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Class Information
Number: 327/100
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating
Description: Subject matter wherein (a) an inherent input signal parameter such as phase, frequency, amplitude, or current is modified, maintained at some value, or changed to an entirely different parameter, (b) an input signal having a particular waveform is modified into an output signal having a partially or completely different waveform, or (c) an output signal of specified waveform is produced.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 327/306 |
Amplitude control |
403 |
| 327/124 |
By periodic switching (e.g., chopper, etc.) |
142 |
| 327/291 |
Clock or pulse waveform generating |
796 |
| 327/101 |
Converting input current or voltage to output frequency |
145 |
| 327/102 |
Converting input frequency to output current or voltage |
108 |
| 327/103 |
Converting input voltage to output current or vice versa |
326 |
| 327/104 |
Converting, per se, of an ac input to corresponding dc at an unloaded output |
123 |
| 327/108 |
Current driver |
1,778 |
| 327/182 |
Delay line or capacitor storage element charged or discharged through or by a relaxation oscillator type circuit to form pulse |
30 |
| 327/183 |
Delay line or capacitor storage element charges or discharges through a tube to form pulse |
45 |
| 327/181 |
Electromagnetic pulse forming |
80 |
| 327/113 |
Frequency or repetition rate conversion or control |
497 |
| 327/125 |
Generating parabolic or hyperbolic output |
19 |
| 327/164 |
Generating rectangular (e.g., clock, etc.) or pulse waveform having random characteristic (e.g., random width, etc.) |
90 |
| 327/131 |
Generating sawtooth or triangular output |
174 |
| 327/129 |
Generating sinusoidal output |
126 |
| 327/126 |
Generating staircase output |
68 |
| 327/130 |
Generating trapezoidal output |
39 |
| 327/261 |
Having specific delay in producing output waveform |
443 |
| 327/171 |
Output pulses having opposite polarities |
65 |
| 327/185 |
Particular stable state circuit (e.g., tristable, etc.) |
88 |
| 327/231 |
Phase shift by less than period of input |
295 |
| 327/178 |
Rectangular (e.g., clock, etc.) or pulse waveform amplitude control |
89 |
| 327/184 |
Rectangular (e.g., clock, etc.) or pulse waveform generating by conversion from input ac (e.g., sine, etc.) wave |
64 |
| 327/172 |
Rectangular (e.g., clock, etc.) or pulse waveform width control |
632 |
| 327/165 |
Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform |
222 |
| 327/170 |
Slope control of leading or trailing edge of rectangular (e.g., clock, etc.) or pulse waveform |
627 |
| 327/141 |
Synchronizing |
817 |
| 327/105 |
Synthesizer |
457 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623582 |
Apparatus and method for estimating start of frame |
Nov. 24, 2009 |
| 7596166 |
Integrated circuit device including a spectrum spread clock generator, method for controlling the device, and ink-jet recording apparatus including the device |
Sep. 29, 2009 |
| 7583734 |
Two-wire type data communication method and system, controller and data recording apparatus |
Sep. 1, 2009 |
| 7576573 |
Wave shaping output driver to adjust slew rate and/or pre-emphasis of an output signal |
Aug. 18, 2009 |
| 7542516 |
Synchronization method for symbol boundary detection in UWB-OFDM |
Jun. 2, 2009 |
| 7539243 |
Method and system for low-power integrating decision feedback equalizer with fast switched-capacitor feed forward path |
May. 26, 2009 |
| 7535970 |
Wireless communication apparatus and method for multiple transmit and receive antenna system using multiple codes |
May. 19, 2009 |
| 7519130 |
Front end interface for data receiver |
Apr. 14, 2009 |
| 7492193 |
Driver circuit |
Feb. 17, 2009 |
| 7477080 |
Current loop powered isolator and method |
Jan. 13, 2009 |
| 7462956 |
High efficiency NLTL comb generator using time domain waveform synthesis technique |
Dec. 9, 2008 |
| 7460792 |
Receiving circuit and electronic apparatus for optical communication |
Dec. 2, 2008 |
| 7424046 |
Spread spectrum clock signal generation system and method |
Sep. 9, 2008 |
| 7423460 |
Sine wave shaper with very low total harmonic distortion |
Sep. 9, 2008 |
| 7408392 |
PWM-to-voltage converter circuit and method |
Aug. 5, 2008 |
| 7405255 |
Solutions and dispersions of organic semiconductors |
Jul. 29, 2008 |
| 7368923 |
Time interval trimmed differential capacitance sensor |
May. 6, 2008 |
| 7365577 |
Noise waveform generator with spectrum control |
Apr. 29, 2008 |
| 7320081 |
Clock-signal generation device, communication device, and semiconductor device |
Jan. 15, 2008 |
| 7290155 |
Method, system, and apparatus for dynamically configuring the operating point utilized for thermal management of an integrated circuit |
Oct. 30, 2007 |
| 7279941 |
Voltage-frequency conversion apparatus and method of changing reference voltage thereof |
Oct. 9, 2007 |
| 7262640 |
Voltage-frequency conversion apparatus |
Aug. 28, 2007 |
| 7250806 |
Apparatus and method for generating an output signal that tracks the temperature coefficient of a light source |
Jul. 31, 2007 |
| 7231266 |
Digital control device and program |
Jun. 12, 2007 |
| 7215040 |
Half-bridge converter with zero-voltage switching and snubber |
May. 8, 2007 |
| 7215162 |
Start signal outputting circuit |
May. 8, 2007 |
| 7215161 |
Wave shaping output driver to adjust slew rate and/or pre-emphasis of an output signal |
May. 8, 2007 |
| 7202709 |
Waveform output device and drive device |
Apr. 10, 2007 |
| 7199622 |
Interleaving control type inverter |
Apr. 3, 2007 |
| 7187917 |
Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer |
Mar. 6, 2007 |
| 7176735 |
Wave-shaping circuit |
Feb. 13, 2007 |
| 7167025 |
Non-sequentially configurable IC |
Jan. 23, 2007 |
| 7157943 |
Frequency selection of switch mode power converters via softstart voltage level |
Jan. 2, 2007 |
| 7134035 |
Method for generating a synchronization signal based on the clock ratio between two clock domains for data transfer between the domains |
Nov. 7, 2006 |
| 7106108 |
Semiconductor integrated circuit and evaluation method of wiring in the same |
Sep. 12, 2006 |
| 7093153 |
Method and apparatus for lowering bus clock frequency in a complex integrated data processing system |
Aug. 15, 2006 |
| 7088311 |
Current generating circuit, semiconductor integrated circuit, electro-optical device, and electronic apparatus |
Aug. 8, 2006 |
| 7085702 |
Method and system for modeling and automatically generating an embedded system from a system-level environment |
Aug. 1, 2006 |
| 7072409 |
Space multiplex radio communication method and radio communication apparatus |
Jul. 4, 2006 |
| 7062231 |
Direct modulation transmitter utilizing signals squaring |
Jun. 13, 2006 |
| 7039821 |
Hardware for configuring and delivering power |
May. 2, 2006 |
| 6980602 |
Normalization of equalizer soft output for channels with varying noise power |
Dec. 27, 2005 |
| 6980779 |
RF transmitter using digital-to-RF conversion |
Dec. 27, 2005 |
| 6933759 |
Systems and methods of performing duty cycle control |
Aug. 23, 2005 |
| 6928572 |
Multistage clock delay circuit and method |
Aug. 9, 2005 |
| 6925170 |
Wire-bound telecommunication device and a circuit for use in such a device |
Aug. 2, 2005 |
| 6922088 |
Self-determining electronic control circuit |
Jul. 26, 2005 |
| 6917223 |
Gaussian noise generator |
Jul. 12, 2005 |
| 6915442 |
Precision-controlled duty cycle clock circuit |
Jul. 5, 2005 |
| 6900670 |
Current-controlled CMOS logic family |
May. 31, 2005 |
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