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FR679360A - Rheostats improvements - Google Patents

Rheostats improvements

Info

Publication number
FR679360A
FR679360A FR679360DA FR679360A FR 679360 A FR679360 A FR 679360A FR 679360D A FR679360D A FR 679360DA FR 679360 A FR679360 A FR 679360A
Authority
FR
France
Prior art keywords
rheostats
rheostats improvements
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.)
BERTRAND PERE ET FILS SOC
Original Assignee
BERTRAND PERE ET FILS SOC
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 BERTRAND PERE ET FILS SOC filed Critical BERTRAND PERE ET FILS SOC
Application granted granted Critical
Publication of FR679360A publication Critical patent/FR679360A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
    • H01C10/12—Adjustable resistors adjustable by mechanical pressure or force by changing surface pressure between resistive masses or resistive and conductive masses, e.g. pile type

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR679360D 1928-12-11 1928-12-11 Rheostats improvements Expired FR679360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR679360T 1928-12-11

Publications (1)

Publication Number Publication Date
FR679360A true FR679360A (en) 1930-04-11

Family

ID=9021632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679360D Expired FR679360A (en) 1928-12-11 1928-12-11 Rheostats improvements

Country Status (1)

Country Link
FR (1) FR679360A (en)

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