FR525472A - Device for the use of bells on alternating and direct lighting current - Google Patents

Device for the use of bells on alternating and direct lighting current

Info

Publication number
FR525472A
FR525472A FR525472A FR525472DA FR525472A FR 525472 A FR525472 A FR 525472A FR 525472 A FR525472 A FR 525472A FR 525472D A FR525472D A FR 525472DA FR 525472 A FR525472 A FR 525472A
Authority
FR
France
Prior art keywords
bells
alternating
direct lighting
lighting current
current
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
FR525472A
Other languages
French (fr)
Inventor
Henri-Francois Hannequin
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.)
HENRI FRANCOIS HANNEQUIN
Original Assignee
HENRI FRANCOIS HANNEQUIN
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 HENRI FRANCOIS HANNEQUIN filed Critical HENRI FRANCOIS HANNEQUIN
Application granted granted Critical
Publication of FR525472A publication Critical patent/FR525472A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element
    • H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR525472A 1920-09-30 1920-09-30 Device for the use of bells on alternating and direct lighting current Expired FR525472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR525472T 1920-09-30

Publications (1)

Publication Number Publication Date
FR525472A true FR525472A (en) 1921-09-22

Family

ID=8920091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525472A Expired FR525472A (en) 1920-09-30 1920-09-30 Device for the use of bells on alternating and direct lighting current

Country Status (1)

Country Link
FR (1) FR525472A (en)

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