Class 327: MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
327
MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS


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Subclass Title
ClassTitle ===> MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS
1[Patents]SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL
2[Patents] . By phase
3[Patents] . . Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.)
4[Patents] . . . With transducer
5[Patents] . . . With input derived from feedback
6[Patents] . . . With electron space discharge
7[Patents] . . . With reference signal
8[Patents] . . . . With varying frequency
9[Patents] . . . . With sampling
10[Patents] . . . . Uniform pulse waveform
11[Patents] . . . . With transformer
12[Patents] . . . With logic or bistable circuit
13[Patents] . By shape
14[Patents] . . Slope
15[Patents] . . . With direction (i.e., positive or negative)
16[Patents] . . Having feedback
17[Patents] . . With reference signal
18[Patents] . By presence or absence pulse detection
19[Patents] . . Arbitration
20[Patents] . . Monitoring (e.g., failure detection, etc.)
21[Patents] . . With variable frequency source
22[Patents] . By pulse noncoincidence
23[Patents] . By pulse coincidence
24[Patents] . . Edge sensing
25[Patents] . . With uniform spacing
26[Patents] . . With pulse width detecting
27[Patents] . . With reference
28[Patents] . By polarity
29[Patents] . . Selection of a particular polarity
30[Patents] . . Opposite polarity
31[Patents] . By pulse width or spacing
32[Patents] . . With shock-excited circuit
33[Patents] . . With sampling
34[Patents] . . Narrow pulse elimination or suppression
35[Patents] . . Separating by duration or gap (e.g., duty cycle, etc.)
36[Patents] . . Selection of a particular pulse width
37[Patents] . . Comparison by threshold or reference
38[Patents] . . With plural paths
39[Patents] . By frequency
40[Patents] . . Comparison between plural inputs
41[Patents] . . . With synchronous detection
42[Patents] . . . Fixed frequency reference signal
43[Patents] . . . With logic or bistable circuit
44[Patents] . . With predetermined frequency selection
45[Patents] . . . Including sampling or reference frequency
46[Patents] . . . Including plural frequency detection
47[Patents] . . Frequency detection
48[Patents] . . . With counting
49[Patents] . . . With logic or bistable circuit
50[Patents] . By amplitude
51[Patents] . . With sensing amplifier
52[Patents] . . . Differential amplifier
53[Patents] . . . . Current mirror
54[Patents] . . . . Having feedback
55[Patents] . . . . . Cross-coupled
56[Patents] . . . . With reference signal
57[Patents] . . . With latching type element (e.g., flip-flop, etc.)
58[Patents] . . Maximum or minimum amplitude
59[Patents] . . . Employing input compared to output
60[Patents] . . . Employing input compared to reference derived therefrom
61[Patents] . . . By diode-capacitor network
62[Patents] . . . Maximum and minimum amplitude
63[Patents] . . Comparison between plural varying inputs
64[Patents] . . . With logic or bistable circuit
65[Patents] . . . Differential input
66[Patents] . . . . Current mirror
67[Patents] . . . . Having feedback
68[Patents] . . . Input provides varying reference signal
69[Patents] . . . With plural paths
70[Patents] . . . . With single output
71[Patents] . . . Three or more inputs
72[Patents] . . Input signal compared to reference derived therefrom
73[Patents] . . . Reference derived by feedback
74[Patents] . . Input signal compared to plural fixed references
75[Patents] . . . Three or more
76[Patents] . . . With logic or bistable circuit
77[Patents] . . Input signal compared to single fixed reference
78[Patents] . . . Reference level crossover detecting
79[Patents] . . . . Zero crossover
80[Patents] . . . Reference determined by threshold of single circuit element
81[Patents] . . . . With transistor
82[Patents] . . . Plural sources of input signal
83[Patents] . . . Temperature compensation
84[Patents] . . . With bridge circuit
85[Patents] . . . Inverting input or output
86[Patents] . . . With transformer
87[Patents] . . . Having feedback
88[Patents] . . . With source as reference
89[Patents] . . . With differential amplifier
90[Patents] . . Comparison between two characteristics of an input signal
91[Patents] . . Including details of sampling or holding
92[Patents] . . . With bridge circuit
93[Patents] . . . With reference source
94[Patents] . . . Sample and hold
95[Patents] . . . . Having feedback
96[Patents] . . . . With differential amplifier
97[Patents] . . With logic or bistable circuit
98[Patents] . By separating composite signal
99[Patents] . Having selection between plural continuous waveforms
100[Patents]SIGNAL CONVERTING, SHAPING, OR GENERATING
101[Patents] . Converting input current or voltage to output frequency
102[Patents] . Converting input frequency to output current or voltage
103[Patents] . Converting input voltage to output current or vice versa
104[Patents] . Converting, per se, of an AC input to corresponding DC at an unloaded output
105[Patents] . Synthesizer
106[Patents] . . Having stored waveform data (e.g., in ROM, etc.)
107[Patents] . . Having digital device (e.g., logic gate, flip-flop, etc.)
108[Patents] . Current driver
109[Patents] . . Having semiconductive load
110[Patents] . . Having inductive load (e.g., coil, etc.)
111[Patents] . . Having capacitive load
112[Patents] . . . Push-pull
113[Patents] . Frequency or repetition rate conversion or control
114[Patents] . . Of output rectangular waveform
115[Patents] . . . Frequency division
116[Patents] . . . Frequency multiplication
117[Patents] . . Frequency division
118[Patents] . . . Having discrete active device (e.g., transistor, triode, etc.)
119[Patents] . . Frequency multiplication (e.g., harmonic generation, etc.)
120[Patents] . . . With plural outputs
121[Patents] . . . . Selective
122[Patents] . . . Doubling
123[Patents] . . . With particular tube or distributed parameter element
124[Patents] . By periodic switching (e.g., chopper, etc.)
125[Patents] . Generating parabolic or hyperbolic output
126[Patents] . Generating staircase output
127[Patents] . . With differential amplifier
128[Patents] . . With rectifying element
129[Patents] . Generating sinusoidal output
130[Patents] . Generating trapezoidal output
131[Patents] . Generating sawtooth or triangular output
132[Patents] . . With current source or current mirror
133[Patents] . . With distortion control (e.g., linearization, etc.)
134[Patents] . . With slope or duration control
135[Patents] . . Having digital element
136[Patents] . . Having particular delay or sync
137[Patents] . . Having feedback
138[Patents] . . Having temperature compensation
139[Patents] . . Having inductive load
140[Patents] . . With amplitude control
141[Patents] . Synchronizing
142[Patents] . . Reset (e.g., initializing, starting, stopping, etc.)
143[Patents] . . . Responsive to power supply
144[Patents] . . Using multiple clocks
145[Patents] . . . Having different frequencies
146[Patents] . . . With feedback
147[Patents] . . . . Phase lock loop
148[Patents] . . . . . With charge pump
149[Patents] . . . . . With variable delay means
150[Patents] . . . . . With digital element
151[Patents] . . . With counter
152[Patents] . . . With choice between multiple delayed clocks
153[Patents] . . . With delay means
154[Patents] . . With feedforward
155[Patents] . . With feedback
156[Patents] . . . Phase lock loop
157[Patents] . . . . With charge pump
158[Patents] . . . . With variable delay means
159[Patents] . . . . With digital element
160[Patents] . . With counter
161[Patents] . . With delay means
162[Patents] . . Having reference source
163[Patents] . . . By phase
164[Patents] . Generating rectangular (e.g., clock, etc.) or pulse waveform having random characteristic (e.g., random width, etc.)
165[Patents] . Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform
166[Patents] . . Having digital device (e.g., logic gate, flip-flop, etc.)
167[Patents] . . Having network providing particular mathematical function (e.g., integrator, etc.)
168[Patents] . . Having inductive device (e.g., transformer, etc.)
169[Patents] . . Having negative resistance device (e.g., tunnel diode, etc.)
170[Patents] . Slope control of leading or trailing edge of rectangular (e.g., clock, etc.) or pulse waveform
171[Patents] . Output pulses having opposite polarities
172[Patents] . Rectangular (e.g., clock, etc.) or pulse waveform width control
173[Patents] . . Pulse narrowing
174[Patents] . . Pulse broadening
175[Patents] . . Duty cycle control
176[Patents] . . Having digital device (e.g., logic gate, flip-flop, etc.)
177[Patents] . . Having inductive device (e.g., transformer, etc.)
178[Patents] . Rectangular (e.g., clock, etc.) or pulse waveform amplitude control
179[Patents] . . Gain
180[Patents] . . Limiting, clipping, or clamping
181[Patents] . Electromagnetic pulse forming
182[Patents] . Delay line or capacitor storage element charged or discharged through or by a relaxation oscillator type circuit to form pulse
183[Patents] . Delay line or capacitor storage element charges or discharges through a tube to form pulse
184[Patents] . Rectangular (e.g., clock, etc.) or pulse waveform generating by conversion from input AC (e.g., sine, etc.) wave
185[Patents] . Particular stable state circuit (e.g., tristable, etc.)
186[Patents] . . Superconductive (e.g., cryogenic, etc.)
187[Patents] . . External effect device (e.g., light, heat, magnetic, or mechanical force sensitive devices, etc.)
188[Patents] . . Minority carrier storage effect
189[Patents] . . . Storage diode (e.g., step recovery, etc.)
190[Patents] . . With transformer or saturable core device
191[Patents] . . . Blocking oscillator
192[Patents] . . Negative resistance transistor (e.g., unijunction, etc.)
193[Patents] . . . Four or more layer device, (e.g., trigistor, etc.)
194[Patents] . . Zener or capacitive diode
195[Patents] . . Negative resistance diode having "N"-shape characteristic on I-V plot (e.g., tunnel diode, backward diode, etc.)
196[Patents] . . Negative resistance diode having "S"-shape characteristic on I-V plot (e.g., four or more layer semiconductor device, etc.)
197[Patents] . . Convertible circuit (e.g., bistable to monostable, D-type to T-type, etc.)
198[Patents] . . Initializing, resetting, or protecting a steady state condition
199[Patents] . . Circuit having only two stable states (i.e., bistable)
200[Patents] . . . Dynamic bistable
201[Patents] . . . . Complementary clock inputs
202[Patents] . . . Master-slave bistable latch
203[Patents] . . . . Including field-effect transistor
204[Patents] . . . . Including multi-emitter or multi-collector bipolar transistor
205[Patents] . . . Using hysteresis (e.g., Schmitt trigger, etc.)
206[Patents] . . . . Including field-effect transistor
207[Patents] . . . Including diverse solid state devices (e.g., FET/bipolar, etc.)
208[Patents] . . . Including field-effect transistor
209[Patents] . . . . Including enhancement and depletion devices
210[Patents] . . . . CMOS
211[Patents] . . . . . With clock input
212[Patents] . . . . With clock input
213[Patents] . . . . . Plural independent clock inputs (i.e., non complementary )
214[Patents] . . . Complementary transistors
215[Patents] . . . Having at least two cross-coupling paths
216[Patents] . . . . JK type input
217[Patents] . . . . RS or RST type input
218[Patents] . . . . D type input
219[Patents] . . . . Particular device at input, output, or in cross-coupling path
220[Patents] . . . . . With diode
221[Patents] . . . . . Parallel RC network in cross-coupling path
222[Patents] . . . . . Resistor in cross-coupling path
223[Patents] . . . Plural transistors of same conductivity type
224[Patents] . . . With single semiconductor device
225[Patents] . . . With logic element (e.g., NOR gate, etc.)
226[Patents] . . . With single electron tube
227[Patents] . . Monostable
228[Patents] . . . Having cross-coupled paths
229[Patents] . . . Having differential circuitry
230[Patents] . . . With external feedback (i.e., output to input)
231[Patents] . Phase shift by less than period of input
232[Patents] . . Dependent on frequency
233[Patents] . . Correction to specific phase shift
234[Patents] . . . Dependent on variable controlled phase shifts
235[Patents] . . . Dependent on multiple fixed phase shifts
236[Patents] . . . By phase comparator or detector
237[Patents] . . Variable or adjustable
238[Patents] . . . Quadrature related (i.e., 90 degrees)
239[Patents] . . . Non-overlapping multiple outputs
240[Patents] . . . Maintaining invariant amplitude
241[Patents] . . . With counter or shift register
242[Patents] . . . . Having multiple outputs
243[Patents] . . . With feedback
244[Patents] . . . . With phase comparator or detector
245[Patents] . . . . Having multiple outputs
246[Patents] . . . With differential amplifier
247[Patents] . . . . Having multiple outputs
248[Patents] . . . With adder
249[Patents] . . . . Having multiple outputs
250[Patents] . . . With active time delay element
251[Patents] . . . . Having multiple outputs
252[Patents] . . . With passive time delay element
253[Patents] . . . . Having multiple outputs
254[Patents] . . Quadrature related (i.e., 90 degrees)
255[Patents] . . . 90 degrees between input and output
256[Patents] . . Phase inversion (i.e., 180 degrees between input and output)
257[Patents] . . . Multiple outputs
258[Patents] . . Multiple outputs
259[Patents] . . . Non-overlapping
260[Patents] . . Producing AC power control
261[Patents] . Having specific delay in producing output waveform
262[Patents] . . Including significant compensation (e.g., temperature compensated delay, etc.)
263[Patents] . . Delay interval set by rising or falling edge
264[Patents] . . . Having specific active circuit element or structure (e.g., FET, complementary transistors, etc.)
265[Patents] . . . . With counter
266[Patents] . . . . Differential amplifier
267[Patents] . . . . Electron tube
268[Patents] . . . Having specific passive circuit element or structure (e.g., RLC circuit, etc.)
269[Patents] . . Multiple outputs with plurality of delay intervals
270[Patents] . . . Variable or adjustable
271[Patents] . . . Including delay line or charge transfer device
272[Patents] . . . Having specific active circuit element or structure(e.g., FET, complementary transistors, etc.)
273[Patents] . . . . With counter
274[Patents] . . . . Differential amplifier
275[Patents] . . . . Electron tube
276[Patents] . . Single output with variable or selectable delay
277[Patents] . . . Including delay line or charge transfer device
278[Patents] . . . Having specific active circuit element or structure (e.g., complementary transistors, etc.)
279[Patents] . . . . With counter
280[Patents] . . . . Differential amplifier
281[Patents] . . . . Field-effect transistor
282[Patents] . . . . Electron tube
283[Patents] . . . Having specific passive circuit element or structure (e.g., RLC circuit, etc.)
284[Patents] . . Including delay line or charge transfer device
285[Patents] . . Having specific active circuit element or structure (e.g., complementary transistors, etc.)
286[Patents] . . . With counter
287[Patents] . . . Differential amplifier
288[Patents] . . . Field-effect transistor
289[Patents] . . . Electron tube
290[Patents] . . Having specific passive circuit element or structure (e.g., RLC circuit, etc.)
291[Patents] . Clock or pulse waveform generating
292[Patents] . . Clock fault compensation or redundant clocks
293[Patents] . . With plural paths in network
294[Patents] . . . With common output
295[Patents] . . Plural outputs
296[Patents] . . . Plural clock outputs with multiple inputs
297[Patents] . . . Clock bus
298[Patents] . . Single clock output with multiple inputs
299[Patents] . . Single clock output with single clock input or data input
300[Patents] . . With saturable inductance
301[Patents] . . With electron beam type tube
302[Patents] . . With storage diode
303[Patents] . . With rectifier
304[Patents] . . With inductive device (e.g., transformer, etc.)
305[Patents] . . With gas tube
306[Patents] . Amplitude control
307[Patents] . . Baseline or DC offset correction
308[Patents] . . Variable attenuator
309[Patents] . . By limiting, clipping, or clamping
310[Patents] . . . Transient or signal noise reduction
311[Patents] . . . . By filtering
312[Patents] . . . . By feedback limiting-clamping
313[Patents] . . . . Using 3 or more terminal type nonlinear devices only
314[Patents] . . . . Using diode type nonlinear devices only
315[Patents] . . . Providing constant input/output amplitude level ratio
316[Patents] . . . . By feedback control
317[Patents] . . . Distortion compensation
318[Patents] . . . In input or output circuit
319[Patents] . . . . For interstage coupling
320[Patents] . . . . . Using diode
321[Patents] . . . . Clamping of output to voltage level
322[Patents] . . . . Of output current
323[Patents] . . . Feedback
324[Patents] . . . By using diverse-type nonlinear devices
325[Patents] . . . Using only diode active elements
326[Patents] . . . . Avalanche or negative resistance device (e.g., zener diode, tunnel diode, etc.)
327[Patents] . . . Using only transistor active elements
328[Patents] . . . . Field-effect type device
329[Patents] . . . With tuned circuit
330[Patents] . . . With rectifier or nonlinear impedance
331[Patents] . . Maintaining constant level output
332[Patents] . . . With feedback
333[Patents] . . Interstage coupling (e.g., level shift, etc.)
334[Patents]SPECIFIC INPUT TO OUTPUT FUNCTION
335[Patents] . By differentiating
336[Patents] . By integrating
337[Patents] . . Having switched capacitance
338[Patents] . . With thermionic tube
339[Patents] . . With summing or counting
340[Patents] . . Single vacuum tube
341[Patents] . . With compensation
342[Patents] . . With transducer
343[Patents] . . With rectifier circuit
344[Patents] . . Including RC circuit
345[Patents] . . Having feedback
346[Patents] . Exponential
347[Patents] . . Square root
348[Patents] . . . RMS
349[Patents] . . Square function
350[Patents] . Logarithmic
351[Patents] . . With cascade network
352[Patents] . . With summing
353[Patents] . . With vacuum tube
354[Patents] . Absolute value
355[Patents] . Combining of plural signals
356[Patents] . . Product
357[Patents] . . . Quadrant
358[Patents] . . . Having feedback
359[Patents] . . . Differential amplifier
360[Patents] . . Quotient
361[Patents] . . Summing
362[Patents] . With compensation
363[Patents] . Having feedback
364[Patents] . With vacuum tube
365[Patents]GATING (I.E., SWITCHING INPUT TO OUTPUT)
366[Patents] . Superconductive (e.g., cryogenic, etc.) device
367[Patents] . . Josephson junction
368[Patents] . . Critical current control
369[Patents] . . External control (e.g., piezoelectric, light, etc.)
370[Patents] . . . Magnetic field control
371[Patents] . . . Temperature control
372[Patents] . . Inductive effect
373[Patents] . . Layout
374[Patents] . Accelerating switching
375[Patents] . . Saturation prevention
376[Patents] . . Turn-on
377[Patents] . . Turn-off
378[Patents] . Compensation for variations in external physical values (e.g., temperature, etc.)
379[Patents] . Signal transmission integrity or spurious noise override
380[Patents] . . Preventing quick rise gating current (i.e., di/dt)
381[Patents] . . Preventing quick rise gating voltage (i.e., dv/dt)
382[Patents] . . Parasitic prevention or compensation (e.g., parasitic capacitance, etc.)
383[Patents] . . Ensuring fully conducting state
384[Patents] . . Switch noise signal
385[Patents] . . . Contact bounce from mechanical switch
386[Patents] . . . . With clock input
387[Patents] . . Control signal derived from or responsive to input signal
388[Patents] . . . Additional external control signal
389[Patents] . . Insulated gate FET (e.g., MOSFET, etc.)
390[Patents] . . . With capacitive bootstrapping
391[Patents] . . . Complementary metal-oxide semiconductor (CMOS)
392[Patents] . Delay controlled switch (e.g., fixed, single time of delay control, etc.)
393[Patents] . . With variable or multiple adjustable time of delay control (e.g., variable charge-discharge, on-delay/off-delay control, etc.)
394[Patents] . . . With field-effect device
395[Patents] . . . Propagation through plural delay devices or paths
396[Patents] . . . With plural switching elements (e.g., sequential, etc.)
397[Patents] . . . Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.)
398[Patents] . . For predetermined time period
399[Patents] . . With field-effect device
400[Patents] . . Propagation through plural delay devices or paths
401[Patents] . . With plural switching elements (e.g., sequential, etc.)
402[Patents] . . Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.)
403[Patents] . Parallel controlled paths
404[Patents] . . Field-effect transistor
405[Patents] . . Bipolar transistor
406[Patents] . . Electron tube
407[Patents] . Converging with plural inputs and single output
408[Patents] . . Field-effect transistor
409[Patents] . . . Push-pull circuit
410[Patents] . . . . With complementary transistor devices
411[Patents] . . Bipolar transistor
412[Patents] . . . Push-pull circuit
413[Patents] . . . . With complementary transistor devices
414[Patents] . . Electron tube
415[Patents] . Diverging with single input and plural outputs
416[Patents] . . Field-effect transistor
417[Patents] . . Bipolar transistor
418[Patents] . . Electron tube
419[Patents] . Utilizing three or more electrode solid-state device
420[Patents] . . Breakdown characteristic (e.g., punch-through, tunneling, etc.)
421[Patents] . . . Zener
422[Patents] . . . Avalanche
423[Patents] . . Bridge circuit
424[Patents] . . . Field-effect transistor
425[Patents] . . Bilateral transistor
426[Patents] . . . Plural
427[Patents] . . Field-effect transistor
428[Patents] . . . With silicon controlled rectifier (SCR)
429[Patents] . . . Four or more electrode solid-state device
430[Patents] . . . JFET (i.e., junction field-effect transistor)
431[Patents] . . . . MESFET (i.e., metal semiconductor field-effect transistor)
432[Patents] . . . With bipolar transistor
433[Patents] . . . . Bi-CMOS
434[Patents] . . . Insulated gate FET (e.g., MOSFET, etc.)
435[Patents] . . . . GaAs
436[Patents] . . . . Plural devices in series
437[Patents] . . . . Complementary metal-oxide semiconductor (CMOS)
438[Patents] . . Four or more layer device (e.g., thyristor, etc.)
439[Patents] . . . Bipolar transistor circuit configuring SCR device
440[Patents] . . . GTO (i.e., gate turnoff)
441[Patents] . . . . Plural or combined with other four or more layer device
442[Patents] . . . . Separate ON and OFF control circuit
443[Patents] . . . . Transformer or inductor in control circuit
444[Patents] . . . Complex wave supply
445[Patents] . . . . Silicon controlled rectifier (SCR)
446[Patents] . . . . . Triac
447[Patents] . . . AC supply
448[Patents] . . . . Device in bridge
449[Patents] . . . . PUT (i.e., programmable unijunction transistor)
450[Patents] . . . . Four electrodes
451[Patents] . . . . Zero point switching
452[Patents] . . . . . With triac
453[Patents] . . . . Silicon controlled rectifier (SCR)
454[Patents] . . . . . With unijunction transistor
455[Patents] . . . . . Triac
456[Patents] . . . . . . Plural
457[Patents] . . . . . . Combined with diac
458[Patents] . . . . . . Combined with diverse four or more layer device
459[Patents] . . . . . . With bipolar transistor
460[Patents] . . . . . Plural SCR`s
461[Patents] . . . . . . Inverse parallel connection
462[Patents] . . . . . . . With bipolar transistor
463[Patents] . . . . . With bipolar transistor
464[Patents] . . . . Having plural four or more layer devices
465[Patents] . . . DC supply
466[Patents] . . . . PUT (i.e., programmable unijunction transistor)
467[Patents] . . . . Four electrodes
468[Patents] . . . . SCR and unijunction transistor
469[Patents] . . . . Triac
470[Patents] . . . . Plural devices
471[Patents] . . . . . Series anode-cathode connection
472[Patents] . . . . . . Plural paths
473[Patents] . . . . . Parallel connection
474[Patents] . . . . . With bipolar transistor
475[Patents] . . . . SCR and bipolar transistor
476[Patents] . . . Triac
477[Patents] . . Unijunction transistor (UJT)
478[Patents] . . Bipolar transistor
479[Patents] . . . Special four or more electrode device (e.g., multiple bases, three electrode bipolar with FET gate, etc.)
480[Patents] . . . . Multiple emitter transistor
481[Patents] . . . . Multiple collector transistor
482[Patents] . . . Plural
483[Patents] . . . . Darlington connection
484[Patents] . . . . Opposite conductively (i.e., complementary)
485[Patents] . . . . . Control circuit in cascade
486[Patents] . . . . . Control circuit in totem pole
487[Patents] . . . . Control circuit in cascade
488[Patents] . . . . Control circuit in totem pole
489[Patents] . . . . Control circuit with common emitter
490[Patents] . . . . . With current mirror
491[Patents] . . . . . With emitter follower
492[Patents] . . . . Control circuit with common collector
493[Patents] . Utilizing two electrode solid-state device
494[Patents] . . Bridge circuit
495[Patents] . . . Combined with diverse device in at least one arm
496[Patents] . . . Plural
497[Patents] . . . Active element in diagonal arm
498[Patents] . . Negative resistance
499[Patents] . . . "N"-shape curve on I-V plot (e.g., tunnel diode type, etc.)
500[Patents] . . . "S"-shape curve on I-V plot (e.g., pnpn diode type, etc.)
501[Patents] . . . . Hyperconductive diode
502[Patents] . . Breakdown characteristic (e.g., zener diode, etc.)
503[Patents] . . PIN diode
504[Patents] . . PN junction diode
505[Patents] . . . Inverse parallel connection
506[Patents] . Three or more electrode electron tube
507[Patents] . Two electrode electron tube
508[Patents] . . Bridge circuit
509[Patents]EXTERNAL EFFECT
510[Patents] . Magnetic
511[Patents] . . Utilizing Hall effect
512[Patents] . Temperature
513[Patents] . . With compensation for temperature fluctuations
514[Patents] . Light
515[Patents] . . Elements forming an array
516[Patents] . Utilizing conversion of mechanical variations into electrical variations (e.g., vibration sensitive, etc.)
517[Patents] . Responsive to proximity or touch
518[Patents]WITH PARTICULAR CONTROL
519[Patents] . Plurality of load devices
520[Patents] . Plural active components included in a controlling circuit
521[Patents] . . Connected in inverse parallel
522[Patents] . . Gaseous tube
523[Patents] . Gaseous tube
524[Patents]SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM
525[Patents] . Fusible link or intentional destruct circuit
526[Patents] . Redundant
527[Patents] . Superconductive (e.g., cryogenic, etc.) device
528[Patents] . . Josephson junction
529[Patents] . . Impact ionization
530[Patents] . With specific source of supply or bias voltage
531[Patents] . . Fluctuating or AC source with rectifier or filter
532[Patents] . . . With particular filter circuit
533[Patents] . . . With battery connected across rectifier
534[Patents] . . Having particular substrate biasing
535[Patents] . . . Having stabilized bias or power supply level
536[Patents] . . . . Charge pump details
537[Patents] . . . . With field-effect transistor
538[Patents] . . Stabilized (e.g., compensated, regulated, maintained, etc.)
539[Patents] . . . Using bandgap
540[Patents] . . . With voltage source regulating
541[Patents] . . . . With field-effect transistor
542[Patents] . . . With diverse type transistor devices
543[Patents] . . . Using field-effect transistor
544[Patents] . . Power conservation or pulse type
545[Patents] . . Including signal protection or bias preservation
546[Patents] . . . With field-effect transistor
547[Patents] . . With selectively or alternately DC or AC input
548[Patents] . . With oscillator or interrupter
549[Patents] . . With hum or interaction prevention
550[Patents] . . With particular filament heating circuit
551[Patents] . Unwanted signal suppression
552[Patents] . . Active filter
553[Patents] . . . Adjustable
554[Patents] . . . . Switched capacitor filter
555[Patents] . . . . Selective type signal filtering (e.g., from low pass to high pass, etc.)
556[Patents] . . . Notch or bandreject
557[Patents] . . . Bandpass
558[Patents] . . . Lowpass
559[Patents] . . . Highpass
560[Patents] . Nonlinear amplifying circuit
561[Patents] . . With operational amplifier
562[Patents] . . . With field-effect transistor
563[Patents] . . With differential amplifier
564[Patents] . Integrated structure
565[Patents] . . With specific layout or layout interconnections
566[Patents] . . . Having field-effect transistor device
567[Patents] . Thin film
568[Patents] . Negative resistance type
569[Patents] . . Unijunction transistor
570[Patents] . . Having "N"-shape curve on I-V plot (e.g., tunnel diode type, etc.)
571[Patents] . . Having "S"-shape curve on I-V plot (e.g., pnpn diode type, etc.)
572[Patents] . . Secondary emissive type
573[Patents] . . . Electron multiplier type
574[Patents] . Utilizing a three or more electrode solid-state device
575[Patents] . . Darlington connection
576[Patents] . . Complementary transistors
577[Patents] . . Multiple emitter transistor
578[Patents] . . Multiple collector transistor
579[Patents] . . Minority carrier storage
580[Patents] . . Transistor breakdown device (e.g., avalanche, zener, punch through, etc.)
581[Patents] . . Field-effect transistor
582[Patents] . . Four or more layer device (e.g., silicon-controlled rectifier, etc.)
583[Patents] . Utilizing two electrode solid-state device
584[Patents] . . Breakdown diode (e.g., zener diode, avalanche diode, etc.)
585[Patents] . . Minority carrier storage diode (e.g., enhancement diode, etc.)
586[Patents] . . Capacitive diode
587[Patents] . . Bridge circuit
588[Patents] . With bridge circuit
589[Patents] . With bootstrap circuit
590[Patents] . With particular feedback
591[Patents] . Tube performs plural functions
592[Patents] . With oscillation prevention
593[Patents] . With distributed parameter circuit
594[Patents] . With particular coupling or decoupling
595[Patents] . With particular connecting
596[Patents] . Including oscillatory or shock-excited circuit
597[Patents] . With particular grid control
598[Patents] . With particular tube structure
599[Patents] . . Vacuum tube type
600[Patents] . . . Beam tube structure
601[Patents] . . Gas tube
602[Patents] . . . With particular electrode arrangement
603[Patents]MISCELLANEOUS


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Information Products Division
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Last Modified: 6 October 2000