Granted: 1991-06-11
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Expires: 2010-01-04
Abstract
Abstract An aneroid volume determining system includes an airtight chamber for holding a subject whose volume is to be detected; a volume adjuster including an inflatable container for varying the pressure in the chamber; sensing equipment including a pressure transducer for sensing the pressure in the chamber in the deflated and inflated states of the container; and controlling equipment, which can calculate the volume of the subject in response to the pressure sensed in the chamber with and without the subject present in the chamber and which equipment provides control signals to the volume adjuster for automatically controlling the inflation and deflation of the inflatable container.
Inventors
- 👤 Jason Wolfson
- 👤 William Wolfson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:52
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/103; A61B5/107; A61B5/1073; G; G01; G01F; G01F17/00; G01N; G01N9/00; G01N9/10; A61B5/68; A61B5/6887; A61B5/6888
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
114 words
An aneroid volume determining system comprising: an airtight chamber for holding a subject whose volume is to be detected; a volume adjuster including an inflatable container for varying the pressure in said chamber; means for sensing including a pressure transducer for sensing the pressure in said chamber in the deflated and inflated states of said container; and control means including means for calculating the volume of the subject in response to the detection, by said means for sensing, of the pressure in said chamber with and without the subject present in said chamber, and which control means provides control signals to said volume adjuster for automatically controlling the inflation and deflation of said container.
Claim 2
Dependent Claim
114 words
An aneroid volume determining system comprising: an airtight chamber for holding a subject whose volume is to be detected; a volume adjuster including an inflatable container for varying the pressure in said chamber; means for sensing including a pressure transducer for sensing the pressure in said chamber in the deflated and inflated states of said container; and control means including means for calculating the volume of the subject in response to the detection, by said means for sensing, of the pressure in said chamber with and without the subject present in said chamber, and which control means provides control signals to said volume adjuster for automatically controlling the inflation and deflation of said container.
Claim 3
Dependent Claim
33 words
The aneroid volume determining system of claim 1 in which said volume adjuster includes a fixed cavity external to said container for defining the maximum volume of said container in the inflated state.
Claim 4
Dependent Claim
32 words
The aneroid volume determining system of claim 1 in which said volume adjuster includes a fixed support within said container for defining the minimum volume of said container in the deflated state.
Claim 5
Dependent Claim
15 words
The aneroid volume determining system of claim 1 in which said container is a balloon.
Claim 6
Dependent Claim
20 words
The aneroid volume determining system of claim 1 in which said volume adjuster includes pump means for inflating said container.
Claim 7
Dependent Claim
28 words
The aneroid volume determining system of claim 1 in which said volume adjuster includes valve means for controlling the inflating input to and deflating exhaust from said container.
Claim 8
Dependent Claim
21 words
The aneroid volume determining system of claim 1 further including a fill sensor for indicating when said container is fully inflated.
Claim 9
Dependent Claim
25 words
The aneroid volume determining system of claim 1 in which said means for sensing includes a temperature sensor for sensing the temperature in said chamber.
Claim 10
Dependent Claim
25 words
The aneroid volume determining system of claim 1 in which said means for sensing includes a humidity sensor for sensing the humidity in said chamber.
Claim 11
Dependent Claim
18 words
The aneroid volume determining system of claim 1 further including means for sensing the weight of the subject.
Claim 12
Dependent Claim
27 words
The aneroid volume determining system of claim 10 in which said means for sensing the weight of the subject includes means for converting the weight to mass.
Claim 13
Dependent Claim
28 words
The aneroid volume determining system of claim 11 in which said control means further includes means for calculating the density of said subject from the mass and volume.
Claim 14
Dependent Claim
26 words
The aneroid volume determining system of claim 12 in which said control means further includes means for calculating the percentage of body fat from the density.
Claim 15
Dependent Claim
32 words
The aneroid volume determining system of claim 13 in which said control means further includes means for calculating the lean body weight from the total mass and the percentage of body fat.
Claim 16
Dependent Claim
28 words
The aneroid volume determining system of claim 10 in which said control means further includes means for calculating the density of said subject from the weight and volume.
Claim 17
Dependent Claim
26 words
The aneroid volume determining system of claim 15 in which said control means further includes means for calculating the percentage of body fat from the density.
Claim 18
Dependent Claim
32 words
The aneroid volume determining system of claim 16 in which said control means further includes means for calculating the lean body weight from the total weight and the percentage of body fat.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-10 | 1994-12-10 | 1995-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-10 | 1998-12-10 | 1999-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-10 | 2002-12-10 | 2003-06-11 | $7700.00 | Window Closed / Lapsed |