US2185687A - Carrier system with phase discrimination - Google Patents

Carrier system with phase discrimination Download PDF

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Publication number
US2185687A
US2185687A US189941A US18994138A US2185687A US 2185687 A US2185687 A US 2185687A US 189941 A US189941 A US 189941A US 18994138 A US18994138 A US 18994138A US 2185687 A US2185687 A US 2185687A
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US
United States
Prior art keywords
message
carrier
waves
components
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US189941A
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English (en)
Inventor
Robert S Caruthers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Bell Telephone Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to US189941A priority Critical patent/US2185687A/en
Priority to FR850177D priority patent/FR850177A/fr
Application granted granted Critical
Publication of US2185687A publication Critical patent/US2185687A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • H04J7/02—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels in which the polarity of the amplitude is characteristic

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
US189941A 1938-02-11 1938-02-11 Carrier system with phase discrimination Expired - Lifetime US2185687A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US189941A US2185687A (en) 1938-02-11 1938-02-11 Carrier system with phase discrimination
FR850177D FR850177A (fr) 1938-02-11 1939-02-10 Perfectionnements aux systèmes de télécommunications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189941A US2185687A (en) 1938-02-11 1938-02-11 Carrier system with phase discrimination

Publications (1)

Publication Number Publication Date
US2185687A true US2185687A (en) 1940-01-02

Family

ID=22699397

Family Applications (1)

Application Number Title Priority Date Filing Date
US189941A Expired - Lifetime US2185687A (en) 1938-02-11 1938-02-11 Carrier system with phase discrimination

Country Status (2)

Country Link
US (1) US2185687A (fr)
FR (1) FR850177A (fr)

Also Published As

Publication number Publication date
FR850177A (fr) 1939-12-09

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