NL171764B - Inrichting ten gebruike bij een hoogfrequentontvanger. - Google Patents
Inrichting ten gebruike bij een hoogfrequentontvanger.Info
- Publication number
- NL171764B NL171764B NLAANVRAGE7007911,A NL7007911A NL171764B NL 171764 B NL171764 B NL 171764B NL 7007911 A NL7007911 A NL 7007911A NL 171764 B NL171764 B NL 171764B
- Authority
- NL
- Netherlands
- Prior art keywords
- frequency receiver
- receiver
- frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
- H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/30—Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor
- H03J7/305—Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor in which an automatic frequency control circuit is brought in action after the scanning action has been stopped
-
- 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
- H04N5/505—Invisible or silent tuning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82919169A | 1969-06-02 | 1969-06-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7007911A NL7007911A (nl) | 1970-12-04 |
NL171764B true NL171764B (nl) | 1982-12-01 |
NL171764C NL171764C (nl) | 1983-05-02 |
Family
ID=25253792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7007911,A NL171764C (nl) | 1969-06-02 | 1970-06-01 | Inrichting ten gebruike bij een hoogfrequentontvanger. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3619492A (nl) |
JP (1) | JPS552770B1 (nl) |
DE (1) | DE2026106C2 (nl) |
FR (1) | FR2045791A1 (nl) |
GB (1) | GB1298618A (nl) |
NL (1) | NL171764C (nl) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA975064A (en) * | 1970-12-07 | 1975-09-23 | Matsushita Electric Industrial Co., Ltd. | Tuning system |
US3678183A (en) * | 1971-04-26 | 1972-07-18 | Ann P Montgomery | Automatic frequency control of voltage variable reactance tuned receivers |
US3882400A (en) * | 1972-11-27 | 1975-05-06 | Sony Corp | Broadcast receiver |
US3867568A (en) * | 1972-12-04 | 1975-02-18 | Warwick Electronics Inc | Control circuit for an afc system |
US3939427A (en) * | 1974-08-05 | 1976-02-17 | Quasar Electronics Corporation | Automatic fine tuning defeat circuit |
JPS5556058U (nl) * | 1978-10-12 | 1980-04-16 | ||
US4259689A (en) * | 1979-05-11 | 1981-03-31 | Bonner Edgar L | Television advertising editing system |
US4333110A (en) * | 1979-05-11 | 1982-06-01 | Faerber Nelson A | Television editing system |
NL184594C (nl) * | 1979-09-04 | 1989-09-01 | Philips Nv | Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling. |
US4575761A (en) * | 1983-04-28 | 1986-03-11 | Rca Corporation | AFT arrangement for a double conversion tuner |
DE3328555A1 (de) * | 1983-08-08 | 1985-02-28 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Empfaengerschaltung |
US4504973A (en) * | 1984-03-02 | 1985-03-12 | Aed Satellite Systems, Ltd. | Automatic disabling of AFC/AFT controller during receiver circuit tuning |
JPS6173416A (ja) * | 1984-09-19 | 1986-04-15 | Nec Corp | 自動周波数制御・自動利得制御回路 |
JPS62103796U (nl) * | 1985-12-20 | 1987-07-02 | ||
US4837623A (en) * | 1987-12-17 | 1989-06-06 | North American Philips Corporation | Television interrupt circuit |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2896018A (en) * | 1956-12-19 | 1959-07-21 | Rca Corp | Automatic frequency control apparatus |
US3131255A (en) * | 1962-01-02 | 1964-04-28 | Motorola Inc | Television control system |
DE1221317B (de) * | 1963-02-07 | 1966-07-21 | Gen Dynamics Corp | Schaltung zur selbsttaetigen Ausregelung von Frequenzschwankungen eines HF-Schwingkreises |
US3440544A (en) * | 1966-11-01 | 1969-04-22 | Motorola Inc | Manual,automatic,and semiautomatic tuning circuits utilizing voltage variable capacitance diodes |
US3467873A (en) * | 1966-12-19 | 1969-09-16 | Electrohome Ltd | A.f.c. defeat networks for signal seeking receivers |
DE1281502C2 (de) * | 1967-06-08 | 1975-01-16 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Inh. Max Grundig, 851OFürth | Schaltungsanordnung zur unterdrueckung der einschaltgeraeusche eines diodenabgestimmten hoerrundfunkempfaengers |
US3444477A (en) * | 1967-06-26 | 1969-05-13 | Rca Corp | Automatic frequency control apparatus especially suitable for integrated circuit fabrication |
NL149043B (nl) * | 1968-12-20 | 1976-03-15 | Matsushita Electric Ind Co Ltd | Automatische afsteminrichting voor een televisie-ontvanger. |
-
1969
- 1969-06-02 US US829191A patent/US3619492A/en not_active Expired - Lifetime
-
1970
- 1970-05-27 JP JP4552070A patent/JPS552770B1/ja active Pending
- 1970-05-27 DE DE2026106A patent/DE2026106C2/de not_active Expired
- 1970-05-28 GB GB25760/70A patent/GB1298618A/en not_active Expired
- 1970-06-01 FR FR7020041A patent/FR2045791A1/fr active Pending
- 1970-06-01 NL NLAANVRAGE7007911,A patent/NL171764C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS552770B1 (nl) | 1980-01-22 |
NL7007911A (nl) | 1970-12-04 |
US3619492A (en) | 1971-11-09 |
NL171764C (nl) | 1983-05-02 |
GB1298618A (en) | 1972-12-06 |
DE2026106A1 (de) | 1971-01-21 |
DE2026106C2 (de) | 1985-05-30 |
FR2045791A1 (nl) | 1971-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |