IT1009397B - Disposizione circuitale per la com binazione di segnali - Google Patents

Disposizione circuitale per la com binazione di segnali

Info

Publication number
IT1009397B
IT1009397B IT67986/74A IT6798674A IT1009397B IT 1009397 B IT1009397 B IT 1009397B IT 67986/74 A IT67986/74 A IT 67986/74A IT 6798674 A IT6798674 A IT 6798674A IT 1009397 B IT1009397 B IT 1009397B
Authority
IT
Italy
Prior art keywords
signals
combination
circuit arrangement
arrangement
circuit
Prior art date
Application number
IT67986/74A
Other languages
English (en)
Original Assignee
Marconi Co 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of IT1009397B publication Critical patent/IT1009397B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT67986/74A 1973-03-27 1974-03-27 Disposizione circuitale per la com binazione di segnali IT1009397B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1457473A GB1456041A (en) 1973-03-27 1973-03-27 Diverse signal combining arrangements

Publications (1)

Publication Number Publication Date
IT1009397B true IT1009397B (it) 1976-12-10

Family

ID=10043672

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67986/74A IT1009397B (it) 1973-03-27 1974-03-27 Disposizione circuitale per la com binazione di segnali

Country Status (7)

Country Link
US (1) US3902119A (it)
JP (1) JPS5048817A (it)
AU (1) AU475757B2 (it)
DE (1) DE2414828C3 (it)
FR (1) FR2223895B1 (it)
GB (1) GB1456041A (it)
IT (1) IT1009397B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542790B2 (it) * 1975-01-09 1980-11-01
US4373207A (en) * 1980-12-17 1983-02-08 Bell Telephone Laboratories, Incorporated Space diversity signal combiner
US4531235A (en) * 1983-06-20 1985-07-23 Motorola, Inc. Diversity signal strength indicator and site selection apparatus for using same
US4539710A (en) * 1983-09-30 1985-09-03 Transkinetics Systems, Inc. Diversity telemetry receiver having plural spaced antennas
JP2713128B2 (ja) * 1993-12-28 1998-02-16 日本電気株式会社 ダイバーシティ受信信号合成回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE498282A (it) * 1949-09-24
US3305781A (en) * 1963-04-02 1967-02-21 Raytheon Co Diversity combiners

Also Published As

Publication number Publication date
DE2414828A1 (de) 1974-10-03
JPS5048817A (it) 1975-05-01
DE2414828B2 (de) 1979-07-26
DE2414828C3 (de) 1980-04-30
AU6671474A (en) 1975-09-18
US3902119A (en) 1975-08-26
AU475757B2 (en) 1976-09-02
GB1456041A (en) 1976-11-17
FR2223895A1 (it) 1974-10-25
FR2223895B1 (it) 1977-03-04

Similar Documents

Publication Publication Date Title
IT1015231B (it) Procedimento per la fabbricazione di polieterimmidi
AT349065B (de) Integrierte schaltung
NL181389C (nl) Signaalvereffenaar.
IT1022774B (it) Apparecchiatura per la commutazione di segnali
IT1019268B (it) Apparecchiatura per indicare il livello di segnale
IT1015866B (it) Procedimento per l attivazione di bentoniti
IT1026690B (it) Circuito per il raddrizzamento di segnali
BR7406532D0 (pt) Copolimero de arrumacao almatoria
BR7403511D0 (pt) Prepolimero de isocianato
IT1025092B (it) Disposizione di racla
SE7412165L (sv) Integrerad krets
AR206610A1 (es) Procedimiento de preparacion de 2-metoxi-5-sulfonil(sustituidos)-benzamidas-(-sustituidas
IT1009397B (it) Disposizione circuitale per la com binazione di segnali
BE813520A (fr) Cyclische ketonen en de bereiding ervan
IT1020393B (it) Substrato per la determinazione di desossiribonucleari
IT1016401B (it) Procedimento di formilazione
IT1020392B (it) Circuito per l eliminazione di impulsi
AT329136B (de) Schaltung zur kompensation von strom-storsignal
IT965227B (it) Generatore di segnali
IT987444B (it) Disposizione circuitale per la trasmissione di segnali
IT1026810B (it) Procedimento per la desoleorazione di frazioni petrolifer
IT1021948B (it) Procedimento per la preparazione di antrachinoni i sostituiti
NO140727C (no) Multifrekvent signaleringssystem
IT1025211B (it) Disposizione di racla
IT984462B (it) Disposizione per il trattamento di segnali