GB565314A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB565314A
GB565314A GB13593/43A GB1359343A GB565314A GB 565314 A GB565314 A GB 565314A GB 13593/43 A GB13593/43 A GB 13593/43A GB 1359343 A GB1359343 A GB 1359343A GB 565314 A GB565314 A GB 565314A
Authority
GB
United Kingdom
Prior art keywords
switch
switches
line
current
circuit
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
GB13593/43A
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB565314A publication Critical patent/GB565314A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • 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
    • H04J3/045—Distributors with CRT

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB13593/43A 1942-10-09 1943-08-20 Improvements in or relating to electric signalling systems Expired GB565314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US461439A US2379221A (en) 1942-10-09 1942-10-09 Communication system

Publications (1)

Publication Number Publication Date
GB565314A true GB565314A (en) 1944-11-06

Family

ID=23832564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13593/43A Expired GB565314A (en) 1942-10-09 1943-08-20 Improvements in or relating to electric signalling systems

Country Status (3)

Country Link
US (1) US2379221A (fr)
FR (1) FR937953A (fr)
GB (1) GB565314A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE38375E1 (en) * 1994-12-13 2003-12-30 International Business Machines Corporation Method and system for the secured distribution of multimedia titles
US10694352B2 (en) 2015-10-28 2020-06-23 Activision Publishing, Inc. System and method of using physical objects to control software access

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125716A (en) * 1964-03-17 Machlis
GB565665A (en) * 1942-08-06 1944-11-21 Automatic Telephone & Elect Improvements in telephone systems
US2492136A (en) * 1946-03-14 1949-12-27 Fed Telecomm Lab Inc Electronic telephone exchange
US2570274A (en) * 1946-03-14 1951-10-09 Int Standard Electric Corp Electron beam switching tube and system
BE486836A (fr) * 1948-01-16
US2670405A (en) * 1948-06-10 1954-02-23 Bell Telephone Labor Inc Signaling system employing electron beams
US2521229A (en) * 1949-06-08 1950-09-05 Nat Union Radio Corp Electronic time division channel scanning system
US2609455A (en) * 1949-11-30 1952-09-02 Bell Telephone Labor Inc Telephone system
US2671824A (en) * 1949-12-02 1954-03-09 Bell Telephone Labor Inc Electron beam register signaling system
US2721938A (en) * 1950-01-27 1955-10-25 Gen Dynamics Corp Pulse generating means
US2872518A (en) * 1951-11-23 1959-02-03 Gen Dynamics Corp Party line telephone system
US2868881A (en) * 1955-05-10 1959-01-13 Gen Dynamics Corp Electronic telephone system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE38375E1 (en) * 1994-12-13 2003-12-30 International Business Machines Corporation Method and system for the secured distribution of multimedia titles
US10694352B2 (en) 2015-10-28 2020-06-23 Activision Publishing, Inc. System and method of using physical objects to control software access

Also Published As

Publication number Publication date
FR937953A (fr) 1948-09-01
US2379221A (en) 1945-06-26

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