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Class Information
Number: 327/325
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Amplitude control > By limiting, clipping, or clamping > Using only diode active elements
Description: Subject matter wherein the limiting, clipping, or clamping utilizes a two-terminal unidirectionally conductive device as the sole active circuit device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7443225 |
Thermally stable semiconductor power device |
Oct. 28, 2008 |
| 7279952 |
Voltage clamp circuit with reduced I/O capacitance |
Oct. 9, 2007 |
| 7199636 |
Active diode |
Apr. 3, 2007 |
| 6919774 |
Broadband PIN diode attenuator bias network |
Jul. 19, 2005 |
| 6859084 |
Low-power voltage modulation circuit for pass devices |
Feb. 22, 2005 |
| 6777996 |
Radio frequency clamping circuit |
Aug. 17, 2004 |
| 6734715 |
Two terminal rectifier using normally off JFET |
May. 11, 2004 |
| 6639444 |
Protection circuit |
Oct. 28, 2003 |
| 6636118 |
High-frequency power amplification module and radio communication device |
Oct. 21, 2003 |
| 6597228 |
Diode-rectifier with non-linear load resistance |
Jul. 22, 2003 |
| 6598171 |
Integrated circuit I/O using a high performance bus interface |
Jul. 22, 2003 |
| 6566936 |
Two terminal rectifier normally OFF JFET |
May. 20, 2003 |
| 6414532 |
Gate ground circuit approach for I/O ESD protection |
Jul. 2, 2002 |
| 6414363 |
Semiconductor device with power cutting transistors |
Jul. 2, 2002 |
| 6411155 |
Power integrated circuit |
Jun. 25, 2002 |
| 6388516 |
Precision high speed magnetic coil driver circuit |
May. 14, 2002 |
| 6255886 |
Method for protecting an integrated circuit during burn-in testing |
Jul. 3, 2001 |
| 6222412 |
Circuit for controlling waveform distortion at a control terminal of a radio frequency transistor |
Apr. 24, 2001 |
| 6218882 |
Diode circuit for clamping the signals on a transmission line to a predetermined potential |
Apr. 17, 2001 |
| 6181193 |
Using thick-oxide CMOS devices to interface high voltage integrated circuits |
Jan. 30, 2001 |
| 6169426 |
Back bias voltage level detector |
Jan. 2, 2001 |
| 6130812 |
Protection circuit for high speed communication |
Oct. 10, 2000 |
| 6081151 |
Electronically controlled variable attenuator |
Jun. 27, 2000 |
| 6057725 |
Protection circuit for use during burn-in testing |
May. 2, 2000 |
| 6043868 |
Distance measurement and ranging instrument having a light emitting diode-based transmitter |
Mar. 28, 2000 |
| 6028465 |
ESD protection circuits |
Feb. 22, 2000 |
| 6025746 |
ESD protection circuits |
Feb. 15, 2000 |
| 5977823 |
Semiconductor amplifier circuit |
Nov. 2, 1999 |
| 5920206 |
Differential ECL |
Jul. 6, 1999 |
| 5914626 |
Voltage clamping circuit for semiconductor devices |
Jun. 22, 1999 |
| 5903028 |
Static and monolithic current limiter and circuit-breaker |
May. 11, 1999 |
| 5867514 |
Laser wavelength control circuit having automatic DC offset and gain adjustment |
Feb. 2, 1999 |
| 5834962 |
Level shift circuit and voltage controlled oscillation circuit using the same |
Nov. 10, 1998 |
| 5804993 |
Detecting circuit |
Sep. 8, 1998 |
| 5790244 |
Pre-biasing technique for a transistor based avalanche circuit in a laser based distance measurement and ranging instrument |
Aug. 4, 1998 |
| 5786721 |
Pulse-shaping circuit |
Jul. 28, 1998 |
| 5767724 |
Electronic clamping circuit |
Jun. 16, 1998 |
| 5726598 |
Semiconductor device having voltage sensing element |
Mar. 10, 1998 |
| 5714900 |
Electrical overstress protection device |
Feb. 3, 1998 |
| 5701060 |
On-chip high frequency damping for laser diode driver chips |
Dec. 23, 1997 |
| 5663671 |
Electronic circuit including operational amplifier and clamping circuit |
Sep. 2, 1997 |
| 5578956 |
Circuit for limiting the maximum current value supplied to a load by a power MOS at power-up |
Nov. 26, 1996 |
| 5465068 |
Excitation stage of a transmission tube for short-wave transmitter |
Nov. 7, 1995 |
| 5391931 |
Protection of integrated circuit devices |
Feb. 21, 1995 |
| 5378937 |
Equalizer for optical communication systems |
Jan. 3, 1995 |
| 5123732 |
Optical time domain reflectometer and current voltage converter for use therein |
Jun. 23, 1992 |
| 5003195 |
Pin diode attenuator RF pulse generator with pulse rise and fall time control |
Mar. 26, 1991 |
| 4967099 |
Low level clamp circuit |
Oct. 30, 1990 |
| 4952795 |
Current limiter and an optical receiver making use thereof |
Aug. 28, 1990 |
| 4885484 |
Voltage clamped differential to single ended converter circuit |
Dec. 5, 1989 |
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