FR711446A - Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications - Google Patents
Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applicationsInfo
- Publication number
- FR711446A FR711446A FR711446DA FR711446A FR 711446 A FR711446 A FR 711446A FR 711446D A FR711446D A FR 711446DA FR 711446 A FR711446 A FR 711446A
- Authority
- FR
- France
- Prior art keywords
- telemechanics
- telecine
- television
- applications
- receiving systems
- 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
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
-
- 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)
- Television Receiver Circuits (AREA)
- Hybrid Cells (AREA)
- Luminescent Compositions (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR579664X | 1930-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR711446A true FR711446A (en) | 1931-09-09 |
Family
ID=8956285
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR711446D Expired FR711446A (en) | 1930-05-21 | 1930-05-21 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR39944D Expired FR39944E (en) | 1930-05-21 | 1930-07-22 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR40289D Expired FR40289E (en) | 1930-05-21 | 1930-11-08 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR40750D Expired FR40750E (en) | 1930-05-21 | 1931-03-14 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR49468D Expired FR49468E (en) | 1930-05-21 | 1937-12-01 | Improvements to synchronized systems, transmitters and receivers of television, telecine, telemechanics and other applications |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39944D Expired FR39944E (en) | 1930-05-21 | 1930-07-22 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR40289D Expired FR40289E (en) | 1930-05-21 | 1930-11-08 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR40750D Expired FR40750E (en) | 1930-05-21 | 1931-03-14 | Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications |
FR49468D Expired FR49468E (en) | 1930-05-21 | 1937-12-01 | Improvements to synchronized systems, transmitters and receivers of television, telecine, telemechanics and other applications |
Country Status (5)
Country | Link |
---|---|
US (1) | US1940161A (en) |
DE (1) | DE579664C (en) |
FR (5) | FR711446A (en) |
GB (1) | GB363605A (en) |
NL (1) | NL48119C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE882416C (en) * | 1934-09-18 | 1953-07-09 | Emi Ltd | Circuit arrangement for reintroducing the direct current component into electrical signals |
DE883771C (en) * | 1934-11-19 | 1953-07-20 | Emi Ltd | Circuit arrangement for cathode ray scanner |
DE931053C (en) * | 1934-02-28 | 1955-08-01 | Rca Corp | Television receiving device |
DE939510C (en) * | 1933-04-13 | 1956-03-15 | Emi Ltd | Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems |
DE967256C (en) * | 1933-02-10 | 1957-10-31 | Emi Ltd | Circuit arrangement for obtaining the amplitudes of a synchronizing pulse which exceed a certain minimum value |
DE976163C (en) * | 1950-11-30 | 1963-05-16 | Rca Corp | Separation stage for separating the synchronization pulses from a signal mixture consisting of image brightness signals and synchronization pulses in a television receiver |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE401738A (en) * | 1933-03-01 | |||
DE756008C (en) * | 1933-05-20 | 1954-11-22 | Opta Radio A G | Arrangement for filtering out the synchronization pulses and for regulating the degree of amplification |
DE748742C (en) * | 1934-07-31 | 1944-11-09 | Television broadcasting method in which the picture modulation is given from one side and the picture change synchronization pulses from the other side of a fixed value (black value or value of greatest brightness) | |
DE972011C (en) * | 1935-06-12 | 1959-05-06 | Fernseh Gmbh | Double-sided amplitude sieve |
BE422316A (en) * | 1936-07-05 | |||
DE766547C (en) * | 1936-11-12 | 1954-08-09 | Fernseh Gmbh | Circuit with a variable degree of amplification for the amplification of symbols |
DE959375C (en) * | 1937-07-22 | 1957-03-07 | Telefunken Gmbh | Circuit arrangement for synchronizing a process by means of pulses, in particular for television purposes |
US2240507A (en) * | 1938-10-05 | 1941-05-06 | Hazeltine Corp | Television synchronizing and control system |
DE751692C (en) * | 1941-02-27 | 1953-12-21 | Lorenz C Ag | Measurement methods, especially for broadband cables |
DE975765C (en) * | 1941-12-13 | 1962-08-23 | Philips Nv | Device for receiving signals transmitted with the aid of pulses of constant amplitude |
BE490426A (en) * | 1944-07-13 | |||
US2577355A (en) * | 1944-12-09 | 1951-12-04 | Bell Telephone Labor Inc | Pulse forming and shaping circuits |
DE977647C (en) * | 1950-07-21 | 1967-11-30 | Aga Ab | Device for separating the sync pulses in a television receiver |
DE959113C (en) * | 1951-06-16 | 1957-02-28 | Interessengemeinschaft Fuer Ru | Circuit for the separation of synchronization pulses from a composite signal with the aid of a biased diode |
DE1168950B (en) * | 1956-04-13 | 1964-04-30 | Loewe Opta Ag | Circuit arrangement for suppressing interference when separating the synchronizing pulses in the multi-grille amplitude screen tube of a television receiver |
GB933262A (en) * | 1959-03-26 | 1963-08-08 | Int Computers & Tabulators Ltd | Improvements in or relating to amplitude selection circuit |
-
0
- NL NL48119D patent/NL48119C/xx active
-
1930
- 1930-05-21 FR FR711446D patent/FR711446A/en not_active Expired
- 1930-07-22 FR FR39944D patent/FR39944E/en not_active Expired
- 1930-11-08 FR FR40289D patent/FR40289E/en not_active Expired
-
1931
- 1931-03-14 FR FR40750D patent/FR40750E/en not_active Expired
- 1931-04-21 US US531794A patent/US1940161A/en not_active Expired - Lifetime
- 1931-05-14 GB GB14291/31A patent/GB363605A/en not_active Expired
- 1931-05-22 DE DEC44846D patent/DE579664C/en not_active Expired
-
1937
- 1937-12-01 FR FR49468D patent/FR49468E/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967256C (en) * | 1933-02-10 | 1957-10-31 | Emi Ltd | Circuit arrangement for obtaining the amplitudes of a synchronizing pulse which exceed a certain minimum value |
DE939510C (en) * | 1933-04-13 | 1956-03-15 | Emi Ltd | Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems |
DE931053C (en) * | 1934-02-28 | 1955-08-01 | Rca Corp | Television receiving device |
DE882416C (en) * | 1934-09-18 | 1953-07-09 | Emi Ltd | Circuit arrangement for reintroducing the direct current component into electrical signals |
DE883771C (en) * | 1934-11-19 | 1953-07-20 | Emi Ltd | Circuit arrangement for cathode ray scanner |
DE976163C (en) * | 1950-11-30 | 1963-05-16 | Rca Corp | Separation stage for separating the synchronization pulses from a signal mixture consisting of image brightness signals and synchronization pulses in a television receiver |
Also Published As
Publication number | Publication date |
---|---|
FR49468E (en) | 1939-05-01 |
FR39944E (en) | 1932-03-19 |
FR40750E (en) | 1932-08-22 |
NL48119C (en) | |
US1940161A (en) | 1933-12-19 |
DE579664C (en) | 1933-07-01 |
GB363605A (en) | 1931-12-24 |
FR40289E (en) | 1932-06-08 |
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