1. A power supply circuit includes a switching control circuit (60) coupled to a switching regulator circuit (70).

2. Circuit switching controllers (electric)

3. The interface expanding circuit comprises a switching connecting circuit.

4. Circuit breaker for medium-voltage switching installations

5. Circuit and method for switching ac voltages

6. Switching unit having a unique address

7. Simplified biphasic defibrillator circuit with make-only switching

8. Current control switching circuit with current decrease prediction

9. Electrical circuit for switching and/or dimming loads

10. D/a converter with symmetrical differential switching circuit

11. Circuit arrangement for switching a current, and method for operating a semiconductor circuit breaker

12. Circuit for transforming, switching, adjusting or controlling electric power

13. Switching mode power supply apparatus comprising overvoltage protection circuit

14. Switching mode power supply apparatus comprising tilt compensation circuit

15. Installation switching device having an arc-quenching unit

16. This is unit 2-1 switching to seven.

17. Switching power amplification circuit having a pulse width correction function

18. Control circuit devices and switching elements proximity sensors, d.c. interface for proximity sensors and switching amplifiers (NAMUR)

19. Said digital-analog converter is furnished with a conversion voltage generation circuit and a switching circuit.

20. A charging control device comprises a capacitor, a comparison unit and a switching unit.

21. It is proposed, for a control unit used for implementing this method, that a decoder circuit (41) should be provided in the control unit (10); that circuit effects a switching operation whenever the microcomputer (40) accesses a particular address or address region.

22. Switching installations for switching telecommunications signals, in particular cross-connect systems and add/drop multiplexers, switches (circuit breakers)

23. Interlock switching circuit for protecting an electrical on-board power supply

24. The DC-AC conversion circuit has a plurality of switching elements.

25. Low-voltage switchgear and controlgear — Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

26. Advantageously, this provides significant reductions in both dynamic switching power and short circuit power in the adder circuit.

27. Low-voltage switchgear and controlgear — Part 5-1: Control circuit devices and switching elements — Electromechanical control circuit devices

28. Switch unit, in particular a circuit breaker

29. An Astable multivibrator circuit also termed as a regenerative switching circuit, is an electrical circuit that switches between HIGH and LOW states continuously

30. Switching-type power supply apparatus and control circuit capable of correcting power factor

31. A switching mode power supply apparatus comprising a tilt compensation circuit is disclosed.

32. A switching mode power supply apparatus comprising an overvoltage protection circuit is disclosed.

33. Transcutaneous energy transmission consists of switching circuit, transcutaneous transformer and rectification circuit, which is the basis of energy contactless transmission.

34. Thermal and electric accumulators, thermostatic valves, switching valves, mixing valves, heating circuit distributors

35. The regulating-voltage control chip (5) is connected to the control terminal of the regulating-voltage/switching circuit (1) through the photoelectrically coupling circuit (4), the output of the regulating-voltage/switching circuit (1) is connected to the input of the filtering/voltage-regulated output circuit (2), one output branch of the filtering/voltage-regulated output circuit (2) is connected to the power input of the regulating-voltage/switching circuit (1), the other is connected to the input of afterflow/reverse-prevented circuit (3), and the output of the afterflow/reverse-prevented circuit (3) is connected to the afterflow input of the regulating-voltage/switching circuit (1).

36. The input switching circuit (12) receives a first voltage and generates an AC voltage.

37. Electronic switching circuit and method for a communication interface having a cut-through buffer memory

38. Circuit-switching mobile data network transferring data between a mobile device and a base station.

39. The utility model relates to a non-contact electronic flash light for vehicles, which is composed of a pulse oscillating circuit, a switching circuit, a temperature automatic protection circuit.

40. Drive circuit of motor and outdoor unit of air conditioner

41. The second stage Boost circuit includes a second inductor (L2) and a second switching element (Q2).

42. Low-voltage switchgear and controlgear — Part 5-2: Control circuit devices and switching elements — Proximity switches

43. Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches

44. IEC magnetic Contactors provide precise ratings for power-circuit switching and automatic cutoffs during power failures.

45. Auxiliary switch accessory module unit for high ampere-rated circuit breaker

46. Lubricant circuit for a compressor unit and processes of circulating lubricant

47. Also, the present invention comprises a simple relay switching circuit, while excluding semiconductor switching devices, so as to operate adaptively in different system environments without additional modification.

48. A Contactor is an electrical device which is used for switching an electrical circuit on or off

49. The invention relates to a switching circuit for an electromagnetic source for the generation of acoustic waves.

50. The oscillatory circuit consists of a precharged capacitance (3), and inductance (4) and a switching element (5).

51. When the switching device is activated, current flows through the circuit and charges an energy storage element.

52. Low-voltage switchgear and controlgear — Part 5-9: Control circuit devices and switching elements — Flow rate switches

53. Electronic component, circuit carrier assembly and electronic unit comprising a heat accumulator

54. The module comprises a backlight unit, LED driver circuit and printed circuit boards with control electronics for pixel addressing only.

55. Method and apparatus for controlling switching timing of power recovery circuit in ac type plasma display panel system

56. Low-voltage switchgear and controlgear — Part 5-8: Control circuit devices and switching elements — Three-position enabling switches

57. The circuit element is controlled by an activation unit "A1, A2, A3, resp.

58. A voltage adjustable driver for a sine wave AC power supply includes a regulating-voltage/switching circuit (1), a filtering/ voltage-regulated output circuit (2), an afterflow/reverse-prevented circuit (3), a photoelectrically coupling circuit (4), and a regulating-voltage control chip (5).

59. Any movement detected by the sensor is signalled to the electronic switching circuit which automatically turns on the lights.

60. The first switching unit operates to selectively alter the first signal level to a second signal level.

61. The invention concerns an interlock switching circuit for protecting an electrical on-board power supply for an electrically drivable vehicle.

62. Immediately after switching on the control unit, absolute encoders return the absolute position value without the machine moving.

63. Electric apparatus and instruments (included in this class), for alarm and monitoring purposes, circuit breakers, switching equipment, detectors, fuses, electric contacts

64. Low-voltage switchgear and controlgear — Part 5-7: Control circuit devices and switching elements — Requirements for proximity devices with analogue output

65. A control circuit coordinates the operation of the batteries, AC inverters and the regeneration unit.

66. The circuit is particularly suited for identifying the charging unit signals of the telephone network.

67. Based on the circuit, also disclosed are a shift register and unit thereof, and display.

68. A control unit (18) is provided for switching between the rich fuel use or lean fuel use operational modes.

69. Low-voltage switchgear and controlgear — Part 5-7: Control circuit devices and switching elements - Requirements for proximity devices with analogue output

70. Low-voltage switchgear and controlgear -- Part 5-7: Control circuit devices and switching elements - Requirements for proximity devices with analogue output

71. An active-matrix organic light-emitting diode (AMOLED) pixel unit circuit and a display panel.

72. Low-voltage switchgear and controlgear - Part 5-7: Control circuit devices and switching elements - Requirements for proximity devices with analogue output

73. In a coil switching process, the non-polarized capacitor operates as a voltage or current absorption circuit between driving transistors (Q1, Q2).

74. Asynchronous motor unit comprising a frequency converter with electrical isolation in the dc voltage intermediate circuit

75. The traction unit circuit breakers shall trip automatically within three seconds after loss of line voltage.

76. A unit (12a, 12b, 12c, 12d) galvanically separates the processor (5) from an analog output circuit.

77. The delay mechanism enables proper synchronization of activation of the logic circuit and the alarm unit.

78. The sense circuit includes an AD conversion unit that is connected to the output signal line.

79. The invention also relates to a transceiver and an integrated circuit comprising such a detection unit.

80. Each node (12) has an access unit (13) with at least one directional coupler (30), an address recognition unit (70), a receiver (23), a synchronising unit (54) and a control (71) with a switching transmitter (72/73).