Selective call receiver having confidential message read protect

Details Selective call receiver having confidential message read protect Selective call receiver having confidential message read protect

1990-09-05

1992-09-08

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082534, 34082531, 2353825, H04Q 700

Patent

active

051462176

ABSTRACT:
A selective call receiver 10 requires an access authorization code prior to presenting selected messages and to override a lockout mode.

REFERENCES:
patent: 4117542 (1978-09-01), Klausner et al.
patent: 4677434 (1987-06-01), Fascenda
patent: 4839628 (1989-06-01), Davis et al.
patent: 4843385 (1989-06-01), Borras
patent: 4851653 (1989-07-01), Limisaque et al.
patent: 4851937 (1989-07-01), Sander
Radio Shack Portable Reference Guide TRS-80 Model 4P, .COPYRGT.1983, pp. 1, 5-7.

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