Radio type selective calling receiver and method of receiving selective calling
US6374097B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 5, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Feb 5, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/022
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
There is provided a radio type selective calling receiver including (a) a front end for converting a received signal into a first signal having an intermediate frequency, (b) a detector for detecting an electric field strength, based on the first signal, and demodulating the first signal, (c) a decoder for analyzing the thus demodulated first signal, (d) a voltage to current converter for converting a voltage defined by the electric field strength into a current, and (e) an automatic gain controller for receiving the voltage. In accordance with the radio type selective calling receiver, it is possible to accurately operate the automatic gain controller (AGC) without a drop in an input signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.