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Filing date
Publication date
Application filedfiledCritical
Publication of BE644932ApublicationCriticalpatent/BE644932A/xx
H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
H03K17/28—Modifications for introducing a time delay before switching
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K11/00—Resistance welding; Severing by resistance heating
B23K11/24—Electric supply or control circuits therefor
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K9/00—Arc welding or cutting
B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
B23K9/1081—Arc welding by means of accumulated energy