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GB549440A - Selecting systems particularly for automatic telephones - Google Patents

Selecting systems particularly for automatic telephones

Info

Publication number
GB549440A
GB549440A GB3424/42A GB342442A GB549440A GB 549440 A GB549440 A GB 549440A GB 3424/42 A GB3424/42 A GB 3424/42A GB 342442 A GB342442 A GB 342442A GB 549440 A GB549440 A GB 549440A
Authority
GB
United Kingdom
Prior art keywords
discharge
tubes
outlet
tube
potential
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
GB3424/42A
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 GB549440A publication Critical patent/GB549440A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measuring Volume Flow (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB3424/42A 1941-02-08 1942-03-16 Selecting systems particularly for automatic telephones Expired GB549440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US377998A US2326551A (en) 1941-02-08 1941-02-08 Selecting system

Publications (1)

Publication Number Publication Date
GB549440A true GB549440A (en) 1942-11-20

Family

ID=23491320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3424/42A Expired GB549440A (en) 1941-02-08 1942-03-16 Selecting systems particularly for automatic telephones

Country Status (6)

Country Link
US (1) US2326551A (de)
CH (1) CH237702A (de)
ES (1) ES176359A1 (de)
FR (1) FR938498A (de)
GB (1) GB549440A (de)
NL (1) NL68615C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564125A (en) * 1941-02-08 1951-08-14 Bell Telephone Labor Inc Selecting system
US2589697A (en) * 1945-11-12 1952-03-18 Ericsson Telefon Ab L M Telephone switch utilizing a multielectrode gaseous discharge tube
US2543534A (en) * 1947-01-09 1951-02-27 Stromberg Carlson Co Automatic telephone system
NL143044B (nl) * 1947-10-29 Matsushita Electric Ind Co Ltd Tijdbasisstelsel voor een elektronenstraalbuis.
US2609454A (en) * 1948-06-29 1952-09-02 Bell Telephone Labor Inc Selecting and lockout circuit
US2594389A (en) * 1948-08-04 1952-04-29 Bell Telephone Labor Inc Double-lockout interconnecting system
US2542672A (en) * 1948-10-27 1951-02-20 Bell Telephone Labor Inc Coordinate selecting and lockout circuit
US2562100A (en) * 1948-11-17 1951-07-24 Bell Telephone Labor Inc Coordinate selecting and lock-out circuit
US2633498A (en) * 1948-12-29 1953-03-31 Bell Telephone Labor Inc Selecting and two-way translating system
BE495462A (de) * 1949-05-02
US2578701A (en) * 1949-09-15 1951-12-18 Bell Telephone Labor Inc Coordinate selecting and lockout circuit
US2686226A (en) * 1949-10-13 1954-08-10 Int Standard Electric Corp Multiswitch apparatus controlled by crossbars
BE536273A (de) * 1954-03-08

Also Published As

Publication number Publication date
FR938498A (fr) 1948-09-16
NL68615C (de) 1900-01-01
CH237702A (de) 1945-05-15
ES176359A1 (es) 1947-03-01
US2326551A (en) 1943-08-10

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