Daniel Dwight Chapman

US Patent:

7922679, Apr 12, 2011

Filed:

Aug 21, 2006

Appl. No.:

11/507722

Inventors:

Angelina Maria Chapman - Suisun City CA, US
Daniel Thomas Chapman - Suisun City CA, US

International Classification:

A61F 5/00

US Classification:

602 20, 602 22

Abstract:

An apparatus for drawing blood from a finger includes a flexible band, at least a portion of which is adapted to surround a portion of a finger. A remaining portion of the apparatus is disposed under at least one joint of the finger. The apparatus provides sufficient strength along its longitudinal length to restrict a child or other person from excessively bending the joint when the finger restraint is in position. After a puncture is provided near the tip of the finger, the apparatus is then squeezed to help force an additional quantity of blood to flow out through the puncture. After the blood sample is taken, the apparatus continues to “restrain” the finger until a required bandage is applied. A few of the many possible modifications are also shown.

US Patent:

7972289, Jul 5, 2011

Filed:

Feb 1, 2011

Appl. No.:

12/931479

Inventors:

Angelina Maria Chapman - Suisun City CA, US
Daniel Thomas Chapman - Suisun City CA, US

International Classification:

A61F 5/00

US Classification:

602 20, 602 22

Abstract:

An apparatus for drawing blood from a finger includes a flexible band, at least a portion of which is adapted to surround a portion of a finger. A remaining portion of the apparatus is disposed under at least one joint of the finger. The apparatus provides sufficient strength along its longitudinal length to restrict a child or other person from excessively bending the joint when the finger restraint is in position. After a puncture is provided near the tip of the finger, the apparatus is then squeezed to help force an additional quantity of blood to flow out through the puncture. After the blood sample is taken, the apparatus continues to “restrain” the finger until a required bandage is applied. A few of the many possible modifications are also shown.

US Patent:

20200191754, Jun 18, 2020

Filed:

Feb 25, 2020

Appl. No.:

16/800661

Inventors:

- San Ramon CA, US
- Los Alamos CA, US
Daniel R. Chapman - Oakland CA, US

International Classification:

G01N 29/46
G01N 29/07
G01N 29/22
G01N 29/24
G01N 29/11

Abstract:

Acoustic transducers generate and receive acoustic signals at multiple locations along a surface of rigid structure, wherein longitudinal spacing between transducer locations define measurement zones. Acoustic signals with chosen amplitude-time-frequency characteristics excite multiple vibration modes in the structure within each zone. Small mechanical changes in inspection zones lead to scattering and attenuation of broadband acoustic signals, which are detectable as changes in received signal characteristics as part of a through-transmission technique. Additional use of short, narrowband pulse acoustic signals as part of a pulse-echo technique allows determination of the relative location of the mechanical change within each zone based on the differential delay profiles. For accurate acoustic modeling and simulation, the mesh size, time step, time delay, and time-window size are optimized. Frequency normalization of the Short-Time Fourier Transform of acoustic response output improves experiment-simulation cross-validation. Applications of the method to structures with arbitrarily complex geometries are also demonstrated.

US Patent:

20180292356, Oct 11, 2018

Filed:

Apr 27, 2018

Appl. No.:

15/964967

Inventors:

- San Ramon CA, US
- Los Alamos MN, US
Daniel R. Chapman - Oakland CA, US

International Classification:

G01N 29/04
G01N 29/07
G01N 29/44
G01N 29/34
G01N 29/46

Abstract:

Methods for detection, monitoring, and determination of location of changes in rigid structures with arbitrarily complex geometries are described. Implementations include locating acoustic transducers that generate and receive acoustic signals at multiple locations along a surface of the rigid structure, wherein longitudinal spacing between the transducer locations define measurement zones. Acoustic signals with chosen amplitude-time-frequency characteristics excite multiple vibration modes in the structure within each zone. Small mechanical changes in the inspection zones lead to scattering and attenuation of broadband acoustic signals, which are detectable as changes in received signal characteristics as part of a through-transmission technique. Additional use of short, narrowband pulse acoustic signals as part of a pulse-echo technique allows determination of the relative location of the mechanical change within each zone based on the differential delay profiles.

US Patent:

20180231501, Aug 16, 2018

Filed:

Aug 12, 2016

Appl. No.:

15/751429

Inventors:

- Los Alamos NM, US
- San Ramon CA, US
Daniel R. Chapman - Oakland CA, US

Assignee:

Los Alamos National Security, LLC - Los Alamos NM
Chevron U.S.A. Inc. - San Ramon CA

International Classification:

G01N 29/04
G01N 29/07
G01N 29/34
G01N 29/44
G01N 29/46

Abstract:

Methods for detecting and monitoring changes in mechanical structures and in walls of pipes, vessels and storage tanks, using muitimode acoustic signal propagation and detection, are described. Acoustic signals having chosen amplitude-time-frequency characteristics excite multiple modes in the structure under investigation, are generated and received at a small number of accessible locations, such as the ends of pipes and the tops and bottoms of vessels and storage tanks, with the inspection region between transmit and receive transducers. Small mechanical changes lead to acoustic scattering and attenuation among the various modes, which are detectable as changes in received signal intensity. Such changes may include material loss, material conversion and material addition. Once the structure is characterized in a known condition, the present method may be used to monitor the structure at a later time to determine whether changes have taken place. Methods for effective temperature compensation are also described. In addition, various pipe geometries and complex pipe geometries involving elbows, flanges, and the like can be monitored.

US Patent:

20160371365, Dec 22, 2016

Filed:

May 19, 2014

Appl. No.:

14/281850

Inventors:

VALERIE LANDEAU - ALAMEDA CA, US
DANIEL CHAPMAN - APTOS CA, US
PENNY BAMFORD - BERKELEY CA, US

International Classification:

G06F 17/30
G09B 5/02

Abstract:

A data presentation and interaction system and method provides data interaction that enables users understand multiple correlations between items in multiple categories by using proximity, grouping, audio or visual icons to represent items.