NL77429C - - Google Patents

Info

Publication number
NL77429C
NL77429C NL136036A NL136036A NL77429C NL 77429 C NL77429 C NL 77429C NL 136036 A NL136036 A NL 136036A NL 136036 A NL136036 A NL 136036A NL 77429 C NL77429 C NL 77429C
Authority
NL
Netherlands
Application number
NL136036A
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
Priority claimed from GB1198745A external-priority patent/GB596676A/en
Application filed filed Critical
Application granted granted Critical
Publication of NL77429C publication Critical patent/NL77429C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H04J3/042—Distributors with electron or gas discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NL136036A 1941-12-16 1947-11-14 NL77429C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2406803X 1941-12-16
GB1198745A GB596676A (en) 1945-05-12 Improvements in or relating to electric pulse signalling systems

Publications (1)

Publication Number Publication Date
NL77429C true NL77429C (de) 1955-03-15

Family

ID=32178902

Family Applications (1)

Application Number Title Priority Date Filing Date
NL136036A NL77429C (de) 1941-12-16 1947-11-14

Country Status (5)

Country Link
US (2) US2406803A (de)
BE (1) BE472518A (de)
CH (1) CH267010A (de)
FR (2) FR939269A (de)
NL (1) NL77429C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584739A (en) * 1948-07-24 1952-02-05 Gen Railway Signal Co Centralized traffic controlling system
US2832832A (en) * 1952-12-17 1958-04-29 Gen Dynamics Corp Telephone system
US2945094A (en) * 1954-09-07 1960-07-12 Itt Pulse signalling system
US3023372A (en) * 1958-01-13 1962-02-27 Thompson Ramo Wooldridge Inc Precision variable frequency generator
US3067391A (en) * 1959-02-25 1962-12-04 Floyd J Keirnan Variable spectrum pulse generator
US3158691A (en) * 1961-06-07 1964-11-24 Gen Dynamics Corp Ramp pulse position multiplex system
US3146314A (en) * 1961-09-25 1964-08-25 Gen Dynamics Corp Means for generating warbling tone ringing signals in a time division multiplex communication system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007809A (en) * 1930-10-04 1935-07-09 Communications Patents Inc Thermionic switching system
GB523575A (en) * 1939-01-06 1940-07-17 Kolster Brandes Ltd Improvements in or relating to methods of generating pulses characteristic of sound and like waves
US2263369A (en) * 1939-02-03 1941-11-18 Hartford Nat Bank & Trust Co Multiplex telephony system
FR959084A (de) * 1942-12-04 1950-03-23
BE462299A (de) * 1943-10-19
US2429613A (en) * 1943-10-19 1947-10-28 Standard Telephones Cables Ltd Pulse multiplex communication system
US2418116A (en) * 1943-12-20 1947-04-01 Standard Telephones Cables Ltd Multiplex synchronizing system
US2408077A (en) * 1944-08-25 1946-09-24 Standard Telephones Cables Ltd Multichannel system

Also Published As

Publication number Publication date
US2546974A (en) 1951-04-03
FR939269A (fr) 1948-11-09
FR58158E (fr) 1953-09-29
BE472518A (de) 1947-10-14
CH267010A (fr) 1950-02-28
US2406803A (en) 1946-09-03

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