1. Alternating current, direct current.

2. Direct-current potentiometers

3. Alternating-current or direct-current motoring dynamometers;

4. Apparatus for transforming direct current to alternating current

5. Machines for transforming direct current to alternating current

6. DC (direct current) to AC (alternate current) inverters

7. Inverters for transforming direct current to alternating current

8. AC/DC (alternating current/direct current) power supplies

9. Charging current: direct current/alternating current (number of phases/frequency) (3) : ...

10. Direct current (DC)/alternative current (AC) number of phases

11. Direct current is current with no reversals in polarity.

12. Direct current powered air conditioner

13. Alternating current and direct current portable power supply apparatus

14. DC to AC (direct current to alternating current) inverters

15. It is easier to transmit alternating current than direct current.

16. type of power supply (direct current, alternating current, compressed air

17. Voltage transformers for alternating current (AC) and direct current (DC)

18. type of power supply (direct current, alternating current, compressed air);

19. Direct current (DC)/alternative current (AC) (1) number of phases: ...

20. (For a more-detailed discussion of direct- and alternating-current Circuits, see electricity: Direct electric current and electricity

21. "AC/DC" is an abbreviation meaning "alternating current/direct current" electricity.

22. There a reason you're on direct current?

23. Switch disconnector for galvanic direct current interruption

24. Beside protection of direct and indirect contact isolation resistance is required for AC (Alternating Current) and DC (Direct Current) systems.

25. Electric power train consisting of separate Direct Current- or Alternating Current-buses

26. Alternating current and direct current portable power supply apparatus, systems and modules

27. 8 Diodes are electronic devices which rectify alternating current to direct current.

28. A method and apparatus for converting Direct Current (DC) to Alternating Current (AC).

29. Diode bridge An interconnection of diodes to rectify alternating current to direct current.

30. There a reason you' re on direct current?

31. Control devices for motors for controlling and regulating alternating current and direct current motors

32. The following distribution systems are allowed for direct current and single-phase alternating current:

33. The product concerned includes both direct current voltage lamps and alternating current voltage lamps

34. Alternative current motors (AC motors) or direct current motors (DC motors) for land vehicles

35. The product concerned includes both direct current voltage lamps and alternating current voltage lamps.

36. Servers with alternating current (ac)-direct current (dc) Single-Output Power Supply Units (PSUs)

37. Submarine direct-current network comprising high-power energy accumulators

38. Module extraction apparatus of high voltage direct current system

39. Battery banks emit Direct Current (DC) electricity but domestic electrical systems are Alternating Current (AC).

40. Apparatus for converting direct current to alternating current, apparatus for transforming, regulating and controlling electricity

41. Furthermore, the rectifier converts the alternating current into direct current which keeps the accumulator battery charged.

42. The utility model relates to a direct current forcipate ammeter.

43. They found that applying both alternating current (AC) and direct current (DC) could solve this problem.

44. A high-efficiency device (111) for generating alternating current signals from direct current power is disclosed.

45. Are you using alternate or direct current to charge it?

46. Current numerical signal processors are more than capable of performing direct control over the alternating current.

47. The invention relates to an inverter (20) for feeding power, which is provided by a direct-current source (10) by means of a direct-current connection (60), into an alternating-current network (30).

48. Electric control and regulating apparatus and inverters for transforming direct current from solar cells into alternating current

49. driven by 'on-off’ single phase alternate current' (AC) or ‘brushless direct current’ (BLDC) variable speed motors

50. A driver (308) drives the brushless direct current air curtain fan.

51. Transformers, Substations, Electric equipment, Cabinets (panels) of alternating and direct current.

52. Fan units for asynchronous motors, direct current electric motors, servo-motors

53. The arrays may generate power that is selectively distributed to direct current and alternating current power loads.

54. A direct current (DC) generator, not using a permanent magnet, requires a DC field current for excitation.

55. This fan is operated by a direct-current 12-volt motor.

56. Research on fuzzy PID control strategy for Brushless direct current motor

57. Wind and hydraulic machines including pumps, vacuum pumps, blowers, compressors and parts of the afore mentioned machines and devices, starting motors, alternating current motors and direct current motors (except for land vehicles) as well as alternating current generators and direct current generators

58. Alternating current motors (AC motors) or direct current motors (DC motors) for land vehicles (not including (their parts))

59. The movement detector generates a sensor signal (SS) containing a direct current component and an alternating current component.

60. Model electric engines speed controlling regulators, direct current as well as alternating current electric motors for driving models

61. Alternative current motors (AC motors) or direct current motors (DC motors) for land vehicles [not including "their parts"]

62. The plant produces direct current, which after conversion to alternating current is initiated immediately in the power system.

63. Method to enable standard alternating current (ac)/direct current (dc) power adapters to operate in high magnetic fields

64. The electrodes of the endovascular device connect with a direct current (DC) or alternating current (AC) measurement unit.

65. The adapter converts (rectifies) alternating current (AC — 240V) into direct current (DC — 12V) and transfers this to the plate.

66. The apparatus comprises AC generating means for generating a substantially sinusoidal alternating current (AC) drive current and DC generating means for generating a direct current (DC) bias current.

67. Ammeter, instrument for measuring either direct or alternating electric current, in amperes

68. A programmable load is a type of instrument emulating both alternating current (AC) and direct current (DC) resistance loads.

69. According to the invention, the direct current, which varies over time, is selected in such a way that the direct current corresponds to at least half of the instantaneous amplitudes of the alternating current signal to be transmitted.

70. . They can be used to power loads in direct current (DC) or - using an inverter - for alternating current loads (AC).

71. The inverter is a key component of the solar plant, transforming the generated direct current into grid-compliant alternating current.

72. Both Alternating Current (AC) and High-voltage Direct Current (HVDC) cables are used depending on transmission requirements and cost considerations.

73. ‘External electric power supply’ means an alternating current (AC) or direct current (DC) electric power supply outside of the vehicle.

74. The present invention relates to a method and an apparatus for a direct conversion receiver correcting a direct current (DC) offset.

75. Alternating or direct current motors other than for land vehicles and industrial automation

76. The following distribution systems are allowed for direct and single-phase alternating current

77. Second, current civil case judgment direct blemish and irregularity of the procedure analysis.

78. The following distribution systems are allowed for direct and single-phase alternating current:

79. Alternating current direct drive-type led power supply capable of coping with overvoltage

80. Workpiece material is translated to an output welding- type power that is alternating current (AC) power or direct current (DC) power.