IT940916B - Perfezionamento negli indicatori elettromagnetici - Google Patents
Perfezionamento negli indicatori elettromagneticiInfo
- Publication number
- IT940916B IT940916B IT52892/71A IT5289271A IT940916B IT 940916 B IT940916 B IT 940916B IT 52892/71 A IT52892/71 A IT 52892/71A IT 5289271 A IT5289271 A IT 5289271A IT 940916 B IT940916 B IT 940916B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- electromagnetic indicators
- indicators
- electromagnetic
- Prior art date
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
- G08B5/24—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7371570A | 1970-09-21 | 1970-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT940916B true IT940916B (it) | 1973-02-20 |
Family
ID=22115357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52892/71A IT940916B (it) | 1970-09-21 | 1971-09-15 | Perfezionamento negli indicatori elettromagnetici |
Country Status (6)
Country | Link |
---|---|
US (1) | US3704462A (de) |
CA (1) | CA939009A (de) |
DE (1) | DE2146659C3 (de) |
FR (1) | FR2107838B1 (de) |
GB (1) | GB1302820A (de) |
IT (1) | IT940916B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197527A (en) * | 1975-05-09 | 1980-04-08 | Romney Russell H | Comprehensive information display system |
US4115769A (en) * | 1977-06-02 | 1978-09-19 | General Time Corporation | Damping means for indicators |
EP0073842B1 (de) * | 1981-08-27 | 1986-03-26 | Friedrich Merk-Telefonbau GmbH | Bistabile elektromagnetische Schauzeichen |
US4661813A (en) * | 1985-01-18 | 1987-04-28 | Minelco, Inc. | Magnetic latching and damping for electromagnetic indicators |
SE453618B (sv) * | 1985-08-15 | 1988-02-15 | Asea Ab | Anordning for aterstellning av indikeringsdon |
DE4029335A1 (de) * | 1990-09-15 | 1992-03-19 | Philips Patentverwaltung | Schaltungsanordnung zum kommutieren eines reluktanzmotors |
US7741941B2 (en) * | 2006-11-30 | 2010-06-22 | Honeywell International Inc. | Dual armature solenoid valve assembly |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245493A (en) * | 1941-06-10 | Electric indicating means | ||
US2367299A (en) * | 1942-03-10 | 1945-01-16 | Int Standard Electric Corp | Magnetic signal |
US3185979A (en) * | 1961-12-22 | 1965-05-25 | Lewis Eng Co | Electrical indicator device |
US3210758A (en) * | 1962-06-14 | 1965-10-05 | American Radiator & Standard | Electromagnetically operated indicator |
US3406388A (en) * | 1965-09-28 | 1968-10-15 | Miniature Elect Components | Electromagnetic indicator having permanent magnet mounted on rotating shaft |
US3487403A (en) * | 1965-10-06 | 1969-12-30 | Miniature Elect Components | Electromagnetic indicator having rotating spheres |
US3451055A (en) * | 1966-06-15 | 1969-06-17 | Miniature Elect Components | Electromagnetic indicator having control magnets as stop members |
US3573811A (en) * | 1966-08-08 | 1971-04-06 | William A Knecht | Magnetically operated two position electrical indicator |
US3465333A (en) * | 1967-07-31 | 1969-09-02 | Miniature Elect Components | Electromagnetic indicator having plural magnetically interacting indicator elements |
US3573812A (en) * | 1967-11-06 | 1971-04-06 | Miniature Elect Components | Electromagnetic indicator |
-
1970
- 1970-09-21 US US73715A patent/US3704462A/en not_active Expired - Lifetime
-
1971
- 1971-08-31 GB GB4056171A patent/GB1302820A/en not_active Expired
- 1971-08-31 CA CA121803A patent/CA939009A/en not_active Expired
- 1971-09-15 IT IT52892/71A patent/IT940916B/it active
- 1971-09-17 DE DE2146659A patent/DE2146659C3/de not_active Expired
- 1971-09-20 FR FR7133773A patent/FR2107838B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2146659A1 (de) | 1972-03-23 |
US3704462A (en) | 1972-11-28 |
CA939009A (en) | 1973-12-25 |
FR2107838A1 (de) | 1972-05-12 |
GB1302820A (de) | 1973-01-10 |
DE2146659B2 (de) | 1974-03-21 |
DE2146659C3 (de) | 1974-10-24 |
FR2107838B1 (de) | 1975-04-18 |
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