FR871370A - Electric circuits - Google Patents
Electric circuitsInfo
- Publication number
- FR871370A FR871370A FR871370DA FR871370A FR 871370 A FR871370 A FR 871370A FR 871370D A FR871370D A FR 871370DA FR 871370 A FR871370 A FR 871370A
- Authority
- FR
- France
- Prior art keywords
- electric circuits
- circuits
- electric
- 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
Classifications
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US215822A US2231668A (en) | 1938-06-25 | 1938-06-25 | Electric circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR871370A true FR871370A (en) | 1942-04-22 |
Family
ID=22804541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR871370D Expired FR871370A (en) | 1938-06-25 | 1939-06-24 | Electric circuits |
Country Status (3)
Country | Link |
---|---|
US (1) | US2231668A (en) |
DE (1) | DE732535C (en) |
FR (1) | FR871370A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL74843C (en) * | 1941-10-31 | |||
US2434561A (en) * | 1944-07-08 | 1948-01-13 | Interchem Corp | Color facsimile |
US2560567A (en) * | 1946-10-09 | 1951-07-17 | Norman R Gunderson | Apparatus and method for use in color reproduction |
US2567240A (en) * | 1947-10-29 | 1951-09-11 | Miehle Printing Press & Mfg | Color facsimile system |
US2605348A (en) * | 1948-03-10 | 1952-07-29 | Time Inc | Color separation negative |
US2627547A (en) * | 1948-04-29 | 1953-02-03 | Rca Corp | Gamma control |
US2748190A (en) * | 1951-09-15 | 1956-05-29 | Eastman Kodak Co | Black printers and electrooptical methods of making them |
US2924648A (en) * | 1954-12-13 | 1960-02-09 | Rca Corp | Color television matrix amplifier |
CH341708A (en) * | 1956-04-18 | 1959-10-15 | Ag Dr Edgar Gretener | Method of making a subtractive color film copy |
US2918523A (en) * | 1956-10-30 | 1959-12-22 | Rca Corp | Color correction system |
US3147829A (en) * | 1960-06-15 | 1964-09-08 | Sealing Corp Of America | Telescoping elevating support |
US4763190A (en) * | 1986-06-30 | 1988-08-09 | Xerox Corporation | Digital color correction circuit |
-
1938
- 1938-06-25 US US215822A patent/US2231668A/en not_active Expired - Lifetime
-
1939
- 1939-06-24 FR FR871370D patent/FR871370A/en not_active Expired
- 1939-06-25 DE DEK154880D patent/DE732535C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2231668A (en) | 1941-02-11 |
DE732535C (en) | 1943-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR871370A (en) | Electric circuits | |
FR855242A (en) | Electrical switches | |
FR861703A (en) | Electric conductors | |
FR867830A (en) | Resonant electrical circuits | |
FR949907A (en) | Unsymmetrical conductor | |
FR856963A (en) | Advanced electric oscillators | |
FR851088A (en) | Electric capacitors | |
FR849033A (en) | Switchboard | |
FR855831A (en) | Electric circuits | |
FR852337A (en) | Electric capacitors | |
FR874739A (en) | Insulator | |
FR859674A (en) | Circuit breaker | |
FR842697A (en) | Circuit breaker | |
FR860354A (en) | Electric transmission circuits | |
FR856448A (en) | Electric oscillators | |
FR859670A (en) | Electric capacitors | |
FR860386A (en) | Electric resistors | |
FR847772A (en) | Insulator | |
FI19241A (en) | Suksiside | |
FI19384A (en) | Kylapparat | |
ES144035A1 (en) | HELIOGRAPH FILTERLIGHT | |
ES144804A1 (en) | AERO-SIGNALER | |
FI19169A (en) | Krage | |
FI19185A (en) | Limämne | |
FI19606A (en) | Hopfällbar äggkartong |