DE3683174D1 - Selektive schaltung fuer photoempfaenger. - Google Patents
Selektive schaltung fuer photoempfaenger.Info
- Publication number
- DE3683174D1 DE3683174D1 DE8686301303T DE3683174T DE3683174D1 DE 3683174 D1 DE3683174 D1 DE 3683174D1 DE 8686301303 T DE8686301303 T DE 8686301303T DE 3683174 T DE3683174 T DE 3683174T DE 3683174 D1 DE3683174 D1 DE 3683174D1
- Authority
- DE
- Germany
- Prior art keywords
- selective switching
- photo receivers
- receivers
- photo
- selective
- 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
- 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
- G03B7/28—Circuitry to measure or to take account of the object contrast
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/711,176 US4561753A (en) | 1985-03-13 | 1985-03-13 | Selective photoresponsive sensing circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3683174D1 true DE3683174D1 (de) | 1992-02-13 |
Family
ID=24857058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686301303T Expired - Fee Related DE3683174D1 (de) | 1985-03-13 | 1986-02-24 | Selektive schaltung fuer photoempfaenger. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4561753A (de) |
EP (1) | EP0194778B1 (de) |
JP (1) | JPS61213734A (de) |
CA (1) | CA1254072A (de) |
DE (1) | DE3683174D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6195324A (ja) * | 1984-10-16 | 1986-05-14 | Canon Inc | カメラの露出制御装置 |
JP3456215B2 (ja) * | 1992-07-06 | 2003-10-14 | 株式会社ニコン | カメラの測光装置 |
JP3317132B2 (ja) * | 1996-03-11 | 2002-08-26 | 日産自動車株式会社 | 位置検出センサ |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3232191A (en) * | 1962-08-08 | 1966-02-01 | Eastman Kodak Co | Low-scene-brightness signal for photographic cameras |
US3511142A (en) * | 1967-03-21 | 1970-05-12 | Polaroid Corp | Exposure control means |
US3547017A (en) * | 1968-04-02 | 1970-12-15 | Eastman Kodak Co | Automatic exposure control system |
US3545350A (en) * | 1968-05-01 | 1970-12-08 | Polaroid Corp | Exposure control system for photographic apparatus |
US3563143A (en) * | 1968-07-03 | 1971-02-16 | Polaroid Corp | Exposure control system for document copying apparatus |
JPS495478B1 (de) * | 1970-10-02 | 1974-02-07 | ||
US3714442A (en) * | 1971-06-04 | 1973-01-30 | Eastman Kodak Co | Exposure control circuitry |
US3724343A (en) * | 1971-08-23 | 1973-04-03 | Bell & Howell Co | Analytical photographic exposure meter |
US3717077A (en) * | 1972-02-22 | 1973-02-20 | Eastman Kodak Co | Exposure control apparatus |
US3772517A (en) * | 1972-05-08 | 1973-11-13 | D Smith | Detailed photometer |
JPS4977628A (de) * | 1972-11-29 | 1974-07-26 | ||
JPS4991216A (de) * | 1972-12-29 | 1974-08-31 | ||
US3945732A (en) * | 1973-03-30 | 1976-03-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Light-measuring systems |
US3971046A (en) * | 1973-07-02 | 1976-07-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Systems for responding to non-uniform scene brightness |
US3994595A (en) * | 1973-07-23 | 1976-11-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Systems for statically determining brightness characteristics of an area to be photographed |
GB2047415B (en) * | 1979-02-28 | 1983-10-12 | Nippon Kogaku Kk | Photometric multi-metering device |
US4412730A (en) * | 1980-08-28 | 1983-11-01 | Nippon Kogaku K.K. | Metering device |
-
1985
- 1985-03-13 US US06/711,176 patent/US4561753A/en not_active Expired - Lifetime
- 1985-12-19 CA CA000498191A patent/CA1254072A/en not_active Expired
-
1986
- 1986-02-24 DE DE8686301303T patent/DE3683174D1/de not_active Expired - Fee Related
- 1986-02-24 EP EP86301303A patent/EP0194778B1/de not_active Expired - Lifetime
- 1986-03-10 JP JP61052344A patent/JPS61213734A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS61213734A (ja) | 1986-09-22 |
EP0194778B1 (de) | 1992-01-02 |
US4561753A (en) | 1985-12-31 |
EP0194778A2 (de) | 1986-09-17 |
CA1254072A (en) | 1989-05-16 |
EP0194778A3 (en) | 1988-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3751046T2 (de) | Vermittlungssystem. | |
DE3689554D1 (de) | Automatische Blattwendeeinrichtung. | |
DE3677544D1 (de) | Faksimile-geraet. | |
DE3678861D1 (de) | Empfangsanordnung fuer satellitensendungen. | |
DE3681474D1 (de) | Faksimile-geraet. | |
DE3481095D1 (de) | System fuer automatische ueberweisungen. | |
DE3767511D1 (de) | Inkubator fuer kleinkinder. | |
DE3788911T2 (de) | Verteiltes Paketvermittlungssystem. | |
DE3671684D1 (de) | Am-empfaenger. | |
DE3580568D1 (de) | Sicherheitsvorrichtung fuer ladenkarren. | |
DE3583917D1 (de) | Kanalumschaltsystem. | |
DE3687025T2 (de) | Halbleiterschalter. | |
DE3685635D1 (de) | Kanalumschaltungssystem. | |
DE3576228D1 (de) | Schalteinrichtung. | |
DE3750514D1 (de) | Schaltvorrichtung. | |
DE3683798D1 (de) | Faksimilegeraet. | |
DE3788941D1 (de) | Schaltvorrichtung. | |
FI864189A0 (fi) | Vaeska foer dokument. | |
NO864767L (no) | Papir-skjaereanordning. | |
DE3683174D1 (de) | Selektive schaltung fuer photoempfaenger. | |
DE3682970D1 (de) | Faksimilegeraet. | |
FI861982A (fi) | Sjoeankare anordnat foer nedsaenkning laengs en lutande bana. | |
ATE78966T1 (de) | Vermittlungsanordnungen fuer digitale fernmeldevermittlungssysteme. | |
DE3685680D1 (de) | Dehnschaltung fuer digitalsignale. | |
DK200088D0 (da) | Automatisk omskiftersystem til maritim radiotelef on |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |