US PATENT SUBCLASS 331 / 184
HAVING DISCHARGED DEVICE OR PARTICULAR CONSTRUCTION


Current as of: June, 1999
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331 /   HD   OSCILLATORS

184HAVING DISCHARGED DEVICE OR PARTICULAR CONSTRUCTION


DEFINITION

Classification: 331/184

(under the class definition) Subject matter wherein the active element of the oscillator comprises a discharge device of unconventional and unique construction not provided in any preceding subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78, for electrical noise or random wave generator which may utilize discharge devices of unconventional structure.

86+, for oscillators with magnetically controlled space discharge devices (e.g., magnetron).

79+, for beam tube oscillators.

92, for retarding field type oscillators which may utilize discharge devices of unconventional structure.

94, for molecular or particle resonant type oscillator. 103, for oscillators where tube structure forms inductive part of the resonant circuit.

104, for transit time oscillators utilizing discharge devices which may be of unconventional structure.

107+, for oscillators utilizing solid state active elements.

126+, for oscillators utilizing gaseous space discharge devices.

132+, for negative resistance or transconductance type

oscillators which may utilize space discharge devices of unconventional structure.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices, appropriate subclasses, for particular space discharge device structures.

315, Electric Lamp and Discharge Devices: Systems, particularly

3+, for combined cathode-ray tube and circuit element structure, and subclasses 32+ for combined discharge device or discharge device temperature modifying means and electric circuit device structure.