FR391514A - Improvements to oscillographs - Google Patents

Improvements to oscillographs

Info

Publication number
FR391514A
FR391514A FR391514DA FR391514A FR 391514 A FR391514 A FR 391514A FR 391514D A FR391514D A FR 391514DA FR 391514 A FR391514 A FR 391514A
Authority
FR
France
Prior art keywords
oscillographs
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
Herbert Pearce
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR391514A publication Critical patent/FR391514A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/02—Producing one or more recordings of the values of a single variable
    • G01D9/10—Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time
    • G01D9/12—Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring continuously
    • G01D9/14—Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring continuously with provision for altering speed of recording medium in accordance with the magnitude of the variable to be recorded

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR391514D 1907-07-30 1908-06-20 Improvements to oscillographs Expired FR391514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB391514X 1907-07-30

Publications (1)

Publication Number Publication Date
FR391514A true FR391514A (en) 1908-11-03

Family

ID=1436974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR391514D Expired FR391514A (en) 1907-07-30 1908-06-20 Improvements to oscillographs

Country Status (1)

Country Link
FR (1) FR391514A (en)

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