FR771351A - Electric lamp - Google Patents

Electric lamp

Info

Publication number
FR771351A
FR771351A FR771351DA FR771351A FR 771351 A FR771351 A FR 771351A FR 771351D A FR771351D A FR 771351DA FR 771351 A FR771351 A FR 771351A
Authority
FR
France
Prior art keywords
electric lamp
lamp
electric
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR771351A publication Critical patent/FR771351A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/56—Shape of the separate part
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Interface Circuits In Exchanges (AREA)
FR771351D 1933-04-08 1934-04-07 Electric lamp Expired FR771351A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE771351X 1933-04-08
DE779425X 1934-07-12
DES114704D DE662773C (en) 1933-04-08 1934-07-13 Circuit arrangement for telephone systems with main and sub-offices and dialer operation

Publications (1)

Publication Number Publication Date
FR771351A true FR771351A (en) 1934-10-06

Family

ID=27207413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771351D Expired FR771351A (en) 1933-04-08 1934-04-07 Electric lamp

Country Status (2)

Country Link
DE (1) DE662773C (en)
FR (1) FR771351A (en)

Also Published As

Publication number Publication date
DE662773C (en) 1938-07-21

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