JPS5236026A - Range of drive control device for the electric focusing apparatus - Google Patents
Range of drive control device for the electric focusing apparatusInfo
- Publication number
- JPS5236026A JPS5236026A JP50111946A JP11194675A JPS5236026A JP S5236026 A JPS5236026 A JP S5236026A JP 50111946 A JP50111946 A JP 50111946A JP 11194675 A JP11194675 A JP 11194675A JP S5236026 A JPS5236026 A JP S5236026A
- Authority
- JP
- Japan
- Prior art keywords
- range
- control device
- drive control
- focusing apparatus
- electric focusing
- 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
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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50111946A JPS5236026A (en) | 1975-09-16 | 1975-09-16 | Range of drive control device for the electric focusing apparatus |
US05/717,799 US4067031A (en) | 1975-09-16 | 1976-08-25 | Device for limiting the extent of movement of a moveable member in a motor operated focussing device in a camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50111946A JPS5236026A (en) | 1975-09-16 | 1975-09-16 | Range of drive control device for the electric focusing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5236026A true JPS5236026A (en) | 1977-03-19 |
Family
ID=14574100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50111946A Pending JPS5236026A (en) | 1975-09-16 | 1975-09-16 | Range of drive control device for the electric focusing apparatus |
Country Status (2)
Country | Link |
---|---|
US (1) | US4067031A (ja) |
JP (1) | JPS5236026A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5859409A (ja) * | 1981-10-06 | 1983-04-08 | Copal Co Ltd | ズ−ムレンズのモ−タ駆動制御回路 |
JPS6321556A (ja) * | 1986-07-15 | 1988-01-29 | Hitachi Ltd | Dna塩基配列決定装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55155330A (en) * | 1979-05-23 | 1980-12-03 | Canon Inc | Semiautomatic focus adjuster |
JPS6230004Y2 (ja) * | 1980-09-10 | 1987-08-01 | ||
JPS5955735U (ja) * | 1982-10-05 | 1984-04-12 | 株式会社ニコン | 電動合焦可能な写真レンズ鏡筒 |
JPS5922011A (ja) * | 1982-07-28 | 1984-02-04 | Canon Inc | 自動焦点レンズの信号回路 |
DE3410201A1 (de) * | 1983-03-22 | 1984-10-04 | Olympus Optical Co., Ltd., Tokio/Tokyo | Mikroskop |
US4635124A (en) * | 1985-11-26 | 1987-01-06 | Rca Corporation | Auxiliary focusing circuit for automatic focusing camera |
TWM284812U (en) * | 2005-10-06 | 2006-01-01 | Inchan Technology Co Ltd | Auto-focusing camera base with detecting circuit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2434680A (en) * | 1944-08-02 | 1948-01-20 | Sperry Gyroscope Co Inc | Limit stop apparatus |
DE1955317A1 (de) * | 1969-11-04 | 1971-05-13 | Zeiss Ikon Ag | Kamera mit einem Objektiv,an dem Brennweite und Entfernung motorisch einstellbar sind |
JPS5229931B2 (ja) * | 1972-11-30 | 1977-08-04 | ||
US3811083A (en) * | 1973-04-09 | 1974-05-14 | Us Army | Automatic positioning device exhibiting high accuracy and repeatability |
JPS5647533B2 (ja) * | 1973-12-14 | 1981-11-10 | ||
JPS5414495Y2 (ja) * | 1974-08-12 | 1979-06-15 |
-
1975
- 1975-09-16 JP JP50111946A patent/JPS5236026A/ja active Pending
-
1976
- 1976-08-25 US US05/717,799 patent/US4067031A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5859409A (ja) * | 1981-10-06 | 1983-04-08 | Copal Co Ltd | ズ−ムレンズのモ−タ駆動制御回路 |
JPS6321556A (ja) * | 1986-07-15 | 1988-01-29 | Hitachi Ltd | Dna塩基配列決定装置 |
Also Published As
Publication number | Publication date |
---|---|
US4067031A (en) | 1978-01-03 |
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