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| Class 321 Electrical conversion systems |
|---|
| cpc | description |
| 321/1 | (1) Frequency Conversion (F1 To F2) |
| 321/2 | (1) Frequency Conversion (F1 To F2) (2) f1 to D.C. to f2 |
| 321/3 | (1) Frequency Conversion (F1 To F2) (3) Phase and Frequency Conversion |
| 321/4 | (1) Frequency Conversion (F1 To F2) (3) Phase and Frequency Conversion (4) With Semiconductor |
| 321/5 | (1) Frequency Conversion (F1 To F2) (5) Dynamo-Electric Machine Type Converter |
| 321/6 | (1) Frequency Conversion (F1 To F2) (6) Mechanical Switch Type Converter |
| 321/7 | (1) Frequency Conversion (F1 To F2) (7) Semiconductor Type Converter |
| 321/8 | (1) Frequency Conversion (F1 To F2) (7) Semiconductor Type Converter (8) With S.C.R. Device |
| 321/9 | (1) Frequency Conversion (F1 To F2) (9) Discharge Type converter |
| 321/10 | (1) Frequency Conversion (F1 To F2) (9) Discharge Type converter (10) Impedance or Induction Type Converter |
| 321/11 | (1) Frequency Conversion (F1 To F2) (9) Discharge Type converter (11) Frequency Increasing (e.g., Freq. Multiplier) |
| 321/12 | (12) Current Conversion (E.G. Rectification, Derectification) |
| 321/13 | (12) Current Conversion (E.G. Rectification, Derectification) (13) Voltage Multiplication Using Series-Connected Capacitors or Rectifiers |
| 321/14 | (12) Current Conversion (E.G. Rectification, Derectification) (13) Voltage Multiplication Using Series-Connected Capacitors or Rectifiers (14) With Transistor or S.C.R. Device |
| 321/15 | (12) Current Conversion (E.G. Rectification, Derectification) (13) Voltage Multiplication Using Series-Connected Capacitors or Rectifiers (15) Combined Series-Connected Capacitors and Series-Connected Rectifiers |
| 321/16 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement |
| 321/17 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement (17) With Temperature Modifying Means |
| 321/18 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement (18) For diode or Semiconductor type converter |
| 321/19 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement (19) Combined Inductor or Transformer |
| 321/20 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement (20) Combined Capacitor |
| 321/21 | (12) Current Conversion (E.G. Rectification, Derectification) (16) Structural Arrangement (21) Combined Electrical Fuse |
| 321/22 | (12) Current Conversion (E.G. Rectification, Derectification) (22) A.C. to A.C. Conversion |
| 321/23 | (12) Current Conversion (E.G. Rectification, Derectification) (22) A.C. to A.C. Conversion (23) With Semiconductor Type Converter |
| 321/24 | (12) Current Conversion (E.G. Rectification, Derectification) (22) A.C. to A.C. Conversion (23) With Semiconductor Type Converter (24) S.C.R. Type Converter |
| 321/25 | (12) Current Conversion (E.G. Rectification, Derectification) (22) A.C. to A.C. Conversion (25) With Discharge Type Converter |
| 321/26 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion |
| 321/27 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter |
| 321/28 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter (28) With S.C.R. Device |
| 321/29 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter (29) With Pulse Width or Pulse Duration Modulation Means |
| 321/30 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter (30) With Logic Circuit |
| 321/31 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter (31) With Saturable Reactor |
| 321/32 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (27) With Semiconductor Type Converter (32) Free-Running Oscillator Type Converter |
| 321/33 | (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (33) With Discharge Type Converter |
| 321/34 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) |
| 321/35 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (35) Dynamo-Electric Machine or Induction Type Converter |
| 321/36 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (36) Mechanical Switch Type Converter |
| 321/37 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (36) Mechanical Switch Type Converter (37) Vibrating Switch Type Converter |
| 321/38 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (36) Mechanical Switch Type Converter (37) Vibrating Switch Type Converter (38) Plural Vibrating Switch Units |
| 321/39 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (36) Mechanical Switch Type Converter (37) Vibrating Switch Type Converter (39) With Capacitor |
| 321/40 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (40) Diode Type converter |
| 321/41 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter |
| 321/42 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter |
| 321/43 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (43) With Polyphase Output |
| 321/44 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (43) With Polyphase Output (44) With Logic Circuit |
| 321/45 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (43) With Polyphase Output (45) With Phase Control Means |
| 321/46 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (43) With Polyphase Output (46) With Pulse Responsive or Pulse Generating Means |
| 321/47 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (43) With Polyphase Output (47) With Diode |
| 321/48 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (48) With Logic Circuit |
| 321/49 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (49) With Phase Control |
| 321/50 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (50) With Saturable Reactor |
| 321/51 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (51) With Pulse Responsive or Pulse Generating Means |
| 321/52 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (51) With Pulse Responsive or Pulse Generating Means (52) Sawtooth, Square or Rectangular Wave Generating Means |
| 321/53 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (51) With Pulse Responsive or Pulse Generating Means (53) With Diode |
| 321/54 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (42) S.C.R. Type Converter (54) With Diode |
| 321/55 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter |
| 321/56 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (56) Free-Running Oscillator Type Converter |
| 321/57 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (56) Free-Running Oscillator Type Converter (57) With Polyphase Output |
| 321/58 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (56) Free-Running Oscillator Type Converter (58) With Saturable Reactor |
| 321/59 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (56) Free-Running Oscillator Type Converter (59) With Diode |
| 321/60 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (60) With Polyphase Output |
| 321/61 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (61) With Phase Control Means |
| 321/62 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (41) Semiconductor Type Converter (55) Transistor Type Converter (62) With Saturable Reactor |
| 321/63 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (63) Discharge Type Converter |
| 321/64 | (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (63) Discharge Type Converter (64) With Polyphase Output |
| 321/65 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) |
| 321/66 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (66) Dynamo-Electric Machine or Induction Type Converter |
| 321/67 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (66) Dynamo-Electric Machine or Induction Type Converter (67) With Polyphase Input |
| 321/68 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter |
| 321/69 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (69) Vibrating Switch Type Converter |
| 321/70 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (70) Rotating Contact Type Converter (e.g. Commutator and Brush) |
| 321/71 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (71) With Polyphase Input |
| 321/72 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (72) With Commutator Inductor or Reactor |
| 321/73 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (72) With Commutator Inductor or Reactor (73) With Discharge Tube with 3 or More Electrodes |
| 321/74 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (68) Mechanical Switch Type Converter (72) With Commutator Inductor or Reactor (74) With Diode |
| 321/75 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter |
| 321/76 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (76) With Converter Protective Means, Malfunction or Failure Detecting Means |
| 321/77 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (76) With Converter Protective Means, Malfunction or Failure Detecting Means (77) Fusible or Air Gap Type Protective Device |
| 321/78 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (76) With Converter Protective Means, Malfunction or Failure Detecting Means (78) With Indicating Means |
| 321/79 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (79) With S.C.R. Device |
| 321/80 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (79) With S.C.R. Device (80) With Polyphase Input |
| 321/81 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (79) With S.C.R. Device (81) With Phase Control Means |
| 321/82 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (79) With S.C.R. Device (82) With Pulse Responsive or Pulse Generating Means |
| 321/83 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (83) With Transistor |
| 321/84 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (83) With Transistor (84) With Saturable Reactor |
| 321/85 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (85) With Discharge Tube With 3 or More Electrodes |
| 321/86 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (86) With Polyphase Input |
| 321/87 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (86) With Polyphase Input (87) With Saturable Reactor |
| 321/88 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (88) With Saturable Reactor |
| 321/89 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (75) Diode type Converter (89) Diode Bridge Type Converter |
| 321/90 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter |
| 321/91 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (91) With Converter Protective Means, Malfunction or Failure Detecting Means |
| 321/92 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter |
| 321/93 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (93) With Light Responsive Means |
| 321/94 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (94) With Polyphase Input |
| 321/95 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (94) With Polyphase Input (95) With Logic Circuit |
| 321/96 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (94) With Polyphase Input (96) With Phase Control Means |
| 321/97 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (94) With Polyphase Input (97) With Pulse Responsive or Pulse Generating Means |
| 321/98 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (98) With Phase Control Means |
| 321/99 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (99) With Saturable Reactor |
| 321/100 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (100) With Pulse Responsive or Pulse Generating Means |
| 321/101 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter |
| 321/102 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (102) Cap in Open Atmosphere Type Converter |
| 321/103 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (103) With Converter Protective Means, Malfunction or Failure Detecting Means |
| 321/104 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (103) With Converter Protective Means, Malfunction or Failure Detecting Means (104) For Liquid Electrode Type Converter |
| 321/105 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) |
| 321/106 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input |
| 321/107 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (107) With Phase Control Means |
| 321/108 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (107) With Phase Control Means (108) With Saturable Reactor |
| 321/109 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (107) With Phase Control Means (109) With Transistor or Auxiliary Discharge Tube With 3 or More Electrodes |
| 321/110 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (110) With Saturable Reactor |
| 321/111 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (111) With Transistor or Auxiliary Discharge Tube With 3 or More Electrodes |
| 321/112 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (106) With Polyphase Input (112) With Interphase Transformer |
| 321/113 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (113) With Phase Control Means |
| 321/114 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (105) Liquid Electrode Type Converter (e.g., Mercury Arc Tube) (114) With Transistor or Auxiliary Discharge Tube With 3 or More Electrodes |
| 321/115 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (115) With Polyphase Input |
| 321/116 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (115) With Polyphase Input (116) With Phase Control Means or With Interphase Transformer |
| 321/117 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (117) With Phase Control Means |
| 321/118 | (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (101) Discharge Type Converter (118) With Saturable Reactor |
| 321/119 | (119) Phase Conversion (Ph1 To Ph2) |
| 321/120 | (119) Phase Conversion (Ph1 To Ph2) (120) Dynamo-Electric Machine or Induction Type Converter |
| 321/121 | (119) Phase Conversion (Ph1 To Ph2) (120) Dynamo-Electric Machine or Induction Type Converter (121) Semiconductor or Discharge Type Converter |