FR767185A - Electrical oscillation amplification assembly comprising thermionic amplifier tubes with one or more grids - Google Patents

Electrical oscillation amplification assembly comprising thermionic amplifier tubes with one or more grids

Info

Publication number: FR767185A
Authority: FR; France
Prior art keywords: grids; amplifier tubes; electrical oscillation; amplification assembly; oscillation amplification
Prior art date: 1933-01-26
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

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1933-01-26

Filing date

1934-01-16

Publication date

1934-07-12

1934-01-16 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1934-07-12 Application granted granted Critical

1934-07-12 Publication of FR767185A publication Critical patent/FR767185A/en

Status Expired legal-status Critical Current

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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/10—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of amplifying elements with multiple electrode connections

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)
Details Of Valves (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)

FR767185D 1933-01-26 1934-01-16 Electrical oscillation amplification assembly comprising thermionic amplifier tubes with one or more grids Expired FR767185A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL414051X		1933-01-26

Publications (1)

Publication Number	Publication Date
FR767185A true FR767185A (en)	1934-07-12

Family

ID=19786001

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR767185D Expired FR767185A (en)	1933-01-26	1934-01-16	Electrical oscillation amplification assembly comprising thermionic amplifier tubes with one or more grids

Country Status (6)

Country	Link
US (1)	US2118122A (en)
BE (1)	BE400867A (en)
DE (2)	DE676285C (en)
FR (1)	FR767185A (en)
GB (2)	GB415009A (en)
NL (1)	NL40365C (en)

0
- BE BE400867D patent/BE400867A/xx unknown
- NL NL40365D patent/NL40365C/xx active
1933
- 1933-11-17 US US698486A patent/US2118122A/en not_active Expired - Lifetime
- 1933-12-13 GB GB16023/34A patent/GB415009A/en not_active Expired
- 1933-12-13 GB GB35099/33A patent/GB414051A/en not_active Expired
- 1933-12-28 DE DEN38604D patent/DE676285C/en not_active Expired
- 1933-12-28 DE DEN36120D patent/DE656699C/en not_active Expired
1934
- 1934-01-16 FR FR767185D patent/FR767185A/en not_active Expired

Also Published As

Publication number	Publication date
NL40365C (en)
US2118122A (en)	1938-05-24
GB415009A (en)	1934-08-16
BE400867A (en)
GB414051A (en)	1934-07-24
DE656699C (en)	1938-02-12
DE676285C (en)	1939-06-01

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