FR57859E - Improvements to frequency measuring devices - Google Patents

Improvements to frequency measuring devices

Info

Publication number
FR57859E
FR57859E FR57859DA FR57859E FR 57859 E FR57859 E FR 57859E FR 57859D A FR57859D A FR 57859DA FR 57859 E FR57859 E FR 57859E
Authority
FR
France
Prior art keywords
measuring devices
frequency measuring
frequency
devices
measuring
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)
Inventor
Charles William Earp
Charles Mark Kramskoy
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 FR57859E publication Critical patent/FR57859E/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
FR57859D 1947-12-09 1947-12-09 Improvements to frequency measuring devices Expired FR57859E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57859T 1947-12-09

Publications (1)

Publication Number Publication Date
FR57859E true FR57859E (en) 1953-09-18

Family

ID=8691833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57859D Expired FR57859E (en) 1947-12-09 1947-12-09 Improvements to frequency measuring devices

Country Status (1)

Country Link
FR (1) FR57859E (en)

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