FR942922A - Improvements to frequency indicating systems - Google Patents

Improvements to frequency indicating systems

Info

Publication number
FR942922A
FR942922A FR942922DA FR942922A FR 942922 A FR942922 A FR 942922A FR 942922D A FR942922D A FR 942922DA FR 942922 A FR942922 A FR 942922A
Authority
FR
France
Prior art keywords
frequency indicating
indicating systems
systems
frequency
indicating
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR942922A publication Critical patent/FR942922A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR942922D 1941-03-01 1947-01-07 Improvements to frequency indicating systems Expired FR942922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US942922XA 1941-03-01 1941-03-01

Publications (1)

Publication Number Publication Date
FR942922A true FR942922A (en) 1949-02-22

Family

ID=22244308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942922D Expired FR942922A (en) 1941-03-01 1947-01-07 Improvements to frequency indicating systems

Country Status (1)

Country Link
FR (1) FR942922A (en)

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