GB635590A - Radio receiving systems - Google Patents

Radio receiving systems

Info

Publication number
GB635590A
GB635590A GB20989/47A GB2098947A GB635590A GB 635590 A GB635590 A GB 635590A GB 20989/47 A GB20989/47 A GB 20989/47A GB 2098947 A GB2098947 A GB 2098947A GB 635590 A GB635590 A GB 635590A
Authority
GB
United Kingdom
Prior art keywords
channel
gain
channels
noise
valves
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
Application number
GB20989/47A
Other languages
English (en)
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
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB635590A publication Critical patent/GB635590A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Radio Transmission System (AREA)
GB20989/47A 1944-05-23 1947-08-01 Radio receiving systems Expired GB635590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US536925A US2384456A (en) 1944-05-23 1944-05-23 Radio receiving system

Publications (1)

Publication Number Publication Date
GB635590A true GB635590A (en) 1950-04-12

Family

ID=24140482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20989/47A Expired GB635590A (en) 1944-05-23 1947-08-01 Radio receiving systems

Country Status (6)

Country Link
US (1) US2384456A (enrdf_load_stackoverflow)
BE (1) BE481301A (enrdf_load_stackoverflow)
CH (1) CH265990A (enrdf_load_stackoverflow)
FR (1) FR959580A (enrdf_load_stackoverflow)
GB (1) GB635590A (enrdf_load_stackoverflow)
NL (1) NL79786C (enrdf_load_stackoverflow)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL117404B (enrdf_load_stackoverflow) * 1944-06-16
US2421054A (en) * 1945-06-15 1947-05-27 Press Wireless Inc Carrier-shift signal control circuits
BE469690A (enrdf_load_stackoverflow) * 1945-12-05
US2553271A (en) * 1945-12-11 1951-05-15 Rca Corp Diversity receiver
FR958675A (enrdf_load_stackoverflow) * 1946-02-05 1950-03-17
US2512462A (en) * 1946-02-20 1950-06-20 Rca Corp Diversity system
US2785301A (en) * 1946-03-05 1957-03-12 La Verne R Philpott Diversity amplification for superheterodyne receivers
US2589662A (en) * 1946-04-23 1952-03-18 Bell Telephone Labor Inc Radiotelephone receiving system
BE475718A (enrdf_load_stackoverflow) * 1946-05-13
US2515055A (en) * 1946-05-31 1950-07-11 Rca Corp Diversity receiver
US2495826A (en) * 1946-09-18 1950-01-31 Rca Corp Locking and control circuit in a diversity telegraphy receiver
US2520308A (en) * 1947-02-20 1950-08-29 Erco Radio Lab Inc Frequency shift converter
US2555557A (en) * 1947-02-25 1951-06-05 Rca Corp Diversity receiver
US2514162A (en) * 1947-04-25 1950-07-04 Rca Corp Diversity reception
US2568408A (en) * 1947-05-17 1951-09-18 Rca Corp Frequency shift diversity transmission system
US2604587A (en) * 1947-11-12 1952-07-22 Rca Corp Signal selecting means
US2497859A (en) * 1947-11-19 1950-02-21 Western Union Telegraph Co Frequency diversity telegraph system
US2543256A (en) * 1948-05-20 1951-02-27 Rca Corp Diversity receiver for multiplex frequency shift tones
BE520745A (enrdf_load_stackoverflow) * 1948-12-03
US2636982A (en) * 1949-05-20 1953-04-28 fluexuu vtftvo
NL81996C (enrdf_load_stackoverflow) * 1949-07-23
US2694140A (en) * 1951-11-24 1954-11-09 Bell Telephone Labor Inc Selection of low interference radio channels
US2694141A (en) * 1951-12-22 1954-11-09 Bell Telephone Labor Inc Radiant energy signaling system
US2899548A (en) * 1955-04-22 1959-08-11 channel
NL203616A (enrdf_load_stackoverflow) * 1955-06-24
US2835800A (en) * 1955-11-14 1958-05-20 James R Day Diversity receiving system
US3026455A (en) * 1959-07-02 1962-03-20 Philco Corp Differential switching amplifier

Also Published As

Publication number Publication date
BE481301A (enrdf_load_stackoverflow)
US2384456A (en) 1945-09-11
FR959580A (enrdf_load_stackoverflow) 1950-03-31
NL79786C (enrdf_load_stackoverflow)
CH265990A (de) 1949-12-31

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