GB392488A - Portable electric lamp with semi-automatic control - Google Patents

Portable electric lamp with semi-automatic control

Info

Publication number
GB392488A
GB392488A GB700/33A GB70033A GB392488A GB 392488 A GB392488 A GB 392488A GB 700/33 A GB700/33 A GB 700/33A GB 70033 A GB70033 A GB 70033A GB 392488 A GB392488 A GB 392488A
Authority
GB
United Kingdom
Prior art keywords
portable electric
electric lamp
mercury
semi
automatic control
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
GB700/33A
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.)
ROBERT EUGENE HOCHON
Original Assignee
ROBERT EUGENE HOCHON
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 ROBERT EUGENE HOCHON filed Critical ROBERT EUGENE HOCHON
Publication of GB392488A publication Critical patent/GB392488A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/945—Holders with built-in electrical component
    • H01R33/955—Holders with built-in electrical component with switch operated manually and independent of engagement or disengagement of coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/29—Circuits providing for substitution of the light source in case of its failure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

392,488. Mercury switches. LINDET, P., 8, Rue des Maronniers, Paris, and HOCHON, R. E., 65, Rue de Villiers, Neuilly-sur-Seine, both in France. Jan. 9, 1933, No. 700. Convention date, Jan. 9, 1932. [Class 38 (v).] A mercury switch, adapted for use with a portable electric lamp in which various degrees of illumination are obtained according to the placing of the lamp casing on a supporting surface, comprises a dished cap 1, Fig. 2, of ebonite or like insulating material containing a blob of mercury 3 adapted to make contact between a metallic closure plate 2 and any one of three contacts 4, 5, 6. Fig. 1 shows the electrical connections.
GB700/33A 1932-01-09 1933-01-09 Portable electric lamp with semi-automatic control Expired GB392488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR392488X 1932-01-09

Publications (1)

Publication Number Publication Date
GB392488A true GB392488A (en) 1933-05-18

Family

ID=8896184

Family Applications (1)

Application Number Title Priority Date Filing Date
GB700/33A Expired GB392488A (en) 1932-01-09 1933-01-09 Portable electric lamp with semi-automatic control

Country Status (2)

Country Link
DE (1) DE617082C (en)
GB (1) GB392488A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161738A (en) * 1960-05-05 1964-12-15 William D Hall Switch adapted to rest on a table or other flat surface

Also Published As

Publication number Publication date
DE617082C (en) 1935-08-12

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