US2299229A - Selecting system - Google Patents

Selecting system Download PDF

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Publication number
US2299229A
US2299229A US420461A US42046141A US2299229A US 2299229 A US2299229 A US 2299229A US 420461 A US420461 A US 420461A US 42046141 A US42046141 A US 42046141A US 2299229 A US2299229 A US 2299229A
Authority
US
United States
Prior art keywords
tubes
circuit
current
ionization
tube
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 - Lifetime
Application number
US420461A
Other languages
English (en)
Inventor
Nathan I Hall
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
Bell Telephone Laboratories 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 Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to US420461A priority Critical patent/US2299229A/en
Application granted granted Critical
Publication of US2299229A publication Critical patent/US2299229A/en
Priority to GB15703/42A priority patent/GB555721A/en
Priority to FR951305D priority patent/FR951305A/fr
Priority to BE475948D priority patent/BE475948A/fr
Priority to NL135446A priority patent/NL72109C/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
US420461A 1941-11-21 1941-11-26 Selecting system Expired - Lifetime US2299229A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US420461A US2299229A (en) 1941-11-26 1941-11-26 Selecting system
GB15703/42A GB555721A (en) 1941-11-21 1942-11-06 Electric selecting systems
FR951305D FR951305A (fr) 1941-11-26 1947-08-05 Système sélecteur
BE475948D BE475948A (fr) 1941-11-26 1947-09-11 Système sélecteur
NL135446A NL72109C (fr) 1941-11-26 1947-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US420461A US2299229A (en) 1941-11-26 1941-11-26 Selecting system

Publications (1)

Publication Number Publication Date
US2299229A true US2299229A (en) 1942-10-20

Family

ID=23666573

Family Applications (1)

Application Number Title Priority Date Filing Date
US420461A Expired - Lifetime US2299229A (en) 1941-11-21 1941-11-26 Selecting system

Country Status (4)

Country Link
US (1) US2299229A (fr)
BE (1) BE475948A (fr)
FR (1) FR951305A (fr)
NL (1) NL72109C (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542807A (en) * 1946-10-24 1951-02-20 Westinghouse Electric Corp Electronic transfer unit
US2734950A (en) * 1956-02-14 Circuit for preventing intermoduiation
US2774820A (en) * 1952-02-13 1956-12-18 Int Standard Electric Corp Electric discharge tube circuits
US2792525A (en) * 1952-02-23 1957-05-14 Gen Dynamics Corp Time selection circuit
US2811310A (en) * 1952-02-15 1957-10-29 Telecomputing Corp Double purpose gas filled tube
US2964680A (en) * 1957-12-31 1960-12-13 Bell Telephone Labor Inc Gas diode flip-flop or register circuit
US3202841A (en) * 1963-04-01 1965-08-24 Clary Corp Switching network
US3255389A (en) * 1962-04-25 1966-06-07 Gen Electric Electrical capacitor and electrode material therefor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734950A (en) * 1956-02-14 Circuit for preventing intermoduiation
US2542807A (en) * 1946-10-24 1951-02-20 Westinghouse Electric Corp Electronic transfer unit
US2774820A (en) * 1952-02-13 1956-12-18 Int Standard Electric Corp Electric discharge tube circuits
US2811310A (en) * 1952-02-15 1957-10-29 Telecomputing Corp Double purpose gas filled tube
US2792525A (en) * 1952-02-23 1957-05-14 Gen Dynamics Corp Time selection circuit
US2964680A (en) * 1957-12-31 1960-12-13 Bell Telephone Labor Inc Gas diode flip-flop or register circuit
US3255389A (en) * 1962-04-25 1966-06-07 Gen Electric Electrical capacitor and electrode material therefor
US3202841A (en) * 1963-04-01 1965-08-24 Clary Corp Switching network

Also Published As

Publication number Publication date
BE475948A (fr) 1947-10-31
NL72109C (fr) 1953-04-15
FR951305A (fr) 1949-10-21

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