CA1175586A - Television frequency synthesizer for nonstandard frequency carriers - Google Patents

Television frequency synthesizer for nonstandard frequency carriers

Info

Publication number
CA1175586A
CA1175586A CA000265196A CA265196A CA1175586A CA 1175586 A CA1175586 A CA 1175586A CA 000265196 A CA000265196 A CA 000265196A CA 265196 A CA265196 A CA 265196A CA 1175586 A CA1175586 A CA 1175586A
Authority
CA
Canada
Prior art keywords
frequency
signal
local oscillator
control
carrier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000265196A
Other languages
English (en)
French (fr)
Inventor
John G.N. Henderson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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 CA1175586A publication Critical patent/CA1175586A/en
Expired legal-status Critical Current

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
CA000265196A 1975-11-14 1976-11-09 Television frequency synthesizer for nonstandard frequency carriers Expired CA1175586A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63206075A 1975-11-14 1975-11-14
US632,060 1975-11-14

Publications (1)

Publication Number Publication Date
CA1175586A true CA1175586A (en) 1984-10-02

Family

ID=24533910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000265196A Expired CA1175586A (en) 1975-11-14 1976-11-09 Television frequency synthesizer for nonstandard frequency carriers

Country Status (15)

Country Link
JP (2) JPS5828932B2 (nl)
AT (1) AT377878B (nl)
AU (1) AU512493B2 (nl)
BE (1) BE848283A (nl)
CA (1) CA1175586A (nl)
DE (1) DE2651297B2 (nl)
ES (1) ES453293A1 (nl)
FI (1) FI66269C (nl)
FR (2) FR2331917A1 (nl)
GB (1) GB1561544A (nl)
IT (2) IT1073074B (nl)
MX (1) MX3472E (nl)
NL (1) NL188065C (nl)
PL (1) PL114951B1 (nl)
SE (1) SE430200B (nl)

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 (nl) * 1971-06-29 1974-11-26
JPS4841361A (nl) * 1971-09-28 1973-06-16
JPS555729B2 (nl) * 1971-11-29 1980-02-08
DE2211664A1 (de) * 1972-03-10 1973-09-20 Loewe Opta Gmbh Abstimmeinheit fuer hochfrequenzempfangsgeraete
JPS5228321B2 (nl) * 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
IT7830200A0 (it) 1978-11-24
AT377878B (de) 1985-05-10
IT1073074B (it) 1985-04-13
MX3472E (es) 1980-12-09
NL188065C (nl) 1992-03-16
JPS5261904A (en) 1977-05-21
ES453293A1 (es) 1977-11-16
FI66269C (fi) 1984-09-10
DE2651297A1 (de) 1977-05-26
DE2651297C3 (nl) 1987-04-16
FR2495407A1 (fr) 1982-06-04
SE430200B (sv) 1983-10-24
JPS5829655B2 (ja) 1983-06-24
ATA848976A (de) 1984-09-15
FR2331917B1 (nl) 1982-07-09
PL114951B1 (en) 1981-03-31
BE848283A (fr) 1977-03-01
NL188065B (nl) 1991-10-16
IT1100758B (it) 1985-09-28
FR2495407B1 (fr) 1986-01-17
JPS5696523A (en) 1981-08-04
FI66269B (fi) 1984-05-31
DE2651297B2 (de) 1979-03-29
AU1958176A (en) 1978-05-18
JPS5828932B2 (ja) 1983-06-18
GB1561544A (en) 1980-02-20
FR2331917A1 (fr) 1977-06-10
FI763252A (nl) 1977-05-15
SE7902170L (sv) 1979-03-09
AU512493B2 (en) 1980-10-16
NL7612666A (nl) 1977-05-17

Similar Documents

Publication Publication Date Title
US4422096A (en) Television frequency synthesizer for nonstandard frequency carriers
KR920004105B1 (ko) 이중변환 텔레비젼 동조기 제어장치
US6094236A (en) Tuner circuit
US4025953A (en) Frequency synthesizer tuning system for television receivers
US4078212A (en) Dual mode frequency synthesizer for a television tuning apparatus
US5311318A (en) Double conversion digital tuning system using separate digital numbers for controlling the local oscillators
US4408349A (en) Receiver provided with a frequency synthesizer capable of storing fine tuning information
CA1175586A (en) Television frequency synthesizer for nonstandard frequency carriers
US4518993A (en) Television signal receiving system
CA2010176C (en) Tuner station selecting apparatus
US4038689A (en) Frequency synthesizer tuning system with manual fine tuning control
JPH0642636B2 (ja) 同調装置
JP2977328B2 (ja) 同調装置
US4077008A (en) Phase locked loop tuning system with station scanning provisions
US4484221A (en) Shared counter arrangement for a digital frequency locked loop tuning system for selectively measuring the frequencies of the LO and IF signals
US4358791A (en) Phase locked loop tuning control system including a sync activated AFT signal seeking arrangement
US5203032A (en) Station selecting apparatus
EP0339647B1 (en) An apparatus for receiving broadcasting
US4385315A (en) Phase locked loop tuning control system including a timed sync activated AFT signal seeking arrangement
US4245351A (en) AFT Arrangement for a phase locked loop tuning system
EP0420275B1 (en) Automatic frequency control method and receiving apparatus using thereof
JP2715347B2 (ja) 同調システム
KR830002781B1 (ko) 비표준 주파수 반송파용 텔레비죤 주파수 합성기
FI70101C (fi) Avstaemningssystem foer en avstaemningsdel av en televisionsmottagare
KR950009212B1 (ko) Vs 튜닝수신시 실제 채널 디스플레이방법

Legal Events

Date Code Title Description
MKEX Expiry