BE881636A - Systeme d'accord numerique a verrouillage de frequence - Google Patents

Systeme d'accord numerique a verrouillage de frequence

Info

Publication number
BE881636A
BE881636A BE0/199336A BE199336A BE881636A BE 881636 A BE881636 A BE 881636A BE 0/199336 A BE0/199336 A BE 0/199336A BE 199336 A BE199336 A BE 199336A BE 881636 A BE881636 A BE 881636A
Authority
BE
Belgium
Prior art keywords
tuning system
frequency lock
digital tuning
digital
lock
Prior art date
Application number
BE0/199336A
Other languages
English (en)
Inventor
C Dages
Original Assignee
Jerrold Electronics 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 Jerrold Electronics Corp filed Critical Jerrold Electronics Corp
Publication of BE881636A publication Critical patent/BE881636A/fr

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
    • H03J5/0254—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 transfered to a D/A converter
    • H03J5/0263—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 transfered to a D/A converter 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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
BE0/199336A 1979-02-08 1980-02-08 Systeme d'accord numerique a verrouillage de frequence BE881636A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/010,408 US4476584A (en) 1979-02-08 1979-02-08 Digital frequency lock tuning system

Publications (1)

Publication Number Publication Date
BE881636A true BE881636A (fr) 1980-05-30

Family

ID=21745632

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/199336A BE881636A (fr) 1979-02-08 1980-02-08 Systeme d'accord numerique a verrouillage de frequence

Country Status (6)

Country Link
US (1) US4476584A (fr)
JP (1) JPS55156417A (fr)
BE (1) BE881636A (fr)
CA (2) CA1155242A (fr)
DE (1) DE3004008A1 (fr)
GB (1) GB2041682B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104415A (nl) * 1981-09-25 1983-04-18 Philips Nv Afstemschakeling met een frequentiesyntheseschakeling.
CA1259378A (fr) * 1985-09-19 1989-09-12 Noriaki Omoto Caf pour recepteur fm a large bande
WO1987007794A1 (fr) * 1986-06-03 1987-12-17 Information Resources, Inc. Commande de syntonisation rapide caracterisee pour un systeme de television
US4748684A (en) * 1986-06-03 1988-05-31 Information Resources, Inc. Fast tuning control for a television system
GB2199708B (en) * 1986-11-01 1991-05-01 Storno As Digital automatic frequency control
US4955074A (en) * 1988-05-30 1990-09-04 Matsushita Electric Industrial Co., Ltd. AFC apparatus with selection between average value mode and keyed mode
GB2259418B (en) * 1991-09-05 1995-10-11 Jalco Co Ltd RF modulator
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US6400996B1 (en) 1999-02-01 2002-06-04 Steven M. Hoffberg Adaptive pattern recognition based control system and method
US6418424B1 (en) 1991-12-23 2002-07-09 Steven M. Hoffberg Ergonomic man-machine interface incorporating adaptive pattern recognition based control system
US5903454A (en) 1991-12-23 1999-05-11 Hoffberg; Linda Irene Human-factored interface corporating adaptive pattern recognition based controller apparatus
US6850252B1 (en) 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
US7242988B1 (en) 1991-12-23 2007-07-10 Linda Irene Hoffberg Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US5821853A (en) * 1996-11-05 1998-10-13 Robert Gustavson Ambient light monitoring system
EP1001533B1 (fr) * 1998-11-14 2001-09-26 Agilent Technologies Inc. a Delaware Corporation Générateur de signes temporels
US8364136B2 (en) 1999-02-01 2013-01-29 Steven M Hoffberg Mobile system, a method of operating mobile system and a non-transitory computer readable medium for a programmable control of a mobile system
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
USD964513S1 (en) * 2021-07-20 2022-09-20 Xiaoou Li Watering pot

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961266A (en) * 1974-01-03 1976-06-01 Zenith Radio Corporation Channel seeking tuning system
DE2556951B2 (de) * 1974-12-27 1981-07-16 Fujitsu Ten Ltd., Kobe, Hyogo Abstimmeinrichtung für Funkempfänger
DE2533072C3 (de) * 1975-07-24 1978-10-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenzempfangsgeräte
JPS5227302A (en) * 1975-08-27 1977-03-01 Sony Corp Station selecting device
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus
DE2557284B2 (de) * 1975-12-19 1980-05-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronisches Kanalwahlsystem, insbesondere für Fernsehgeräte
DE2709751A1 (de) * 1976-03-08 1977-09-22 Gen Instrument Corp Tuner
DE2632025C3 (de) * 1976-07-16 1981-07-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenzempfangsgeräte mit einem Überlagerungsoszillator
US4152654A (en) * 1977-06-17 1979-05-01 Zenith Radio Corporation Memory-saving all channel digital tuning system
US4144498A (en) * 1977-07-15 1979-03-13 Zenith Radio Corporation Television tuning method and apparatus for tuning employing slope factor derivation

Also Published As

Publication number Publication date
GB2041682A (en) 1980-09-10
DE3004008A1 (de) 1980-08-28
CA1155242A (fr) 1983-10-11
US4476584A (en) 1984-10-09
JPS55156417A (en) 1980-12-05
GB2041682B (en) 1983-07-20
JPS6339127B2 (fr) 1988-08-03
CA1318419E (fr) 1993-05-25

Similar Documents

Publication Publication Date Title
BE881636A (fr) Systeme d'accord numerique a verrouillage de frequence
GB2012129B (en) Variable frequency oscillator system
BR8106834A (pt) Sintetizador de frequencia sincronizado com travamento de alta velocidade
DE3066820D1 (en) Electronic tuning antenna system
FR2342605A1 (fr) Synthetiseur de frequence a double mode pour dispositif d'accord de television
DE68914805D1 (de) Digitaler Frequenzteiler.
DK150559C (da) Frekvenssyntesizer
DE3071290D1 (en) Transmitter having a phase-locked loop
GB2045556B (en) Frequency synthesizers
GB2053608B (en) Variable frequency oscillator
JPS5575335A (en) Tuning system
IT1130051B (it) Impianto a serrature
DK73983A (da) Fm-modtager med en frekvenslaast sloejfe
FR2472886B1 (fr) Recepteur a synthetiseur de frequence
GB2048595B (en) Swept frequency oscillator arrangements
GB2027297B (en) Digital frequency discriminator
FR2290085A1 (fr) Systeme de blocage de la frequence d'un oscillateur
FR2425769B1 (fr) Correcteur de condition bloquee utile dans un systeme d'accord a boucle verrouillee
DE3266414D1 (en) Frequency synthesizer with fast tuning
FR2564596B1 (fr) Systeme de verrouillage pour resonateurs d'etalonnage de frequence
FR2348601A1 (fr) Installation pour le reglage de la frequence sequentielle impulsionnelle d'un signal
FR2587568B1 (fr) Circuit numerique diviseur de frequence
GB2034141B (en) Digital tuning system
FR2601145B1 (fr) Telemetre a frequence accordee
FR2544931B1 (fr) Discriminateur de frequence

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: JERROLD ELECTRONICS CORP.

Effective date: 19990228