ES309308A1 - Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion - Google Patents

Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion

Info

Publication number
ES309308A1
ES309308A1 ES0309308A ES309308A ES309308A1 ES 309308 A1 ES309308 A1 ES 309308A1 ES 0309308 A ES0309308 A ES 0309308A ES 309308 A ES309308 A ES 309308A ES 309308 A1 ES309308 A1 ES 309308A1
Authority
ES
Spain
Prior art keywords
resistors
amplifier
electrical circuits
signaling systems
individual circuits
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
ES0309308A
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Publication of ES309308A1 publication Critical patent/ES309308A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Networks Using Active Elements (AREA)
ES0309308A 1964-02-14 1965-02-12 Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion Expired ES309308A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6257/64A GB1049412A (en) 1964-02-14 1964-02-14 Improvements in or relating to electric circuits for use in signalling systems

Publications (1)

Publication Number Publication Date
ES309308A1 true ES309308A1 (es) 1965-06-16

Family

ID=9811243

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0309308A Expired ES309308A1 (es) 1964-02-14 1965-02-12 Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion

Country Status (4)

Country Link
US (1) US3332038A (es)
ES (1) ES309308A1 (es)
GB (1) GB1049412A (es)
IL (1) IL22972A (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465103A (en) * 1966-06-23 1969-09-02 United Aircraft Corp System for combining plural isolated physiological signals without mutual interference and with reduced noise level
DE2967454D1 (en) * 1978-12-15 1985-06-27 Siemens Ag Albis Multi-channel amplifying device with an amplifier for groups of oscillations interlaced in time
US4283695A (en) * 1979-06-27 1981-08-11 Scandurra Aldo M High isolation multicoupling apparatus
JPS56104537A (en) 1980-01-23 1981-08-20 Nec Corp Switch matrix device
US4462098A (en) * 1982-02-16 1984-07-24 Motorola, Inc. Radio frequency signal combining/sorting apparatus
CA1200938A (en) * 1983-09-30 1986-02-18 Mitel Corporation Voice and data interface circuit
US5214787A (en) * 1990-08-31 1993-05-25 Karkota Jr Frank P Multiple audio channel broadcast system
CA2107632C (en) * 1992-10-05 1997-06-03 Nec Corporation Local oscillator and its frequency switching method
US5440281A (en) * 1993-09-07 1995-08-08 Allen Telecom Group, Inc. Multichannel transmitter combiners employing cavities having low output impedance
US6188877B1 (en) 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
US6298244B1 (en) 1997-07-03 2001-10-02 Ericsson Inc. Dual-band, dual-mode power amplifier
US5969582A (en) * 1997-07-03 1999-10-19 Ericsson Inc. Impedance matching circuit for power amplifier
US10424822B2 (en) 2015-10-14 2019-09-24 Wilson Electronics, Llc Multi-common port multiband filters
EP3577798A4 (en) 2017-02-02 2020-11-18 Wilson Electronics, LLC DETECTION OF INDEPENDENT BANDS FOR NETWORK PROTECTION
US10659142B1 (en) 2018-12-04 2020-05-19 Wilson Electronics, Llc Independent band detection for network protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR791823A (fr) * 1934-09-17 1935-12-18 Lignes Telegraph Telephon Réseaux électriques
US2768351A (en) * 1951-03-13 1956-10-23 Hartford Nat Bank & Trust Co Multipole network
US2757342A (en) * 1955-03-03 1956-07-31 Bell Telephone Labor Inc Wave transmission branching arrangement

Also Published As

Publication number Publication date
GB1049412A (en) 1966-11-30
US3332038A (en) 1967-07-18
IL22972A (en) 1968-10-24

Similar Documents

Publication Publication Date Title
ES309308A1 (es) Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion
DK127488B (da) Overføringsanlæg til overføring af impulssignaler.
GB1005323A (en) An electric circuit arrangement
AT273244B (de) Sprachgeschützter frequenzselektiver Zeichenempfänger für Fernmelde-, insbensodere Fernsprechanlagen
CA792305A (en) Transmitting arrangement for use in tone frequency pushbutton selection systems
CH434378A (de) Fernmeldeanlage zur Übertragung von Nachrichtensignalen verschiedener Art
AU277022B2 (en) Improvements in or relating to transmitting devices for signal systems, for example telegraph systems
AU404688B2 (en) Circuit arrangement to simplify the adjustment ofa coupling network which matches a load toa high frequency transmitter output stage
CA693067A (en) High frequency transmission system
AU1098243A (en) Means for changing the transmission frequencies in multichannel systems of telephone or telegraph transmission
CA721379A (en) Monitor circuit for frequency shift telegraph signaling
AU1000666A (en) Circuit arrangement to simplify the adjustment ofa coupling network which matches a load toa high frequency transmitter output stage
CA412622A (en) Telephone receiving apparatus selective circuit
CA656336A (en) Increasing bandwidth of signal transmission systems
CA665977A (en) System for transmitting special signals for impulse type telecommunication systems
AU118341B2 (en) Frequency modulation signal receiving system
CH385929A (de) Signalempfänger für Tonfrequenz-Signalübertragungsanlagen
GB967590A (en) Improvements in and relating to electrical communication lines
AU275240B2 (en) Transitorised transmitter for polar signals
CA680393A (en) Multiplex communication transmitters
AU155844B2 (en) Improvements in circuit arrangements for generating signals for use in telephone systems
AU119138B2 (en) Frequency modulation receiver circuit
AU6163565A (en) Circuit arrangement for subscribers line equipment
AU278971B2 (en) Signal transmitting system
AU119738B2 (en) Radio telegraph multiplex system