FR1068439A - Circuits électriques d'impédance variable - Google Patents

Circuits électriques d'impédance variable

Info

Publication number
FR1068439A
FR1068439A FR1068439DA FR1068439A FR 1068439 A FR1068439 A FR 1068439A FR 1068439D A FR1068439D A FR 1068439DA FR 1068439 A FR1068439 A FR 1068439A
Authority
FR
France
Prior art keywords
electrical circuits
variable impedance
impedance electrical
variable
circuits
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
Maurice Charles Branch
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
Priority claimed from US262557A external-priority patent/US2760074A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1068439A publication Critical patent/FR1068439A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/26—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using discharge tubes
    • G11C11/28—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using discharge tubes using gas-filled tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Lasers (AREA)
  • Amplifiers (AREA)
FR1068439D 1951-12-20 1952-12-19 Circuits électriques d'impédance variable Expired FR1068439A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2840702X 1951-12-20
US262557A US2760074A (en) 1951-12-20 1951-12-20 Frequency generator

Publications (1)

Publication Number Publication Date
FR1068439A true FR1068439A (fr) 1954-06-24

Family

ID=32328159

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1074696D Expired FR1074696A (fr) 1951-12-20 1952-12-17 Générateur de fréquence
FR1068439D Expired FR1068439A (fr) 1951-12-20 1952-12-19 Circuits électriques d'impédance variable
FR65592D Expired FR65592E (fr) 1951-12-20 1953-08-26 Circuits électriques d'impédance variable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1074696D Expired FR1074696A (fr) 1951-12-20 1952-12-17 Générateur de fréquence

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR65592D Expired FR65592E (fr) 1951-12-20 1953-08-26 Circuits électriques d'impédance variable

Country Status (6)

Country Link
US (1) US2840702A (fr)
BE (2) BE516362A (fr)
CH (2) CH322685A (fr)
DE (1) DE963069C (fr)
FR (3) FR1074696A (fr)
NL (1) NL173699B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375502A (en) * 1964-11-10 1968-03-26 Litton Systems Inc Dynamic memory using controlled semiconductors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2115352A (en) * 1934-08-07 1938-04-26 Gen Electric Co Ltd Voltage regulator
US2310112A (en) * 1941-07-01 1943-02-02 Gen Electric Electric control circuit
US2394891A (en) * 1943-02-05 1946-02-12 Sylvania Electric Prod Current and voltage regulator system
US2407458A (en) * 1943-12-06 1946-09-10 Philco Corp High-voltage regulator circuit
US2533739A (en) * 1943-12-27 1950-12-12 Ncr Co Electronic counting ring
US2426278A (en) * 1944-04-19 1947-08-26 Ncr Co Electronic device
US2603765A (en) * 1947-05-28 1952-07-15 Int Standard Electric Corp Electric discharge device
US2583345A (en) * 1947-12-09 1952-01-22 Rca Corp Apparatus for modifying the transfer characteristics of a vacuum tube
US2553366A (en) * 1949-06-15 1951-05-15 Pye Ltd Crystal controlled high-frequency oscillator
NL157686B (nl) * 1949-12-02 Sulzer Ag Hydrostatische zuigermachine.
US2758250A (en) * 1951-10-05 1956-08-07 Int Standard Electric Corp Gaseous discharge tube counting chains
NL112771C (fr) * 1952-07-21

Also Published As

Publication number Publication date
BE516362A (fr)
CH314809A (de) 1956-06-30
DE963069C (de) 1957-05-02
NL173699B (nl)
US2840702A (en) 1958-06-24
FR65592E (fr) 1956-02-28
FR1074696A (fr) 1954-10-07
CH322685A (fr) 1957-06-30
BE516363A (fr)

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