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FR1040380A - Device for the automatic modulation of frequency currents - Google Patents

Device for the automatic modulation of frequency currents

Info

Publication number
FR1040380A
FR1040380A FR1040380DA FR1040380A FR 1040380 A FR1040380 A FR 1040380A FR 1040380D A FR1040380D A FR 1040380DA FR 1040380 A FR1040380 A FR 1040380A
Authority
FR
France
Prior art keywords
frequency currents
automatic modulation
modulation
automatic
currents
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.)
PARISIENNE D EXPL DES ETABLISS
Original Assignee
PARISIENNE D EXPL DES ETABLISS
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 PARISIENNE D EXPL DES ETABLISS filed Critical PARISIENNE D EXPL DES ETABLISS
Application granted granted Critical
Publication of FR1040380A publication Critical patent/FR1040380A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/86—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements gas-filled tubes or spark-gaps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR1040380D 1951-08-08 1951-08-08 Device for the automatic modulation of frequency currents Expired FR1040380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1040380T 1951-08-08

Publications (1)

Publication Number Publication Date
FR1040380A true FR1040380A (en) 1953-10-14

Family

ID=9588907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040380D Expired FR1040380A (en) 1951-08-08 1951-08-08 Device for the automatic modulation of frequency currents

Country Status (1)

Country Link
FR (1) FR1040380A (en)

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