NL7309656A - - Google Patents

Info

Publication number
NL7309656A
NL7309656A NL7309656A NL7309656A NL7309656A NL 7309656 A NL7309656 A NL 7309656A NL 7309656 A NL7309656 A NL 7309656A NL 7309656 A NL7309656 A NL 7309656A NL 7309656 A NL7309656 A NL 7309656A
Authority
NL
Netherlands
Application number
NL7309656A
Other versions
NL161946C (nl
NL161946B (nl
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 filed Critical
Publication of NL7309656A publication Critical patent/NL7309656A/xx
Publication of NL161946B publication Critical patent/NL161946B/xx
Application granted granted Critical
Publication of NL161946C publication Critical patent/NL161946C/xx

Links

Classifications

    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
NL7309656.A 1972-07-14 1973-07-11 Stelsel voor het in frequentie-multiplex overdragen van telefoonkanalen over een tweedraadslijn in duplex- -verkeer. NL161946C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00271737A US3804988A (en) 1972-07-14 1972-07-14 Carrier system for efficient connection of telephone subscribers to central office
US00271738A US3806655A (en) 1972-07-14 1972-07-14 System carrier equipment employing phase shift method of ssb generation and reception

Publications (3)

Publication Number Publication Date
NL7309656A true NL7309656A (en:Method) 1974-01-16
NL161946B NL161946B (nl) 1979-10-15
NL161946C NL161946C (nl) 1980-03-17

Family

ID=26955095

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7309656.A NL161946C (nl) 1972-07-14 1973-07-11 Stelsel voor het in frequentie-multiplex overdragen van telefoonkanalen over een tweedraadslijn in duplex- -verkeer.

Country Status (11)

Country Link
US (2) US3806655A (en:Method)
JP (1) JPS5415721B2 (en:Method)
AT (1) ATA604273A (en:Method)
BE (1) BE802278A (en:Method)
CA (1) CA1030675A (en:Method)
DE (1) DE2334650C3 (en:Method)
FR (1) FR2193294B1 (en:Method)
GB (1) GB1444258A (en:Method)
IT (1) IT998241B (en:Method)
NL (1) NL161946C (en:Method)
SE (1) SE391096B (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045624A (en) * 1976-04-02 1977-08-30 Carrier Telephone Corporation Of America, Inc. Continuous monitoring in carrier telephone systems
FR2363244A1 (fr) * 1976-08-26 1978-03-24 Thomson Csf Systeme de transmission bilaterale entre une station principale et des stations secondaires
US4049914A (en) * 1976-08-30 1977-09-20 Rockwell International Corporation Frequency division multiplex voice communication apparatus with hierarchy of stations
GB1540907A (en) * 1976-12-07 1979-02-21 Standard Telephones Cables Ltd System for obtaining data from a plurality of condition responsive optical devices
US4230910A (en) * 1978-08-11 1980-10-28 Tii Corporation Signalling and channel loop test circuits for station carrier telephone system
US4234950A (en) * 1979-04-25 1980-11-18 Sidney Browne Telephone station carrier system
JPS60101769A (ja) * 1983-11-09 1985-06-05 Hitachi Ltd 信号伝送装置
US5159613A (en) * 1990-04-02 1992-10-27 William Beaumont Hospital Side-band generator
FR2667750A1 (fr) * 1990-10-05 1992-04-10 Philips Electro Grand Public Reseau cable et dispositif modulateur-demodulateur pour un tel reseau.
US5247515A (en) * 1991-01-28 1993-09-21 Rockwell International Corporation Apparatus for extracting one from many multiplexed signals
DE4228407C2 (de) * 1992-08-26 1994-06-30 Ant Nachrichtentech Teilnehmer für eine Gesellschaftsleitung sowie Verfahren zum Aufbau einer Verbindung zwischen Teilnehmern einer Gesellschaftsleitung
SE519541C2 (sv) * 1996-10-02 2003-03-11 Ericsson Telefon Ab L M Förfarande och anordning för transformering av en reell digital bredbandig bandpassignal till en uppsättning digitala basbandssignaler med I- och Q-komponenter
US6546061B2 (en) 1996-10-02 2003-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Signal transformation method and apparatus
DE10154995A1 (de) * 2001-11-08 2003-06-05 Eads Deutschland Gmbh Mischerschaltung mit Vorverstärker

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721897A (en) * 1951-01-13 1955-10-25 Bell Telephone Labor Inc Carrier wave communication system
GB946249A (en) * 1960-12-02 1964-01-08 Ass Elect Ind Improvements relating to circuit arrangements for frequency translating a.c. signals
DE1256709B (de) * 1964-08-17 1967-12-21 Standard Elektrik Lorenz Ag Verfahren zur Frequenzstabilisierung der Traeger durch Mituebertragen einer Steuerfrequenz in Traegerfrequenzsystemen
US3475561A (en) * 1965-09-29 1969-10-28 Superior Continental Corp Telephone carrier system having selfcontained independently attachable line tap units
US3450842A (en) * 1965-10-22 1969-06-17 Nasa Doppler frequency spread correction device for multiplex transmissions
US3550131A (en) * 1967-12-27 1970-12-22 Bell Telephone Labor Inc Digitalized phase locked loop double carrier transmission system
FR1592098A (en:Method) * 1968-03-15 1970-05-11
US3548106A (en) * 1969-07-24 1970-12-15 Anaconda Wire & Cable Co Rural subscriber telephone system

Also Published As

Publication number Publication date
DE2334650B2 (de) 1979-10-11
CA1030675A (en) 1978-05-02
ATA604273A (de) 1979-10-15
GB1444258A (en) 1976-07-28
JPS5415721B2 (en:Method) 1979-06-16
BE802278A (fr) 1973-11-05
AU5781673A (en) 1975-01-09
NL161946C (nl) 1980-03-17
FR2193294B1 (en:Method) 1979-07-13
IT998241B (it) 1976-01-20
US3806655A (en) 1974-04-23
NL161946B (nl) 1979-10-15
DE2334650A1 (de) 1974-02-14
JPS4960111A (en:Method) 1974-06-11
US3804988A (en) 1974-04-16
SE391096B (sv) 1977-01-31
DE2334650C3 (de) 1980-06-26
FR2193294A1 (en:Method) 1974-02-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: CARRIER TELEP