JPH0120727B2 - - Google Patents
Info
- Publication number
- JPH0120727B2 JPH0120727B2 JP56066313A JP6631381A JPH0120727B2 JP H0120727 B2 JPH0120727 B2 JP H0120727B2 JP 56066313 A JP56066313 A JP 56066313A JP 6631381 A JP6631381 A JP 6631381A JP H0120727 B2 JPH0120727 B2 JP H0120727B2
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- resistor
- transistor
- output
- integrating
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000010354 integration Effects 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000007704 transition Effects 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/083—Analogue circuits for control of exposure time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6631381A JPS57179824A (en) | 1981-04-28 | 1981-04-28 | Integration circuit for electronic shutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6631381A JPS57179824A (en) | 1981-04-28 | 1981-04-28 | Integration circuit for electronic shutter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57179824A JPS57179824A (en) | 1982-11-05 |
JPH0120727B2 true JPH0120727B2 (ko) | 1989-04-18 |
Family
ID=13312205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6631381A Granted JPS57179824A (en) | 1981-04-28 | 1981-04-28 | Integration circuit for electronic shutter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57179824A (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2858232B2 (ja) * | 1995-10-12 | 1999-02-17 | 株式会社スワニー | キャスター付きのスーツケース |
JP2938818B2 (ja) * | 1996-10-21 | 1999-08-25 | 株式会社スワニー | 鞄 |
FR2755590B1 (fr) | 1996-11-08 | 2000-04-07 | Swany Corp | Sac equipe de roulettes |
JP2802914B2 (ja) * | 1996-11-08 | 1998-09-24 | 株式会社スワニー | キャスター付きの鞄 |
JP2901932B2 (ja) * | 1997-01-07 | 1999-06-07 | 株式会社スワニー | 鞄 |
CN1279858C (zh) | 2002-05-24 | 2006-10-18 | 田村义昭 | 带折叠椅的行李箱 |
JP3793174B2 (ja) | 2003-05-21 | 2006-07-05 | 株式会社スワニー | キャスター付きの鞄 |
JP4276594B2 (ja) | 2004-08-04 | 2009-06-10 | 株式会社スワニー | キャスター付の鞄 |
EP2082664A2 (en) | 2008-01-28 | 2009-07-29 | Swany Corporation | Wheeled luggage and base-and-frame assembly therefor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5320939B2 (ko) * | 1973-05-25 | 1978-06-29 | ||
JPS5333442B2 (ko) * | 1974-11-08 | 1978-09-14 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6230013Y2 (ko) * | 1976-07-30 | 1987-08-01 | ||
JPS5333442U (ko) * | 1976-08-30 | 1978-03-23 |
-
1981
- 1981-04-28 JP JP6631381A patent/JPS57179824A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5320939B2 (ko) * | 1973-05-25 | 1978-06-29 | ||
JPS5333442B2 (ko) * | 1974-11-08 | 1978-09-14 |
Also Published As
Publication number | Publication date |
---|---|
JPS57179824A (en) | 1982-11-05 |
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