Cellular system access monitor

Details Cellular system access monitor Cellular system access monitor

1990-08-24

1994-02-22

Ng, Jin F.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 63, 455 671, H04M 1100

Patent

active

052895262

ABSTRACT:
A cellular system access monitor for monitoring and reporting information relating to the operation of cellular telephone systems. The monitor features a cellular telephone of current design, responding to the expanded spectrum of 832 channels. The cellular telephone communicates with a controller using a self-clocking data transmission scheme to improve the reporting and displaying of cellular system parameters, such as cellsite control-channel identification numbers and textual cellsite identification information. Additionally, the monitor employes a calibration feature for measuring and displaying accurately signal strength in decibels. System parameters are shown on a bit-mapped display.

REFERENCES:
patent: 4680787 (1987-07-01), Marry
patent: 4810960 (1989-03-01), Owen et al.
patent: 4920496 (1990-04-01), Szczebak, Jr.
patent: 4977399 (1990-12-01), Price et al.
patent: 5008953 (1991-04-01), Dahlin et al.
patent: 5042082 (1991-08-01), Dahlin
AT&T Customer Information Bulletin 301, System Access Monitor (SAM) Installation and Operation, Apr. 1, 1984.

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