公开(公告)号：US10145804B2

公开(公告)日：2018-12-04

申请号：US15656703

申请日：2017-07-21

Applicant: ETS-Lindgren Inc.

Inventor： Bryan Howard Sayler ,  Michael David Foegelle ,  Garth Anthony D'Abreu

IPC: G01N21/88 ,  G01N29/00 ,  G01R29/08 ,  G01N21/47

Abstract: A method and system for selectively varying the performance of a test chamber are disclosed. According to one aspect, the performance is affected by a variable absorbing structure of the test chamber. The absorbing structure enables selective exposure of absorbing material to achieve a specific performance.

公开(公告)号：US09746423B2

公开(公告)日：2017-08-29

申请号：US14278712

申请日：2014-05-15

Applicant: ETS-Lindgren Inc.

Inventor： Bryan Howard Sayler ,  Michael David Foegelle ,  Garth Anthony D'Abreu

IPC: G01N21/88 ,  G01R29/08 ,  G01N29/00 ,  G01N21/47

CPC classification number: G01N21/8806 ,  G01N21/474 ,  G01N29/00 ,  G01N2021/8812 ,  G01N2201/0631 ,  G01R29/0821 ,  Y10T29/49716

Abstract: A method and system for selectively varying the performance of a test chamber are disclosed. According to one aspect, the performance is affected by a variable absorbing structure of the test chamber. The absorbing structure enables selective exposure of absorbing material to achieve a specific performance.