FR1110421A - Improvement in electrical contacts - Google Patents

Improvement in electrical contacts

Info

Publication number
FR1110421A
FR1110421A FR1110421DA FR1110421A FR 1110421 A FR1110421 A FR 1110421A FR 1110421D A FR1110421D A FR 1110421DA FR 1110421 A FR1110421 A FR 1110421A
Authority
FR
France
Prior art keywords
improvement
electrical contacts
contacts
electrical
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
Francois Reecht
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 filed Critical
Application granted granted Critical
Publication of FR1110421A publication Critical patent/FR1110421A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • G10K9/15—Self-interrupting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1110421D 1954-08-30 1954-08-30 Improvement in electrical contacts Expired FR1110421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1110421T 1954-08-30

Publications (1)

Publication Number Publication Date
FR1110421A true FR1110421A (en) 1956-02-13

Family

ID=9626183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1110421D Expired FR1110421A (en) 1954-08-30 1954-08-30 Improvement in electrical contacts

Country Status (1)

Country Link
FR (1) FR1110421A (en)

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