Apparatus for range-testing cordless communication devices and method of operation thereof
US5805667A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1997 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Jan 2, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B17/16
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus for, and method of, range-testing a cordless communication device. The device has a first portion adapted to communicate with a second portion via a signal carried on a wireless channel, the signal subject to attenuation as a function of a distance separating the first and second portions. The apparatus includes: (1) an anechoic chamber for containing the first portion and substantially electromagnetically isolating the first portion from the second portion, (2) a wire for carrying the signal between the first and second portions, one end of the wire locateable within the anechoic chamber proximate the first portion and an opposite end of the wire locateable proximate the second portion and (3) a signal modification circuit, associated with the wire, for changing an amplitude of the signal by a selectable quantity, the signal modification circuit simulating the distance between the first and second portions thereby to allow the cordless communication device to be range-tested without actually varying the distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.