JPS6437174U - - Google Patents
Info
- Publication number
- JPS6437174U JPS6437174U JP1987131094U JP13109487U JPS6437174U JP S6437174 U JPS6437174 U JP S6437174U JP 1987131094 U JP1987131094 U JP 1987131094U JP 13109487 U JP13109487 U JP 13109487U JP S6437174 U JPS6437174 U JP S6437174U
- Authority
- JP
- Japan
- Prior art keywords
- image
- image signal
- signal
- converting
- receiving element
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987131094U JPS6437174U (US20100056889A1-20100304-C00004.png) | 1987-08-28 | 1987-08-28 | |
| US07/237,210 US4907084A (en) | 1987-08-28 | 1988-08-29 | Image reading unit with black level control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987131094U JPS6437174U (US20100056889A1-20100304-C00004.png) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437174U true JPS6437174U (US20100056889A1-20100304-C00004.png) | 1989-03-06 |
Family
ID=15049835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987131094U Pending JPS6437174U (US20100056889A1-20100304-C00004.png) | 1987-08-28 | 1987-08-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4907084A (US20100056889A1-20100304-C00004.png) |
| JP (1) | JPS6437174U (US20100056889A1-20100304-C00004.png) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0732447B2 (ja) * | 1989-05-16 | 1995-04-10 | シャープ株式会社 | 読取装置 |
| US5010408A (en) * | 1989-09-25 | 1991-04-23 | Eastman Kodak Company | Doubly correlated sample and hold circuit |
| US5001565A (en) * | 1990-05-30 | 1991-03-19 | Dage-Mti, Inc. | Black level background compensation for target integrating television systems |
| US5164726A (en) * | 1991-06-12 | 1992-11-17 | Eastman Kodak Company | Self calibrating dual range a/d converter |
| US5329111A (en) * | 1991-06-27 | 1994-07-12 | Omron Corporation | Image reader with adjustable contrast range |
| US5157500A (en) * | 1991-09-30 | 1992-10-20 | Xerox Corporation | Amplifier-return-driven CCD offset control for scanning arrays |
| US5410365A (en) * | 1992-04-02 | 1995-04-25 | Sony Corporation | Video camera with coarse analog and fine digital black level adjustment |
| US5659355A (en) * | 1994-10-31 | 1997-08-19 | Eastman Kodak Company | CCD dark mean level correction circuit employing digital processing and analog subtraction requiring no advance knowledge of dark mean level |
| US6493032B1 (en) | 1996-06-24 | 2002-12-10 | Be Here Corporation | Imaging arrangement which allows for capturing an image of a view at different resolutions |
| US6331869B1 (en) | 1998-08-07 | 2001-12-18 | Be Here Corporation | Method and apparatus for electronically distributing motion panoramic images |
| US6459451B2 (en) | 1996-06-24 | 2002-10-01 | Be Here Corporation | Method and apparatus for a panoramic camera to capture a 360 degree image |
| US6373642B1 (en) | 1996-06-24 | 2002-04-16 | Be Here Corporation | Panoramic imaging arrangement |
| US6341044B1 (en) | 1996-06-24 | 2002-01-22 | Be Here Corporation | Panoramic imaging arrangement |
| US6466254B1 (en) | 1997-05-08 | 2002-10-15 | Be Here Corporation | Method and apparatus for electronically distributing motion panoramic images |
| US6356296B1 (en) | 1997-05-08 | 2002-03-12 | Behere Corporation | Method and apparatus for implementing a panoptic camera system |
| US6043837A (en) | 1997-05-08 | 2000-03-28 | Be Here Corporation | Method and apparatus for electronically distributing images from a panoptic camera system |
| JPH11313184A (ja) | 1998-04-27 | 1999-11-09 | Asahi Optical Co Ltd | フィルムスキャナ |
| JP2000091860A (ja) * | 1998-06-15 | 2000-03-31 | Texas Instr Inc <Ti> | オフセットを整合させた電荷結合増幅器及び変換器 |
| US6924832B1 (en) | 1998-08-07 | 2005-08-02 | Be Here Corporation | Method, apparatus & computer program product for tracking objects in a warped video image |
| US6369818B1 (en) | 1998-11-25 | 2002-04-09 | Be Here Corporation | Method, apparatus and computer program product for generating perspective corrected data from warped information |
| US6175454B1 (en) | 1999-01-13 | 2001-01-16 | Behere Corporation | Panoramic imaging arrangement |
| KR100393219B1 (ko) * | 2001-03-13 | 2003-07-31 | 삼성전자주식회사 | 자동 빔 전류 제한 회로 |
| US20020147991A1 (en) * | 2001-04-10 | 2002-10-10 | Furlan John L. W. | Transmission of panoramic video via existing video infrastructure |
| US20080195347A1 (en) * | 2005-02-23 | 2008-08-14 | Global Security Devices Ltd. | System and Method for Detecting Concealed Objects |
| US7667746B2 (en) * | 2006-07-11 | 2010-02-23 | Aptina Imaging Corporation | Method and apparatus for programmably setting a sampling delay in an image sensor device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947631A (en) * | 1974-02-27 | 1976-03-30 | Gte Sylvania Incorporated | Automatic video signal control circuit |
| US4484223A (en) * | 1980-06-12 | 1984-11-20 | Canon Kabushiki Kaisha | Image sensor |
| US4404462A (en) * | 1981-03-30 | 1983-09-13 | Edsyn, Inc. | Universal temperature control circuits |
| US4704633A (en) * | 1985-04-01 | 1987-11-03 | Fuji Photo Film Co., Ltd. | Method for reading out image information on an image having a wide dynamic range |
| GB8524198D0 (en) * | 1985-10-01 | 1985-11-06 | Rca Corp | Brightness controlled akb system |
| JPH0797830B2 (ja) * | 1986-04-08 | 1995-10-18 | ソニー株式会社 | ビデオカメラの黒レベル補正回路 |
-
1987
- 1987-08-28 JP JP1987131094U patent/JPS6437174U/ja active Pending
-
1988
- 1988-08-29 US US07/237,210 patent/US4907084A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4907084A (en) | 1990-03-06 |
