Voice paging system providing deferred paging capability
US4868560A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | May 11, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/025
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A paging system is provided for transferring information to a paging receiver. The system includes a central controller having a paging controller, an encoder, and a first transmitter. The paging controller receives the information and data designating the paging receiver from an entry device. The encoder, in response to the data, generates a selective call paging signal designating the paging receiver. The selective call paging signal is transmitted to the paging receiver by the first transmitter. The paging receiver receives and decodes the selective call paging signal generating a control signal. A switching device is provided for selecting a normal and a deferred paging operating mode. In response to the control signal, a coded acknowledgment signal is generated indicating the selected paging receiver mode, and transmitted back to the paging controller by a second transmitter included in the paging receiver. A second receiver receives and detects the coded acknowledgment signal and in response to decoding the coded acknowledgment signal, the paging controller effects the transmission of the information to the paging receiver, which is stored in a memory when the paging receiver…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.