FR672368A - Perfectionnements aux relais et autres dispositifs et machines électro-magnétiques - Google Patents
Perfectionnements aux relais et autres dispositifs et machines électro-magnétiquesInfo
- Publication number
- FR672368A FR672368A FR672368DA FR672368A FR 672368 A FR672368 A FR 672368A FR 672368D A FR672368D A FR 672368DA FR 672368 A FR672368 A FR 672368A
- Authority
- FR
- France
- Prior art keywords
- relays
- electro
- machines
- magnetic devices
- magnetic
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB12160/28A GB315496A (en) | 1928-04-25 | 1928-04-25 | Improvements relating to relays and other electromagnetic instruments and machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR672368A true FR672368A (fr) | 1929-12-27 |
Family
ID=9999432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR672368D Expired FR672368A (fr) | 1928-04-25 | 1929-03-30 | Perfectionnements aux relais et autres dispositifs et machines électro-magnétiques |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1826990A (forum.php) |
| DE (1) | DE607203C (forum.php) |
| FR (1) | FR672368A (forum.php) |
| GB (1) | GB315496A (forum.php) |
| NL (1) | NL29387C (forum.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2491098A (en) * | 1940-10-14 | 1949-12-13 | Gen Railway Signal Co | Polar biased relay |
| DE761496C (de) * | 1941-04-19 | 1954-10-04 | Johannes Bohmeyer | Elektrisches Nebenuhrwerk mit durch Stromstoesse wechselnder Polaritaet schrittweisefortschaltbarem Anker |
| US2716232A (en) * | 1950-10-25 | 1955-08-23 | Bell Telephone Labor Inc | Flux modulated ringer |
| NL178634B (nl) * | 1952-05-29 | Philips Nv | Inrichting voor het detecteren van ongewenste signaalcombinaties van twee signaallampen bij verkeerslichten. | |
| BE538941A (forum.php) * | 1954-06-14 | |||
| GB793825A (en) * | 1955-11-08 | 1958-04-23 | Telephone Mfg Co Ltd | Improvements relating to polarised electromagnetic devices |
| US3058038A (en) * | 1959-11-20 | 1962-10-09 | Weston Hydraulics Ltd | Torque motor with null balance |
-
0
- NL NL29387D patent/NL29387C/xx active
-
1928
- 1928-04-25 GB GB12160/28A patent/GB315496A/en not_active Expired
-
1929
- 1929-03-30 FR FR672368D patent/FR672368A/fr not_active Expired
- 1929-04-04 US US352494A patent/US1826990A/en not_active Expired - Lifetime
- 1929-04-04 DE DEC42877D patent/DE607203C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE607203C (de) | 1934-12-19 |
| NL29387C (forum.php) | |
| GB315496A (en) | 1929-07-18 |
| US1826990A (en) | 1931-10-13 |
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