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Publication of BE495531ApublicationCriticalpatent/BE495531A/xx
H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
H03B13/00—Generation of oscillations using deflection of electron beam in a cathode-ray tube
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
B61G1/00—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means