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
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)
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 (de) | 1970-11-23 |
Family
ID=25245184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7007226A NL7007226A (de) | 1969-05-19 | 1970-05-19 |
Country Status (2)
| Country | Link |
|---|---|
| NL (1) | NL7007226A (de) |
| ZA (1) | ZA702338B (de) |
-
1970
- 1970-04-08 ZA ZA702338A patent/ZA702338B/xx unknown
- 1970-05-19 NL NL7007226A patent/NL7007226A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA702338B (en) | 1971-01-27 |