BE377922A - - Google Patents
Info
- Publication number
- BE377922A BE377922A BE377922DA BE377922A BE 377922 A BE377922 A BE 377922A BE 377922D A BE377922D A BE 377922DA BE 377922 A BE377922 A BE 377922A
- Authority
- BE
- Belgium
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
- H04N5/165—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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
- H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
- H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
- H03K4/39—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier
- H03K4/43—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
- H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
- H04N3/237—Distortion correction, e.g. for pincushion distortion correction, S-correction using passive elements, e.g. diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
- H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/36—Scanning of motion picture films, e.g. for telecine
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/0675—Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
-
- 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
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Direct Current Feeding And Distribution (AREA)
- Picture Signal Circuits (AREA)
- Details Of Television Scanning (AREA)
- Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US565226A US2289914A (en) | 1931-09-26 | 1931-09-26 | Television system |
| US401990XA | 1932-05-28 | 1932-05-28 | |
| GB2537433A GB413894A (en) | 1933-09-13 | 1933-09-13 | Improvements in or relating to television systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377922A true BE377922A (US06265458-20010724-C00033.png) |
Family
ID=31950339
Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377922D BE377922A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE387822D BE387822A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE391266D BE391266A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE390958D BE390958A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE389285D BE389285A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE390395D BE390395A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE398015D BE398015A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE395907D BE395907A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE371688D BE371688A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE396560D BE396560A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE393588D BE393588A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE371659D BE371659A (US06265458-20010724-C00033.png) | 1931-09-26 |
Family Applications After (11)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387822D BE387822A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE391266D BE391266A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE390958D BE390958A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE389285D BE389285A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE390395D BE390395A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE398015D BE398015A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE395907D BE395907A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE371688D BE371688A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE396560D BE396560A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE393588D BE393588A (US06265458-20010724-C00033.png) | 1931-09-26 | ||
| BE371659D BE371659A (US06265458-20010724-C00033.png) | 1931-09-26 |
Country Status (6)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE402568A (US06265458-20010724-C00033.png) * | 1933-04-13 | |||
| DE741454C (de) * | 1934-12-20 | 1943-11-11 | Telefunken Gmbh | Anordnung zur Erzeugung eines saegezahnfoermigen Stromverlaufs, insbesondere fuer die magnetische Ablenkung von Kathodenstrahlen fuer Oszillographen- und Fernsehzwecke |
| DE889309C (de) * | 1935-02-06 | 1953-09-10 | Telefunken Gmbh | Schaltungsanordnung zur Erzeugung eines saegezahnfoermigen Stromverlaufs zur magnetischen Ablenkung von Kathodenstrahlen, insbesondere fuer Fernsehzwecke |
| DE763069C (de) * | 1935-02-28 | 1953-02-09 | Rca Corp | Schaltungsanordnung zur Phasenverschiebung von Impulsen |
| DE755243C (de) * | 1935-05-25 | 1954-12-13 | Opta Radio A G | Anordnung zur Ablenkung des Kathodenstrahls in Kathodenstrahlroehren durch langsame Aufladung und ploetzliche nicht-lineare Entladung eines Kondensators |
| DE1018098B (de) * | 1935-08-06 | 1957-10-24 | Fernseh Gmbh | Anordnung zur Synchronisierung mehrerer Sendestellen von einer zentralen Stelle aus bei Fernseh- und Bilduebertragungen |
| BE418067A (US06265458-20010724-C00033.png) * | 1935-10-25 | |||
| US2140004A (en) * | 1936-02-03 | 1938-12-13 | Rca Corp | Electrical oscillation generator |
| GB479113A (en) * | 1936-04-29 | 1938-01-31 | Alan Dower Blumlein | Improvements in or relating to thermionic valve circuits particularly for use in television |
| GB479760A (en) * | 1936-08-10 | 1938-02-10 | Baird Television Ltd | Improvements in or relating to television and like systems |
| DE755117C (de) * | 1936-09-15 | 1951-07-26 | Fernseh Gmbh | Anordnung zur Erzeugung einer Anodenspannung fuer Elektronen-strahlroehren durch Gleichrichtung einer zur elektromagnetischen Strahlablenkung dienenden Kippschwingung |
| DE755706C (de) * | 1936-11-27 | 1954-11-29 | Opta Radio A G | Verfahren zur Erzeugung der Zeilen- und Bildwechselzeichen bei Fernsehsendern |
| DE741785C (de) * | 1937-11-29 | 1943-11-17 | Fernseh Gmbh | Verfahren zur UEbertragung von Fernsehbildern, deren Helligkeitsumfang geringer ist als der zur Verfuegung stehende Modulationsbereich |
| DE741537C (de) * | 1938-01-11 | 1943-11-12 | Fernseh Gmbh | Schaltanordnung zur selbsttaetigen Beseitigung der bei elektromagnetischer Strahlablenkung auftretenden Verzerrungen |
| DE758006C (de) * | 1939-02-26 | 1953-02-16 | Telefunken Gmbh | Stromsaegezahngenerator mit einem Parallelresonanzkreis, der aus einer Ablenkspule und ihrer Eigenkapazitaet besteht, und einer transformatorisch spannungsrueckgekoppelten Roehre |
| DE756444C (de) * | 1939-05-13 | 1953-01-19 | Aeg | Anordnung zum Linearisieren von aus Teilen einer Exponentialkurve bestehenden Kippschwingungen |
| US2548436A (en) * | 1946-01-25 | 1951-04-10 | Hazeltine Corp | Television receiver background control circuit |
| US2564554A (en) * | 1947-10-09 | 1951-08-14 | Rca Corp | Background control and synchronizing signal separating circuit |
| BE512424A (US06265458-20010724-C00033.png) * | 1950-06-25 | |||
| DE1022683B (de) * | 1953-01-08 | 1958-01-16 | Cie Generale D Electricite Soc | Verstaerker mit zeitlich veraenderlicher frequenzabhaengiger Verstaerkungs- und Phasendreh-Charakteristik |
| DE1274624B (de) * | 1955-01-07 | 1968-08-08 | Friedrich Herz | Verfahren zur Ablenkung des Kathodenstrahles beim Fernsehen durch sinusfoermige Spannungen abgeleitete Zeilen- und Bildablenkspannungen |
| US3293483A (en) * | 1962-01-08 | 1966-12-20 | Siemens Ag | Radiation controlled electron radiation source |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT113936B (de) * | 1926-10-19 | 1929-08-10 | Siemens Ag | Einrichtung zur Amplitudenbegrenzung. |
| DE482874C (de) * | 1927-01-03 | 1929-09-21 | Gen Electric | Empfangsanordnung fuer hochfrequente Signalstroeme mit automatischer Begrenzung der Signallautstaerke |
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0
- NL NL39554D patent/NL39554C/xx active
- NL NL61555D patent/NL61555B/xx unknown
- BE BE377922D patent/BE377922A/xx unknown
- FR FR741099D patent/FR741099A/fr not_active Expired
- BE BE387822D patent/BE387822A/xx unknown
- BE BE391266D patent/BE391266A/xx unknown
- BE BE390958D patent/BE390958A/xx unknown
- BE BE389285D patent/BE389285A/xx unknown
- BE BE390395D patent/BE390395A/xx unknown
- BE BE398015D patent/BE398015A/xx unknown
- BE BE395907D patent/BE395907A/xx unknown
- BE BE371688D patent/BE371688A/xx unknown
- BE BE396560D patent/BE396560A/xx unknown
- BE BE393588D patent/BE393588A/xx unknown
- BE BE371659D patent/BE371659A/xx unknown
-
1930
- 1930-06-26 FR FR699544D patent/FR699544A/fr not_active Expired
-
1931
- 1931-03-04 FR FR39840D patent/FR39840E/fr not_active Expired
- 1931-09-26 US US565226A patent/US2289914A/en not_active Expired - Lifetime
-
1932
- 1932-09-03 DE DER85803D patent/DE755140C/de not_active Expired
- 1932-09-08 GB GB25079/32A patent/GB408656A/en not_active Expired
-
1933
- 1933-05-29 GB GB15496/33A patent/GB401990A/en not_active Expired
- 1933-05-30 DE DER88042D patent/DE648195C/de not_active Expired
