FR979169A - Improvements to recorders - Google Patents

Improvements to recorders

Info

Publication number
FR979169A
FR979169A FR979169DA FR979169A FR 979169 A FR979169 A FR 979169A FR 979169D A FR979169D A FR 979169DA FR 979169 A FR979169 A FR 979169A
Authority
FR
France
Prior art keywords
recorders
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.)
CHARLES BEAUDOUIN ETS
Original Assignee
CHARLES BEAUDOUIN ETS
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 CHARLES BEAUDOUIN ETS filed Critical CHARLES BEAUDOUIN ETS
Application granted granted Critical
Publication of FR979169A publication Critical patent/FR979169A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • G01R13/06—Modifications for recording transient disturbances, e.g. by starting or accelerating a recording medium
FR979169D 1948-12-02 1948-12-02 Improvements to recorders Expired FR979169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979169T 1948-12-02

Publications (1)

Publication Number Publication Date
FR979169A true FR979169A (en) 1951-04-23

Family

ID=9521002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979169D Expired FR979169A (en) 1948-12-02 1948-12-02 Improvements to recorders

Country Status (1)

Country Link
FR (1) FR979169A (en)

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