SE7902170L - Avstemningssystem for mottagning av sammansatta radiofrekvenstelevisionssignaler - Google Patents

Avstemningssystem for mottagning av sammansatta radiofrekvenstelevisionssignaler

Info

Publication number
SE7902170L
SE7902170L SE7902170A SE7902170A SE7902170L SE 7902170 L SE7902170 L SE 7902170L SE 7902170 A SE7902170 A SE 7902170A SE 7902170 A SE7902170 A SE 7902170A SE 7902170 L SE7902170 L SE 7902170L
Authority
SE
Sweden
Prior art keywords
frequency
local oscillator
control voltage
incremented
nonstandard
Prior art date
Application number
SE7902170A
Other languages
Unknown language ( )
English (en)
Other versions
SE430200B (sv
Inventor
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
Application filed by Rca Corp filed Critical Rca Corp
Publication of SE7902170L publication Critical patent/SE7902170L/sv
Publication of SE430200B publication Critical patent/SE430200B/sv

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
    • H03J5/0281—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 the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
SE7902170A 1975-11-14 1979-03-09 Avstemningssystem for mottagning av sammansatta radiofrekvenstelevisionssignaler SE430200B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63206075A 1975-11-14 1975-11-14

Publications (2)

Publication Number Publication Date
SE7902170L true SE7902170L (sv) 1979-03-09
SE430200B SE430200B (sv) 1983-10-24

Family

ID=24533910

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7902170A SE430200B (sv) 1975-11-14 1979-03-09 Avstemningssystem for mottagning av sammansatta radiofrekvenstelevisionssignaler

Country Status (15)

Country Link
JP (2) JPS5828932B2 (sv)
AT (1) AT377878B (sv)
AU (1) AU512493B2 (sv)
BE (1) BE848283A (sv)
CA (1) CA1175586A (sv)
DE (1) DE2651297C3 (sv)
ES (1) ES453293A1 (sv)
FI (1) FI66269C (sv)
FR (2) FR2331917A1 (sv)
GB (1) GB1561544A (sv)
IT (2) IT1073074B (sv)
MX (1) MX3472E (sv)
NL (1) NL188065C (sv)
PL (1) PL114951B1 (sv)
SE (1) SE430200B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU514310B2 (en) * 1976-05-21 1981-02-05 Rca Corp. Tuner with pll
GB1564375A (en) * 1977-09-07 1980-04-10 Marconi Co Ltd Frequency generators
JPS598966B2 (ja) * 1979-04-10 1984-02-28 株式会社東芝 テレビジヨン受像機の制御装置
JPS5657324A (en) * 1979-10-16 1981-05-19 Sanyo Electric Co Ltd Digital electronic tuning system
JPS56162527A (en) * 1980-05-20 1981-12-14 Toshiba Corp Controller of television receiver
US4476580A (en) * 1980-06-17 1984-10-09 Sanyo Electric Co., Ltd. Automatic continuous tuning control apparatus for a receiver
US4521918A (en) * 1980-11-10 1985-06-04 General Electric Company Battery saving frequency synthesizer arrangement
ES8406020A1 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"
US4503465A (en) * 1982-11-24 1985-03-05 Rca Corporation Analog signal comparator using digital circuitry
EP0302290B1 (en) * 1987-08-03 1994-12-14 Motorola Inc. Automatic frequency control system
EP2449699A1 (fr) 2009-06-30 2012-05-09 Thomson Licensing Procede de reemission de signaux numeriques

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL166828C (nl) * 1971-05-08 1981-09-15 Matsushita Electric Ind Co Ltd Automatische kanaalkies-inrichting.
JPS4943084Y2 (sv) * 1971-06-29 1974-11-26
JPS4841361A (sv) * 1971-09-28 1973-06-16
JPS555729B2 (sv) * 1971-11-29 1980-02-08
DE2211664A1 (de) * 1972-03-10 1973-09-20 Loewe Opta Gmbh Abstimmeinheit fuer hochfrequenzempfangsgeraete
JPS5228321B2 (sv) * 1972-03-15 1977-07-26
US3803494A (en) * 1972-04-07 1974-04-09 Bendix Corp Pulse tuning control system for radio receivers
DE2217002B2 (de) * 1972-04-08 1976-04-15 Blaupunkt-Werke Gmbh, 3200 Hildesheim Empfaenger fuer einseitenbandmodulierte sender in einem festen traegerfrequenzraster
DE2333852A1 (de) * 1973-07-03 1975-01-23 Standard Elektrik Lorenz Ag Ueberlagerungsempfaenger mit einer digital einstellbaren abstimmanordnung
DE2333851A1 (de) * 1973-07-03 1975-01-23 Standard Elektrik Lorenz Ag Verfahren und anordnungen zur selbsttaetigen nachregelung der mit einer abstimmanordnunggeingestellten oszillatorfrequenz eines ueberlagerungsempfangsteils einer bild und/oder tonwiedergabeanordnung
IT1036497B (it) * 1975-07-11 1979-10-30 Indesit Circuito selezionatore di emittente in un ricevitore di segnali

Also Published As

Publication number Publication date
FI66269C (fi) 1984-09-10
CA1175586A (en) 1984-10-02
DE2651297A1 (de) 1977-05-26
JPS5829655B2 (ja) 1983-06-24
AT377878B (de) 1985-05-10
JPS5261904A (en) 1977-05-21
DE2651297C3 (de) 1987-04-16
JPS5696523A (en) 1981-08-04
GB1561544A (en) 1980-02-20
NL188065B (nl) 1991-10-16
IT1073074B (it) 1985-04-13
FI763252A (sv) 1977-05-15
AU512493B2 (en) 1980-10-16
MX3472E (es) 1980-12-09
JPS5828932B2 (ja) 1983-06-18
NL7612666A (nl) 1977-05-17
IT1100758B (it) 1985-09-28
IT7830200A0 (it) 1978-11-24
NL188065C (nl) 1992-03-16
DE2651297B2 (de) 1979-03-29
BE848283A (fr) 1977-03-01
AU1958176A (en) 1978-05-18
FR2331917A1 (fr) 1977-06-10
FI66269B (fi) 1984-05-31
SE430200B (sv) 1983-10-24
FR2495407A1 (fr) 1982-06-04
ATA848976A (de) 1984-09-15
ES453293A1 (es) 1977-11-16
FR2495407B1 (fr) 1986-01-17
FR2331917B1 (sv) 1982-07-09
PL114951B1 (en) 1981-03-31

Similar Documents

Publication Publication Date Title
US5115515A (en) Method and apparatus for radio communication with improved automatic frequency control
US4685150A (en) Tuning of a resonant circuit in a communications receiver
JPS5555639A (en) Demodulation system of multiplex modulation wave
US5079525A (en) Audio-video modulator system on ic chip
SE7902170L (sv) Avstemningssystem for mottagning av sammansatta radiofrekvenstelevisionssignaler
US4736456A (en) Tuning system for television sets
GB1480774A (en) Radio receivers
GB1359752A (en) Reception of hf electrical signals
JPS6460115A (en) Rds radio receiver
CA1041237A (en) Electronic system for automatically tuning to a selected television channel
US4339826A (en) Radio receiver having phase locked loop frequency synthesizer
US4245351A (en) AFT Arrangement for a phase locked loop tuning system
US4435618A (en) Adjacent station interference rejecting circuit
GB875909A (en) Improvements in and relating to electrical signal systems
US3509462A (en) Spurious-free phase-locked continuously tuned transceiver system
US2790072A (en) Tunable transceiver
US4172995A (en) SSB transceiver
JPS5924191Y2 (ja) シンセサイザ−受信機のａｆｃ回路
US4099123A (en) Electrical multi-channel signal transmission systems
US4156252A (en) Oscillator, and method of adjusting an oscillator to a standard
GB1300636A (en) Automatic frequency control system
US3982198A (en) Oscillators
JPS5732139A (en) Receiver
CA1144603A (en) Electrical multi-channel signal transmission systems
JPS5737906A (en) Fm receiver

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7902170-5

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7902170-5

Format of ref document f/p: F