GB612161A - Improvements in or relating to radio communication systems - Google Patents

Improvements in or relating to radio communication systems

Info

Publication number
GB612161A
GB612161A GB14462/46A GB1446246A GB612161A GB 612161 A GB612161 A GB 612161A GB 14462/46 A GB14462/46 A GB 14462/46A GB 1446246 A GB1446246 A GB 1446246A GB 612161 A GB612161 A GB 612161A
Authority
GB
United Kingdom
Prior art keywords
noise
channels
fed
valve
voltages
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
GB14462/46A
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
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 Pye Ltd filed Critical Pye Ltd
Publication of GB612161A publication Critical patent/GB612161A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
GB14462/46A 1946-05-13 1946-05-13 Improvements in or relating to radio communication systems Expired GB612161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB269669X 1946-05-13

Publications (1)

Publication Number Publication Date
GB612161A true GB612161A (en) 1948-11-09

Family

ID=10252003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14462/46A Expired GB612161A (en) 1946-05-13 1946-05-13 Improvements in or relating to radio communication systems

Country Status (6)

Country Link
US (1) US2488193A (enrdf_load_stackoverflow)
BE (1) BE475718A (enrdf_load_stackoverflow)
CH (1) CH269669A (enrdf_load_stackoverflow)
FR (1) FR952234A (enrdf_load_stackoverflow)
GB (1) GB612161A (enrdf_load_stackoverflow)
NL (1) NL68639C (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636982A (en) * 1949-05-20 1953-04-28 fluexuu vtftvo
NL81996C (enrdf_load_stackoverflow) * 1949-07-23
US2896165A (en) * 1951-07-26 1959-07-21 Donald F Hornig Ratio measurement apparatus
US2725467A (en) * 1951-09-12 1955-11-29 Rca Corp Gate control circuit
US2974286A (en) * 1952-09-27 1961-03-07 Lab For Electronics Inc Channel selector
US3383602A (en) * 1952-12-05 1968-05-14 Elvin E. Herman Signal amplitued selector
NL114059C (enrdf_load_stackoverflow) * 1955-06-24
US2835800A (en) * 1955-11-14 1958-05-20 James R Day Diversity receiving system
NL236166A (enrdf_load_stackoverflow) * 1958-02-17
US3238458A (en) * 1961-12-13 1966-03-01 Defense Electronics Inc Diversity reception combiner employing beam deflection tubes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098286A (en) * 1936-07-31 1937-11-09 Bell Telephone Labor Inc Transmission control in signaling systems
US2379799A (en) * 1939-12-28 1945-07-03 Carleton D Haigis Radio control unit with interference suppression
US2249425A (en) * 1940-03-27 1941-07-15 Rca Corp Phase and frequency modulation diversity receiving system
US2303493A (en) * 1940-05-17 1942-12-01 Rca Corp Diversity signaling system
US2290992A (en) * 1940-07-27 1942-07-28 Rca Corp Diversity receiving system
US2253867A (en) * 1940-08-23 1941-08-26 Rca Corp Diversity receiving system
BE479407A (enrdf_load_stackoverflow) * 1940-09-28
US2397830A (en) * 1943-07-01 1946-04-02 American Telephone & Telegraph Harmonic control system
FR959580A (enrdf_load_stackoverflow) * 1944-05-23 1950-03-31

Also Published As

Publication number Publication date
CH269669A (fr) 1950-07-15
BE475718A (enrdf_load_stackoverflow)
US2488193A (en) 1949-11-15
FR952234A (fr) 1949-11-14
NL68639C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB704221A (en) Improvements in or relating to radio transmission systems for stereophonic signals and transmitters and receivers for use therein
US2924703A (en) Communication control system
GB1020951A (en) Receiving circuits for compatible broadcast stereophony
GB612161A (en) Improvements in or relating to radio communication systems
GB478226A (en) Improvements in signal-selecting systems for use in carrier signalling
GB602846A (en) Improvements in frequency or phase modulation detectors
US2361625A (en) Frequency and phase modulation receiver
US2808508A (en) Receiver for a. m. speech channel having means to eliminate effects of superimposed frequency shift keying
US2273639A (en) Selectivity control circuit
US1959275A (en) Method of and apparatus for controlling alternating currents
US2352254A (en) Frequency modulated wave transmission
GB591301A (en) Improvements in or relating to frequency discriminator circuits for angle-modulated oscillations
US2413593A (en) Radio receiver
GB792124A (en) Diversity receiving system
US2086229A (en) Radio receiving system
GB590209A (en) Improvements in or relating to radio receivers operating with diversity reception
US1941447A (en) Radio telephone signaling
US1737503A (en) Control of the transmission efficiency
US2179277A (en) Modulated carrier wave receiving system
US3048661A (en) Multiplex communication receiver
US2401629A (en) Tone converter
US3249872A (en) Circuit for tuning indication in a receiver for am/fm-reception
US3381224A (en) Phase selective receiver with frequency control
US3460040A (en) Single frequency communication repeater
US2657280A (en) Hydbrid circuits