Oscillator-modulator apparatus and method therefor

Details Oscillator-modulator apparatus and method therefor Oscillator-modulator apparatus and method therefor

1977-07-25

1979-05-01

Kominski, John

Oscillators

With outer casing or housing

331117R, 332 16T, 361399, 174 52R, 273DIG28, H02B 102

Patent

active

041526716

ABSTRACT:
A radio frequency oscillator-modulator for use in a video game includes a folded metal shield box having a slot on one of its ends in which a similarly slotted printed circuit board containing the oscillator and modulator is mated with. Circuitry of the oscillator and modulator provides for great linearity and low R.F. radiation. The slot arrangement provides for effective grounding of the ground metallization of the external portion of the printed circuit board which contains the radio frequency output terminal along with the various input terminals. This portion contains ground metallization which makes very effective electrical contact with the slot of the shield box thus again containing R.F. radiation.

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