NL46321C - - Google Patents
Info
- Publication number
- NL46321C NL46321C NL46321DA NL46321C NL 46321 C NL46321 C NL 46321C NL 46321D A NL46321D A NL 46321DA NL 46321 C NL46321 C NL 46321C
- Authority
- NL
- Netherlands
Links
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
- H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
- H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Amplifiers (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26848/34A GB449242A (en) | 1934-09-18 | 1934-09-18 | Improvements in apparatus for amplifying electrical variations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL46321C true NL46321C (forum.php) |
Family
ID=10250205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL46321D NL46321C (forum.php) | 1934-09-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2190753A (forum.php) |
| BE (1) | BE411185A (forum.php) |
| DE (1) | DE882416C (forum.php) |
| FR (1) | FR794557A (forum.php) |
| GB (1) | GB449242A (forum.php) |
| NL (1) | NL46321C (forum.php) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB515363A (en) * | 1938-05-30 | 1939-12-04 | John Hardwick | Improvements in or relating to thermionic valve circuits |
| US2647161A (en) * | 1947-09-17 | 1953-07-28 | Motorola Inc | Double triode clamping circuit for direct current reinsertion |
| GB688195A (en) * | 1948-02-11 | 1953-03-04 | Emi Ltd | Improvements in or relating to television transmitting systems |
| GB688200A (en) * | 1948-07-15 | 1953-03-04 | Emi Ltd | Improvements relating to television transmitting systems |
| AT29106B (de) * | 1948-08-10 | 1907-07-10 | Alois Dichtl | Verfahren zur Herstellung eines Vertilgungsmittels für Ratten, Mäuse u. dgl. |
| US2609443A (en) * | 1948-12-29 | 1952-09-02 | Rca Corp | Keyed automatic gain control |
| GB666289A (en) * | 1949-05-19 | 1952-02-06 | Emi Ltd | Improvements in or relating to television transmission systems |
| BE505991A (forum.php) * | 1950-09-20 | |||
| GB709715A (en) * | 1950-12-06 | 1954-06-02 | Emi Ltd | Improvements relating to non-linear electrical circuits |
| NL174245B (nl) * | 1951-12-05 | Saint Gobain | Inrichting voor het harden van vooraf gebogen glasplaten. | |
| US2708615A (en) * | 1952-03-01 | 1955-05-17 | Servo Corp | High-speed recorder |
| US2850627A (en) * | 1952-12-08 | 1958-09-02 | Philco Corp | System for maintaining predetermined portions of a signal at a predetermined value |
| BE535012A (forum.php) * | 1954-01-23 | |||
| NL103511C (forum.php) * | 1955-01-12 | |||
| US2913520A (en) * | 1955-12-05 | 1959-11-17 | Minnesota Mining & Mfg | Method of magnetically recording and reproducing television signals |
| FR2186793B1 (forum.php) * | 1972-05-30 | 1977-01-14 | Schlumberger Compteurs |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL48119C (forum.php) * | 1930-05-21 | |||
| FR742835A (forum.php) * | 1931-09-16 | 1933-03-17 | ||
| AT133846B (de) * | 1931-09-26 | 1933-06-26 | Rca Corp | Verfahren und Einrichtung für das Fernsehen. |
| BE401713A (forum.php) * | 1933-02-28 |
-
0
- NL NL46321D patent/NL46321C/xx active
- BE BE411185D patent/BE411185A/xx unknown
-
1934
- 1934-09-18 GB GB26848/34A patent/GB449242A/en not_active Expired
-
1935
- 1935-09-03 FR FR794557D patent/FR794557A/fr not_active Expired
- 1935-09-14 US US40532A patent/US2190753A/en not_active Expired - Lifetime
- 1935-09-17 DE DEE2344D patent/DE882416C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2190753A (en) | 1940-02-20 |
| BE411185A (forum.php) | |
| GB449242A (en) | 1936-06-18 |
| DE882416C (de) | 1953-07-09 |
| FR794557A (fr) | 1936-02-20 |