BE632237A - - Google Patents
Info
- Publication number
- BE632237A BE632237A BE632237DA BE632237A BE 632237 A BE632237 A BE 632237A BE 632237D A BE632237D A BE 632237DA BE 632237 A BE632237 A BE 632237A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
- B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
- H03K3/05—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback
- H03K3/06—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/08—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/543—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a vacuum tube
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR822721A FR1260650A (fr) | 1960-03-29 | 1960-03-29 | Perfectionnements aux machines d'usinage par étincelage |
FR897551A FR81645E (fr) | 1960-03-29 | 1962-05-15 | Perfectionnements aux machines d'usinage par étincelage |
Publications (1)
Publication Number | Publication Date |
---|---|
BE632237A true BE632237A (da) |
Family
ID=26185473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE632237D BE632237A (da) | 1960-03-29 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE632237A (da) |
CH (2) | CH372114A (da) |
DE (1) | DE1299499B (da) |
FR (1) | FR81645E (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2104327B (en) * | 1981-08-08 | 1984-12-19 | Marconi Co Ltd | Pulse circuits |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE498151C (de) * | 1927-03-06 | 1930-05-19 | Siemens Schuckertwerke Akt Ges | Doppelspule von ungerader Windungszahl fuer Transformatoren mit Scheibenwicklung |
GB789442A (en) * | 1953-06-22 | 1958-01-22 | Sparcatron Ltd | Improvements in or relating to apparatus for cutting or working electrically conductive materials |
US2835784A (en) * | 1954-07-21 | 1958-05-20 | Firth Sterling Inc | Spark machining apparatus |
NL199986A (da) * | 1954-10-01 |
-
0
- BE BE632237D patent/BE632237A/xx unknown
-
1961
- 1961-03-25 DE DE1961M0048516 patent/DE1299499B/de active Pending
- 1961-03-29 CH CH374861A patent/CH372114A/fr unknown
-
1962
- 1962-05-15 FR FR897551A patent/FR81645E/fr not_active Expired
-
1963
- 1963-05-14 CH CH602063A patent/CH414032A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CH414032A (fr) | 1966-05-31 |
DE1299499B (de) | 1969-07-17 |
CH372114A (fr) | 1963-09-30 |
FR81645E (fr) | 1963-10-18 |