FR925551A - Perfectionnements aux systèmes amplificateurs d'ondes - Google Patents

Perfectionnements aux systèmes amplificateurs d'ondes

Info

Publication number
FR925551A
FR925551A FR925551DA FR925551A FR 925551 A FR925551 A FR 925551A FR 925551D A FR925551D A FR 925551DA FR 925551 A FR925551 A FR 925551A
Authority
FR
France
Prior art keywords
wave amplifier
amplifier systems
systems
wave
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
English (en)
Inventor
Hugo Romander
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR925551A publication Critical patent/FR925551A/fr
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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR925551D 1945-04-14 1946-04-12 Perfectionnements aux systèmes amplificateurs d'ondes Expired FR925551A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US588269A US2480163A (en) 1945-04-14 1945-04-14 Negative feedback amplifier

Publications (1)

Publication Number Publication Date
FR925551A true FR925551A (fr) 1947-09-08

Family

ID=24353175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925551D Expired FR925551A (fr) 1945-04-14 1946-04-12 Perfectionnements aux systèmes amplificateurs d'ondes

Country Status (4)

Country Link
US (1) US2480163A (fr)
BE (1) BE464915A (fr)
FR (1) FR925551A (fr)
GB (1) GB610105A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647173A (en) * 1947-11-17 1953-07-28 Gen Electric Multiple feedback system
US2724807A (en) * 1950-02-16 1955-11-22 Harold B Rex Frequency-selective systems
US2915628A (en) * 1953-07-03 1959-12-01 Honeywell Regulator Co Electrical control apparatus
US2934713A (en) * 1954-09-17 1960-04-26 Itt Anode-follower amplifier
US3225298A (en) * 1962-07-30 1965-12-21 Hewlett Packard Co Impedance to voltage converter including a positive feedback path for supplying impedance testing current
US3317851A (en) * 1963-07-18 1967-05-02 Julie Res Lab Inc Frequency and amplification stabilized high power amplifier
US3525037A (en) * 1967-11-14 1970-08-18 Ampex Method and apparatus for measuring subsurface electrical impedance utilizing first and second successively transmitted signals at different frequencies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE403982A (fr) * 1933-11-11
US2227048A (en) * 1938-07-09 1940-12-31 Bell Telephone Labor Inc Negative feedback amplifier
US2244249A (en) * 1938-12-31 1941-06-03 Radio Patents Corp Wave translation system

Also Published As

Publication number Publication date
BE464915A (fr)
US2480163A (en) 1949-08-30
GB610105A (en) 1948-10-12

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