H04L27/125 - CPC Classification Index

ClassID:

225935 ⎘

H04L27/125 - CPC Classification

Classification description:

Modulated-carrier systems; Frequency-modulated carrier systems, i.e. using frequency-shift keying; Modulator circuits; Transmitter circuits using a controlled oscillator in an open loop

Recent Application in this class:

20260121895

2026-04-30

System And Method for Multiple Supply IQ Sharing in Digital to Analog Signal Conversion

20250109967

2025-04-03

TRIM CIRCUIT AND METHOD OF OSCILLATOR DRIVE CIRCUIT PHASE CALIBRATION

20220326044

2022-10-13

Trim circuit and method of oscillator drive circuit phase calibration

20220245980

2022-08-04

Automobile key programmer and automobile diagnostic instrument

20190007245

2019-01-03

Temperature-stable FBAR transmitter

20180191489

2018-07-05

Digital phase locked loop frequency estimation

20170237588

2017-08-17

Signal processing apparatus and method

20160301552

2016-10-13

Ultra wideband radio frequency transmission system

20160156489

2016-06-02

Millimeter-wave modulation device

#10

20150280949

2015-10-01

Method and apparatus for generating a proof-mass drive signal

#11

20090154621

2009-06-18

MIMO-adapted distributed antenna system

#12

20080192855

2008-08-14

MIMO-adapted distributed antenna system

#13

16033671

2021-11-09

Increasing yield and operating temperature range of transmitters

#14

15237623

2018-10-09

Temperature-stable FBAR transmitter