H03C

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Description

MODULATION (measuring, testing G01R; masers, lasers H01S; modulators specially adapted for use in dc amplifiers H03F 3/38; modulating pulses H03K 7/00; so-called modulators capable only of switching between predetermined states of amplitude, frequency or phase H03K 17/00, H04L; coding, decoding or code conversion, in general H03M; synchronous modulators specially adapted for colour television H04N 9/65)

Subclasses

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Subclass Title
1/00 Amplitude modulation (H03C 5/00, H03C 7/00 take precedence)
1/02 Amplitude modulation (H03C 5/00, H03C 7/00 take precedence) Details
1/04 Amplitude modulation (H03C 5/00, H03C 7/00 take precedence) Details Means in, or combined with, modulating stage for reducing angle modulation
1/06 Amplitude modulation (H03C 5/00, H03C 7/00 take precedence) Details Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
1/08 Amplitude modulation (H03C 5/00, H03C 7/00 take precedence) by means of variable impedance element (H03C 1/28-H03C 1/34, H03C 1/46-H03C 1/52, H03C 1/62 take precedence)

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Recent Patents

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Recent Publications

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Publication #TitleFiling DatePub DatePatent Owner
2018/0013,603 COMBINED AMPLITUDE-TIME AND PHASE MODULATION Sep 25, 17 Jan 11, 18 , Quantumsine Acquisitions Inc.
2018/0006,855 USING COMMON MODE LOCAL OSCILLATOR TERMINATION IN SINGLE-ENDED COMMUTATING CIRCUITS FOR CONVERSION GAIN IMPROVEMENT Jun 29, 16 Jan 04, 18 INTERNATIONAL BUSINESS MACHINES CORPORATION,
2017/0373,825 1-16 & 1.5-7.5 Frequency Divider For Clock Synthesizer In Digital Systems Aug 09, 17 Dec 28, 17 ,

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Patents Issued To Date - By Filing Year

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