Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters

Contents
INTRODUCTION ........................................................................................................................ PART 1 : 1
SECTION Q: ................................................................................................................................... PART 1
Q1 VEHICLES IN GENERAL ...............................................................................................................................8
Q2 SPECIAL VEHICLES ................................................................................................................................... 37
Q5 ENGINES, PUMPS, COMPRESSORS, FLUID PRESSURE ACTUATORS .............................................. 63
Q6 ENGINEERING ELEMENTS ....................................................................................................................... 81
SECTION S: .................................................................................................................................... PART 1
S01 ELECTRICAL INSTRUMENTS ................................................................................................................ 103
S02 ENGINEERING INSTRUMENATION ...................................................................................................... 115
S03 SCIENTIFIC INSTRUMENTATION .......................................................................................................... 131
S04 CLOCKS AND TIMERS ........................................................................................................................... 153
S05 ELECTRICAL MEDICAL EQUIPMENT ................................................................................................... 157
S06 PRINTING AND PHOTOGRAPHY .......................................................................................................... 171
SECTION T: .................................................................................................................................... PART 1
T01: DIGITAL COMPUTERS ........................................................................................................................... 197
T02: ANALOGUE AND HYBRID COMPUTERS ........................................................................................... 235
T03: DATA RECORDING ............................................................................................................................... 237
T04: COMPUTER PERIPHERAL EQUIPMENT ............................................................................................. 281
T05: COUNTING, CHECKING, VENDING, ATM AND POS SYSTEMS ....................................................... 295
T06: PROCESS AND MACHINE CONTROL ................................................................................................ 303
T07: TRAFFIC CONTROL SYSTEMS .............................................................................................................. 311
SECTION U ................................................................................................................................... PART 2
U11: SEMICONDUCTOR MATERIALS AND PROCESSES ........................................................................... 319
U12: DISCRETE DEVICES ............................................................................................................................. 355
U13: INTEGRATED CIRCUITS ........................................................................................................................ 367
U14: MEMORIES, FILM AND HYBRID CIRCUITS ......................................................................................... 373
U21: LOGIC CIRCUITS, ELECTRONIC SWITCHING AND CODING ............................................................ 389
U22: PULSE GENERATION AND MANIPULATION ..................................................................................... 401
U23: OSCILLATION AND MODULATION ...................................................................................................... 411
U24: AMPLIFIER AND LOW POWER SUPPLIES ......................................................................................... 419
U25: IMPEDANCE NETWORKS AND TUNING ........................................................................................... 433
SECTION V .................................................................................................................................... PART 2
V01: RESISTORS AND CAPACITORS ........................................................................................................... 441
V02: INDUCTORS AND TRANSFORMERS ................................................................................................. 455
V03: SWITCHES, RELAYS ............................................................................................................................ 465
V04: PRINTED CIRCUITS AND CONNECTORS ......................................................................................... 475
V05: VALVES, DISCHARGE TUBES AND CRTS ......................................................................................... 495
V06: ELECTROMECHANICAL TRANSDUCERS AND SMALL MACHINES ............................................... 533
V07: FIBRE-OPTICS AND LIGHT CONTROL............................................................................................... 553
V08: LASERS AND MASERS ........................................................................................................................ 561