SE415720B - Anordning for avstemmning av en mottagare, innefattande en faslast slinga, till en standard- eller icke-standeard-radiofrekvensbervag - Google Patents

Anordning for avstemmning av en mottagare, innefattande en faslast slinga, till en standard- eller icke-standeard-radiofrekvensbervag

Info

Publication number
SE415720B
SE415720B SE7705644A SE7705644A SE415720B SE 415720 B SE415720 B SE 415720B SE 7705644 A SE7705644 A SE 7705644A SE 7705644 A SE7705644 A SE 7705644A SE 415720 B SE415720 B SE 415720B
Authority
SE
Sweden
Prior art keywords
standard
receiver
recording
radio frequency
fixed loop
Prior art date
Application number
SE7705644A
Other languages
English (en)
Swedish (sv)
Other versions
SE7705644L (sv
Inventor
R M Rast
C M Wine
J G N Henderson
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 SE7705644L publication Critical patent/SE7705644L/
Publication of SE415720B publication Critical patent/SE415720B/xx

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)
SE7705644A 1976-05-21 1977-05-13 Anordning for avstemmning av en mottagare, innefattande en faslast slinga, till en standard- eller icke-standeard-radiofrekvensbervag SE415720B (sv)

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
SE7705644L SE7705644L (sv) 1977-11-22
SE415720B true SE415720B (sv) 1980-10-20

Family

ID=27104242

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7705644A SE415720B (sv) 1976-05-21 1977-05-13 Anordning for avstemmning av en mottagare, innefattande en faslast slinga, till en standard- eller icke-standeard-radiofrekvensbervag

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
DE2722659A1 (de) 1977-11-24
FR2361789A1 (fr) 1978-03-10
FR2361789B1 (enrdf_load_stackoverflow) 1982-11-19
FI65516B (fi) 1984-01-31
GB1581933A (en) 1980-12-31
FI771529A7 (enrdf_load_stackoverflow) 1977-11-22
JPS5310920A (en) 1978-01-31
AT381819B (de) 1986-12-10
FI65516C (fi) 1984-05-10
HK33386A (en) 1986-05-23
IT1111661B (it) 1986-01-13
SE7705644L (sv) 1977-11-22
JPS5928297B2 (ja) 1984-07-12
AU2476177A (en) 1978-11-09
ATA364577A (de) 1986-04-15
AU514310B2 (en) 1981-02-05

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