[go: up one dir, main page]

CH345670A - Trägerfrequenz-Nachrichtenübermittlungsanlage - Google Patents

Trägerfrequenz-Nachrichtenübermittlungsanlage

Info

Publication number
CH345670A
CH345670A CH345670DA CH345670A CH 345670 A CH345670 A CH 345670A CH 345670D A CH345670D A CH 345670DA CH 345670 A CH345670 A CH 345670A
Authority
CH
Switzerland
Prior art keywords
communication system
carrier frequency
frequency communication
carrier
frequency
Prior art date
Application number
Other languages
English (en)
Inventor
C Dillon William
H Kehm Clarence
Original Assignee
W C Dillon & Company 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 W C Dillon & Company Inc filed Critical W C Dillon & Company Inc
Publication of CH345670A publication Critical patent/CH345670A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/44—Arrangements for feeding power to a repeater along the transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/18—Frequency-division multiplex systems in which all the carriers are amplitude-modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H04Q5/08—Signalling by continuous AC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH345670D 1954-02-12 1955-02-07 Trägerfrequenz-Nachrichtenübermittlungsanlage CH345670A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40988854A 1954-02-12 1954-02-12
US846040A US3086171A (en) 1954-02-12 1959-10-12 Carrier wave telephony

Publications (1)

Publication Number Publication Date
CH345670A true CH345670A (de) 1960-04-15

Family

ID=27020796

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345670D CH345670A (de) 1954-02-12 1955-02-07 Trägerfrequenz-Nachrichtenübermittlungsanlage

Country Status (3)

Country Link
US (1) US3086171A (de)
CH (1) CH345670A (de)
FR (1) FR1119875A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412209A1 (fr) * 1977-12-14 1979-07-13 Danfoss As Branchement emetteur-recepteur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102138A (en) * 1936-02-21 1937-12-14 Bell Telephone Labor Inc Transmission system
US2214130A (en) * 1939-03-03 1940-09-10 Bell Telephone Labor Inc Measurement of phase change and envelope delay of a transmission line
US2273719A (en) * 1940-10-02 1942-02-17 Bell Telephone Labor Inc Television signaling system
US2379744A (en) * 1942-03-31 1945-07-03 Bell Telephone Labor Inc Electric circuit arrangement employing delay networks
BE473802A (de) * 1946-08-20
US2490833A (en) * 1947-04-26 1949-12-13 Fed Telecomm Labs Inc All electronic line finder and selector system
US2604544A (en) * 1949-12-30 1952-07-22 W C Dillon & Company Inc Carrier telephone system with audio-frequency signaling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412209A1 (fr) * 1977-12-14 1979-07-13 Danfoss As Branchement emetteur-recepteur

Also Published As

Publication number Publication date
US3086171A (en) 1963-04-16
FR1119875A (fr) 1956-06-26

Similar Documents

Publication Publication Date Title
FR1143310A (fr) Système de communication
CH347232A (de) Funkortungsanlage
CH330332A (de) Antennenanlage
CH333037A (de) Frequenzteilungsschaltung
CH329945A (de) Breitband-Antennenanlage
FR1133943A (fr) Transmetteur télégraphique
CH345670A (de) Trägerfrequenz-Nachrichtenübermittlungsanlage
CH344782A (de) Frequenzrelais
CH346248A (de) Telephonanlage
FR1113145A (fr) Récepteur radio-électrique
NL189226B (nl) Telecommunicatiestelsel.
CH320957A (de) Mehrkanal-Nachrichtenübertragungsanlage
AT189240B (de) Fernsprechstation
AT191472B (de) Trägerfrequenzfernsprechsystem
FR1109385A (fr) Transporteur
CH331068A (de) Fernschreibsender
CH336452A (de) Mehrkanal-Trägertelephonanlage
FR1119102A (fr) Transporteur
AT180981B (de) Fernmeldeanlage
FR1103962A (fr) Modulateur de fréquence équilibré
FR1114200A (fr) Diable transporteur
AU201961B2 (en) Carrier communication system
FR1115778A (fr) Dispositif modulateur de fréquence
FR1117384A (fr) Radio-récepteur
AT188371B (de) Funkempfangsgerät