NL7304526A - - Google Patents
Info
- Publication number
- NL7304526A NL7304526A NL7304526A NL7304526A NL7304526A NL 7304526 A NL7304526 A NL 7304526A NL 7304526 A NL7304526 A NL 7304526A NL 7304526 A NL7304526 A NL 7304526A NL 7304526 A NL7304526 A NL 7304526A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electromagnets (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24123272A | 1972-04-05 | 1972-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7304526A true NL7304526A (en:Method) | 1973-10-09 |
Family
ID=22909817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7304526A NL7304526A (en:Method) | 1972-04-05 | 1973-03-31 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3774199A (en:Method) |
| JP (1) | JPS4917698A (en:Method) |
| CA (1) | CA970453A (en:Method) |
| DE (1) | DE2314169A1 (en:Method) |
| FR (1) | FR2179100B1 (en:Method) |
| GB (1) | GB1374066A (en:Method) |
| NL (1) | NL7304526A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902170A (en) * | 1974-02-20 | 1975-08-26 | Ralph D Mcelroy | Fault indicator for electrical circuits |
| JPH0347348U (en:Method) * | 1989-09-09 | 1991-05-01 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1458189A (fr) * | 1965-05-26 | 1966-11-10 | Signaux Entr Electriques | Tableau d'affichage perfectionné |
| US3487403A (en) * | 1965-10-06 | 1969-12-30 | Miniature Elect Components | Electromagnetic indicator having rotating spheres |
| US3425055A (en) * | 1966-11-29 | 1969-01-28 | Miniature Elect Components | Plural magnet latching electromagnetic indicators |
| FR1538124A (fr) * | 1967-09-14 | 1968-08-30 | Plessey Co Ltd | Indicateur électromagnétique |
| US3524358A (en) * | 1969-02-26 | 1970-08-18 | Electrospace Corp | Device for elimination of indicator wheel bounce |
| US3634857A (en) * | 1970-03-24 | 1972-01-11 | Miniature Elect Components | Drum indicator |
-
1972
- 1972-04-05 US US00241232A patent/US3774199A/en not_active Expired - Lifetime
-
1973
- 1973-03-22 DE DE19732314169 patent/DE2314169A1/de active Pending
- 1973-03-31 NL NL7304526A patent/NL7304526A/xx unknown
- 1973-04-02 GB GB1571273A patent/GB1374066A/en not_active Expired
- 1973-04-02 CA CA167,683A patent/CA970453A/en not_active Expired
- 1973-04-03 JP JP48037488A patent/JPS4917698A/ja active Pending
- 1973-04-04 FR FR7312120A patent/FR2179100B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4917698A (en:Method) | 1974-02-16 |
| FR2179100A1 (en:Method) | 1973-11-16 |
| DE2314169A1 (de) | 1973-10-11 |
| GB1374066A (en) | 1974-11-13 |
| FR2179100B1 (en:Method) | 1977-02-04 |
| US3774199A (en) | 1973-11-20 |
| CA970453A (en) | 1975-07-01 |