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1. (CA2071490) SATELLITE BASED ACKNOWLEDGE-BACK PAGING SYSTEM

Office : Canada
Application Number: 2071490 Application Date: 09.11.1990
Publication Number: 2071490 Publication Date: 15.06.1991
Grant Number: Grant Date: 30.01.1996
Publication Kind : C
Prior PCT appl.: Application Number:US1990006477 ; Publication Number: Click to see the data
IPC:
H04B 7/185
H04Q 7/10
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
7
Radio transmission systems, i.e. using radiation field
14
Relay systems
15
Active relay systems
185
Space-based or airborne stations
(Deprecated)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
Q
SELECTING
7
Selecting arrangements to which subscribers are connected via radio links or inductive links
06
in which the radio or inductive links are essentially one-way, e.g. selective calling systems
10
Selective call encoders, i.e. equipment at paging centre or base station
CPC:
H04W 88/185
H04B 7/18567
Applicants:
Inventors: SCHWENDEMAN, ROBERT J.
KUZNICKI, WILLIAM J.
Priority Data: 450,707 14.12.1989 US
Title: (EN) SATELLITE BASED ACKNOWLEDGE-BACK PAGING SYSTEM
(FR) SYSTEME DE RADIOMESSAGERIE A SATELLITE A ACCUSES DE RECEPTION
Abstract: front page image
(EN) A satellite based paging communication system comprises at least one satellite (102) capable of communicating the paging information to at least one terrestrial receiver (110, 116, 126) some of which are capable of transmitting an acknowledge signal (127) so that message reception may be verified and satellite traffic controlled.


Also published as:
EP0505489KR1019920704455AU1991071701DK0505489WO/1991/009473