Radio telephone operating technique

Details Radio telephone operating technique Radio telephone operating technique

1995-10-18

1997-01-14

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 59, 379368, H04M 1100

Patent

active

055947786

ABSTRACT:
A radiotelephone (101) has a memory, a display (127) and a keypad (117) with at least one key (121) to produce at least a first function key signal and a second function key signal, and a plurality of data keys (119). First, a first function key creates a first function key signal, turning on the radiotelephone (209); second, a phone number is selected (215). Third, the first function key creates a second function key signal from said first function key, activating the radiotelephone to call the phone number (207). Fourth, a second function key creates a third function key signal disconnecting the radiotelephone from said call (211). Fifth, the second function key creates a fourth function key signal turning off the radiotelephone (213).

REFERENCES:
patent: 4425627 (1984-01-01), Eibner et al.
patent: 4736410 (1988-04-01), Nishida et al.
patent: 4769516 (1988-09-01), Allen
patent: 4872196 (1989-10-01), Royer et al.
patent: 4979207 (1990-12-01), Baum et al.
patent: 5007077 (1991-04-01), Fields et al.
Motorola, Micro TAC 9800XL, Cellular Portable Telephone, User's Manual, 1989. This manual describes the operation of a cellular portable telephone which is currently available.
NovAtel 3200/3300 Series, Jan. 1990.

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