GB511603A - Improvements in or relating to telegraph systems - Google Patents

Improvements in or relating to telegraph systems

Info

Publication number
GB511603A
GB511603A GB1920/38A GB192038A GB511603A GB 511603 A GB511603 A GB 511603A GB 1920/38 A GB1920/38 A GB 1920/38A GB 192038 A GB192038 A GB 192038A GB 511603 A GB511603 A GB 511603A
Authority
GB
United Kingdom
Prior art keywords
relating
telegraph systems
telegraph
systems
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
GB1920/38A
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.)
Western Union Telegraph Co
Original Assignee
Western Union Telegraph Co
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 Western Union Telegraph Co filed Critical Western Union Telegraph Co
Publication of GB511603A publication Critical patent/GB511603A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/177—Freeze-out systems, e.g. taking away active sources from transmission
GB1920/38A 1937-01-30 1938-01-20 Improvements in or relating to telegraph systems Expired GB511603A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US123266A US2282357A (en) 1937-01-30 1937-01-30 Signaling system

Publications (1)

Publication Number Publication Date
GB511603A true GB511603A (en) 1939-08-22

Family

ID=22407650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1920/38A Expired GB511603A (en) 1937-01-30 1938-01-20 Improvements in or relating to telegraph systems

Country Status (3)

Country Link
US (1) US2282357A (en)
FR (1) FR832760A (en)
GB (1) GB511603A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963550A (en) * 1957-04-09 1960-12-06 Western Union Telegraph Co Station selection repeater

Also Published As

Publication number Publication date
US2282357A (en) 1942-05-12
FR832760A (en) 1938-10-03

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