NL173342C - Televisieontvanger met een automatische afstemcorrectieschakeling. - Google Patents

Televisieontvanger met een automatische afstemcorrectieschakeling.

Info

Publication number
NL173342C
NL173342C NLAANVRAGE7310739,A NL7310739A NL173342C NL 173342 C NL173342 C NL 173342C NL 7310739 A NL7310739 A NL 7310739A NL 173342 C NL173342 C NL 173342C
Authority
NL
Netherlands
Prior art keywords
receiver
automatic tuning
correction switch
tuning correction
switch
Prior art date
Application number
NLAANVRAGE7310739,A
Other languages
English (en)
Other versions
NL7310739A (nl
NL173342B (nl
Inventor
Louis Joseph Gerardus Beriere
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7310739,A priority Critical patent/NL173342C/nl
Priority to US05/491,557 priority patent/US3968325A/en
Priority to DE2435858A priority patent/DE2435858C3/de
Priority to CA205,737A priority patent/CA1038076A/en
Priority to AU71804/74A priority patent/AU477496B2/en
Priority to IT69430/74A priority patent/IT1016744B/it
Priority to JP49087117A priority patent/JPS5927143B2/ja
Priority to AT627974A priority patent/AT335533B/de
Priority to GB3377774A priority patent/GB1475803A/en
Priority to ES428847A priority patent/ES428847A1/es
Priority to BE147213A priority patent/BE818400A/xx
Priority to FR747426927A priority patent/FR2239830B1/fr
Publication of NL7310739A publication Critical patent/NL7310739A/nl
Publication of NL173342B publication Critical patent/NL173342B/nl
Application granted granted Critical
Publication of NL173342C publication Critical patent/NL173342C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
    • 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
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • 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
NLAANVRAGE7310739,A 1973-08-03 1973-08-03 Televisieontvanger met een automatische afstemcorrectieschakeling. NL173342C (nl)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NLAANVRAGE7310739,A NL173342C (nl) 1973-08-03 1973-08-03 Televisieontvanger met een automatische afstemcorrectieschakeling.
US05/491,557 US3968325A (en) 1973-08-03 1974-07-24 Television receiver with noise immune AFC circuit
DE2435858A DE2435858C3 (de) 1973-08-03 1974-07-25 Automatische Abstimmkorrekturschaltung für Fernsehempfänger
CA205,737A CA1038076A (en) 1973-08-03 1974-07-26 Noise compensation in a t.v. receiver
AU71804/74A AU477496B2 (en) 1973-08-03 1974-07-30 Television receiver
JP49087117A JPS5927143B2 (ja) 1973-08-03 1974-07-31 テレビジヨン受像機
IT69430/74A IT1016744B (it) 1973-08-03 1974-07-31 Ricevitore di televisione
AT627974A AT335533B (de) 1973-08-03 1974-07-31 Fernsehempfanger
GB3377774A GB1475803A (en) 1973-08-03 1974-07-31 Television receiver
ES428847A ES428847A1 (es) 1973-08-03 1974-08-01 Perfeccionamientos introducidos en un receptor de televi- sion.
BE147213A BE818400A (fr) 1973-08-03 1974-08-01 Recepteur de television
FR747426927A FR2239830B1 (nl) 1973-08-03 1974-08-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7310739,A NL173342C (nl) 1973-08-03 1973-08-03 Televisieontvanger met een automatische afstemcorrectieschakeling.

Publications (3)

Publication Number Publication Date
NL7310739A NL7310739A (nl) 1975-02-05
NL173342B NL173342B (nl) 1983-08-01
NL173342C true NL173342C (nl) 1984-06-18

Family

ID=19819366

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7310739,A NL173342C (nl) 1973-08-03 1973-08-03 Televisieontvanger met een automatische afstemcorrectieschakeling.

Country Status (11)

Country Link
US (1) US3968325A (nl)
JP (1) JPS5927143B2 (nl)
AT (1) AT335533B (nl)
BE (1) BE818400A (nl)
CA (1) CA1038076A (nl)
DE (1) DE2435858C3 (nl)
ES (1) ES428847A1 (nl)
FR (1) FR2239830B1 (nl)
GB (1) GB1475803A (nl)
IT (1) IT1016744B (nl)
NL (1) NL173342C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382112A (en) * 1976-12-27 1978-07-20 Matsushita Electric Ind Co Ltd Automatic control circuit for local oscillating frequency
JPS5396613A (en) * 1977-02-03 1978-08-24 Matsushita Electric Ind Co Ltd Automatic controller for local oscillation frequency
US4091421A (en) * 1977-04-28 1978-05-23 Zenith Radio Corporation Television AFC system having complementary sound and picture carrier control effects
US4118740A (en) * 1977-07-21 1978-10-03 Zenith Radio Corporation Surface wave AFC discriminator with two zero crossings
JPS6049372B2 (ja) * 1978-03-30 1985-11-01 ソニー株式会社 テレビジヨン受像機
US4220974A (en) * 1978-10-30 1980-09-02 Rca Corporation AFT circuit
US4321624A (en) * 1978-10-30 1982-03-23 Rca Corporation AFT Circuit
US4263611A (en) * 1979-08-29 1981-04-21 Rca Corporation Television signal processing system
GB2061040B (en) * 1979-10-10 1983-08-10 Philips Electronic Associated Digital signal transmission system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435345A (en) * 1965-06-24 1969-03-25 Willis L Ashby System for detecting coherent energy in the presence of saturating noise
US3459887A (en) * 1966-04-11 1969-08-05 Zenith Radio Corp Automatic frequency control system
US3469025A (en) * 1966-05-23 1969-09-23 Rca Corp Automatic frequency control system
NL6905094A (nl) * 1969-04-01 1970-10-05
US3704420A (en) * 1970-07-20 1972-11-28 Us Navy Automatic frequency control for suppressed carrier receivers

Also Published As

Publication number Publication date
AU7180474A (en) 1976-02-05
CA1038076A (en) 1978-09-05
IT1016744B (it) 1977-06-20
ES428847A1 (es) 1976-08-16
AT335533B (de) 1977-03-10
FR2239830B1 (nl) 1979-02-09
NL7310739A (nl) 1975-02-05
ATA627974A (de) 1976-07-15
DE2435858A1 (de) 1975-02-27
JPS5927143B2 (ja) 1984-07-03
FR2239830A1 (nl) 1975-02-28
BE818400A (fr) 1975-02-03
US3968325A (en) 1976-07-06
DE2435858C3 (de) 1978-10-12
DE2435858B2 (de) 1978-02-16
NL173342B (nl) 1983-08-01
JPS5046039A (nl) 1975-04-24
GB1475803A (en) 1977-06-10

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Legal Events

Date Code Title Description
BC A request for examination has been filed
R1VN Request for mentioning name(s) of the inventor(s) in the patent or request for changing the name(s) of inventor(s) with respec
NP1 Patent granted (not automatically)
V4 Discontinued because of reaching the maximum lifetime of a patent