ATA210382A - Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems - Google Patents
Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystemsInfo
- Publication number
- ATA210382A ATA210382A AT2103/82A AT210382A ATA210382A AT A210382 A ATA210382 A AT A210382A AT 2103/82 A AT2103/82 A AT 2103/82A AT 210382 A AT210382 A AT 210382A AT A210382 A ATA210382 A AT A210382A
- Authority
- AT
- Austria
- Prior art keywords
- circuit arrangement
- automatic focus
- tuning system
- preventing blocking
- focus tuning
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/268,914 US4388649A (en) | 1981-06-01 | 1981-06-01 | AFT Lockout prevention system |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA210382A true ATA210382A (de) | 1991-08-15 |
AT394288B AT394288B (de) | 1992-02-25 |
Family
ID=23025049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0210382A AT394288B (de) | 1981-06-01 | 1982-05-28 | Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems |
Country Status (11)
Country | Link |
---|---|
US (1) | US4388649A (de) |
JP (1) | JPS583315A (de) |
KR (1) | KR880001130B1 (de) |
AT (1) | AT394288B (de) |
CA (1) | CA1185359A (de) |
DE (1) | DE3220219C2 (de) |
FI (1) | FI72246C (de) |
FR (1) | FR2507044B1 (de) |
GB (1) | GB2100535B (de) |
IT (1) | IT1151417B (de) |
SE (1) | SE451289B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4503465A (en) * | 1982-11-24 | 1985-03-05 | Rca Corporation | Analog signal comparator using digital circuitry |
US4599652A (en) * | 1984-02-17 | 1986-07-08 | Rca Corporation | Dual channel IF TV receiver with AFT derived from the picture carrier in the sound channel |
US4601060A (en) * | 1984-10-24 | 1986-07-15 | Rca Corporation | Automatic digital fine tuning system |
JPS6429969U (de) * | 1987-08-14 | 1989-02-22 | ||
US8224491B2 (en) * | 2007-11-30 | 2012-07-17 | Honeywell International Inc. | Portable wireless remote control unit for use with zoned HVAC system |
US10591877B2 (en) | 2013-12-11 | 2020-03-17 | Ademco Inc. | Building automation remote control device with an in-application tour |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US128849A (en) * | 1872-07-09 | Samuel s | ||
FR1524937A (fr) * | 1967-05-31 | 1968-05-10 | Sony Corp | Dispositif de commande automatique de fréquence, notamment pour récepteur de télévision et récepteur équipé d'un tel dispositif |
US3715495A (en) * | 1971-02-26 | 1973-02-06 | Matsushita Electric Ind Co Ltd | Signal seeking type auto-tuning television receiver |
US3949158A (en) * | 1974-12-31 | 1976-04-06 | Quasar Electronics Corporation | Wide band aft circuit for television receiver |
US4031549A (en) * | 1976-05-21 | 1977-06-21 | Rca Corporation | Television tuning system with provisions for receiving RF carrier at nonstandard frequency |
US4128849A (en) * | 1976-05-24 | 1978-12-05 | Admiral Corporation | Selectively coupled synthesizer for tuner of TV receiver |
NL183428B (nl) * | 1976-09-17 | 1988-05-16 | Philips Nv | Televisieontvanger met een synchrone detectieschakeling en een frequentieafwijkings-detectieschakeling. |
GB1580649A (en) * | 1976-11-10 | 1980-12-03 | Sanyo Electric Co | Automatic fine tuning circuit in television receiver |
US4100578A (en) * | 1977-05-03 | 1978-07-11 | Admiral Corporation | AFT summing circuit for varactor-type tuning systems |
JPS54150027A (en) * | 1978-05-18 | 1979-11-24 | Sony Corp | Television picture receiver |
US4263611A (en) * | 1979-08-29 | 1981-04-21 | Rca Corporation | Television signal processing system |
JPS5794276U (de) * | 1980-11-28 | 1982-06-10 | ||
US4358791A (en) * | 1980-12-01 | 1982-11-09 | Rca Corporation | Phase locked loop tuning control system including a sync activated AFT signal seeking arrangement |
-
1981
- 1981-06-01 US US06/268,914 patent/US4388649A/en not_active Expired - Lifetime
-
1982
- 1982-05-25 FI FI821856A patent/FI72246C/fi not_active IP Right Cessation
- 1982-05-26 SE SE8203276A patent/SE451289B/sv not_active IP Right Cessation
- 1982-05-26 IT IT21500/82A patent/IT1151417B/it active
- 1982-05-28 GB GB8215720A patent/GB2100535B/en not_active Expired
- 1982-05-28 AT AT0210382A patent/AT394288B/de not_active IP Right Cessation
- 1982-05-28 DE DE3220219A patent/DE3220219C2/de not_active Expired
- 1982-05-28 FR FR8209416A patent/FR2507044B1/fr not_active Expired
- 1982-05-31 JP JP57093930A patent/JPS583315A/ja active Granted
- 1982-05-31 KR KR8202436A patent/KR880001130B1/ko not_active IP Right Cessation
- 1982-05-31 CA CA000404103A patent/CA1185359A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR840000111A (ko) | 1984-01-30 |
FR2507044B1 (fr) | 1986-12-26 |
AT394288B (de) | 1992-02-25 |
FI821856A0 (fi) | 1982-05-25 |
SE8203276L (sv) | 1982-12-02 |
JPH0241926B2 (de) | 1990-09-20 |
CA1185359A (en) | 1985-04-09 |
DE3220219A1 (de) | 1982-12-23 |
IT8221500A1 (it) | 1983-11-26 |
KR880001130B1 (ko) | 1988-06-30 |
FR2507044A1 (fr) | 1982-12-03 |
IT1151417B (it) | 1986-12-17 |
IT8221500A0 (it) | 1982-05-26 |
FI72246C (fi) | 1987-04-13 |
US4388649A (en) | 1983-06-14 |
GB2100535B (en) | 1984-12-05 |
GB2100535A (en) | 1982-12-22 |
DE3220219C2 (de) | 1984-08-23 |
SE451289B (sv) | 1987-09-21 |
JPS583315A (ja) | 1983-01-10 |
FI72246B (fi) | 1986-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |