IT8021865A0 - Circuito di controllo automatico della frequenza e della fase dell'oscillatore orizzontale di un ricevitore televisivo utilizzante un rivelatore di fase pilotato ad una frequenza doppia di quella orizzontale. - Google Patents
Circuito di controllo automatico della frequenza e della fase dell'oscillatore orizzontale di un ricevitore televisivo utilizzante un rivelatore di fase pilotato ad una frequenza doppia di quella orizzontale.Info
- Publication number
- IT8021865A0 IT8021865A0 IT8021865A IT2186580A IT8021865A0 IT 8021865 A0 IT8021865 A0 IT 8021865A0 IT 8021865 A IT8021865 A IT 8021865A IT 2186580 A IT2186580 A IT 2186580A IT 8021865 A0 IT8021865 A0 IT 8021865A0
- Authority
- IT
- Italy
- Prior art keywords
- horizontal
- frequency
- control circuit
- television receiver
- phase
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/05—Synchronising circuits with arrangements for extending range of synchronisation, e.g. by using switching between several time constants
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/037,380 US4250525A (en) | 1979-05-09 | 1979-05-09 | Television horizontal AFPC with phase detector driven at twice the horizontal frequency |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8021865A0 true IT8021865A0 (it) | 1980-05-07 |
IT8021865A1 IT8021865A1 (it) | 1981-11-07 |
IT1195753B IT1195753B (it) | 1988-10-27 |
Family
ID=21894037
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21865/80A IT1195753B (it) | 1979-05-09 | 1980-05-07 | Circuito di controllo automatico della frequenza e della fase dell'oscillatore orizzontale di un ricevitore televisivo utilizzante un rivelatore di fase pilotato ad una frequenza doppia di quella orizzontale |
IT8622553A IT1213391B (it) | 1979-05-09 | 1986-12-03 | Circuito per la tempificazione in un apparato per la sincronizzazione di un anello ad aggancio di fase. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8622553A IT1213391B (it) | 1979-05-09 | 1986-12-03 | Circuito per la tempificazione in un apparato per la sincronizzazione di un anello ad aggancio di fase. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4250525A (it) |
JP (1) | JPS55156478A (it) |
AT (1) | AT389196B (it) |
CA (1) | CA1143830A (it) |
DE (1) | DE3017934C2 (it) |
FR (1) | FR2456450A1 (it) |
GB (1) | GB2050729B (it) |
HK (1) | HK36989A (it) |
IT (2) | IT1195753B (it) |
MY (1) | MY8500730A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679583A (en) * | 1979-12-03 | 1981-06-30 | Hitachi Ltd | Synchronizing signal discriminator |
US4348694A (en) * | 1980-12-29 | 1982-09-07 | Motorola, Inc. | Horizontal phase detector gain control |
US4677484A (en) * | 1985-05-10 | 1987-06-30 | Rca Corporation | Stabilizing arrangement for on-screen display |
DE3715929A1 (de) * | 1987-05-13 | 1988-11-24 | Thomson Brandt Gmbh | Schaltungsanordnung zur automatischen umschaltung der regelgeschwindigkeit eines phasenregelkreises |
DE3717444A1 (de) * | 1987-05-23 | 1988-12-08 | Thomson Brandt Gmbh | Schaltungsanordnung zur automatischen umschaltung der regelgeschwindigkeit eines phasenregelkreises |
JPH01222578A (ja) * | 1988-03-01 | 1989-09-05 | Matsushita Electric Ind Co Ltd | 水平自動周波数制御装置 |
JPH0591485A (ja) * | 1991-09-27 | 1993-04-09 | Sanyo Electric Co Ltd | クローズドキヤプシヨン放送受信装置 |
JP3439143B2 (ja) * | 1998-12-16 | 2003-08-25 | 三洋電機株式会社 | 水平同期回路 |
US7298352B2 (en) * | 2000-06-28 | 2007-11-20 | Lg.Philips Lcd Co., Ltd. | Apparatus and method for correcting gamma voltage and video data in liquid crystal display |
US8988122B2 (en) * | 2011-09-30 | 2015-03-24 | Intel Corporation | Apparatus and method for performing spread-spectrum clock control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688037A (en) * | 1970-09-30 | 1972-08-29 | Rca Corp | Synchronizing system |
NL171403C (nl) * | 1972-06-15 | 1983-03-16 | Philips Nv | Schakeling voor het opwekken van een stuursignaal voor de rasterafbuiging in een televisie-ontvanger, alsmede televisie-ontvanger daarvan voorzien. |
JPS5242492B2 (it) * | 1972-10-09 | 1977-10-25 | ||
DE2352355A1 (de) * | 1973-10-18 | 1975-04-24 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur synchronisierung eines fernsehempfaengers |
US3878336A (en) * | 1973-10-18 | 1975-04-15 | Rca Corp | Digital synchronizing system |
JPS51150228A (en) * | 1975-06-19 | 1976-12-23 | Victor Co Of Japan Ltd | Horizontal afc circuit |
US4144545A (en) * | 1977-12-19 | 1979-03-13 | Rca Corporation | Television horizontal oscillator frequency control arrangement for use with a tape recorder |
US4144544A (en) * | 1977-12-19 | 1979-03-13 | Rca Corporation | Television horizontal oscillator frequency control arrangement for use with tape recorder |
-
1979
- 1979-05-09 US US06/037,380 patent/US4250525A/en not_active Expired - Lifetime
-
1980
- 1980-05-07 IT IT21865/80A patent/IT1195753B/it active
- 1980-05-08 FR FR8010306A patent/FR2456450A1/fr active Pending
- 1980-05-08 GB GB8015251A patent/GB2050729B/en not_active Expired
- 1980-05-09 AT AT0250580A patent/AT389196B/de not_active IP Right Cessation
- 1980-05-09 DE DE3017934A patent/DE3017934C2/de not_active Expired
- 1980-05-09 CA CA000351682A patent/CA1143830A/en not_active Expired
- 1980-05-09 JP JP6216080A patent/JPS55156478A/ja active Granted
-
1985
- 1985-12-30 MY MY730/85A patent/MY8500730A/xx unknown
-
1986
- 1986-12-03 IT IT8622553A patent/IT1213391B/it active
-
1989
- 1989-05-04 HK HK369/89A patent/HK36989A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MY8500730A (en) | 1985-12-31 |
US4250525A (en) | 1981-02-10 |
FR2456450A1 (fr) | 1980-12-05 |
GB2050729B (en) | 1983-04-27 |
IT1195753B (it) | 1988-10-27 |
ATA250580A (de) | 1989-03-15 |
GB2050729A (en) | 1981-01-07 |
JPS55156478A (en) | 1980-12-05 |
AT389196B (de) | 1989-10-25 |
DE3017934C2 (de) | 1982-12-09 |
IT1213391B (it) | 1989-12-20 |
DE3017934A1 (de) | 1980-11-20 |
HK36989A (en) | 1989-05-12 |
IT8021865A1 (it) | 1981-11-07 |
IT8622553A0 (it) | 1986-12-03 |
JPS6126267B2 (it) | 1986-06-19 |
CA1143830A (en) | 1983-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |