FR1110421A - Improvement in electrical contacts - Google Patents
Improvement in electrical contactsInfo
- Publication number
- FR1110421A FR1110421A FR1110421DA FR1110421A FR 1110421 A FR1110421 A FR 1110421A FR 1110421D A FR1110421D A FR 1110421DA FR 1110421 A FR1110421 A FR 1110421A
- Authority
- FR
- France
- Prior art keywords
- improvement
- electrical contacts
- contacts
- electrical
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
- G10K9/15—Self-interrupting arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1110421T | 1954-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1110421A true FR1110421A (en) | 1956-02-13 |
Family
ID=9626183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1110421D Expired FR1110421A (en) | 1954-08-30 | 1954-08-30 | Improvement in electrical contacts |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1110421A (en) |
-
1954
- 1954-08-30 FR FR1110421D patent/FR1110421A/en not_active Expired
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