JPH036615U - - Google Patents
Info
- Publication number
- JPH036615U JPH036615U JP1989065924U JP6592489U JPH036615U JP H036615 U JPH036615 U JP H036615U JP 1989065924 U JP1989065924 U JP 1989065924U JP 6592489 U JP6592489 U JP 6592489U JP H036615 U JPH036615 U JP H036615U
- Authority
- JP
- Japan
- Prior art keywords
- section
- pattern
- pattern section
- moving
- moving ring
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- G03B17/56—Accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2492—Pulse stream
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
Description
第1図はこの考案のレンズ読取装置の一実施例
の構成を示すブロツク図、第2図は従来のパター
ン部の模式的平面図、第3図はこの考案のパター
ン部の模式的展開平面図、第4図は第1図の実施
例における初期化動作を説明するフローチヤート
、第5図はこの考案のパターン部の他の実施例の
模式的平面図、第6図は、第5図の実施例の場合
における初期化動作を説明するフローチヤート、
第7図及び第8図は、この考案のパターン部とズ
ーム環の取付構造の他の実施例の構成を示す正面
図である。 1……ズームレンズ、2……ズーム環、3……
パターン部、4……DCモータ、5……モータ駆
動回路、6……駆動回路、7……フオトリフレク
タ、7A……赤外線発光ダイオード、7B……受
光素子、8……2値化回路、9……マイクロコン
ピユータ、10……テレスイツチ、11……ワイ
ドスイツチ、12……メインスイツチ。
の構成を示すブロツク図、第2図は従来のパター
ン部の模式的平面図、第3図はこの考案のパター
ン部の模式的展開平面図、第4図は第1図の実施
例における初期化動作を説明するフローチヤート
、第5図はこの考案のパターン部の他の実施例の
模式的平面図、第6図は、第5図の実施例の場合
における初期化動作を説明するフローチヤート、
第7図及び第8図は、この考案のパターン部とズ
ーム環の取付構造の他の実施例の構成を示す正面
図である。 1……ズームレンズ、2……ズーム環、3……
パターン部、4……DCモータ、5……モータ駆
動回路、6……駆動回路、7……フオトリフレク
タ、7A……赤外線発光ダイオード、7B……受
光素子、8……2値化回路、9……マイクロコン
ピユータ、10……テレスイツチ、11……ワイ
ドスイツチ、12……メインスイツチ。
Claims (1)
- 【実用新案登録請求の範囲】 レンズ群が取付けられ、前記レンズ群を移動さ
せるとき駆動される移動環と、 論理0に対応する第1の部分と、論理1に対応
する第2の部分が、周期的に形成されているパル
ス生成部を有する、前記移動環と連動して移動す
るパターン部と、 前記パターン部の前記第1の部分と第2の部分
を検出する検出部と、 前記検出部の出力をカウントし、前記移動環の
位置を決定するカウント部とを備え、 前記パターン部には、さらに、前記第1の部分
又は第2の部分からなる、前記パルス生成部にお
ける場合と異なる長さの基準部が形成されている
レンズ情報読取装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989065924U JPH036615U (ja) | 1989-06-06 | 1989-06-06 | |
US07/531,169 US5073790A (en) | 1989-06-06 | 1990-05-31 | Position sensing device |
DE4017794A DE4017794A1 (de) | 1989-06-06 | 1990-06-01 | Einrichtung zum feststellen der position eines beweglich angeordneten teils |
GB9012470A GB2234345A (en) | 1989-06-06 | 1990-06-05 | Position sensing device |
FR9006991A FR2647895A1 (fr) | 1989-06-06 | 1990-06-06 | Detecteur de position |
KR2019900008062U KR960000556Y1 (ko) | 1989-06-06 | 1990-06-07 | 구동링의 위치감지장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989065924U JPH036615U (ja) | 1989-06-06 | 1989-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH036615U true JPH036615U (ja) | 1991-01-23 |
Family
ID=13301007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989065924U Pending JPH036615U (ja) | 1989-06-06 | 1989-06-06 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5073790A (ja) |
JP (1) | JPH036615U (ja) |
KR (1) | KR960000556Y1 (ja) |
DE (1) | DE4017794A1 (ja) |
FR (1) | FR2647895A1 (ja) |
GB (1) | GB2234345A (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0553170A (ja) * | 1991-08-29 | 1993-03-05 | Canon Inc | 絞り装置を有する光学機器 |
GB2309519B (en) * | 1996-01-26 | 1999-12-15 | Asahi Optical Co Ltd | Encoder for camera |
US5781817A (en) * | 1996-01-26 | 1998-07-14 | Asahi Kogaku Kogyo Kabushiki Kaisha | Exposure controlling device and encoder for camera |
KR970071598A (ko) * | 1996-04-30 | 1997-11-07 | 배순훈 | 전자제품의 모드 판별 장치 |
AT406800B (de) * | 1998-03-09 | 2000-09-25 | Bauer Fritz | Steuerungssystem für ein objektiv einer kamera |
JP2001194574A (ja) * | 2000-01-11 | 2001-07-19 | Fuji Photo Film Co Ltd | 移動機構、レンズ鏡胴、及び撮像装置 |
US6724429B2 (en) | 2001-04-23 | 2004-04-20 | Panavision, Inc. | System for sensing and displaying lens data for high performance film and video cameras and lenses |
EP1393125A4 (en) | 2001-05-30 | 2007-02-07 | Panavision Inc | MANUAL REMOTE CONTROL FOR CAMERAS OR CAMCORDERS AND FOR LENSES |
JP5533055B2 (ja) * | 2010-03-10 | 2014-06-25 | ソニー株式会社 | 光学的測定装置及び光学的測定方法 |
CN102466842B (zh) * | 2010-11-09 | 2013-04-24 | 亚洲光学股份有限公司 | 光学装置及其镜头碰撞防止方法 |
US9307125B2 (en) * | 2012-10-11 | 2016-04-05 | Sony Corporation | Position detection device, lens barrel, and imaging apparatus |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2357061C2 (de) * | 1973-11-15 | 1985-02-14 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Abgabe von gleichmäßigen Impulsen bei bestimmten Winkelstellungen einer drehbaren Welle und zur Bildung von wenigstens einem Bezugssignal |
GB1484414A (en) * | 1974-05-28 | 1977-09-01 | Schneider Co Optische Werke | Adjusting device for variable-focus lenses |
US4442351A (en) * | 1981-10-05 | 1984-04-10 | General Electric Company | Optoelectronic incremental position encoder |
JPS6089709A (ja) * | 1983-10-21 | 1985-05-20 | Mitsubishi Electric Corp | 絶対位置検出装置 |
DE3403150C1 (de) * | 1984-01-31 | 1985-07-04 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Anordnung zur Erzeugung von Steuerimpulsen zum Betrieb eines Videoaufzeichnungs- und Wiedergabegeraetes |
JPH0754391B2 (ja) * | 1984-02-14 | 1995-06-07 | オリンパス光学工業株式会社 | カメラの露出制御装置 |
GB2157039B (en) * | 1984-04-03 | 1988-11-30 | Monarch Marking Systems Inc | System for controlling the advancement of a web of sheet stock containing a plurality of labels |
US4750821A (en) * | 1984-08-24 | 1988-06-14 | Canon Kabushiki Kaisha | Zoom lens assembly |
DE3602292A1 (de) * | 1986-01-25 | 1987-08-06 | Audi Ag | Geberanordnung |
FR2595461B1 (fr) * | 1986-03-04 | 1991-08-16 | Peugeot | Procede de reperage angulaire d'une machine tournante |
US4786803A (en) * | 1987-06-01 | 1988-11-22 | Hewlett-Packard Company | Single channel encoder with specific scale support structure |
-
1989
- 1989-06-06 JP JP1989065924U patent/JPH036615U/ja active Pending
-
1990
- 1990-05-31 US US07/531,169 patent/US5073790A/en not_active Expired - Lifetime
- 1990-06-01 DE DE4017794A patent/DE4017794A1/de not_active Withdrawn
- 1990-06-05 GB GB9012470A patent/GB2234345A/en not_active Withdrawn
- 1990-06-06 FR FR9006991A patent/FR2647895A1/fr active Pending
- 1990-06-07 KR KR2019900008062U patent/KR960000556Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2234345A (en) | 1991-01-30 |
FR2647895A1 (fr) | 1990-12-07 |
KR910001232U (ko) | 1991-01-24 |
US5073790A (en) | 1991-12-17 |
KR960000556Y1 (ko) | 1996-01-17 |
DE4017794A1 (de) | 1990-12-13 |
GB9012470D0 (en) | 1990-07-25 |
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