BE440684A - - Google Patents

Info

Publication number
BE440684A
BE440684A BE440684DA BE440684A BE 440684 A BE440684 A BE 440684A BE 440684D A BE440684D A BE 440684DA BE 440684 A BE440684 A BE 440684A
Authority
BE
Belgium
Application number
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.)
Publication of BE440684A publication Critical patent/BE440684A/xx

Links

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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements
BE440684D 1939-09-14 BE440684A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL637507X 1939-09-14

Publications (1)

Publication Number Publication Date
BE440684A true BE440684A (de)

Family

ID=19788914

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440684D BE440684A (de) 1939-09-14

Country Status (6)

Country Link
US (1) US2319320A (de)
BE (1) BE440684A (de)
DE (1) DE1082941B (de)
FR (1) FR873527A (de)
GB (1) GB637507A (de)
NL (1) NL58996C (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747032A (en) * 1956-05-22 Vacuum tube amplifier circuits for
US2516007A (en) * 1944-04-08 1950-07-18 Westinghouse Electric Corp Oscillator control system
US2605404A (en) * 1945-10-09 1952-07-29 Jr George E Valley Pulse generator
US2554087A (en) * 1947-02-26 1951-05-22 Hartford Nat Bank & Trust Co High-frequency oscillator with a back-coupled electron tube
NL83879C (de) * 1953-06-17 1957-01-15
DE1059050B (de) * 1954-09-27 1959-06-11 Siemens Ag Einrichtung zur UEberwachung der Betriebsfaehigkeit wenigstens zweier Tonwahl- oder Tonrufgeneratoren
US2885549A (en) * 1954-10-26 1959-05-05 United Aircraft Corp Square wave generator
US2992363A (en) * 1955-06-03 1961-07-11 Gasaccumulator Svenska Ab Stand-by unit arrangement
DE1035223B (de) * 1956-03-17 1958-07-31 Pintsch Electro Gmbh Anordnung zur automatischen Umschaltung auf ein Reservegeraet bei Funkverbindungen
NL97476C (de) * 1956-03-22 1900-01-01
GB1037833A (en) * 1963-03-07 1966-08-03 Elliott Brothers London Ltd Improvements in or relating to the construction of electronic equipment
US3345578A (en) * 1964-03-09 1967-10-03 Sylvania Electric Prod Redundant amplifier circuits

Also Published As

Publication number Publication date
GB637507A (en) 1950-05-24
FR873527A (fr) 1942-07-10
DE1082941B (de) 1960-06-09
NL58996C (de)
US2319320A (en) 1943-05-18

Similar Documents

Publication Publication Date Title
BE435213A (de)
BE435654A (de)
BE435823A (de)
BE435664A (de)
NL58996C (de)
BE436022A (de)
BE433626A (de)
BE435911A (de)
BE433615A (de)
BE436027A (de)
BE433403A (de)
BE433398A (de)
BE435601A (de)
BE433383A (de)
BE435988A (de)
BE432980A (de)
BE432967A (de)
BE432902A (de)
BE435474A (de)
BE432823A (de)
BE432719A (de)
BE432683A (de)
BE435413A (de)
BE432632A (de)
BE432228A (de)