05345227 is referenced by 45 patents and cites 2 patents.

A pager system in which individual pagers have a database is disclosed. The database can be updated by transmitting a mask code and update data. The mask code indicates a mask stored in the individual pager itself which receives the data. Using the mask code, the mask is identified and used to indicate positions in the database where data is to be written.

Title
Pager with mask for database update
Application Number
50826
Publication Number
5345227
Application Date
June 11, 1993
Publication Date
September 6, 1994
Inventor
Daniel L Gregg
San Francisco
CA, US
Anthony C Fascenda
Pacifica
CA, US
Agent
Townsend and Townsend Khourie and Crew
Assignee
Newspager Corporation of America
CA, US
IPC
G08B 5/22
View Original Source