Uniport interface for a bar code reading instrument
US5233169A · kind A · utility
145Cited by
4References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1991 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Oct 31, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K17/0022
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical bar code reading instrument has a uniport interface circuit which accepts through a common terminal both charging current for the reader's internal rechargeable battery and incoming digital electric information signals. The uniport interface also allows digital electrical signals produced by the instrument to pass through the same terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.