FR1253389A - Circuit de charge à courant constant - Google Patents

Circuit de charge à courant constant

Info

Publication number
FR1253389A
FR1253389A FR814669A FR814669A FR1253389A FR 1253389 A FR1253389 A FR 1253389A FR 814669 A FR814669 A FR 814669A FR 814669 A FR814669 A FR 814669A FR 1253389 A FR1253389 A FR 1253389A
Authority
FR
France
Prior art keywords
constant current
charging circuit
current charging
circuit
constant
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
FR814669A
Other languages
English (en)
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
Thompson Ramo Wooldridge Inc
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
Priority claimed from GB4356459A external-priority patent/GB907152A/en
Application filed by Thompson Ramo Wooldridge Inc filed Critical Thompson Ramo Wooldridge Inc
Priority to FR814669A priority Critical patent/FR1253389A/fr
Application granted granted Critical
Publication of FR1253389A publication Critical patent/FR1253389A/fr
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
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/58—Boot-strap generators
    • 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/12—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor
    • H03K4/24—Boot-strap generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR814669A 1959-12-22 1959-12-31 Circuit de charge à courant constant Expired FR1253389A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR814669A FR1253389A (fr) 1959-12-22 1959-12-31 Circuit de charge à courant constant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4356459A GB907152A (en) 1959-12-22 1959-12-22 A circuit for generating a linear ramp voltage
FR814669A FR1253389A (fr) 1959-12-22 1959-12-31 Circuit de charge à courant constant

Publications (1)

Publication Number Publication Date
FR1253389A true FR1253389A (fr) 1961-02-10

Family

ID=26184846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814669A Expired FR1253389A (fr) 1959-12-22 1959-12-31 Circuit de charge à courant constant

Country Status (1)

Country Link
FR (1) FR1253389A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3121833A1 (fr) 2015-07-20 2017-01-25 Aselta Nanographics Procédé permettant d'effectuer une modulation de dose, notamment pour la lithographie par faisceau d'électrons

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3121833A1 (fr) 2015-07-20 2017-01-25 Aselta Nanographics Procédé permettant d'effectuer une modulation de dose, notamment pour la lithographie par faisceau d'électrons

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