FR825445A - Low frequency negative feedback amplifier - Google Patents

Low frequency negative feedback amplifier

Info

Publication number
FR825445A
FR825445A FR825445DA FR825445A FR 825445 A FR825445 A FR 825445A FR 825445D A FR825445D A FR 825445DA FR 825445 A FR825445 A FR 825445A
Authority
FR
France
Prior art keywords
low frequency
negative feedback
feedback amplifier
frequency negative
amplifier
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.)
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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR825445A publication Critical patent/FR825445A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
    • H03G7/04—Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback
FR825445D 1936-08-12 1937-08-10 Low frequency negative feedback amplifier Expired FR825445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN39748D DE756410C (en) 1936-08-12 1936-08-12 Low frequency amplifier with negative feedback

Publications (1)

Publication Number Publication Date
FR825445A true FR825445A (en) 1938-03-03

Family

ID=7348052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825445D Expired FR825445A (en) 1936-08-12 1937-08-10 Low frequency negative feedback amplifier

Country Status (3)

Country Link
DE (1) DE756410C (en)
DK (1) DK55339C (en)
FR (1) FR825445A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743591C (en) * 1938-11-16 1943-11-04 Philips Patentverwaltung Low frequency amplifier with a negative feedback that favors the reproduction of the low frequencies
DE956587C (en) * 1953-06-26 1957-01-24 Fernseh Gmbh Arrangement for gradation equalization in television broadcasting systems
DE961265C (en) * 1941-11-15 1957-04-04 Siemens Ag DC voltage or DC current amplifier for measuring purposes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5883344B2 (en) * 2012-04-26 2016-03-15 ヘンケルジャパン株式会社 Hot melt adhesive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE493273C (en) * 1925-03-13 1930-03-10 Int Standard Electric Corp Process for the accurate transmission of telephonic and similar streams
GB323823A (en) * 1928-10-18 1930-01-16 Philips Nv Improvements in or relating to arrangements for amplifying electrical oscillations
US1878046A (en) * 1930-04-03 1932-09-20 Radio Patents Corp Detector for modulated alternating currents
US2012286A (en) * 1932-01-29 1935-08-27 Beil Telephone Lab Inc Wave translation system
US2035263A (en) * 1933-05-26 1936-03-24 Bell Telephone Labor Inc Volume control system
AT144198B (en) * 1934-03-06 1935-12-27 Telefunken Gmbh Amplifier circuit with feedback.
AT144200B (en) * 1934-03-28 1935-12-27 Telefunken Gmbh Feedback amplifier circuit.
GB440337A (en) * 1934-06-15 1935-12-16 Joseph William Whiteley Improvements in and relating to thermionic valve circuits
US2033330A (en) * 1934-09-21 1936-03-10 United American Bosch Corp Selectivity control for radio

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743591C (en) * 1938-11-16 1943-11-04 Philips Patentverwaltung Low frequency amplifier with a negative feedback that favors the reproduction of the low frequencies
DE961265C (en) * 1941-11-15 1957-04-04 Siemens Ag DC voltage or DC current amplifier for measuring purposes
DE956587C (en) * 1953-06-26 1957-01-24 Fernseh Gmbh Arrangement for gradation equalization in television broadcasting systems

Also Published As

Publication number Publication date
DK55339C (en) 1938-10-17
DE756410C (en) 1944-10-05

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