Calibration arrangement for breath testing equipment
US7543472B2 · kind B2 · utility
20Cited by
37References
27Claims
0Family size
Inventors
Key dates
| Filing date | Feb 6, 2007 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | May 11, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/4972
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A calibration arrangement for breathalyzers wherein a heightened degree of control and management is applied. Broadly contemplated are arrangements whereby jars or containers of new solution to be used in the calibration arrangement are subject to automatic verification. Also contemplated is the close monitoring of the running of calibration tests and safeguards to ensure that extensively used or old solution is not put into use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.