Badge reader with improved slide arrangement
US4492855A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1982 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Jul 9, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K13/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Badge reading apparatus for reading a data encoded badge or the like has a channel for receiving the badge, the channel having a slide positioned therein which clock-holes for producing synchronizing timing signals, the slide being adapted to move within the channel in abutting relation to the badge. Means are provided for maintaining the badge and slide in fixed abutting relation while the badge is moved so as to read, such means incorporating a wrap-around spring on which the badge rides and which keeps the badge properly aligned. The slide element further incorporates a fold-over arrangement for the clock-holes, whereby the slide need not contain the same number of clock-holes as there are rows of data to be read from the badge, thereby enabling a smaller slide element and reduced size of the overall apparatus. Flexibility in providing the clock-holes in different arrangements may be provided by the embodiment of a slide constructed of a transparent or semi transparent material with an opaque film attached thereto, the film carrying the programmed clock-holes and other information useful in operation of the reading apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.