| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 01/17/1984 | US4426661 Television receiver including a circuit for doubling line scanning frequency |
| 01/10/1984 | US4425533 Generator for producing a d.c. supply voltage in a television receiver comprising a vertical scanning circuit |
| 12/13/1983 | US4419783 Remote control for a vacuum cleaner motor |
| 12/07/1983 | EP0095708A1 Ignition system |
| 11/16/1983 | EP0093727A1 Current transformer. |
| 11/08/1983 | US4414578 Flyback transformer |
| 11/08/1983 | US4414491 Current limiting power supply for electron discharge lamps |
| 11/08/1983 | CA1156732A1 High tension coil assembly |
| 11/02/1983 | EP0092870A2 Highfrequency-Transformer |
| 11/02/1983 | EP0092653A1 Current transformer for measuring apparatuses |
| 10/25/1983 | US4412198 Rotary transformer |
| 10/04/1983 | US4408176 Flyback transformer |
| 10/04/1983 | US4408175 Self centering current responsive pickup means |
| 09/27/1983 | US4406978 Horizontal deflection output transformer for a television receiver |
| 09/27/1983 | CA1154508A1 Inductive coupler |
| 09/13/1983 | US4403403 Method of making a fly back transformer |
| 08/31/1983 | EP0087138A1 Power supply system for automotive parts having a rotary component |
| 08/10/1983 | EP0085505A1 Electronic ballast system for gas discharge tubes |
| 08/03/1983 | EP0084912A1 High-voltage supply for an X-ray generator |
| 07/19/1983 | US4394636 Structure of a transformer |
| 07/12/1983 | US4392473 Ignition coil for an internal combustion engine |
| 07/06/1983 | EP0082966A1 Line transformer for television receivers |
| 07/05/1983 | CA1149456A1 Frequency multiplication |
| 06/28/1983 | US4390941 Static magnetic frequency multiplies |
| 06/28/1983 | US4390819 Television receiver ferroresonant power supply using a two-material magnetizable core arrangement |
| 06/22/1983 | EP0081842A2 Inductance or transformer |
| 06/14/1983 | US4388568 Line end stage including transformer for a television receiver |
| 06/07/1983 | US4387419 Stationary magnetic frequency multiplier |
| 06/07/1983 | US4387335 Constant-frequency dynamo with stationary armature |
| 05/31/1983 | US4386280 Removable contactless transmission clamp assembly system |
| 05/31/1983 | CA1147408A1 Fly-back transformer |
| 05/24/1983 | US4385273 Transducer for measuring a current-generated magnetic field |
| 05/18/1983 | EP0078908A2 Regulation transformer |
| 05/17/1983 | CA1146628A1 Voltage-measuring device for controlling the rectifiers of current-converters in high- voltage direct-current transmission systems |
| 05/10/1983 | US4382430 Ignition system |
| 05/03/1983 | CA1145822A1 Transformer for voltage regulators |
| 04/28/1983 | WO1983001535A1 Current sensor device with primary reduction winding |
| 04/06/1983 | EP0075884A1 High tension shielding electrode |
| 03/16/1983 | EP0074297A1 Hybrid compensated current transformer |
| 02/23/1983 | EP0072716A1 Method of manufacturing an ignition coil for internal combustion engines |
| 02/16/1983 | EP0072266A1 Method of obtaining a coil with a closed magnetic circuit and a permanent magnet for the ignition of combustion engines |
| 02/09/1983 | EP0071172A2 High voltage ignition transformer |
| 02/09/1983 | EP0071008A1 Line transformer, in particular a transformer for a television receiver |
| 02/08/1983 | CA1140974A1 Current transformer support assembly |
| 01/25/1983 | CA1140254A1 High frequency ferroresonant power supply for a deflection and high voltage circuit |
| 01/11/1983 | US4368407 Inductor-capacitor impedance devices and method of making the same |
| 01/05/1983 | EP0068494A2 Flyback transformer |
| 01/04/1983 | USRE31119 Fly-back transformer with a low ringing ratio |
| 12/15/1982 | EP0066804A2 Line transformer for television receivers |
| 12/15/1982 | EP0066803A2 Line transformer for television receivers |
| 12/15/1982 | EP0066749A1 Ignition system for internal-combustion engines |
| 12/14/1982 | US4364098 Multiple-channel rotary transformer circuit in a magnetic recording and/or reproducing apparatus |
| 12/07/1982 | US4363062 Inductive voltage transformer and circuit therefor |
| 12/07/1982 | US4362990 Current- and voltage-measurement transducer |
| 11/16/1982 | CA1135785A1 Unitary ballast structure for operating four fluorescent lamps |
| 11/03/1982 | EP0063636A1 Current transformer with annular case to be built in a metal cast high-tension switchgear installation |
| 10/26/1982 | US4356237 Porous encapsulating composition for electrical apparatus |
| 10/26/1982 | CA1134455A1 Doughnut-type transformer for resistance butt welding |
| 10/14/1982 | WO1982003476A1 Television receiver power supply |
| 10/12/1982 | US4354154 Measuring transformer for high-voltage switch-gear with metal encapsulation |
| 09/29/1982 | EP0061225A1 Stabilization ballast for operating a gas and/or vapour discharge lamp |
| 09/28/1982 | US4352079 High voltage ignition transformer |
| 09/14/1982 | CA1131745A1 Ignition coil |
| 08/17/1982 | US4345229 Amorphous metal ballasts and reactors |
| 08/17/1982 | CA1129953A1 High-voltage transformer |
| 08/10/1982 | US4344126 Low ripple D.C. power supply |
| 07/27/1982 | CA1128637A1 Ignition coil cover |
| 07/06/1982 | US4338657 High-voltage transformer-rectifier device |
| 06/29/1982 | US4337449 Magnetic transducer with a movable magnet |
| 06/22/1982 | CA1126370A1 Firing circuit for electric ignition element |
| 06/08/1982 | US4334206 Ferrite core type transformer |
| 06/08/1982 | CA1125360A1 Self generating ignition system |
| 05/25/1982 | US4331907 Deflection circuit linearity coil |
| 05/25/1982 | CA1124316A1 Current limiting devices |
| 05/18/1982 | US4330792 Video blanking circuit with controlled rate of unblanking |
| 05/12/1982 | EP0015905B1 Combined current and voltage transformers for a high voltage installation enclosed in a metal envelope filled with pressure gas |
| 04/28/1982 | EP0050432A1 Transformer |
| 04/28/1982 | EP0050317A1 Current transformer |
| 04/27/1982 | US4327311 Inductor-capacitor impedance devices and method of making the same |
| 04/27/1982 | CA1122666A1 Inductive coupler |
| 04/27/1982 | CA1122665A1 Ring transformer for resistance butt welders |
| 04/13/1982 | US4325096 Zero-phase current transformer |
| 04/06/1982 | US4323823 Unitary ballast structure for operating four fluorescent lamps |
| 04/06/1982 | US4323781 Tomographic X-ray diagnostic unit with the secondary of the high voltage transformer rotating with the X-ray source |
| 03/31/1982 | EP0048632A1 Ignition coils for internal combustion engines |
| 03/23/1982 | US4321572 Non-contacting power transfer device |
| 03/23/1982 | US4321493 Current transformer support assembly |
| 03/17/1982 | EP0047497A1 Transformer |
| 03/17/1982 | EP0047266A1 Low-loss reactor |
| 03/16/1982 | US4320372 Current transformer for a high-tension installation |
| 03/16/1982 | US4320337 Combined current and voltage converter for a compressed-gas insulated metal-enclosed high voltage installation |
| 03/09/1982 | US4319183 Control windings for self-saturating electrical reactors |
| 03/02/1982 | US4317979 High current high frequency current transformer |
| 02/17/1982 | EP0045739A1 A device for indicating an alternating current in a conductor |
| 01/13/1982 | EP0043744A1 Ignition coil for internal combustion engine |
| 01/13/1982 | EP0043615A1 High-voltage transformer |
| 01/05/1982 | US4309652 Current transforming circuits |
| 01/05/1982 | US4309519 Process for producing flyback transformer |
| 12/29/1981 | US4308495 Transformer for voltage regulators |
| 12/22/1981 | US4307334 Transformer for use in a static inverter |