FR2137173A1 - Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload - Google Patents

Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload

Info

Publication number
FR2137173A1
FR2137173A1 FR7117576A FR7117576A FR2137173A1 FR 2137173 A1 FR2137173 A1 FR 2137173A1 FR 7117576 A FR7117576 A FR 7117576A FR 7117576 A FR7117576 A FR 7117576A FR 2137173 A1 FR2137173 A1 FR 2137173A1
Authority
FR
France
Prior art keywords
multivibrator
transistor
power supply
protection against
output
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.)
Granted
Application number
FR7117576A
Other languages
English (en)
French (fr)
Other versions
FR2137173B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OSTENG LOUIS
Original Assignee
OSTENG LOUIS
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.)
Filing date
Publication date
Application filed by OSTENG LOUIS filed Critical OSTENG LOUIS
Priority to FR7117576A priority Critical patent/FR2137173A1/fr
Publication of FR2137173A1 publication Critical patent/FR2137173A1/fr
Application granted granted Critical
Publication of FR2137173B1 publication Critical patent/FR2137173B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Arc Welding Control (AREA)
FR7117576A 1971-05-14 1971-05-14 Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload Granted FR2137173A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7117576A FR2137173A1 (en) 1971-05-14 1971-05-14 Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7117576A FR2137173A1 (en) 1971-05-14 1971-05-14 Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload

Publications (2)

Publication Number Publication Date
FR2137173A1 true FR2137173A1 (en) 1972-12-29
FR2137173B1 FR2137173B1 (enExample) 1973-05-11

Family

ID=9077077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117576A Granted FR2137173A1 (en) 1971-05-14 1971-05-14 Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload

Country Status (1)

Country Link
FR (1) FR2137173A1 (enExample)

Also Published As

Publication number Publication date
FR2137173B1 (enExample) 1973-05-11

Similar Documents

Publication Publication Date Title
SE7709883L (sv) Generator for elerosiv bearbetning
FR2137173A1 (en) Spark erosion machine - with multivibrator and power supply stages having automatic protection against overload
GB1403249A (en) High-voltage electric switching circuits
CA937284A (en) Remote-control type power source switching circuit
SU425332A1 (ru) Двухканальный формирователь импульсов
GB881127A (en) Improvements in or relating to transistor circuits
JPS5271992A (en) Programmable monolithic circuit system
JPS52117025A (en) Electric power unit of digital circuit
IT1039159B (it) Isolanti elettrici aventi una resistenza accresciuta contro le scariche parziali
CA669033A (en) Pulse circuit including tunnel diodes
CA598514A (en) Electrical pulse generating circuit arrangements
CA623225A (en) Saw tooth wave generators
JPS529358A (en) Transistor circuit device
DK113447B (da) Drivkreds til overføring af strømimpulser med stor frekvens.
CA919773A (en) Direct current power supply having time delay current limit circuit
AU264191B2 (en) Pulse circuit including tunnel diodes
CA656522A (en) Per pulse cut-off circuit
CA858740A (en) Monolithic circuit including complementary bipolar transistors
AU289566B2 (en) Power level monitoring circuit
CA590047A (en) Electrical pulse slicing arrangements
CA904405A (en) Step input responsive output pulse generation circuit
CA673734A (en) Pulse-count threshold control circuit
AU275693B2 (en) An improved hole saw construction
CA896787A (en) High voltage bipolar semiconductor device and integrated circuit using the same and method
AU985161A (en) Pulse circuit including tunnel diodes

Legal Events

Date Code Title Description
ST Notification of lapse