NL7007226A - - Google Patents

Info

Publication number
NL7007226A
NL7007226A NL7007226A NL7007226A NL7007226A NL 7007226 A NL7007226 A NL 7007226A NL 7007226 A NL7007226 A NL 7007226A NL 7007226 A NL7007226 A NL 7007226A NL 7007226 A NL7007226 A NL 7007226A
Authority
NL
Netherlands
Application number
NL7007226A
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
Priority claimed from US825898A external-priority patent/US3636915A/en
Application filed filed Critical
Publication of NL7007226A publication Critical patent/NL7007226A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/02—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
NL7007226A 1969-05-19 1970-05-19 NL7007226A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US825898A US3636915A (en) 1968-07-25 1969-05-19 Rotary prism display

Publications (1)

Publication Number Publication Date
NL7007226A true NL7007226A (xx) 1970-11-23

Family

ID=25245184

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7007226A NL7007226A (xx) 1969-05-19 1970-05-19

Country Status (2)

Country Link
NL (1) NL7007226A (xx)
ZA (1) ZA702338B (xx)

Also Published As

Publication number Publication date
ZA702338B (en) 1971-01-27

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