US4817610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of determining center of gravity and body weight
Assignee: Individual
•
Filing: 1987-07-15
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Granted: 1989-04-04
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Expires: 2007-07-15
Abstract
Abstract Disclosed is a system, apparatus and method for gathering physiological data. Basic to the system of the present invention is a rigid body mold having preferably a negative impression of the dorsal half of the body. By connecting and/or embedding sensors to the body mold at specific locations, e.g., accelerometers, thermistors, and electrocardiogram electrodes, the sensors will be accurately and reproducibly positioned next to a specific body location each time the subject lies in the body mold. The body mold can be used to insulate the body from external motions thereby facilitating the preparation of a ballistocardiogram. The exact re-positioning of the body in the mold allows exact determination of the center of gravity in the horizontal plane of the body.
Inventors
- 👤 Arnold St. J. Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:30
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/103; A61B5/11; A61B5/1102; A61B2503/00; A61B2503/08; A61B2560/00; A61B2560/04; A61B2560/0462; A61B2560/0468; A61B5/70; A61B5/704
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
83 words
A method for determining the horizontal component of a subject's center of gravity and body weight, the method comprising the steps of: placing the subject's body horizontally in a substantially rigid body mold having an impression exactly matching the dorsal half of the body, the body mold being supported by supporting members; attaching a vertical force transducer to each of the supporting members; and analyzing the amplified outputs of the force transducers to compute the subject's body weight and horizontal center of gravity.
Claim 2
Independent Claim
83 words
A method for determining the horizontal component of a subject's center of gravity and body weight, the method comprising the steps of: placing the subject's body horizontally in a substantially rigid body mold having an impression exactly matching the dorsal half of the body, the body mold being supported by supporting members; attaching a vertical force transducer to each of the supporting members; and analyzing the amplified outputs of the force transducers to compute the subject's body weight and horizontal center of gravity.
Claim 3
Dependent Claim
36 words
The method of claim 1 wherein the subject's body is placed in the body mold by first laying the subject on a thin, flexible sheet, and then lowering the sheet bearing the subject into the impression.
Claim 4
Independent Claim
112 words
A method for determining the change in the horizontal component of a subject's center of gravity and body weight, the method including the steps of: placing a body in a substantially rigid body mold having an impression exactly matching the dorsal half of the body, the body mold being supported by supporting members fixed with respect to the body mold; attaching a vertical force transducer to each of the supporting members; analyzing the amplified outputs of the force transducers to compute the subject's body weight and horizontal center of gravity; and comparing the computed values with previously known values to determine the change in the body's horizontal center of gravity and weight.
Claim 5
Independent Claim
112 words
A method for determining the change in the horizontal component of a subject's center of gravity and body weight, the method including the steps of: placing a body in a substantially rigid body mold having an impression exactly matching the dorsal half of the body, the body mold being supported by supporting members fixed with respect to the body mold; attaching a vertical force transducer to each of the supporting members; analyzing the amplified outputs of the force transducers to compute the subject's body weight and horizontal center of gravity; and comparing the computed values with previously known values to determine the change in the body's horizontal center of gravity and weight.
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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) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |