JPH04334162A - 入力線周波数の変動を補償する方法及び装置 - Google Patents
入力線周波数の変動を補償する方法及び装置Info
- Publication number
- JPH04334162A JPH04334162A JP3331018A JP33101891A JPH04334162A JP H04334162 A JPH04334162 A JP H04334162A JP 3331018 A JP3331018 A JP 3331018A JP 33101891 A JP33101891 A JP 33101891A JP H04334162 A JPH04334162 A JP H04334162A
- Authority
- JP
- Japan
- Prior art keywords
- line frequency
- input line
- frequency
- zero crossings
- counter
- Prior art date
- 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
- 238000000034 method Methods 0.000 title claims description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 description 16
- 239000013078 crystal Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/14—Electronic sequencing control
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Control Or Security For Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/632969 | 1990-12-24 | ||
| US07/632,969 US5253179A (en) | 1990-12-24 | 1990-12-24 | Compensation for line frequency variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04334162A true JPH04334162A (ja) | 1992-11-20 |
Family
ID=24537739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3331018A Pending JPH04334162A (ja) | 1990-12-24 | 1991-12-16 | 入力線周波数の変動を補償する方法及び装置 |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9773489B2 (en) | 2012-11-05 | 2017-09-26 | Mitsubishi Electric Corporation | Active vibration noise control apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420516A (en) * | 1991-09-20 | 1995-05-30 | Audio Precision, Inc. | Method and apparatus for fast response and distortion measurement |
| US5391982A (en) * | 1992-02-22 | 1995-02-21 | Goldstar Co., Ltd. | Apparatus for automatically recognizing a frequency of a power supply and method thereof |
| US6732287B1 (en) * | 2000-06-22 | 2004-05-04 | Rockwell Automation Technologies, Inc. | Method for processing dynamically allocated timers in a real time operating system |
| CN115079553B (zh) * | 2022-06-28 | 2023-02-28 | 广州捷克易自动化设备有限公司 | 一种热流道时序控制器时间自校正方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1144986A (en) * | 1980-08-20 | 1983-04-19 | Canadian General Electric Company Limited | Frequency determining apparatus |
| JPH0767298B2 (ja) * | 1983-10-26 | 1995-07-19 | 株式会社東芝 | 像形成装置の原稿走査制御装置 |
| US4914680A (en) * | 1987-06-03 | 1990-04-03 | Sanyo Electric Co., Ltd. | Signal distinction circuit |
| DE3826107A1 (de) * | 1988-08-01 | 1990-02-08 | Diehl Gmbh & Co | Digital arbeitendes elektronisches geraet |
| US5107523A (en) * | 1990-12-11 | 1992-04-21 | Intel Corporation | Processor clock governor |
-
1990
- 1990-12-24 US US07/632,969 patent/US5253179A/en not_active Expired - Lifetime
-
1991
- 1991-08-29 BR BR919103733A patent/BR9103733A/pt not_active IP Right Cessation
- 1991-10-03 MX MX9101424A patent/MX9101424A/es unknown
- 1991-10-11 TW TW080108016A patent/TW222359B/zh active
- 1991-12-16 KR KR1019910023070A patent/KR920013044A/ko not_active Withdrawn
- 1991-12-16 JP JP3331018A patent/JPH04334162A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9773489B2 (en) | 2012-11-05 | 2017-09-26 | Mitsubishi Electric Corporation | Active vibration noise control apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| MX9101424A (es) | 1992-06-01 |
| TW222359B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-04-11 |
| KR920013044A (ko) | 1992-07-28 |
| BR9103733A (pt) | 1992-08-04 |
| US5253179A (en) | 1993-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20010213 |