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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1008 Subject <strong>Index</strong><br />
Dielectric isolation, for IC components<br />
U11-C08A4<br />
Dielectric material (see also Insulation<br />
material)<br />
manufacture V01-B03A3<br />
Dielectric test, for semiconductor U11-F01A9<br />
Diesel engine Q51-D03<br />
compression ignition, vehicle X22-A01A3<br />
X22-A20C<br />
electric power plant X11-C02<br />
electric train propulsion X23-A01A2<br />
electric train propulsion, control X23-A01A2<br />
ignition, using glow plug heating X22-A01A3<br />
X22-A20C<br />
testing S02-J01A<br />
Diesel-electric locomotive X23-A01A2<br />
X11-D<br />
X11-U03<br />
generator X23-A01A2<br />
Diesel-generator rotary UPS X12-H02A<br />
Differential Q64<br />
vehicle Q13-A09<br />
Differential amplifier U24-G02A1<br />
Differential modulation U21-A04B<br />
Differential of machine, testing S02-J03A<br />
Differential phase shift keying W01-A09B<br />
Differential protection X13-C01D<br />
generator X13-C04B<br />
transformer X13-C04B<br />
transmission line X13-C04A<br />
Differential thermal analysis S03-E01E<br />
Diffraction<br />
grating, generating spectrum S03-A02A<br />
grating, testing S02-J04A9<br />
optical, materials investigation S03-E04B5<br />
X-ray S03-E06C<br />
X-ray, flaw detection S03-E06C1<br />
Diffused isolation structure, transistor<br />
Diffusion, semiconductor doping U11-C02A<br />
apparatus U11-C02A1<br />
dopants U11-A01M<br />
method U11-C02A2<br />
Digging equipment X25-D01<br />
Digital<br />
amplifier U24-G02E<br />
audio tape recorder (DAT) - see Digital<br />
audio tape recorder W04-B12G<br />
broadcast receiver architecture W03-B07<br />
camera see Electronic still picture camera W04-<br />
M01B1<br />
communications receiver architecture see<br />
Digital communications receiver<br />
architecture W02-G03K<br />
filter - see Digital filter U22-G01<br />
information transmission W01-A<br />
mark sensing T04-A03<br />
marked record carrier T04-C<br />
marking or erasure T04-A02<br />
radio transceiver architecture W02-G02K<br />
radio transmitter architecture W02-G01K<br />
signal processor (DSP) - see Digital signal<br />
processor U22-G03<br />
speech processing (general) W04-V05<br />
speech processing for telephone W01-C01C7<br />
transducers, electromechanical V06-V01L<br />
TV receiver architecture W03-A11K<br />
versatile disk player/recorder W04-C10A2<br />
videoe disk player/recorder W04-C10A2<br />
video tape recorder (DVTR) - see Digital<br />
video tape recorder W04-B10G<br />
Digital amplifier U24-G02E<br />
Digital-analogue conversion U21-A02<br />
binary weighted U21-A02A1<br />
broader system details U21-A02B1<br />
clock arrangements U21-A02B1C<br />
digital-analogue converter U21-A02A<br />
improvements to DAC performance U21-A02B7<br />
increased conversion speed U21-A02B7C<br />
increased range U21-A02B7E<br />
increased resolution U21-A02B7A<br />
integrated circuit details U13-B<br />
input/output circuitry U21-A02B1A<br />
ladder-type U21-A02A2<br />
noise reduction and error correction<br />
U21-A02B7G<br />
reducing power consumption U21-A02B7J<br />
resistor string U21-A02A4<br />
sampling U21-A03F6<br />
size reduction U21-A02B7L<br />
switch capacitor U21-A02A5<br />
testing and calibrating U21-A02B2<br />
using superconducting devices U14-F02C<br />
U21-A02A<br />
voltage reference circuits U21-A02B1B<br />
with intermediate conversion to time or<br />
frequency of pulses U21-A02A3<br />
Digital audio tape recorder W04-B12G<br />
construction W04-B12D<br />
contol/interfacing W04-B12C<br />
head T03-A03<br />
W04-B12A<br />
head positioning (see Helical scan<br />
recording also) T03-A05D<br />
power supply W04-B12C<br />
remote control W04-B12C<br />
W04-E04A<br />
tape transport T03-E<br />
W04-B12A<br />
W04-B12A<br />
Digital camera see Electronic still picture<br />
camera W04-M01B1<br />
Digital circuits<br />
logic analyser (see also Testing) S01-G01A5<br />
testing S01-G01A<br />
testing integrated circuits (see also Testing) S01-<br />
G01A1<br />
testing modules or cards (see also Testing) S01-<br />
G01A3<br />
Digital communications receiver architecture<br />
W02-G03K<br />
AD conversion W02-G03K3<br />
characterised by use of DSP W02-G03K1<br />
DA conversion W02-G03K8<br />
digital mixing / DDC W02-G03K5<br />
filtering W02-G03K6<br />
transform functions W02-G03K7
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