JPS478568A - - Google Patents
Info
- Publication number
- JPS478568A JPS478568A JP8221371A JP8221371A JPS478568A JP S478568 A JPS478568 A JP S478568A JP 8221371 A JP8221371 A JP 8221371A JP 8221371 A JP8221371 A JP 8221371A JP S478568 A JPS478568 A JP S478568A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/50—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus
- G03B17/52—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus of the Land type
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D9/00—Diffusion development apparatus
- G03D9/02—Diffusion development apparatus using rupturable ampoules of liquid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/525—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
- H02M7/527—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8175770A | 1970-10-19 | 1970-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS478568A true JPS478568A (en) | 1972-05-06 |
| JPS52535B1 JPS52535B1 (en) | 1977-01-08 |
Family
ID=22166196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7182213A Pending JPS52535B1 (en) | 1970-10-19 | 1971-10-19 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS52535B1 (en) |
| DE (1) | DE2151588A1 (en) |
| ES (1) | ES396025A1 (en) |
| GB (1) | GB1362848A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123808A (en) * | 1973-04-11 | 1974-11-27 | ||
| JPS5116425A (en) * | 1974-07-31 | 1976-02-09 | Fuji Electric Co Ltd | |
| JPS5371589U (en) * | 1976-11-18 | 1978-06-15 | ||
| JPS53138877A (en) * | 1977-05-10 | 1978-12-04 | Saito Kougiyou Kk | Apparatus for disposal of excreta flushing cattle barns |
| JPS5937886A (en) * | 1982-07-27 | 1984-03-01 | Sanken Electric Co Ltd | Dc/ac conversion system |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719873A (en) * | 1971-06-15 | 1973-03-06 | Gen Electric | Current limiting control for an electric power system |
| US3716775A (en) * | 1971-07-14 | 1973-02-13 | Gen Electric | Short circuit protection means for power circuits |
| DE2323826C3 (en) * | 1973-05-11 | 1984-07-26 | Brown, Boveri & Cie Ag, 6800 Mannheim | Control device for a single or multi-phase inverter arrangement |
| DE2554259C3 (en) * | 1975-12-03 | 1982-03-18 | Danfoss A/S, 6430 Nordborg | Method and device for controlling a polyphase inverter |
| DE2554223C3 (en) * | 1975-12-03 | 1981-07-30 | Danfoss A/S, 6430 Nordborg | Control device for maintaining the stability of an inverter |
| JPS5917636B2 (en) * | 1979-07-13 | 1984-04-23 | 東洋電機製造株式会社 | PWM inverter device |
| FR2546685B1 (en) * | 1983-05-26 | 1988-12-02 | Impulsion L | METHOD FOR CONTROLLING VARIABLE SPEED OF POLYPHASE MOTORS FROM A DIRECT OR RECTIFIED CURRENT SOURCE |
-
1971
- 1971-10-15 ES ES71396025A patent/ES396025A1/en not_active Expired
- 1971-10-15 GB GB4805971A patent/GB1362848A/en not_active Expired
- 1971-10-16 DE DE19712151588 patent/DE2151588A1/en active Pending
- 1971-10-19 JP JP7182213A patent/JPS52535B1/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123808A (en) * | 1973-04-11 | 1974-11-27 | ||
| JPS5116425A (en) * | 1974-07-31 | 1976-02-09 | Fuji Electric Co Ltd | |
| JPS5371589U (en) * | 1976-11-18 | 1978-06-15 | ||
| JPS53138877A (en) * | 1977-05-10 | 1978-12-04 | Saito Kougiyou Kk | Apparatus for disposal of excreta flushing cattle barns |
| JPS5937886A (en) * | 1982-07-27 | 1984-03-01 | Sanken Electric Co Ltd | Dc/ac conversion system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1362848A (en) | 1974-08-07 |
| JPS52535B1 (en) | 1977-01-08 |
| DE2151588A1 (en) | 1972-04-27 |
| ES396025A1 (en) | 1974-04-16 |