FR845999A - Protective devices for electrical devices - Google Patents

Protective devices for electrical devices

Info

Publication number
FR845999A
FR845999A FR845999DA FR845999A FR 845999 A FR845999 A FR 845999A FR 845999D A FR845999D A FR 845999DA FR 845999 A FR845999 A FR 845999A
Authority
FR
France
Prior art keywords
devices
protective
electrical
electrical devices
protective devices
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR845999A publication Critical patent/FR845999A/en
Expired legal-status Critical Current

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
    • H03F1/548—Protection of anode or grid circuit against overload
FR845999D 1937-11-16 1938-11-15 Protective devices for electrical devices Expired FR845999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US174778A US2158516A (en) 1937-11-16 1937-11-16 Protective device for electrical apparatus

Publications (1)

Publication Number Publication Date
FR845999A true FR845999A (en) 1939-09-06

Family

ID=22637486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845999D Expired FR845999A (en) 1937-11-16 1938-11-15 Protective devices for electrical devices

Country Status (3)

Country Link
US (1) US2158516A (en)
FR (1) FR845999A (en)
GB (1) GB520605A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545298A (en) * 1946-03-13 1951-03-13 Mittelmann Eugene Rectifier
US2540638A (en) * 1946-05-22 1951-02-06 Rca Corp Automatic step control of current
US2515561A (en) * 1948-06-21 1950-07-18 Frank M Lindley Communication mechanism
JPH05335844A (en) * 1992-06-04 1993-12-17 Aitel Corp High frequency amplifier device

Also Published As

Publication number Publication date
US2158516A (en) 1939-05-16
GB520605A (en) 1940-04-29

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