ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืื™ื ื˜ืจื ื˜: ื”ืชืคื•ืจืจื•ืช, ื—ืœืง 1

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืื™ื ื˜ืจื ื˜: ื”ืชืคื•ืจืจื•ืช, ื—ืœืง 1

ืžืืžืจื™ื ื ื•ืกืคื™ื ื‘ืกื“ืจื”:

ื‘ืžืฉืš ื›ืฉื‘ืขื™ื ืฉื ื”, ืœ-AT&T, ื—ื‘ืจืช ื”ืื ืฉืœ Bell System, ืœื ื”ื™ื• ื›ืžืขื˜ ืžืชื—ืจื™ื ื‘ืชื—ื•ื ื”ืชืงืฉื•ืจืช ื”ืืžืจื™ืงืื™ืช. ื”ื™ืจื™ื‘ื” ื”ื™ื—ื™ื“ื” ื‘ืขืœืช ืžืฉืžืขื•ืช ื›ืœืฉื”ื™ ื”ื™ื™ืชื” General Telephone, ืฉืœื™ืžื™ื ื ื•ื“ืขื” ื‘ืฉื GT&E ื•ืœืื—ืจ ืžื›ืŸ ืคืฉื•ื˜ GTE. ืื‘ืœ ืขื“ ืืžืฆืข ื”ืžืื” ื”-5 ืขืžื“ื• ืœืจืฉื•ืชื” ืจืง ืฉื ื™ ืžื™ืœื™ื•ืŸ ืงื•ื•ื™ ื˜ืœืคื•ืŸ, ื›ืœื•ืžืจ ืœื ื™ื•ืชืจ ืž-1913% ืžื›ืœืœ ื”ืฉื•ืง. ืชืงื•ืคืช ื”ื“ื•ืžื™ื ื ื˜ื™ื•ืช ืฉืœ AT&T - ืžื”ืกื›ื ื’'ื ื˜ืœืžืŸ ืขื ื”ืžืžืฉืœื” ื‘-1982 ื•ืขื“ ืฉืื•ืชื” ืžืžืฉืœื” ื‘ื™ืชืจื” ืื•ืชื” ื‘-XNUMX - ืžืกืžื ืช ื‘ืขืจืš ืืช ื”ื”ืชื—ืœื” ื•ื”ืกื™ื•ื ืฉืœ ืขื™ื“ืŸ ืคื•ืœื™ื˜ื™ ืžื•ื–ืจ ื‘ืืจืฆื•ืช ื”ื‘ืจื™ืช; ืชืงื•ืคื” ืฉื‘ื” ืื–ืจื—ื™ื ื™ื›ืœื• ืœืกืžื•ืš ืขืœ ื”ื ื“ื™ื‘ื•ืช ื•ื”ื™ืขื™ืœื•ืช ืฉืœ ื”ืžืขืจื›ืช ื”ื‘ื™ืจื•ืงืจื˜ื™ืช ื”ื’ื“ื•ืœื”.

ืงืฉื” ืœื”ืชื•ื•ื›ื— ืขื ื”ื‘ื™ืฆื•ืขื™ื ื”ื—ื™ืฆื•ื ื™ื™ื ืฉืœ AT&T ื‘ืชืงื•ืคื” ื–ื•. ืž-1955 ืขื“ 1980, AT&T ื”ื•ืกื™ืคื” ื›ืžืขื˜ ืžื™ืœื™ืืจื“ ืžื™ื™ืœื™ื ืฉืœ ืงื•ื•ื™ ื˜ืœืคื•ืŸ ืงื•ืœื™ื™ื, ืจื•ื‘ื ืจื“ื™ื• ืžื™ืงืจื•ื’ืœ. ื”ืขืœื•ืช ืœืงื™ืœื•ืžื˜ืจ ืงื• ื™ืจื“ื” ืคื™ ืขืฉืจื” ื‘ืชืงื•ืคื” ื–ื•. ื”ื™ืจื™ื“ื” ื‘ืขืœื•ืช ื‘ืื” ืœื™ื“ื™ ื‘ื™ื˜ื•ื™ ื‘ืฆืจื›ื ื™ื ืฉื—ืฉื• ื‘ื™ืจื™ื“ื” ืžืชืžื“ืช ื‘ืขืจืš ื”ืจื™ืืœื™ (ืžืชื•ืื ืื™ื ืคืœืฆื™ื”) ืฉืœ ื—ืฉื‘ื•ื ื•ืช ื”ื˜ืœืคื•ืŸ ืฉืœื”ื. ื‘ื™ืŸ ืื ื ืžื“ื“ ืœืคื™ ืื—ื•ื– ืžืฉืงื™ ื”ื‘ื™ืช ืฉื”ื™ื” ืœื”ื ื˜ืœืคื•ืŸ ืžืฉืœื”ื (90% ื‘ืฉื ื•ืช ื”-1970), ืœืคื™ ื™ื—ืก ื”ืื•ืช ืœืจืขืฉ, ืื• ืœืคื™ ืืžื™ื ื•ืช, ืืจืฆื•ืช ื”ื‘ืจื™ืช ื™ื›ื•ืœื” ืœื”ืชืคืืจ ื‘ืื•ืคืŸ ืขืงื‘ื™ ื‘ืฉื™ืจื•ืช ื”ื˜ืœืคื•ืŸ ื”ื˜ื•ื‘ ื‘ืขื•ืœื. ื‘ืฉื•ื ื–ืžืŸ ืœื ื ืชื ื” AT&T ืกื™ื‘ื” ืœื”ืืžื™ืŸ ืฉื”ื™ื ื ื—ื” ืขืœ ื–ืจื™ ื”ื“ืคื ื” ืฉืœ ืชืฉืชื™ืช ื”ื˜ืœืคื•ืŸ ื”ืงื™ื™ืžืช ืฉืœื”. ื–ืจื•ืข ื”ืžื—ืงืจ ืฉืœื”, Bell Labs, ืชืจืžื” ืชืจื•ืžื” ืžื”ื•ืชื™ืช ืœืคื™ืชื•ื— ืžื—ืฉื‘ื™ื, ืืœืงื˜ืจื•ื ื™ืงื” ื‘ืžืฆื‘ ืžื•ืฆืง, ืœื™ื™ื–ืจื™ื, ืกื™ื‘ื™ื ืื•ืคื˜ื™ื™ื, ืชืงืฉื•ืจืช ืœื•ื•ื™ื™ื ื™ืช ื•ืขื•ื“. ืจืง ื‘ื”ืฉื•ื•ืื” ืœืžื”ื™ืจื•ืช ื”ืคื™ืชื•ื— ื™ื•ืฆืืช ื”ื“ื•ืคืŸ ืฉืœ ืชืขืฉื™ื™ืช ื”ืžื—ืฉื‘ื™ื ื ื™ืชืŸ ืœื›ื ื•ืช ืืช AT&T ื—ื‘ืจื” ืฉื ืข ืœืื˜. ืขื ื–ืืช, ื‘ืฉื ื•ืช ื”-1970, ื”ืจืขื™ื•ืŸ ืฉ-AT&T ื”ื™ื” ืื™ื˜ื™ ืœื—ื“ืฉ ืงื™ื‘ืœ ืžืกืคื™ืง ืžืฉืงืœ ืคื•ืœื™ื˜ื™ ื›ื“ื™ ืœื”ื•ื‘ื™ืœ ืœืคื™ืฆื•ืœ ื”ื–ืžื ื™ ืฉืœื”.

ืงืจื™ืกืช ืฉื™ืชื•ืฃ ื”ืคืขื•ืœื” ื‘ื™ืŸ AT&T ืœืžืžืฉืœืช ืืจื”"ื‘ ื”ื™ื™ืชื” ืื™ื˜ื™ืช ื•ื ืžืฉื›ื” ื›ืžื” ืขืฉื•ืจื™ื. ื–ื” ื”ืชื—ื™ืœ ื›ืืฉืจ ื•ืขื“ืช ื”ืชืงืฉื•ืจืช ื”ืคื“ืจืœื™ืช ืฉืœ ืืจื”"ื‘ (FCC) ื”ื—ืœื™ื˜ื” ืœืชืงืŸ ืžืขื˜ ืืช ื”ืžืขืจื›ืช - ืœื”ืกื™ืจ ื—ื•ื˜ ืจื•ืคืฃ ืื—ื“ ื›ืืŸ, ืื—ืจ ืฉื... ืื•ืœื, ื”ื ื™ืกื™ื•ื ื•ืช ืฉืœื”ื ืœื”ื—ื–ื™ืจ ืืช ื”ืกื“ืจ ืขืœ ื›ื ื• ืจืง ืคืจืžื• ืขื•ื“ ื•ืขื•ื“ ืฉืจืฉื•ืจื™ื. ื‘ืืžืฆืข ืฉื ื•ืช ื”-1970, ื”ื ื”ื‘ื™ื˜ื• ื‘ืชืžื™ื”ื” ืขืœ ื”ื‘ืœื’ืŸ ืฉื”ื ื™ืฆืจื•. ื•ืื– ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ื•ื‘ืชื™ ื”ืžืฉืคื˜ ื”ืคื“ืจืœื™ื™ื ื ืจืชืžื• ืขื ื”ืžืกืคืจื™ื™ื ืฉืœื”ื ื•ื”ื ื™ื—ื• ืืช ื”ืขื ื™ื™ืŸ.

ื”ืžื ื™ืข ื”ืขื™ืงืจื™ ืฉืœ ื”ืฉื™ื ื•ื™ื™ื ื”ืœืœื•, ื—ื™ืฆื•ื ื™ ืœืžืžืฉืœื”, ื”ื™ื” ื—ื‘ืจื” ื—ื“ืฉื” ืงื˜ื ื” ื‘ืฉื Microwave Communications, Incorporated. ืขื ื–ืืช, ืœืคื ื™ ืฉื ื’ื™ืข ืœืฉื, ื‘ื•ืื• ื ืกืชื›ืœ ื›ื™ืฆื“ AT&T ื•ื”ืžืžืฉืœื” ื”ืคื“ืจืœื™ืช ืงื™ื™ืžื• ืื™ื ื˜ืจืืงืฆื™ื” ื‘ืžื”ืœืš ืฉื ื•ืช ื”ื—ืžื™ืฉื™ื ื”ืžืื•ืฉืจื•ืช ื™ื•ืชืจ.

ืกื˜ื˜ื•ืก ืงื•ื•

ื›ืคื™ ืฉืจืื™ื ื• ื‘ืคืขื ื”ืงื•ื“ืžืช, ื‘ืžืื” ื”-1934 ืฉื ื™ ืกื•ื’ื™ื ืฉื•ื ื™ื ืฉืœ ื—ื•ืงื™ื ื”ื™ื• ืื—ืจืื™ื ืœื‘ื“ื™ืงืช ืขื ืงื™ื•ืช ืชืขืฉื™ื™ืชื™ื•ืช ื›ืžื• AT&T. ืžืฆื“ ืื—ื“, ื”ื™ื” ื—ื•ืง ืจื’ื•ืœื˜ื•ืจื™. ื‘ืžืงืจื” ืฉืœ AT&T, ื›ืœื‘ ื”ืฉืžื™ืจื” ื”ื™ื” ื”-FCC, ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ ื—ื•ืง ื”ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ืฉืœ XNUMX. ืžื”ืฆื“ ื”ืฉื ื™ ืขืžื“ ื—ื•ืง ื”ื”ื’ื‘ืœื™ื ื”ืขืกืงื™ื™ื, ืฉื ืื›ืฃ ืขืœ ื™ื“ื™ ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื. ืฉื ื™ ืขื ืคื™ ื”ื—ื•ืง ื”ืœืœื• ื ื‘ื“ืœื• ื‘ืื•ืคืŸ ืžืฉืžืขื•ืชื™ ืœืžื“ื™. ืื ื ื™ืชืŸ ื”ื™ื” ืœื”ืฉื•ื•ืช ืืช ื”-FCC ืœืžื—ืจื˜ื”, ื”ื ืคื’ืฉืช ืžืขืช ืœืขืช ื›ื“ื™ ืœืงื‘ืœ ื”ื—ืœื˜ื•ืช ืงื˜ื ื•ืช ืฉืขื™ืฆื‘ื• ื‘ื”ื“ืจื’ื” ืืช ื”ืชื ื”ื’ื•ืชื” ืฉืœ AT&T, ืื– ื—ื•ืง ื”ื”ื’ื‘ืœื™ื ื”ืขืกืงื™ื™ื ื™ื›ื•ืœ ืœื”ื™ื—ืฉื‘ ื›ื’ืจื–ืŸ ืืฉ: ื”ื•ื ืฉืžื•ืจ ื‘ื“ืจืš ื›ืœืœ ื‘ืืจื•ืŸ, ืืš ืชื•ืฆืื•ืช ื”ื™ื™ืฉื•ื ืฉืœื• ืื™ื ืŸ ืขื“ื™ื ื•ืช ื‘ืžื™ื•ื—ื“ .

ื‘ืฉื ื•ืช ื”-1950, AT&T ืงื™ื‘ืœื” ืื™ื•ืžื™ื ืžืฉื ื™ ื”ื›ื™ื•ื•ื ื™ื, ืื‘ืœ ื›ื•ืœื ื ืคืชืจื• ื‘ืฆื•ืจื” ื“ื™ ืฉืœื•ื•ื”, ืขื ื”ืฉืคืขื” ืžื•ืขื˜ื” ืขืœ ื”ืœื™ื‘ื” ืฉืœ AT&T. ืœื ื”-FCC ื•ืœื ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ื—ืœืงื• ืขืœ ื›ืš ืฉ-AT&T ืชื™ืฉืืจ ื”ืกืคืงื™ืช ื”ื“ื•ืžื™ื ื ื˜ื™ืช ืฉืœ ืฆื™ื•ื“ ื•ืฉื™ืจื•ืชื™ ื˜ืœืคื•ืŸ ื‘ืืจืฆื•ืช ื”ื‘ืจื™ืช.

ืฉืงื˜

ื‘ื•ืื• ื ืกืชื›ืœ ืชื—ื™ืœื” ืขืœ ืžืขืจื›ืช ื”ื™ื—ืกื™ื ืฉืœ AT&T ืขื ื”-FCC ื“ืจืš ืžืงืจื” ืงื˜ืŸ ื•ื™ื•ืฆื ื“ื•ืคืŸ ื”ื›ื•ืœืœ ืžื›ืฉื™ืจื™ ืฆื“ ืฉืœื™ืฉื™. ืžืื– ืฉื ื•ืช ื”-1920, ื—ื‘ืจื” ื–ืขื™ืจื” ื‘ืžื ื”ื˜ืŸ ื‘ืฉื Hush-a-Phone Corporation ืžืชืคืจื ืกืช ืžืžื›ื™ืจืช ื›ื•ืก ืฉืžืชื—ื‘ืจืช ืœื—ืœืง ื‘ื˜ืœืคื•ืŸ ืฉืืœื™ื• ืืชื” ืžื“ื‘ืจ. ื”ืžืฉืชืžืฉ, ื”ืžื“ื‘ืจ ื™ืฉื™ืจื•ืช ืœืชื•ืš ื”ืžื›ืฉื™ืจ ื”ื–ื”, ื™ื›ื•ืœ ืœื”ื™ืžื ืข ืžืฆื•ืชืช ืžืฆื“ ืื ืฉื™ื ื‘ืงืจื‘ืช ืžืงื•ื, ื•ื’ื ืœื—ืกื•ื ื—ืœืง ืžืจืขืฉื™ ื”ืจืงืข (ืœืžืฉืœ, ื‘ืขื™ืฆื•ืžื• ืฉืœ ืžืฉืจื“ ืžืกื—ืจ). ืขื ื–ืืช, ื‘ืฉื ื•ืช ื”-1940, AT&T ื”ื—ืœื” ืœื”ืคืขื™ืœ ืœื—ืฅ ืขืœ ืžื›ืฉื™ืจื™ ืฆื“ ืฉืœื™ืฉื™ ื›ืืœื” โ€“ ื›ืœื•ืžืจ ืขืœ ื›ืœ ืฆื™ื•ื“ ืฉื”ืชื—ื‘ืจ ืœืžื›ืฉื™ืจื™ Bell System ืฉืžืขืจื›ืช ื”ื‘ืœ ืขืฆืžื” ืœื ื™ืฆืจื”.

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืื™ื ื˜ืจื ื˜: ื”ืชืคื•ืจืจื•ืช, ื—ืœืง 1
ื“ื’ื ืžื•ืงื“ื ืฉืœ Hush-a-Phone ื”ืžื—ื•ื‘ืจ ืœื˜ืœืคื•ืŸ ืื ื›ื™

ืœืคื™ AT&T, Hush-a-Phone ื”ืฆื ื•ืข ื”ื™ื” ื‘ื“ื™ื•ืง ืžื›ืฉื™ืจ ืฆื“ ืฉืœื™ืฉื™ ื›ื–ื”, ืžื” ืฉื”ื•ืคืš ื›ืœ ืžื ื•ื™ ืฉืžืฉืชืžืฉ ื‘ืžื›ืฉื™ืจ ื›ื–ื” ืขื ื”ื˜ืœืคื•ืŸ ืฉืœื• ื›ืคื•ืฃ ืœื ื™ืชื•ืง ื‘ื’ืœืœ ื”ืคืจืช ืชื ืื™ ื”ืฉื™ืžื•ืฉ. ื›ื›ืœ ื”ื™ื“ื•ืข ืœื ื•, ื”ืื™ื•ื ื”ื–ื” ืžืขื•ืœื ืœื ื‘ื•ืฆืข, ืื‘ืœ ื”ืืคืฉืจื•ืช ืขืฆืžื” ื›ื ืจืื” ืขืœืชื” ืœ-Hush-a-Phone ืงืฆืช ื›ืกืฃ, ื‘ืžื™ื•ื—ื“ ืžืงืžืขื•ื ืื™ื ืฉืœื ื”ื™ื• ืžื•ื›ื ื™ื ืœื”ื—ื–ื™ืง ืืช ื”ืฆื™ื•ื“ ืฉืœื”ื. ื”ืืจื™ ื˜ืื˜ืœ, ืžืžืฆื™ื Hush-a-Phone ื•ื”"ื ืฉื™ื" ืฉืœ ื”ืขืกืง (ืื ื›ื™ ื”ืขื•ื‘ื“ ื”ื™ื—ื™ื“ ืฉืœ ื”ื—ื‘ืจื” ืฉืœื• ืžืœื‘ื“ื• ื”ื™ื” ื”ืžื–ื›ื™ืจ ืฉืœื•), ื”ื—ืœื™ื˜ ืœื”ืชื•ื•ื›ื— ืขื ื’ื™ืฉื” ื–ื• ื•ื”ื’ื™ืฉ ืชืœื•ื ื” ืœ-FCC ื‘ื“ืฆืžื‘ืจ 1948.

ืœ-FCC ื”ื™ื™ืชื” ื”ืกืžื›ื•ืช ื”ืŸ ืœืงื‘ื•ืข ื›ืœืœื™ื ื—ื“ืฉื™ื ื‘ืชื•ืจ ื”ืจืฉื•ืช ื”ืžื—ื•ืงืงืช ื•ื”ืŸ ืœืคืชื•ืจ ืกื›ืกื•ื›ื™ื ื‘ืชื•ืจ ื”ืจืฉื•ืช ื”ืฉื•ืคื˜ืช. ื‘ืชืคืงื™ื“ ื”ืื—ืจื•ืŸ ืงื™ื‘ืœื” ื”ื•ื•ืขื“ื” ื”ื—ืœื˜ื” ื‘-1950 ื›ืืฉืจ ื‘ื—ื ื” ืืช ืชืœื•ื ืชื• ืฉืœ ื˜ืื˜ืœ. ื˜ืื˜ืœ ืœื ื”ื•ืคื™ืข ื‘ืคื ื™ ื”ื•ื•ืขื“ื” ืœื‘ื“ื”; ื”ื•ื ื”ืชื—ืžืฉ ื‘ืขื“ื™ื ืžื•ืžื—ื™ื ืžืงื™ื™ืžื‘ืจื™ื“ื’', ืžื•ื›ืŸ ืœื”ืขื™ื“ ืฉื”ืื™ื›ื•ื™ื•ืช ื”ืืงื•ืกื˜ื™ื•ืช ืฉืœ ื”-Hush-a-Phone ื”ื™ื• ืขื“ื™ืคื•ืช ืขืœ ืืœื• ืฉืœ ื”ืืœื˜ืจื ื˜ื™ื‘ื” ืฉืœื• - ื”ื™ื“ ื”ื—ื•ืคื” (ื”ืžื•ืžื—ื™ื ื”ื™ื• ืœื™ืื• ื‘ืจื ืง ื•ื’'ื•ื–ืฃ ืงืจืœ ืจื•ื‘ื ื˜ ืœื™ืงืœื™ื“ืจ, ื•ื”ื ื”ื™ื• ืžืื•ื—ืจ ื™ื•ืชืจ. ืœืฉื—ืง ืชืคืงื™ื“ ื”ืจื‘ื” ื™ื•ืชืจ ื—ืฉื•ื‘ ื‘ืกื™ืคื•ืจ ื”ื–ื” ืžืืฉืจ ื”ืงืžื™ืข ื”ืงื˜ืŸ ื”ื–ื”). ืขืžื“ืชื• ืฉืœ Hush-a-Phone ื”ืชื‘ืกืกื” ืขืœ ื”ืขื•ื‘ื“ื•ืช ืฉื”ืขื™ืฆื•ื‘ ืฉืœื• ืขื“ื™ืฃ ืขืœ ื”ื—ืœื•ืคื” ื”ืืคืฉืจื™ืช ื”ื™ื—ื™ื“ื”, ืฉื›ืžื›ืฉื™ืจ ืคืฉื•ื˜ ืฉืžืชื—ื‘ืจ ืœื˜ืœืคื•ืŸ, ื”ื•ื ืœื ื™ื›ื•ืœ ืœืคื’ื•ืข ื‘ืจืฉืช ื”ื˜ืœืคื•ืŸ ื‘ืฉื•ื ืฆื•ืจื”, ื•ื›ื™ ืœืžืฉืชืžืฉื™ื ืคืจื˜ื™ื™ื ื”ื–ื›ื•ืช ืœืงื‘ืœ ื”ื—ืœื˜ื•ืช ืžืฉืœื”ื ืœื’ื‘ื™ ื”ืฉื™ืžื•ืฉ ื‘ืฆื™ื•ื“ ืฉื ืจืื” ืœื”ื ื ื•ื—.

ืžื ืงื•ื“ืช ืžื‘ื˜ ืžื•ื“ืจื ื™ืช, ื”ื˜ื™ืขื•ื ื™ื ื”ืœืœื• ื ืจืื™ื ื‘ืœืชื™ ื ื™ืชื ื™ื ืœื”ืคืจื›ื”, ื•ื”ืขืžื“ื” ืฉืœ AT&T ื ืจืื™ืช ืื‘ืกื•ืจื“ื™ืช; ืื™ื–ื• ื–ื›ื•ืช ื™ืฉ ืœื—ื‘ืจื” ืœืžื ื•ืข ืžืื ืฉื™ื ืคืจื˜ื™ื™ื ืœื—ื‘ืจ ื›ืœ ื“ื‘ืจ ืœื˜ืœืคื•ืŸ ื‘ื‘ื™ืช ืื• ื‘ืžืฉืจื“ ืฉืœื”ื? ื”ืื ืœืืคืœ ืฆืจื™ื›ื” ืœื”ื™ื•ืช ื”ื–ื›ื•ืช ืœืžื ื•ืข ืžืžืš ืœืฉื™ื ืืช ื”ืื™ื™ืคื•ืŸ ืฉืœืš ื‘ืžืืจื–? ืขื ื–ืืช, ื”ืชื•ื›ื ื™ืช ืฉืœ AT&T ืœื ื”ื™ื™ืชื” ืœื”ืคืขื™ืœ ืœื—ืฅ ืขืœ Hush-a-Phone ืกืคืฆื™ืคื™ืช, ืืœื ืœื”ื’ืŸ ืขืœ ื”ืขื™ืงืจื•ืŸ ื”ื›ืœืœื™ ืฉืœ ืื™ืกื•ืจ ืขืœ ืžื›ืฉื™ืจื™ื ืฉืœ ืฆื“ ืฉืœื™ืฉื™. ื”ื™ื• ื›ืžื” ื˜ื™ืขื•ื ื™ื ืžืฉื›ื ืขื™ื ื‘ืขื“ ืขื™ืงืจื•ืŸ ื–ื”, ื”ืงืฉื•ืจื™ื ื”ืŸ ืœืฆื“ ื”ื›ืœื›ืœื™ ืฉืœ ื”ืขื ื™ื™ืŸ ื•ื”ืŸ ืœืื™ื ื˜ืจืกื™ื ืฆื™ื‘ื•ืจื™ื™ื. ืžืœื›ืชื—ื™ืœื”, ืฉื™ืžื•ืฉ ื‘ืžื›ืฉื™ืจ ื˜ืœืคื•ืŸ ื‘ื•ื“ื“ ืœื ื”ื™ื” ืขื ื™ื™ืŸ ืคืจื˜ื™, ืฉื›ืŸ ื”ื•ื ื™ื›ื•ืœ ืœื”ืชื—ื‘ืจ ืœืžื™ืœื™ื•ื ื™ ืกื˜ื™ื ืฉืœ ืžื ื•ื™ื™ื ืื—ืจื™ื, ื•ื›ืœ ื“ื‘ืจ ืฉืคื•ื’ืข ื‘ืื™ื›ื•ืช ื”ืฉื™ื—ื” ืขืœื•ืœ ืœื”ืฉืคื™ืข ืขืœ ื›ืœ ืื—ื“ ืžื”ื. ื›ื“ืื™ ื’ื ืœื–ื›ื•ืจ ืฉื‘ืื•ืชื” ืชืงื•ืคื” ื—ื‘ืจื•ืช ื˜ืœืคื•ืŸ ื›ืžื• AT&T ื”ื™ื• ื”ื‘ืขืœื™ื ืฉืœ ื›ืœ ืจืฉืช ื”ื˜ืœืคื•ืŸ ื”ืคื™ื–ื™ืช. ืจื›ื•ืฉื ื”ืฉืชืจืข ืžืžืจื›ื–ื™ื•ืช ืžืจื›ื–ื™ื•ืช ื•ืขื“ ื—ื•ื˜ื™ื ื•ืžื›ืฉื™ืจื™ ื˜ืœืคื•ืŸ ืขืฆืžื, ืฉื”ืžืฉืชืžืฉื™ื ืฉื›ืจื•. ืื– ืžื ืงื•ื“ืช ืžื‘ื˜ ืฉืœ ืงื ื™ื™ืŸ ืคืจื˜ื™, ื–ื” ื ืจืื” ื”ื’ื™ื•ื ื™ ืฉืœื—ื‘ืจืช ื”ื˜ืœืคื•ืŸ ืชื”ื™ื” ื”ื–ื›ื•ืช ืœืฉืœื•ื˜ ื‘ืžื” ืฉืงืจื” ืœืฆื™ื•ื“ ืฉืœื”. AT&T ื”ืฉืงื™ืขื” ืžื™ืœื™ื•ื ื™ ื“ื•ืœืจื™ื ื‘ืžืฉืš ืขืฉื•ืจื™ื ืจื‘ื™ื ื‘ืคื™ืชื•ื— ื”ืžื›ื•ื ื” ื”ืžืชื•ื—ื›ืžืช ื‘ื™ื•ืชืจ ืฉื™ื“ื•ืข ืœืื“ื. ืื™ืš ื›ืœ ืกื•ื—ืจ ืงื˜ืŸ ืขื ืจืขื™ื•ืŸ ืžื˜ื•ืจืฃ ื™ื›ื•ืœ ืœืชื‘ื•ืข ืืช ื–ื›ื•ื™ื•ืชื™ื• ืœื”ืจื•ื•ื™ื— ืžื”ื”ื™ืฉื’ื™ื ื”ืœืœื•? ืœื‘ืกื•ืฃ, ื›ื“ืื™ ืœืงื—ืช ื‘ื—ืฉื‘ื•ืŸ ืฉ-AT&T ืขืฆืžื” ื”ืฆื™ืขื” ืžื’ื•ื•ืŸ ืื‘ื™ื–ืจื™ื ืœื‘ื—ื™ืจื”, ืžื ื•ืจื•ืช ืื™ืชื•ืช ื•ืขื“ ืชื•ืฉื‘ื•ืช ื›ืชืคื™ื™ื, ืฉื’ื ื”ื•ืฉื›ืจื• (ื‘ื“ืจืš ื›ืœืœ ืขืœ ื™ื“ื™ ืขืกืงื™ื) ื•ื”ืขืžืœื•ืช ืขื‘ื•ืจื ื ืคืœื• ืœืงื•ืคืชื” ืฉืœ AT&T, ื•ืขื–ืจื• ืœืฉืžื•ืจ ืขืœ ืžื—ื™ืจื™ื ื ืžื•ื›ื™ื. ื‘ืกื™ืกื™ ืฉื™ืจื•ืชื™ื ื”ื ื™ืชื ื™ื ืœืžื ื•ื™ื™ื ืจื’ื™ืœื™ื. ื”ืคื ื™ื™ืช ื”ื”ื›ื ืกื•ืช ื”ืœืœื• ืœื›ื™ืกื ืฉืœ ื™ื–ืžื™ื ืคืจื˜ื™ื™ื ืชืฉื‘ืฉ ืืช ืžืขืจื›ืช ื”ื—ืœื•ืงื” ืžื—ื“ืฉ ื”ื–ื•.

ืœื ืžืฉื ื” ืžื” ืืชื” ืžืจื’ื™ืฉ ืœื’ื‘ื™ ื”ื˜ื™ืขื•ื ื™ื ื”ืœืœื•, ื”ื ืฉื›ื ืขื• ืืช ื”ื•ื•ืขื“ื” - ื”-FCC ื”ื’ื™ืข ืคื” ืื—ื“ ืœืžืกืงื ื” ืฉืœ-AT&T ื™ืฉ ืืช ื”ื–ื›ื•ืช ืœืฉืœื•ื˜ ื‘ื›ืœ ืžื” ืฉืงื•ืจื” ืœืจืฉืช, ื›ื•ืœืœ ื”ืžื›ืฉื™ืจื™ื ืฉืžื—ื•ื‘ืจื™ื ืœืžื›ืฉื™ืจ. ืขื ื–ืืช, ื‘ืฉื ืช 1956, ื‘ื™ืช ืžืฉืคื˜ ืคื“ืจืœื™ ืœืขืจืขื•ืจื™ื ื“ื—ื” ืืช ื”ื—ืœื˜ืช ื”-FCC. ื”ืฉื•ืคื˜ ืงื‘ืข ืฉืื Hush-a-Phone ืื›ืŸ ืคื•ื’ืข ื‘ืื™ื›ื•ืช ื”ืงื•ืœ, ื”ื•ื ืขื•ืฉื” ื–ืืช ืจืง ืขื‘ื•ืจ ืื•ืชื ืžื ื•ื™ื™ื ืฉืžืฉืชืžืฉื™ื ื‘ื•, ื•ืœ-AT&T ืื™ืŸ ืกื™ื‘ื” ืœื”ืชืขืจื‘ ื‘ืคืชืจื•ืŸ ื”ืคืจื˜ื™ ื”ื–ื”. ืœ-AT&T ื’ื ืื™ืŸ ื™ื›ื•ืœืช ืื• ื›ื•ื•ื ื” ืœืžื ื•ืข ืžืžืฉืชืžืฉื™ื ืœื”ืฉืชื™ืง ืืช ืงื•ืœื ื‘ื“ืจื›ื™ื ืื—ืจื•ืช. "ืœื•ืžืจ ืฉืžื ื•ื™ ื˜ืœืคื•ื ื™ ื™ื›ื•ืœ ืœื”ืฉื™ื’ ืืช ื”ืชื•ืฆืื” ื”ืžื“ื•ื‘ืจืช ืขืœ ื™ื“ื™ ื—ื‘ื™ืœืช ื™ื“ื• ื•ื“ื™ื‘ื•ืจ ืœืชื•ื›ื”", ื›ืชื‘ ื”ืฉื•ืคื˜, "ืืš ืื™ื ื• ื™ื›ื•ืœ ืœืขืฉื•ืช ื–ืืช ื‘ืืžืฆืขื•ืช ืžื›ืฉื™ืจ ืฉืžืฉืื™ืจ ืืช ื™ื“ื• ื—ื•ืคืฉื™ืช ืœื›ืชื•ื‘ ื‘ื• ืื• ืœืขืฉื•ืช ื›ืœ ื“ื‘ืจ ืื—ืจ. ืขื ื–ื”, ื›ืœ ืžื” ืฉื”ื•ื ืจื•ืฆื” ืœื ื™ื”ื™ื” ื”ื•ื’ืŸ ื•ืœื ื”ื’ื™ื•ื ื™". ื•ืœืžืจื•ืช ืฉื”ืฉื•ืคื˜ื™ื ื›ื ืจืื” ืœื ืื”ื‘ื• ืืช ื”ื—ื•ืฆืคื” ืฉืœ AT&T ื‘ืžืงืจื” ื–ื”, ื’ื–ืจ ื”ื“ื™ืŸ ืฉืœื”ื ื”ื™ื” ืฆืจ - ื”ื ืœื ื‘ื™ื˜ืœื• ืœื—ืœื•ื˜ื™ืŸ ืืช ื”ืื™ืกื•ืจ ืขืœ ืžื›ืฉื™ืจื™ ืฆื“ ืฉืœื™ืฉื™, ื•ืจืง ืื™ืฉืจื• ืืช ื–ื›ื•ืชื ืฉืœ ื”ืžื ื•ื™ื™ื ืœื”ืฉืชืžืฉ ื‘-Hush-a-Phone ื›ืจืฆื•ื ื ( ื‘ื›ืœ ืžืงืจื”, The Hush-a-Phone ืœื ื”ื—ื–ื™ืง ืžืขืžื“ ื–ืžืŸ ืจื‘ - ื”ืžื›ืฉื™ืจ ื ืืœืฅ ืœื”ื™ื•ืช ืžืขื•ืฆื‘ ืžื—ื“ืฉ ื‘ืฉื ื•ืช ื”-1960 ืขืงื‘ ืฉื™ื ื•ื™ื™ื ื‘ืขื™ืฆื•ื‘ ื”ืฆื™ื ื•ืจื•ืช, ื•ืขื‘ื•ืจ ื˜ืื˜ืœ, ืฉื‘ื•ื•ื“ืื™ ื”ื™ื” ื‘ืฉื ื•ืช ื”-60 ืื• ื”-70 ืœื—ื™ื™ื•, ื–ื” ื”ื™ื” ื™ื•ืชืจ ืžื“ื™). AT&T ื”ืชืื™ืžื” ืืช ื”ืชืขืจื™ืคื™ื ืฉืœื” ื›ื“ื™ ืœืฆื™ื™ืŸ ืฉื”ืื™ืกื•ืจ ืขืœ ืžื›ืฉื™ืจื™ ืฆื“ ืฉืœื™ืฉื™ ืฉืžืชื—ื‘ืจื™ื ื—ืฉืžืœื™ืช ืื• ืื™ื ื“ื•ืงื˜ื™ื‘ื™ืช ืœื˜ืœืคื•ืŸ ื ืฉืืจ ื‘ืชื•ืงืฃ. ืขื ื–ืืช, ื–ื” ื”ื™ื” ื”ืกื™ืžืŸ ื”ืจืืฉื•ืŸ ืœื›ืš ืฉื—ืœืงื™ื ืื—ืจื™ื ืฉืœ ื”ืžืžืฉืœ ื”ืคื“ืจืœื™ ืœื ื‘ื”ื›ืจื— ื™ืชื™ื™ื—ืกื• ืœ-AT&T ื‘ืื•ืชื” ื ื•ื—ื•ืช ื›ืžื• ื”ืจื’ื•ืœื˜ื•ืจื™ื ืฉืœ ื”-FCC.

ืฆื• ื”ืกื›ืžื”

ื‘ื™ื ืชื™ื™ื, ื‘ืื•ืชื” ืฉื ื” ืฉื‘ื” ื”ื•ื’ืฉ ืขืจืขื•ืจ ืขืœ Hush-a-Phone, ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ื”ืคืกื™ืง ืืช ื—ืงื™ืจืช ื”ื”ื’ื‘ืœื™ื ื”ืขืกืงื™ื™ื ืฉืœื• ื‘-AT&T. ื—ืงื™ืจื” ื–ื• ืžืงื•ืจื” ื‘ืื•ืชื• ืžืงื•ื ื›ืžื• ื”-FCC ืขืฆืžื•. ื”ื™ื ื”ืชืืคืฉืจื” ืขืœ ื™ื“ื™ ืฉืชื™ ืขื•ื‘ื“ื•ืช ืขื™ืงืจื™ื•ืช: 1) ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง, ืขื ืงื™ืช ืชืขืฉื™ื™ืชื™ืช ื‘ืคื ื™ ืขืฆืžื”, ืฉืœื˜ื” ื‘-90% ืžืฉื•ืง ืฆื™ื•ื“ ื”ื˜ืœืคื•ื ื™ื ื•ื”ื™ื™ืชื” ื”ืกืคืงื™ืช ื”ื‘ืœืขื“ื™ืช ืฉืœ ืฆื™ื•ื“ ื›ื–ื” ืœืžืขืจื›ืช ืคืขืžื•ืŸ, ืžืžืจื›ื–ื™ื•ืช ื˜ืœืคื•ืŸ ืฉื”ื•ืฉื›ืจื• ืœืžืฉืชืžืฉื™ ืงืฆื” ื•ืขื“ ื›ื‘ืœื™ื ืงื•ืืงืกื™ืืœื™ื™ื ื•ืžื™ืงืจื•ื’ืœื™ื.ืžื’ื“ืœื™ื ื”ืžืฉืžืฉื™ื ืœื”ืขื‘ืจืช ืฉื™ื—ื•ืช ืžืฆื“ ืื—ื“ ืฉืœ ื”ืืจืฅ ืœืฆื“ ื”ืฉื ื™. ื•-2) ื›ืœ ื”ืžื ื’ื ื•ืŸ ื”ืจื’ื•ืœื˜ื•ืจื™ ืฉืฉืžืจ ืขืœ ื”ืžื•ื ื•ืคื•ืœ ืฉืœ AT&T ื”ืกืชืžืš ืขืœ ื”ื’ื‘ืœืช ืจื•ื•ื—ื™ื” ื›ืื—ื•ื– ืžื”ืฉืงืขื•ืช ื”ื”ื•ืŸ ืฉืœื”.

ื”ื‘ืขื™ื” ื”ื™ื™ืชื” ื–ื•. ืื“ื ื—ืฉื•ื“ ื™ื›ื•ืœ ื‘ืงืœื•ืช ืœื“ืžื™ื™ืŸ ืงื•ื ืกืคื™ืจืฆื™ื” ื‘ืชื•ืš ืžืขืจื›ืช ื”ืคืขืžื•ืŸ ืœื ืฆืœ ืืช ื”ืขื•ื‘ื“ื•ืช ื”ืœืœื•. ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง ื™ื›ืœื” ืœื ืคื— ืืช ื”ืžื—ื™ืจื™ื ืขื‘ื•ืจ ื™ืชืจืช ืžืขืจื›ืช ื”ืคืขืžื•ืŸ (ืœืžืฉืœ, ืขืœ ื™ื“ื™ ื—ื™ื•ื‘ ืฉืœ 5 ื“ื•ืœืจ ืขื‘ื•ืจ ืื•ืจืš ืžืกื•ื™ื ืฉืœ ื›ื‘ืœ ื›ืืฉืจ ื”ืžื—ื™ืจ ื”ื”ื•ื’ืŸ ืฉืœื• ื”ื™ื” 4 ื“ื•ืœืจ), ืชื•ืš ื”ื’ื“ืœืช ื”ื”ืฉืงืขื” ื”ื”ื•ื ื™ืช ืฉืœื” ื‘ืžื•ื ื—ื™ื ื“ื•ืœืจื™ื™ื ื•ืื™ืชื” ืืช ื”ืจื•ื•ื—ื™ื ื”ืื‘ืกื•ืœื•ื˜ื™ื™ื ืฉืœ ื”ื—ื‘ืจื”. ื ื ื™ื—, ืœืžืฉืœ, ืฉื”ืชืฉื•ืื” ื”ืžืงืกื™ืžืœื™ืช ืฉืœ ืื™ื ื“ื™ืื ื” ื‘ืœ ืขืœ ื”ื”ืฉืงืขื” ืขื‘ื•ืจ ืื™ื ื“ื™ืื ื” ื‘ืœ ื”ื™ื 7%. ื‘ื•ืื• ื ื ื™ื— ืฉ-Western Electric ื‘ื™ืงืฉื” 10 ื“ื•ืœืจ ืขื‘ื•ืจ ืฆื™ื•ื“ ื—ื“ืฉ ื‘-000. ืœืื—ืจ ืžื›ืŸ, ื”ื—ื‘ืจื” ืชื•ื›ืœ ืœื”ืจื•ื•ื™ื— 000 ื“ื•ืœืจ ื‘ืจื•ื•ื— - ืื•ืœื, ืื ื”ืžื—ื™ืจ ื”ื”ื•ื’ืŸ ืขื‘ื•ืจ ืฆื™ื•ื“ ื–ื” ื”ื™ื” 1934 ื“ื•ืœืจ, ื”ื™ื ืชืฆื˜ืจืš ืœื”ืจื•ื•ื™ื— ืจืง 700 ื“ื•ืœืจ.

ื”ืงื•ื ื’ืจืก, ืžื•ื“ืื’ ืžื›ืš ืฉืžืชื’ืœื’ืœืช ืชื•ื›ื ื™ืช ื”ื•ื ืื” ื›ื–ื•, ืขืจืš ื—ืงื™ืจื” ืขืœ ื”ื™ื—ืกื™ื ื‘ื™ืŸ ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง ืœื—ื‘ืจื•ืช ื”ืชืคืขื•ืœ ืฉื ื›ืœืœื• ื‘ืžื ื“ื˜ ื”ืžืงื•ืจื™ ืฉืœ FCC. ื”ืžื—ืงืจ ื ืžืฉืš ื—ืžืฉ ืฉื ื™ื ื•ืžืฉืชืจืข ืขืœ ืคื ื™ 700 ืขืžื•ื“ื™ื, ืชื•ืš ืคื™ืจื•ื˜ ื”ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ืžืขืจื›ืช ืคืขืžื•ืŸ, ื”ืžื‘ื ื” ื”ืืจื’ื•ื ื™, ื”ื˜ื›ื ื•ืœื•ื’ื™ ื•ื”ืคื™ื ื ืกื™ ืฉืœื”, ื•ื›ืœ ืคืขื•ืœื•ืชื™ื”, ื”ืŸ ื‘ื—ื•ืฅ ื•ื”ืŸ ื‘ืคื ื™ื. ื‘ื”ืชื™ื™ื—ืกื• ืœืฉืืœื” ื”ืžืงื•ืจื™ืช, ืขื•ืจื›ื™ ื”ืžื—ืงืจ ืžืฆืื• ื›ื™ ืœืžืขืฉื” ื‘ืœืชื™ ืืคืฉืจื™ ืœืงื‘ื•ืข ืื ื”ืžื—ื™ืจื™ื ืฉืœ ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง ื”ื•ื’ื ื™ื ืื• ืœื - ืœื ื”ื™ื™ืชื” ื“ื•ื’ืžื” ื“ื•ืžื”. ืขื ื–ืืช, ื”ื ื”ืžืœื™ืฆื• ืœื”ื›ื ื™ืก ืชื—ืจื•ืช ื›ืคื•ื™ื” ืœืฉื•ืง ื”ื˜ืœืคื•ื ื™ื” ื›ื“ื™ ืœื”ื‘ื˜ื™ื— ืฉื™ื˜ื•ืช ืขื‘ื•ื“ื” ื”ื•ื’ื ืช ื•ืœืขื•ื“ื“ ืจื•ื•ื—ื™ ื™ืขื™ืœื•ืช.

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืื™ื ื˜ืจื ื˜: ื”ืชืคื•ืจืจื•ืช, ื—ืœืง 1
ืฉื‘ืขื” ื—ื‘ืจื™ื ื‘ื•ื•ืขื“ืช ื”-FCC ื‘-1937. ื™ืคื”ืคื™ื•ืช ืืจื•ืจื•ืช.

ืขื ื–ืืช, ืขื“ ืฉื”ื“ื•"ื— ื”ื•ืฉืœื, ื”ืžืœื—ืžื” ืขืžื“ื” ื‘ืื•ืคืง ื‘-1939. ื‘ื–ืžืŸ ื›ื–ื” ืื™ืฉ ืœื ืจืฆื” ืœื”ืคืจื™ืข ืœืจืฉืช ื”ืชืงืฉื•ืจืช ื‘ืขืžื•ื“ ื”ืฉื“ืจื” ืฉืœ ื”ืžื“ื™ื ื”. ืขืฉืจ ืฉื ื™ื ืžืื•ื—ืจ ื™ื•ืชืจ, ืœืขื•ืžืช ื–ืืช, ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ืฉืœ ื˜ืจื•ืžืŸ ื—ื™ื“ืฉ ืืช ื”ื—ืฉื“ื•ืช ื‘ื ื•ื’ืข ืœื™ื—ืกื™ื ื‘ื™ืŸ ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง ืœืฉืืจ ืžืขืจื›ืช ื”ืคืขืžื•ืŸ. ื‘ืžืงื•ื ื“ื™ื•ื•ื—ื™ื ืืจื•ื›ื™ื ื•ืžืขื•ืจืคืœื™ื, ื”ื—ืฉื“ื•ืช ื”ืœืœื• ื”ื‘ื™ืื• ืœืฆื•ืจื” ืคืขื™ืœื” ื”ืจื‘ื” ื™ื•ืชืจ ืฉืœ ืคืขื•ืœื•ืช ื”ื’ื‘ืœื™ื ืขืกืงื™ื™ื. ื”ื™ื ื“ืจืฉื” ืž-AT&T ืœื ืจืง ืœืžื›ื•ืจ ืืช Western Electric, ืืœื ื’ื ืœืคืฆืœ ืื•ืชื” ืœืฉืœื•ืฉ ื—ื‘ืจื•ืช ืฉื•ื ื•ืช, ื•ื‘ื›ืš ืœื™ืฆื•ืจ ืฉื•ืง ืชื—ืจื•ืชื™ ืœืฆื™ื•ื“ ื˜ืœืคื•ืŸ ื‘ืฆื• ืฉื™ืคื•ื˜ื™.

ืœ-AT&T ื”ื™ื• ืœืคื—ื•ืช ืฉืชื™ ืกื™ื‘ื•ืช ืœื“ืื•ื’. ืจืืฉื™ืช, ืžืžืฉืœ ื˜ืจื•ืžืŸ ื”ืจืื” ืืช ืื•ืคื™ื• ื”ืชื•ืงืคื ื™ ื‘ื”ื˜ืœืช ื—ื•ืงื™ ื”ื’ื‘ืœื™ื ืขืกืงื™ื™ื. ื‘ืฉื ืช 1949 ืœื‘ื“ื”, ื‘ื ื•ืกืฃ ืœืžืฉืคื˜ AT&T, ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ื•ื•ืขื“ืช ื”ืกื—ืจ ื”ืคื“ืจืœื™ืช ื”ื’ื™ืฉื• ืชื‘ื™ืขื•ืช ื ื’ื“ ืื™ืกื˜ืžืŸ ืงื•ื“ืืง, ืจืฉืช ื—ื ื•ื™ื•ืช ื”ืžื›ื•ืœืช ื”ื’ื“ื•ืœื” A&P, Bausch and Lomb, American Can Company, Yellow Cab Company ื•ืขื•ื“ ืจื‘ื™ื ืื—ืจื™ื. . ืฉื ื™ืช, ื”ื™ื” ืชืงื“ื™ื ืžืืช US v. Pullman Company. ืœื—ื‘ืจืช ืคื•ืœืžืŸ, ื‘ื“ื•ืžื” ืœ-AT&T, ื”ื™ื™ืชื” ื—ื˜ื™ื‘ืช ืฉื™ืจื•ืช ืฉื ืชื ื” ืฉื™ืจื•ืช ื‘ืงืจื•ื ื•ืช ืื“ื ื™ ืจื›ื‘ืช ื•ื—ื˜ื™ื‘ืช ื™ื™ืฆื•ืจ ืฉื”ืจื›ื™ื‘ื” ืื•ืชื. ื•ื›ืžื• ื‘ืžืงืจื” ืฉืœ AT&T, ื”ืฉื›ื™ื—ื•ืช ืฉืœ ืฉื™ืจื•ืช ืคื•ืœืžืŸ ื•ื”ืขื•ื‘ื“ื” ืฉื”ื•ื ืฉื™ืจืช ืจืง ืžื›ื•ื ื™ื•ืช ืžืชื•ืฆืจืช ืคื•ืœืžืŸ, ืžืชื—ืจื™ื ืœื ื™ื›ืœื• ืœื”ื•ืคื™ืข ื‘ืฆื“ ื”ื™ื™ืฆื•ืจ. ื•ื‘ื“ื™ื•ืง ื›ืžื• AT&T, ืœืžืจื•ืช ื”ืงืฉืจื™ื ื”ื—ืฉื•ื“ื™ื ืฉืœ ื”ื—ื‘ืจื•ืช, ืœื ื”ื™ื• ืขื“ื•ื™ื•ืช ืœื ื™ืฆื•ืœ ืœืจืขื” ืฉืœ ืžื—ื™ืจื™ื ื‘ืคื•ืœืžืŸ, ื•ื’ื ืœื ื”ื™ื• ืœืงื•ื—ื•ืช ืœื ืžืจื•ืฆื™ื. ื•ื‘ื›ืœ ื–ืืช, ื‘-1943, ื‘ื™ืช ืžืฉืคื˜ ืคื“ืจืœื™ ืงื‘ืข ืฉืคื•ืœืžืŸ ืžืคืจ ืืช ื—ื•ืงื™ ื”ื”ื’ื‘ืœื™ื ื”ืขืกืงื™ื™ื ื•ืขืœื™ื• ืœื”ืคืจื™ื“ ื‘ื™ืŸ ื™ื™ืฆื•ืจ ืœืฉื™ืจื•ืช.

ืื‘ืœ ื‘ืกื•ืคื• ืฉืœ ื“ื‘ืจ, AT&T ื ืžื ืขื” ืžื‘ื™ืชื•ืจ ื•ืžืขื•ืœื ืœื ื”ื•ืคื™ืขื” ื‘ื‘ื™ืช ื”ืžืฉืคื˜. ืœืื—ืจ ืฉื ื™ื ื‘ืœื™ืžื‘ื•, ื‘ืฉื ืช 1956 ื”ื™ื ื”ืกื›ื™ืžื” ืœื”ืชืงืฉืจ ื‘ื”ืกื›ื ืขื ืžืžืฉืœ ืื™ื™ื–ื ื”ืื•ืืจ ื”ื—ื“ืฉ ืœืกื™ื•ื ื”ื”ืœื™ื›ื™ื. ื”ืฉื™ื ื•ื™ ื‘ื”ืชื™ื™ื—ืกื•ืช ื”ืžืžืฉืœื” ืœื ื•ืฉื ื–ื” ื”ื•ืงืœ ื‘ืžื™ื•ื—ื“ ื‘ืขืงื‘ื•ืช ื—ื™ืœื•ืคื™ ื”ืžื™ื ื”ืœ. ื”ืจืคื•ื‘ืœื™ืงื ื™ื ื”ื™ื• ื”ืจื‘ื” ื™ื•ืชืจ ื ืืžื ื™ื ืœืขืกืงื™ื ื’ื“ื•ืœื™ื ืžืืฉืจ ื”ื“ืžื•ืงืจื˜ื™ื, ืฉืงื™ื“ืžื• "ืงื•ืจืก ื—ื“ืฉ". ืขื ื–ืืช, ืื™ืŸ ืœื”ืชืขืœื ืžืฉื™ื ื•ื™ื™ื ื‘ืชื ืื™ื ื”ื›ืœื›ืœื™ื™ื - ื”ืฆืžื™ื—ื” ื”ื›ืœื›ืœื™ืช ื”ืžืชืžื“ืช ืฉื’ืจืžื” ื”ืžืœื—ืžื” ื”ืคืจื™ื›ื” ืืช ื”ื˜ื™ืขื•ื ื™ื ื”ืคื•ืคื•ืœืจื™ื™ื ืฉืœ ืชื•ืžื›ื™ ื”ื ื™ื• ื“ื™ืœ ืœืคื™ื”ื ื”ื“ื•ืžื™ื ื ื˜ื™ื•ืช ืฉืœ ื”ืขืกืงื™ื ื”ื’ื“ื•ืœื™ื ื‘ืžืฉืง ื”ื•ื‘ื™ืœื” ื‘ื”ื›ืจื— ืœืžื™ืชื•ื ื™ื, ื“ื™ื›ื•ื™ ื”ืชื—ืจื•ืช ื•ืžื ื™ืขืช ื™ืจื™ื“ืช ืžื—ื™ืจื™ื. ืœื‘ืกื•ืฃ, ื”ื™ืงืคื” ื”ื”ื•ืœืš ื•ื’ื“ืœ ืฉืœ ื”ืžืœื—ืžื” ื”ืงืจื” ืขื ื‘ืจื™ืช ื”ืžื•ืขืฆื•ืช ืฉื™ื—ืง ื’ื ื”ื•ื ืชืคืงื™ื“. AT&T ืฉื™ืจืชื” ื‘ืขืจืš ืืช ื”ืฆื‘ื ื•ื”ืฆื™ ื‘ืžื”ืœืš ืžืœื—ืžืช ื”ืขื•ืœื ื”ืฉื ื™ื™ื”, ื•ื”ืžืฉื™ื›ื” ืœืฉืชืฃ ืคืขื•ืœื” ืขื ื™ื•ืจืฉื•, ืžืฉืจื“ ื”ื”ื’ื ื” ื”ืืžืจื™ืงืื™. ื‘ืžื™ื•ื—ื“, ื‘ืื•ืชื” ืฉื ื” ืฉื‘ื” ื”ื•ื’ืฉื” ืชื‘ื™ืขืช ื”ื”ื’ื‘ืœื™ื ื”ืขืกืงื™ื™ื, ื•ื•ืกื˜ืจืŸ ืืœืงื˜ืจื™ืง ื”ื—ืœื” ืœืขื‘ื•ื“ ื‘ื” ืžืขื‘ื“ื” ืœื ืฉืง ื’ืจืขื™ื ื™ ืฉืœ ืกื ื“ื™ื” ื‘ืืœื‘ืงืจืงื™ (ื ื™ื• ืžืงืกื™ืงื•). ืœืœื ืžืขื‘ื“ื” ื–ื•, ืืจืฆื•ืช ื”ื‘ืจื™ืช ืœื ืชื•ื›ืœ ืœืคืชื— ื•ืœื™ืฆื•ืจ ื ืฉืง ื’ืจืขื™ื ื™ ื—ื“ืฉ, ื•ืœืœื ื ืฉืง ื’ืจืขื™ื ื™ ื”ื™ื ืœื ืชื•ื›ืœ ืœื”ื•ื•ืช ืื™ื•ื ืžืฉืžืขื•ืชื™ ืขืœ ื‘ืจื™ืช ื”ืžื•ืขืฆื•ืช ื‘ืžื–ืจื— ืื™ืจื•ืคื”. ืœื›ืŸ, ืœืžืฉืจื“ ื”ื”ื’ื ื” ืœื ื”ื™ื” ืจืฆื•ืŸ ืœื”ื—ืœื™ืฉ ืืช AT&T, ื•ื”ืœื•ื‘ื™ืกื˜ื™ื ืฉืœื• ืขืžื“ื• ืžื•ืœ ื”ืžืžืฉืœ ื‘ืฉื ื”ืงื‘ืœืŸ ืฉืœื”ื.

ืชื ืื™ ื”ื”ืกื›ื ื—ื™ื™ื‘ื• ืืช AT&T ืœื”ื’ื‘ื™ืœ ืืช ืคืขื™ืœื•ืชื” ื‘ืขืกืงื™ ื”ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ื”ืžื•ืกื“ืจื™ื. ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ื”ืชื™ืจ ื›ืžื” ื—ืจื™ื’ื™ื, ื‘ืขื™ืงืจ ืœืขื‘ื•ื“ื” ืžืžืฉืœืชื™ืช - ื”ื•ื ืœื ื”ืชื›ื•ื•ืŸ ืœืืกื•ืจ ืขืœ ื”ื—ื‘ืจื” ืœืขื‘ื•ื“ ื‘ืžืขื‘ื“ื•ืช Sandia. ื”ืžืžืฉืœื” ื’ื ื“ืจืฉื” ืž-AT&T ืœืชืช ืจื™ืฉื™ื•ืŸ ื•ืœืกืคืง ื™ื™ืขื•ืฅ ื˜ื›ื ื™ ืขืœ ื›ืœ ื”ืคื˜ื ื˜ื™ื ื”ืงื™ื™ืžื™ื ื•ื”ืขืชื™ื“ื™ื™ื ื‘ืขืœื•ืช ืกื‘ื™ืจื” ืœื›ืœ ื—ื‘ืจื•ืช ืžืงื•ืžื™ื•ืช. ื‘ื”ืชื—ืฉื‘ ื‘ืจื•ื—ื‘ ื”ื—ื“ืฉื ื•ืช ืฉ-Bell Labs ื™ืฆืจื”, ื”ืจืคื™ื™ืช ื”ืจื™ืฉื•ื™ ื”ื–ื• ืชืกื™ื™ืข ืœื“ืœืง ืืช ื”ืฆืžื™ื—ื” ืฉืœ ื—ื‘ืจื•ืช ื”ื™ื™-ื˜ืง ืืžืจื™ืงืื™ื•ืช ืœืขืฉื•ืจื™ื ื”ื‘ืื™ื. ืœืฉืชื™ ื”ื“ืจื™ืฉื•ืช ื”ืœืœื• ื”ื™ื™ืชื” ื”ืฉืคืขื” ื’ื“ื•ืœื” ืขืœ ื”ื™ื•ื•ืฆืจื•ืช ืจืฉืชื•ืช ืžื—ืฉื‘ื™ื ื‘ืืจืฆื•ืช ื”ื‘ืจื™ืช, ืืš ื”ืŸ ืœื ืขืฉื• ื“ื‘ืจ ื›ื“ื™ ืœืฉื ื•ืช ืืช ืชืคืงื™ื“ื” ืฉืœ AT&T ื›ืกืคืงื™ืช ื”ืžื•ื ื•ืคื•ืœ ื‘ืคื•ืขืœ ืฉืœ ืฉื™ืจื•ืชื™ ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ืžืงื•ืžื™ื™ื. ื’ืจื–ืŸ ื”ืืฉ ื”ื•ื—ื–ืจ ื–ืžื ื™ืช ืœืืจื•ืŸ ืฉืœื•. ืื‘ืœ ื‘ืงืจื•ื‘ ืžืื•ื“, ืื™ื•ื ื—ื“ืฉ ื™ื’ื™ืข ืžื—ืœืง ื‘ืœืชื™ ืฆืคื•ื™ ืฉืœ ื”-FCC. ื”ืžื—ืจื˜ื”, ืฉืชืžื™ื“ ืขื‘ื“ื” ื‘ืฆื•ืจื” ื›ืœ ื›ืš ื—ืœืงื” ื•ื‘ื”ื“ืจื’ื”, ืชืชื—ื™ืœ ืคืชืื•ื ืœื—ืคื•ืจ ืขืžื•ืง ื™ื•ืชืจ.

ื—ื•ื˜ ืจืืฉื•ืŸ

AT&T ื”ืฆื™ืขื” ื–ื” ืžื›ื‘ืจ ืฉื™ืจื•ืชื™ ืชืงืฉื•ืจืช ืคืจื˜ื™ื™ื ืฉืืคืฉืจื• ืœืœืงื•ื— (ื‘ื“ืจืš ื›ืœืœ ื—ื‘ืจื” ื’ื“ื•ืœื” ืื• ืžืฉืจื“ ืžืžืฉืœืชื™) ืœืฉื›ื•ืจ ืงื• ื˜ืœืคื•ืŸ ืื—ื“ ืื• ื™ื•ืชืจ ืœืฉื™ืžื•ืฉ ื‘ืœืขื“ื™. ืขื‘ื•ืจ ืืจื’ื•ื ื™ื ืจื‘ื™ื ืฉื”ื™ื• ืฆืจื™ื›ื™ื ืœื ื”ืœ ืžืฉื ื•ืžืชืŸ ืคืขื™ืœ ืคื ื™ืžื™ - ืจืฉืชื•ืช ื˜ืœื•ื•ื™ื–ื™ื”, ื—ื‘ืจื•ืช ื ืคื˜ ื’ื“ื•ืœื•ืช, ืžืคืขื™ืœื™ ืจื›ื‘ื•ืช, ืžืฉืจื“ ื”ื”ื’ื ื” ื”ืืžืจื™ืงื ื™ - ื”ืืคืฉืจื•ืช ื”ื–ื• ื ืจืืชื” ื ื•ื—ื”, ื—ืกื›ื•ื ื™ืช ื•ื‘ื˜ื•ื—ื” ื™ื•ืชืจ ืžืืฉืจ ืฉื™ืžื•ืฉ ื‘ืจืฉืช ืฆื™ื‘ื•ืจื™ืช.

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืื™ื ื˜ืจื ื˜: ื”ืชืคื•ืจืจื•ืช, ื—ืœืง 1
ืžื”ื ื“ืกื™ ื‘ืœ ื”ืงื™ืžื• ืงื• ืจื“ื™ื• ื˜ืœืคื•ืŸ ืคืจื˜ื™ ืขื‘ื•ืจ ื—ื‘ืจืช ื—ืฉืžืœ ื‘-1953.

ื”ืชืคืฉื˜ื•ืชื ืฉืœ ืžื’ื“ืœื™ ืžืžืกืจ ืžื™ืงืจื•ื’ืœ ื‘ืฉื ื•ืช ื”-1950 ื”ืคื—ื™ืชื” ืืช ืขืœื•ืช ื”ื›ื ื™ืกื” ืฉืœ ืžืคืขื™ืœื™ ื˜ืœืคื•ืŸ ืœืžืจื—ืงื™ื ืืจื•ื›ื™ื ืขื“ ื›ื“ื™ ื›ืš ืฉืืจื’ื•ื ื™ื ืจื‘ื™ื ืคืฉื•ื˜ ืžืฆืื• ืฉื–ื” ืžืฉืชืœื ื™ื•ืชืจ ืœื‘ื ื•ืช ืจืฉืชื•ืช ืžืฉืœื”ื ื‘ืžืงื•ื ืœืฉื›ื•ืจ ืจืฉืช ืž-AT&T. ืคื™ืœื•ืกื•ืคื™ื™ืช ื”ืžื“ื™ื ื™ื•ืช ืฉืœ ื”-FCC, ื›ืคื™ ืฉื ืงื‘ืขื” ื‘ืจื‘ื™ื ืžื”ื›ืœืœื™ื ืฉืœื”, ื”ื™ื™ืชื” ืœืืกื•ืจ ืชื—ืจื•ืช ื‘ืชื—ื•ื ื”ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ืืœื ืื ื”ืกืคืง ื”ืžื›ื”ืŸ ืœื ื”ื™ื” ืžืกื•ื’ืœ ืื• ืœื ื”ื™ื” ืžื•ื›ืŸ ืœืกืคืง ืฉื™ืจื•ืช ืฉื•ื•ื” ืขืจืš ืœืœืงื•ื—ื•ืช. ืื—ืจืช, ื”-FCC ื™ืขื•ื“ื“ ื‘ื–ื‘ื•ื– ืžืฉืื‘ื™ื ื•ืขืจืขืจ ืืช ื”ืžืขืจื›ืช ื”ืžืื•ื–ื ืช ื‘ืงืคื™ื“ื” ืฉืœ ืจื’ื•ืœืฆื™ื” ื•ืžืžื•ืฆืข ืชืขืจื™ืคื™ื ืฉืฉืžืจื” ืขืœ AT&T ื‘ืงื ื” ืื—ื“ ืชื•ืš ืžื™ืงืกื•ื ื”ืฉื™ืจื•ืช ืœืฆื™ื‘ื•ืจ. ื”ืชืงื“ื™ื ืฉื ืงื‘ืข ืœื ืื™ืคืฉืจ ืœืคืชื•ื— ืชืงืฉื•ืจืช ืคืจื˜ื™ืช ื‘ืžื™ืงืจื•ื’ืœ ืœื›ื•ืœื. ื‘ืขื•ื“ ืฉ-AT&T ื”ื™ื™ืชื” ืžื•ื›ื ื” ื•ื™ื›ื•ืœื” ืœื”ืฆื™ืข ืงื•ื•ื™ ื˜ืœืคื•ืŸ ืคืจื˜ื™ื™ื, ืœืกืคืงื™ื ืื—ืจื™ื ืœื ื”ื™ื™ืชื” ื–ื›ื•ืช ืœื”ื™ื›ื ืก ืœืขืกืง.

ื•ืื– ื‘ืจื™ืช ืฉืœ ื‘ืขืœื™ ืขื ื™ื™ืŸ ื”ื—ืœื™ื˜ื” ืœืขืจืขืจ ืขืœ ื”ืชืงื“ื™ื ื”ื–ื”. ื›ืžืขื˜ ื›ื•ืœื ื”ื™ื• ืชืื’ื™ื“ื™ื ื’ื“ื•ืœื™ื ืฉื”ื™ื• ืœื”ื ื›ืกืคื™ื ืžืฉืœื”ื ืœื‘ื ื•ืช ื•ืœืชื—ื–ืง ืจืฉืชื•ืช ืžืฉืœื”ื. ื‘ื™ืŸ ื”ื‘ื•ืœื˜ื•ืช ื”ื™ื™ืชื” ืชืขืฉื™ื™ืช ื”ื ืคื˜ (ืžื™ื•ืฆื’ืช ืขืœ ื™ื“ื™ ืžื›ื•ืŸ ื”ื ืคื˜ ื”ืืžืจื™ืงืื™, API). ื›ืฉืฆื™ื ื•ืจื•ืช ืชืขืฉื™ื™ื” ืžืชืคืชืœื™ื ืขืœ ืคื ื™ ื™ื‘ืฉื•ืช ืฉืœืžื•ืช, ื‘ืืจื•ืช ื”ืคื–ื•ืจื•ืช ืขืœ ืคื ื™ ืฉื“ื•ืช ืขืฆื•ืžื™ื ื•ืžืจื•ื—ืงื™ื, ืกืคื™ื ื•ืช ื—ื™ืคื•ืฉ ื•ืืชืจื™ ืงื™ื“ื•ื— ื”ืคื–ื•ืจื™ื ืขืœ ืคื ื™ ื”ื’ืœื•ื‘ื•ืก, ื”ืชืขืฉื™ื™ื” ืจืฆืชื” ืœื™ืฆื•ืจ ืžืขืจื›ื•ืช ืชืงืฉื•ืจืช ืžืฉืœื” ื›ื“ื™ ืฉื™ืชืื™ืžื• ืœืฆืจื›ื™ื ื”ืกืคืฆื™ืคื™ื™ื ืฉืœื”ืŸ. ื—ื‘ืจื•ืช ื›ืžื• Sinclair ื•-Humble Oil ืจืฆื• ืœื”ืฉืชืžืฉ ื‘ืจืฉืชื•ืช ืžื™ืงืจื•ื’ืœ ื›ื“ื™ ืœื ื˜ืจ ืืช ืžืฆื‘ ื”ืฆื ืจืช, ืœื ื˜ืจ ืžืจื—ื•ืง ืืช ืžื ื•ืขื™ ื”ืืกื“ื”, ืœืชืงืฉืจ ืขื ืืกื“ื•ืช ื™ืžื™ื•ืช, ื•ืœื ืจืฆื• ืœื—ื›ื•ืช ืœืื™ืฉื•ืจ ืž-AT&T. ืื‘ืœ ืชืขืฉื™ื™ืช ื”ื ืคื˜ ืœื ื”ื™ื™ืชื” ืœื‘ื“. ื›ืžืขื˜ ื›ืœ ืฆื•ืจื” ืฉืœ ืขืกืงื™ื ื’ื“ื•ืœื™ื, ืžืžืกื™ืœื•ืช ืจื›ื‘ืช ื•ืžื•ื‘ื™ืœื™ ืžืฉื ื•ืขื“ ืงืžืขื•ื ืื™ื ื•ื™ืฆืจื ื™ื•ืช ืจื›ื‘, ืคื ืชื” ืœ-FCC ื‘ื‘ืงืฉื” ืœืืคืฉืจ ืžืขืจื›ื•ืช ืžื™ืงืจื•ื’ืœ ืคืจื˜ื™ื•ืช.

ืœื ื•ื›ื— ืœื—ืฅ ื›ื–ื”, ื”-FCC ืคืชื— ื‘ืฉื™ืžื•ืขื™ื ื‘ื ื•ื‘ืžื‘ืจ 1956 ื›ื“ื™ ืœื”ื—ืœื™ื˜ ืื ื™ืฉ ืœืคืชื•ื— ืคืก ืชื“ืจื™ื ื—ื“ืฉ (ื‘ืกื‘ื™ื‘ื•ืช 890 ืžื’ื”-ื”ืจืฅ) ืœืจืฉืชื•ืช ื›ืืœื”. ื‘ื”ืชื—ืฉื‘ ื‘ื›ืš ืฉืจืฉืชื•ืช ืžื™ืงืจื•ื’ืœ ืคืจื˜ื™ื•ืช ื”ืชื ื’ื“ื• ื›ืžืขื˜ ืืš ื•ืจืง ืขืœ ื™ื“ื™ ืžืคืขื™ืœื™ ื”ื˜ืœืงื•ื ืขืฆืžื, ื”ื”ื—ืœื˜ื” ื‘ื ื•ืฉื ื–ื” ื”ื™ื™ืชื” ืงืœื” ืœืงื‘ืœื”. ืืคื™ืœื• ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื, ืฉื”ืืžื™ืŸ ืฉ-AT&T ืจื™ืžืช ืื•ืชื ืื™ื›ืฉื”ื• ื›ืฉื—ืชืžื• ืขืœ ื”ื”ืกื›ื ื”ืื—ืจื•ืŸ, ื™ืฆื ื‘ืขื“ ืจืฉืชื•ืช ืžื™ืงืจื•ื’ืœ ืคืจื˜ื™ื•ืช. ื•ื–ื” ื”ืคืš ืœื”ืจื’ืœ - ื‘ืžื”ืœืš ืขืฉืจื™ื ื”ืฉื ื™ื ื”ื‘ืื•ืช, ืžืฉืจื“ ื”ืžืฉืคื˜ื™ื ืชืงืข ืœืœื ื”ืจืฃ ืืช ืืคื• ืœืขื ื™ื™ื ื™ ื”-FCC, ืคืขื ืื—ืจ ืคืขื ื—ืกื ืืช ืคืขื•ืœื•ืชื™ื” ืฉืœ AT&T ื•ืชืžืš ื‘ืžืฆื˜ืจืคื™ื ื—ื“ืฉื™ื ืœืฉื•ืง.

ื˜ืขื ืช ื”ื ื’ื“ ื”ื—ื–ืงื” ื‘ื™ื•ืชืจ ืฉืœ AT&T, ื•ื–ื• ืฉื”ื™ื ื›ืœ ื”ื–ืžืŸ ื—ื–ืจื” ืืœื™ื”, ื”ื™ื™ืชื” ืฉื”ืžื’ื™ืขื™ื ื”ื—ื“ืฉื™ื ื”ื™ื• ื—ื™ื™ื‘ื™ื ืœื”ืคืจ ืืช ื”ืื™ื–ื•ืŸ ื”ืขื“ื™ืŸ ืฉืœ ื”ืžืขืจื›ืช ื”ืจื’ื•ืœื˜ื•ืจื™ืช ืขืœ ื™ื“ื™ ื ื™ืกื™ื•ืŸ ืœื”ื—ืœื™ืง ืืช ื”ืฉืžื ืช. ื›ืœื•ืžืจ, ืขืกืงื™ื ื’ื“ื•ืœื™ื ื‘ืื™ื ืœื™ืฆื•ืจ ืจืฉืชื•ืช ืžืฉืœื”ื ืœืื•ืจืš ืžืกืœื•ืœื™ื ืฉื‘ื”ื ืขืœื•ืช ื”ื”ื ื—ื” ื ืžื•ื›ื” ื•ื”ืชื ื•ืขื” ื’ื‘ื•ื”ื” (ื”ืžืกืœื•ืœื™ื ื”ืจื•ื•ื—ื™ื™ื ื‘ื™ื•ืชืจ ืขื‘ื•ืจ AT&T), ื•ืื– ืœืฉื›ื•ืจ ืงื•ื•ื™ื ืคืจื˜ื™ื™ื ืž-AT&T ื”ื™ื›ืŸ ืฉื”ื›ื™ ื™ืงืจ ืœื‘ื ื•ืช ืื•ืชื. ื›ืชื•ืฆืื” ืžื›ืš, ื”ื›ืœ ื™ืฉื•ืœื ืขืœ ื™ื“ื™ ืžื ื•ื™ื™ื ืจื’ื™ืœื™ื, ืฉืจืžืช ื”ืชืขืจื™ืคื™ื ื”ื ืžื•ื›ื” ืขื‘ื•ืจื ื™ื›ื•ืœื” ืœื”ื™ืฉืžืจ ืจืง ื‘ืืžืฆืขื•ืช ืฉื™ืจื•ืชื™ ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ืœืžืจื—ืงื™ื ืืจื•ื›ื™ื ืจื•ื•ื—ื™ื™ื ืžืื•ื“, ืฉืขืœื™ื”ื ื—ื‘ืจื•ืช ื’ื“ื•ืœื•ืช ืœื ื™ืฉืœืžื•.

ืขื ื–ืืช, ื”-FCC ื‘ืฉื ืช 1959 ื‘ืžื” ืฉื ืงืจื. "ืคืชืจื•ื ื•ืช ืžืขืœ 890" [ื›ืœื•ืžืจ, ื‘ื˜ื•ื•ื— ื”ืชื“ืจื™ื ืžืขืœ 890 ืžื’ื”-ื”ืจืฅ / ื›. ืชืจื’ื•ื] ื”ื—ืœื™ื˜ ืฉื›ืœ ืขื•ืœื” ื—ื“ืฉ ืœืขืกืง ื™ื›ื•ืœ ืœื™ืฆื•ืจ ืจืฉืช ืคืจื˜ื™ืช ืžืฉืœื• ืœืžืจื—ืงื™ื ืืจื•ื›ื™ื. ื–ื” ื”ื™ื” ืจื’ืข ืคืจืฉืช ืžื™ื ื‘ืžื“ื™ื ื™ื•ืช ื”ืคื“ืจืœื™ืช. ื”ื•ื ื”ื˜ื™ืœ ืกืคืง ื‘ื”ื ื—ื” ื”ื‘ืกื™ืกื™ืช ืฉ-AT&T ืฆืจื™ื›ื” ืœืคืขื•ืœ ื›ืžื ื’ื ื•ืŸ ื—ืœื•ืงื” ืžื—ื“ืฉ, ืœื’ื‘ื•ืช ืชืขืจื™ืคื™ื ืžืœืงื•ื—ื•ืช ืขืฉื™ืจื™ื ื›ื“ื™ ืœื”ืฆื™ืข ืฉื™ืจื•ืช ื˜ืœืคื•ืŸ ื‘ืขืœื•ืช ื ืžื•ื›ื” ืœืžืฉืชืžืฉื™ื ื‘ืขืจื™ื ืงื˜ื ื•ืช, ื‘ืื–ื•ืจื™ื ื›ืคืจื™ื™ื ื•ืื–ื•ืจื™ื ืขื ื™ื™ื. ืขื ื–ืืช, ื”-FCC ืขื“ื™ื™ืŸ ื”ืžืฉื™ืš ืœื”ืืžื™ืŸ ืฉื”ื•ื ื™ื›ื•ืœ ืœืื›ื•ืœ ืืช ื”ื“ื’ื™ื ื•ืœื”ื™ืฉืืจ ืžื—ื•ืฅ ืœื‘ืจื™ื›ื”. ื”ื™ื ืฉื›ื ืขื” ืืช ืขืฆืžื” ืฉื”ืฉื™ื ื•ื™ ืœื ืžืฉืžืขื•ืชื™. ื–ื” ื”ืฉืคื™ืข ืจืง ืขืœ ืื—ื•ื– ืงื˜ืŸ ืžื”ืชื ื•ืขื” ืฉืœ AT&T, ื•ืœื ื”ืฉืคื™ืข ืขืœ ืคื™ืœื•ืกื•ืคื™ื™ืช ื”ืœื™ื‘ื” ืฉืœ ื”ืฉื™ืจื•ืช ื”ืฆื™ื‘ื•ืจื™ ืฉืฉืœื˜ื” ื‘ืจื’ื•ืœืฆื™ื” ืฉืœ ื˜ืœืคื•ื ื™ื” ื‘ืžืฉืš ืขืฉืจื•ืช ืฉื ื™ื. ืื—ืจื™ ื”ื›ืœ, ื”-FCC ื’ื–ืจ ืจืง ื—ื•ื˜ ื‘ื•ืœื˜ ืื—ื“. ื•ืื›ืŸ, ืœื”ื—ืœื˜ืช "ืžืขืœ 890" ืขืฆืžื” ื”ื™ื™ืชื” ื”ืฉืคืขื” ืžื•ืขื˜ื”. ืขื ื–ืืช, ื”ื™ื ืคืชื—ื” ืฉืจืฉืจืช ืื™ืจื•ืขื™ื ืฉื”ื•ื‘ื™ืœื” ืœืžื”ืคื›ื” ืฉืœ ืžืžืฉ ื‘ืžื‘ื ื” ื”ืชืงืฉื•ืจืช ื”ืืžืจื™ืงืื™ืช.

ืžื” ืขื•ื“ ืœืงืจื•ื

  • ืคืจื“ ื•ื•. ื”ื ืง ื•ื‘ืจื ืจื“ ืฉื˜ืจืกื‘ื•ืจื’, ืžื“ืจื•ืŸ ื—ืœืงืœืง (1988)
  • ืืœืŸ ืกื˜ื•ืŸ, ืžืกืคืจ ืฉื’ื•ื™ (1989)
  • ืคื™ื˜ืจ ื˜ืžื™ืŸ ืขื ืœื•ืื™ ื’ืœืžื‘ื•ืก, ื ืคื™ืœืช ืžืขืจื›ืช ื”ืคืขืžื•ื ื™ื (1987)
  • ื˜ื™ื ื•ื•, ื”ื‘ื•ืจืจ ื”ืจืืฉื™ (2010)

ืžืงื•ืจ: www.habr.com

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