BE425740A - - Google Patents

Info

Publication number: BE425740A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1937-01-13

Publication of BE425740A publication Critical patent/BE425740A/xx

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
- 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
- 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
- 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)
Monitoring And Testing Of Transmission In General (AREA)
Optical Communication System (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

BE425740D 1937-01-13 BE425740A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE484287X		1937-01-13

Publications (1)

Publication Number	Publication Date
BE425740A true BE425740A (enrdf_load_html_response)

Family

ID=6543096

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE425740D BE425740A (enrdf_load_html_response)	1937-01-13

Country Status (3)

Country	Link
BE (1)	BE425740A (enrdf_load_html_response)
FR (2)	FR484287A (enrdf_load_html_response)
GB (1)	GB484287A (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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 (enrdf_load_html_response) *	1947-01-24	1900-01-01
US2773944A (en) *	1950-08-08	1956-12-11	Bendix Aviat Corp	Amplifying system with stand-by channel
BE510734A (enrdf_load_html_response) *	1951-04-19
NL97476C (enrdf_load_html_response) *	1956-03-22	1900-01-01
US3072858A (en) *	1959-07-22	1963-01-08	Sperry Rand Corp	Redundant amplifier failure alarm

0
- BE BE425740D patent/BE425740A/xx unknown
1917
- 1917-01-19 FR FR484287D patent/FR484287A/fr not_active Expired
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
FR484287A (fr)	1917-09-18
FR831986A (fr)	1938-09-16
GB484287A (en)	1938-05-03

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