Method and apparatus for overlaying an inbound channel on an outbound system
US5805978A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1996 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Oct 15, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/025
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A selective call two-way communication system having a plurality of selective call transceiver units (170) using an inbound channel overlay on an outbound selective call system, the selective call transceiver units comprising a receiver (173) for receiving a message having an address directed to and decodable by the receiver wherein the address (58) points to a vector (60) , a decoder (174) for decoding a pointer within the vector that points to a control information portion (66) within an outbound message portion (67) and for decoding another control information portion (64) for controlling inbound transmissions within an outbound message portion, and a transmitter (172) for transmitting information in accordance with the control information portions. The system further comprises a controller (114) for receiving, formatting and encoding messages having an address wherein the address points to a vector(s) which contains pointer(s) to control information portion(s) within an outbound message portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.