Data collection system having stationary unit with electromagnetic induction circuitry for bidirectionally relaying data
US4839854A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1986 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Sep 12, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2209/50
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for collection of data and entry of the data to a host computer has a portable, hand held, data collector for collecting data and a stationary data relay for receiving the data from the data collector and for transmitting the data to the host computer. The portable hand held data collector includes a case of a size and shape to be held by one hand during use, a keyboard for inputting the data, displaying for displaying the data, memory for storing the data and an interface for transmitting the data to external. The data relay includes a case shaped to set the portable data collector thereon, of first interface for receiving the data transmitted from the data collector and of said interface for comunicating bidirectionally to the host computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.