BE425740A - - Google Patents
Info
- Publication number
- BE425740A BE425740A BE425740DA BE425740A BE 425740 A BE425740 A BE 425740A BE 425740D A BE425740D A BE 425740DA BE 425740 A BE425740 A BE 425740A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
- F16B39/286—Locking by means of elastic deformation caused by saw cuts
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/542—Replacing by standby devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Optical Communication System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE484287X | 1916-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425740A true BE425740A (OSRAM) |
Family
ID=6543096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425740D BE425740A (OSRAM) | 1937-01-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE425740A (OSRAM) |
| FR (2) | FR484287A (OSRAM) |
| GB (1) | GB484287A (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE896061C (de) * | 1938-03-04 | 1953-11-09 | Int Standard Electric Corp | Anordnung zum automatischen Umschalten eines Hauptverstaerkers auf einen Ersatzverstaerker bei elektrischen Fernmeldesystemen |
| NL77626C (OSRAM) * | 1947-01-24 | 1900-01-01 | ||
| US2773944A (en) * | 1950-08-08 | 1956-12-11 | Bendix Aviat Corp | Amplifying system with stand-by channel |
| BE510734A (OSRAM) * | 1951-04-19 | |||
| NL205669A (OSRAM) * | 1956-03-22 | 1900-01-01 | ||
| US3072858A (en) * | 1959-07-22 | 1963-01-08 | Sperry Rand Corp | Redundant amplifier failure alarm |
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0
- BE BE425740D patent/BE425740A/xx unknown
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1917
- 1917-01-19 FR FR484287D patent/FR484287A/fr not_active Expired
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1938
- 1938-01-12 FR FR831986D patent/FR831986A/fr not_active Expired
- 1938-01-13 GB GB1195/38A patent/GB484287A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB484287A (en) | 1938-05-03 |
| FR831986A (fr) | 1938-09-16 |
| FR484287A (fr) | 1917-09-18 |