IT1073074B - Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata - Google Patents

Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata

Info

Publication number
IT1073074B
IT1073074B IT28406/76A IT2840676A IT1073074B IT 1073074 B IT1073074 B IT 1073074B IT 28406/76 A IT28406/76 A IT 28406/76A IT 2840676 A IT2840676 A IT 2840676A IT 1073074 B IT1073074 B IT 1073074B
Authority
IT
Italy
Prior art keywords
frequency
television
carriers
non standardized
synthesizer
Prior art date
Application number
IT28406/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1073074B publication Critical patent/IT1073074B/it

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)
IT28406/76A 1975-11-14 1976-10-15 Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata IT1073074B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1073074B true IT1073074B (it) 1985-04-13

Family

ID=24533910

Family Applications (2)

Application Number Title Priority Date Filing Date
IT28406/76A IT1073074B (it) 1975-11-14 1976-10-15 Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
IT30200/78A IT1100758B (it) 1975-11-14 1978-11-24 Sistema di sintonizzazione per la ricezione di segnali televisivi composti a radiofrequenza

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT30200/78A IT1100758B (it) 1975-11-14 1978-11-24 Sistema di sintonizzazione per la ricezione di segnali televisivi composti a radiofrequenza

Country Status (15)

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

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 (it) * 1971-06-29 1974-11-26
JPS4841361A (it) * 1971-09-28 1973-06-16
JPS555729B2 (it) * 1971-11-29 1980-02-08
DE2211664A1 (de) * 1972-03-10 1973-09-20 Loewe Opta Gmbh Abstimmeinheit fuer hochfrequenzempfangsgeraete
JPS5228321B2 (it) * 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
FI763252A (it) 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
SE7902170L (sv) 1979-03-09
FR2495407A1 (fr) 1982-06-04
ATA848976A (de) 1984-09-15
ES453293A1 (es) 1977-11-16
FR2495407B1 (fr) 1986-01-17
FR2331917B1 (it) 1982-07-09
PL114951B1 (en) 1981-03-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951031