KR100426552B1 - 휴대용비디오카메라 - Google Patents
휴대용비디오카메라 Download PDFInfo
- Publication number
- KR100426552B1 KR100426552B1 KR1019960008548A KR19960008548A KR100426552B1 KR 100426552 B1 KR100426552 B1 KR 100426552B1 KR 1019960008548 A KR1019960008548 A KR 1019960008548A KR 19960008548 A KR19960008548 A KR 19960008548A KR 100426552 B1 KR100426552 B1 KR 100426552B1
- Authority
- KR
- South Korea
- Prior art keywords
- motor
- driving
- supplied
- drive
- signal
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
-
- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/40—Special adaptations for controlling two or more stepping motors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Abstract
Description
Claims (2)
- 휴대용 비디오 카메라에 있어서,제1 사인 파형을 수신하는 제1 스테핑 모터에 의해 구동되는 줌 렌즈,제2사인 파형을 수신하는 제2 스테핑 모터에 의해 구동되는 포커스 렌즈,복수의 구동 속도로부터 사용자에 의해 선택된 모터 구동 속도 입력 및 상기 사용자에 의해 선택된 모터 방향 입력을 수신하는 외부 입력 수단,주위 온도를 측정하는 온도 센서,상기 제1 및 제2 사인 파형을 발생시키는 구동 신호 발생 수단,상기 사용자에 의해 선택된 상기 모터 구동 속도, 상기 사용자에 의해 선택된 상기 모터 방향, 상기 주위 온도, 및 상기 모터의 가속 및 감속에 기초하여, 상기 제1 및 제2 스테핑 모터의 최적의 구동 부하를 추정하며, 상기 추정된 구동 부하에 대응하는 진폭 제어 신호를 생성시키는 구동 부하 추정 수단,입력으로서 판독 클럭과, 상기 구동 부하 추정 수단에 의해 생성된 업/다운 신호를 갖는 어드레스 카운터,일정한 진폭만의 구동 신호상에 데이터를 저장하는 판독 전용 메모리 - 상기 일정한 진폭 구동 신호는 상기 어드레스 카운터로부터 제공된 어드레스 데이터에 응답하여 판독됨 -, 및상기 일정한 진폭 구동 신호가 제공되며, 상기 진폭 제어 신호에 의해 제어되어 가변 구동 신호를 출력하는 전압 제어 진폭기를 포함하며,상기 최적 구동 부하 추정 수단은 상기 사용자가 선택한 상기 모터 구동 속도에 대응하여 값을 설정하고, 상기 설정한 값을 상기 모터 구동 속도 이외의 복수의 구동 조건 중 적어도 1개에 따라 소정 수치만큼 증가 또는 감소시킴으로써 상기 추정된 구동 부하를 결정하는 휴대용 비디오 카메라.
- 제1항에 있어서,상기 구동 신호 발생 수단은, 상기 가변 진폭 구동 신호가 제공되는 제1 및 제2 PWM 발생 회로와,상기 제1 및 제2 PWM 발생 회로 각각과, 상기 제1 및 제2 스테핑 모터 각각에 결합되어, 상기 제1 및 제2 사인 파형을 갖는 상기 스테핑 모터를 생성 및 구동시키는 제1 및 제2 H 브릿지 회로를 더 포함하는 휴대용 비디오 카메라.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP95-093036 | 1995-03-27 | ||
| JP7093036A JPH08275590A (ja) | 1995-03-27 | 1995-03-27 | 携帯用ビデオカメラ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960036548A KR960036548A (ko) | 1996-10-28 |
| KR100426552B1 true KR100426552B1 (ko) | 2004-06-23 |
Family
ID=14071277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960008548A Expired - Fee Related KR100426552B1 (ko) | 1995-03-27 | 1996-03-27 | 휴대용비디오카메라 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6163341A (ko) |
| EP (1) | EP0735744B1 (ko) |
| JP (1) | JPH08275590A (ko) |
| KR (1) | KR100426552B1 (ko) |
| CN (1) | CN1080061C (ko) |
| ES (1) | ES2224152T3 (ko) |
| MY (1) | MY125830A (ko) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593963B1 (en) * | 1998-05-29 | 2003-07-15 | Agilent Technologies, Inc. | Programmable control of operational signals in a digital camera |
| US6642956B1 (en) | 1998-05-29 | 2003-11-04 | Agilent Technologies, Inc. | Digital image processor for a digital camera |
| US6867810B1 (en) * | 1998-09-04 | 2005-03-15 | Olympus Corporation | Lens device for a camera with a stepping motor drive optimized for speed and power saving |
| GB2413644A (en) * | 2004-04-28 | 2005-11-02 | Thomas Filin | Zoom lens driving motors |
| JP4639799B2 (ja) * | 2004-12-27 | 2011-02-23 | カシオ計算機株式会社 | カメラ装置、レンズ駆動方法 |
| JP2006208872A (ja) * | 2005-01-31 | 2006-08-10 | Pentax Corp | 光学装置及び手振れ補正装置の制御方法 |
| TWI384321B (zh) * | 2005-01-31 | 2013-02-01 | Hoya Corp | 光學影像穩定器及控制該光學影像穩定器之方法 |
| JP4731192B2 (ja) * | 2005-03-29 | 2011-07-20 | 三洋電機株式会社 | モータ駆動装置 |
| US7671556B2 (en) * | 2005-06-08 | 2010-03-02 | Rohm Co., Ltd. | Image sensing apparatus |
| CN101141109B (zh) * | 2006-09-07 | 2010-12-15 | 比亚迪股份有限公司 | 一种步进电机驱动集成电路 |
| US8947526B2 (en) * | 2006-12-07 | 2015-02-03 | Sensormatic Electronics, LLC | Video surveillance system having communication acknowledgement nod |
| JP5164721B2 (ja) * | 2007-08-22 | 2013-03-21 | キヤノン株式会社 | 撮像装置およびズーム制御方法 |
| JP2009289344A (ja) * | 2008-05-29 | 2009-12-10 | Sharp Corp | 駆動制御装置、駆動制御方法および光ピックアップ装置 |
| JP2011102951A (ja) * | 2009-11-12 | 2011-05-26 | Nikon Corp | 撮影用照明装置 |
| JP5637682B2 (ja) * | 2009-12-24 | 2014-12-10 | キヤノン株式会社 | 駆動制御装置、撮像装置、及び駆動制御方法 |
| US9291876B2 (en) | 2013-05-29 | 2016-03-22 | Allegro Microsystems, Llc | System and method for controlling a motor |
| JP6270530B2 (ja) * | 2014-02-21 | 2018-01-31 | キヤノン株式会社 | ステッピングモータの制御方法、プログラム、絞り制御装置および光学機器 |
| JP6418844B2 (ja) * | 2014-08-20 | 2018-11-07 | ルネサスエレクトロニクス株式会社 | 半導体装置、モータ制御装置、撮像装置用レンズユニット、および撮像装置 |
| US9952445B2 (en) | 2015-10-22 | 2018-04-24 | Stmicroelectronics, Inc. | Optical image stabilization synchronization of gyroscope and actuator drive circuit |
| US9964776B2 (en) | 2015-12-21 | 2018-05-08 | Stmicroelectronics, Inc. | Optical image stabilization actuator driver power distribution control |
| US9964777B2 (en) | 2015-12-21 | 2018-05-08 | Stmicroelectronics, Inc. | Optical image stabilization actuator driver power distribution control |
| CN205545047U (zh) * | 2015-12-31 | 2016-08-31 | 峰岹科技(深圳)有限公司 | 感应电机驱动系统 |
| CN108881729A (zh) * | 2018-07-30 | 2018-11-23 | 鹰利视医疗科技有限公司 | 一种内窥镜的自动对焦方法 |
| CN110927922A (zh) * | 2019-12-19 | 2020-03-27 | 中国科学院长春光学精密机械与物理研究所 | 一种光学系统快速切换倍率的装置及切换方法 |
| CN112436764B (zh) * | 2020-12-08 | 2022-05-24 | 广州市雅江光电设备有限公司 | 一种步进电机驱动的动态控制方法及系统 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851755A (en) * | 1988-03-01 | 1989-07-25 | Ampex Corporation | Low power stepper motor drive system and method |
| US5276318A (en) * | 1992-01-10 | 1994-01-04 | Canon Kabushiki Kaisha | Optical apparatus with lens position detection and control |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833372A (en) * | 1984-12-20 | 1989-05-23 | Tokico Ltd. | Control circuit for electric motor |
| US4991944A (en) * | 1988-12-27 | 1991-02-12 | Matsushita Electric Industrial Co., Ltd. | Zoom lens driving apparatus |
| JP3049723B2 (ja) * | 1990-03-13 | 2000-06-05 | ソニー株式会社 | 撮像装置 |
| JP2926840B2 (ja) * | 1990-03-13 | 1999-07-28 | ソニー株式会社 | モータ駆動装置 |
| JP3024164B2 (ja) * | 1990-04-13 | 2000-03-21 | ソニー株式会社 | オートフォーカス装置のモータ制御回路 |
| US5287223A (en) * | 1990-05-10 | 1994-02-15 | Canon Kabushiki Kaisha | Lens drive controlling apparatus |
| JPH0431808A (ja) * | 1990-05-28 | 1992-02-04 | Fuji Photo Optical Co Ltd | ズームレンズの制御装置 |
| JP2838734B2 (ja) * | 1991-05-02 | 1998-12-16 | キヤノン株式会社 | レンズ制御装置 |
| JP3289781B2 (ja) * | 1991-08-09 | 2002-06-10 | キヤノン株式会社 | 撮影装置 |
| GB2264405B (en) * | 1992-02-12 | 1996-06-12 | Mars Inc | Stepper motor drive circuit |
| JPH05281459A (ja) * | 1992-04-02 | 1993-10-29 | Mitsubishi Electric Corp | オートフォーカス装置 |
| JP3446220B2 (ja) * | 1992-05-21 | 2003-09-16 | ソニー株式会社 | モータ駆動装置 |
| JP2959293B2 (ja) * | 1992-07-14 | 1999-10-06 | キヤノン株式会社 | 撮像装置 |
| JPH0634872A (ja) * | 1992-07-14 | 1994-02-10 | Sony Corp | サンプリング系位置検出装置 |
| KR0147572B1 (ko) * | 1992-10-09 | 1998-09-15 | 김광호 | 자동 줌잉을 위한 피사체 추적방법 및 그 장치 |
-
1995
- 1995-03-27 JP JP7093036A patent/JPH08275590A/ja active Pending
-
1996
- 1996-03-21 US US08/619,178 patent/US6163341A/en not_active Expired - Lifetime
- 1996-03-25 ES ES96302036T patent/ES2224152T3/es not_active Expired - Lifetime
- 1996-03-25 EP EP96302036A patent/EP0735744B1/en not_active Expired - Lifetime
- 1996-03-26 MY MYPI96001138A patent/MY125830A/en unknown
- 1996-03-27 KR KR1019960008548A patent/KR100426552B1/ko not_active Expired - Fee Related
- 1996-03-27 CN CN96106017A patent/CN1080061C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851755A (en) * | 1988-03-01 | 1989-07-25 | Ampex Corporation | Low power stepper motor drive system and method |
| US5276318A (en) * | 1992-01-10 | 1994-01-04 | Canon Kabushiki Kaisha | Optical apparatus with lens position detection and control |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2224152T3 (es) | 2005-03-01 |
| JPH08275590A (ja) | 1996-10-18 |
| CN1080061C (zh) | 2002-02-27 |
| KR960036548A (ko) | 1996-10-28 |
| MY125830A (en) | 2006-08-30 |
| EP0735744A1 (en) | 1996-10-02 |
| EP0735744B1 (en) | 2004-09-01 |
| US6163341A (en) | 2000-12-19 |
| CN1138268A (zh) | 1996-12-18 |
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