Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
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960 Subject <strong>Index</strong><br />
microwave (involving<br />
constructional aspects) U24-G04M<br />
multichannel U24-G02F2<br />
negative feedback U24-G03A<br />
noise reduction U24-G03D1<br />
noise due to components U24-G03D1A<br />
noise due to external sources U24-G03D1B<br />
nonlinearity introducing arrangement<br />
U24-G03K<br />
offset reduction U24-G03F<br />
operational amplifier implementation<br />
U24-G04C<br />
operational amplifier per se U24-G02A5<br />
opto-receiver U24-G01A5<br />
other distortion U24-G03D5X<br />
parametric U24-G04E<br />
peak detector U24-C03A<br />
phase-splitter U24-G02C1<br />
positive feedback U24-G03B<br />
power U24-G01B<br />
power consumption reduction U24-G03N1<br />
power supply variation immunity<br />
arrangement U24-G03G<br />
push-pull U24-G02C5<br />
PWM amplifier U24-G02E<br />
reflex U24-G02X<br />
ringing reduction U24-G03L<br />
RF, broadcast radio receiver U24-G01D<br />
W03-B01A3<br />
RF, communications receiver U24-G01D<br />
W02-G03A3<br />
RF power U24-G01B5<br />
RF power for transmitter U24-G01B5<br />
W02-G01B<br />
RF, TV tuner U24-G01D<br />
W03-A01B3<br />
stability-improving arrangement U24-G03L<br />
supply voltage reduction U24-G03N5<br />
switching amplifier U24-G02E<br />
switch- U24-G03D<br />
switched capacitor operational<br />
amplifier implementation U24-G04C1<br />
switched capacitor type amplifier U24-G02B<br />
telephone speech W01-C01C1<br />
temperature change immunity<br />
arrangement U24-G03H<br />
testing U24-G05C<br />
thin film circuit implementation U14-H01C<br />
U24-G04A<br />
transconductance U24-G02A5A<br />
two-way U24-G02F3<br />
vacuum tube implementation U24-G04D<br />
Amplitude compression<br />
audio signal (general) W04-G04<br />
general U24-C02B<br />
RF systems W02-G04B1<br />
video signal (general) W04-P01E8<br />
video signal (recording) W04-F01A5<br />
Amplitude demodulation U23-K<br />
general signal rectifiers (AGC,<br />
level detection, etc.) U24-C03<br />
Amplitude limiting<br />
DC level clamping (general) U24-C02A5<br />
general U24-C02A<br />
pulse U22-D01A1<br />
soft (general) U24-C02A1<br />
TV receiver video W03-A04C<br />
video signal (general) W04-P01E8<br />
W04-P01K<br />
video signal (recording) W04-F01A5<br />
W04-F01X<br />
Amplitude modulation U23-G<br />
Amplitude shift keying U23-P01C1<br />
W01-A09A1<br />
Amusements<br />
arcade games W04-X02A8<br />
cinema S06-B05<br />
W04-X03G5<br />
coin or card actuated T05-H05E<br />
fairground W04-X03G3<br />
games - see Games W04-X02<br />
information provision, guiding devices W04-X03G8<br />
juke box W04-X03A1<br />
karaoke W04-X03A3<br />
museums, exhibitions W04-X03G7<br />
music-based entertainment W04-X03A<br />
novelties W04-X03C<br />
ornaments W04-X03C<br />
pachinko W04-X02A1<br />
theatre W04-X03G1<br />
theme park W04-X03G3<br />
Anaesthesia S05-L<br />
gas delivery systems S05-L01<br />
intravenous or intramuscular delivery<br />
S05-L02<br />
Analogue<br />
circuit modules testing S01-G01C3<br />
circuits, testing S01-G01C<br />
ICs testing S01-G01C1<br />
Analogue automatic gain control (AGC)<br />
U24-C01A<br />
Analogue computers T02-A<br />
applications T02-A04A<br />
arbitrary function generation T02-A04B4<br />
convolution T02-A04B2A<br />
economics, statistics T02-A04A1<br />
electric T02-A04<br />
evaluation T02-A04B3<br />
fuzzy logic T02-A04B6<br />
hand-manipulated T02-A01<br />
hybrid arrangements T02-B<br />
integration/differentiation T02-A04B2<br />
interpolation, extrapolation T02-A04B5<br />
magnetic T02-A04<br />
mechanical/fluid pressure T02-A02<br />
multiplication/division T02-A04B1<br />
neuronal T02-A04A5<br />
optical implementations T02-A03A<br />
optical/electrooptical T02-A03B<br />
processing T02-A04B<br />
programming T02-A04X<br />
using optical or electro-optical elements<br />
T02-A03<br />
Analogue filter - see Electric filter<br />
Analogue frequency multipliers/dividers<br />
U23-B01<br />
Analogue integrated circuits U13-B<br />
bipolar U13-B01<br />
combined FET and bipolar U13-B03<br />
custom analogue array U13-B09<br />
FET U13-B02
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