Scent storage device, ticket and passive sequential resistor array for use with same
US6542217B2 · kind B2 · utility
3Cited by
9References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Jun 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C13/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resistor array including a series of spaced first conductor members, a series of initially substantially non-conductive switches respectively connecting adjacent first conductor members to one another, at least one second conductor member in spaced relation to the first conductor members, and a series of resistors extending from respective first conductive members to the at least one second conductor member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.