AT381819B - Einrichtung zum abstimmen eines empfaengers auf von der norm abweichende traegerfrequenzen - Google Patents

Einrichtung zum abstimmen eines empfaengers auf von der norm abweichende traegerfrequenzen

Info

Publication number
AT381819B
AT381819B AT0364577A AT364577A AT381819B AT 381819 B AT381819 B AT 381819B AT 0364577 A AT0364577 A AT 0364577A AT 364577 A AT364577 A AT 364577A AT 381819 B AT381819 B AT 381819B
Authority
AT
Austria
Prior art keywords
tuning
receiver
standard
carrier frequencies
frequencies different
Prior art date
Application number
AT0364577A
Other languages
German (de)
English (en)
Other versions
ATA364577A (de
Original Assignee
Rca Corp
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
Priority claimed from US05/688,521 external-priority patent/US4031549A/en
Priority claimed from US05/688,588 external-priority patent/US4109283A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of ATA364577A publication Critical patent/ATA364577A/de
Application granted granted Critical
Publication of AT381819B publication Critical patent/AT381819B/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • 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
    • H03J7/06—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 counters or frequency dividers
    • H03J7/065—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 counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
AT0364577A 1976-05-21 1977-05-20 Einrichtung zum abstimmen eines empfaengers auf von der norm abweichende traegerfrequenzen AT381819B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/688,521 US4031549A (en) 1976-05-21 1976-05-21 Television tuning system with provisions for receiving RF carrier at nonstandard frequency
US05/688,588 US4109283A (en) 1976-05-21 1976-05-21 Frequency counter for a television tuning system

Publications (2)

Publication Number Publication Date
ATA364577A ATA364577A (de) 1986-04-15
AT381819B true AT381819B (de) 1986-12-10

Family

ID=27104242

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0364577A AT381819B (de) 1976-05-21 1977-05-20 Einrichtung zum abstimmen eines empfaengers auf von der norm abweichende traegerfrequenzen

Country Status (10)

Country Link
JP (1) JPS5928297B2 (enrdf_load_stackoverflow)
AT (1) AT381819B (enrdf_load_stackoverflow)
AU (1) AU514310B2 (enrdf_load_stackoverflow)
DE (1) DE2722659C2 (enrdf_load_stackoverflow)
FI (1) FI65516C (enrdf_load_stackoverflow)
FR (1) FR2361789A1 (enrdf_load_stackoverflow)
GB (1) GB1581933A (enrdf_load_stackoverflow)
HK (1) HK33386A (enrdf_load_stackoverflow)
IT (1) IT1111661B (enrdf_load_stackoverflow)
SE (1) SE415720B (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917254A (enrdf_load_stackoverflow) * 1972-06-05 1974-02-15
US3949158A (en) * 1974-12-31 1976-04-06 Quasar Electronics Corporation Wide band aft circuit for television receiver
IT1073074B (it) * 1975-11-14 1985-04-13 Rca Corp Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
US4078212A (en) * 1976-02-27 1978-03-07 Rca Corporation Dual mode frequency synthesizer for a television tuning apparatus

Also Published As

Publication number Publication date
DE2722659C2 (de) 1985-05-30
FR2361789A1 (fr) 1978-03-10
DE2722659A1 (de) 1977-11-24
AU514310B2 (en) 1981-02-05
JPS5310920A (en) 1978-01-31
IT1111661B (it) 1986-01-13
FI771529A7 (enrdf_load_stackoverflow) 1977-11-22
AU2476177A (en) 1978-11-09
GB1581933A (en) 1980-12-31
SE7705644L (sv) 1977-11-22
HK33386A (en) 1986-05-23
JPS5928297B2 (ja) 1984-07-12
SE415720B (sv) 1980-10-20
ATA364577A (de) 1986-04-15
FI65516C (fi) 1984-05-10
FI65516B (fi) 1984-01-31
FR2361789B1 (enrdf_load_stackoverflow) 1982-11-19

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELA Expired due to lapse of time