DE3001431A1 - Abstimmvorrichtung fuer einen rundfunkempfaenger - Google Patents

Abstimmvorrichtung fuer einen rundfunkempfaenger

Info

Publication number
DE3001431A1
DE3001431A1 DE19803001431 DE3001431A DE3001431A1 DE 3001431 A1 DE3001431 A1 DE 3001431A1 DE 19803001431 DE19803001431 DE 19803001431 DE 3001431 A DE3001431 A DE 3001431A DE 3001431 A1 DE3001431 A1 DE 3001431A1
Authority
DE
Germany
Prior art keywords
tuning
signal
frequency
counting
state
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.)
Granted
Application number
DE19803001431
Other languages
German (de)
English (en)
Other versions
DE3001431C2 (US07579456-20090825-P00002.png
Inventor
Michimasa Komatsubara
Noboru Someno
Masakatsu Toyoshima
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE3001431A1 publication Critical patent/DE3001431A1/de
Application granted granted Critical
Publication of DE3001431C2 publication Critical patent/DE3001431C2/de
Granted 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
DE19803001431 1979-01-17 1980-01-16 Abstimmvorrichtung fuer einen rundfunkempfaenger Granted DE3001431A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54004294A JPS593891B2 (ja) 1979-01-17 1979-01-17 受信検出回路

Publications (2)

Publication Number Publication Date
DE3001431A1 true DE3001431A1 (de) 1980-07-31
DE3001431C2 DE3001431C2 (US07579456-20090825-P00002.png) 1987-02-05

Family

ID=11580486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803001431 Granted DE3001431A1 (de) 1979-01-17 1980-01-16 Abstimmvorrichtung fuer einen rundfunkempfaenger

Country Status (8)

Country Link
US (1) US4298989A (US07579456-20090825-P00002.png)
JP (1) JPS593891B2 (US07579456-20090825-P00002.png)
AU (1) AU530100B2 (US07579456-20090825-P00002.png)
CA (1) CA1125444A (US07579456-20090825-P00002.png)
DE (1) DE3001431A1 (US07579456-20090825-P00002.png)
FR (1) FR2447118B1 (US07579456-20090825-P00002.png)
GB (1) GB2040622B (US07579456-20090825-P00002.png)
NL (1) NL191132C (US07579456-20090825-P00002.png)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003087A (nl) * 1980-05-29 1982-01-04 Philips Nv Ontvanger met een zenderzoekschakeling.
JPS5728517U (US07579456-20090825-P00002.png) * 1980-07-22 1982-02-15
JPS5732123A (en) * 1980-08-05 1982-02-20 Toshiba Corp Channel selector
JPS5866412A (ja) * 1981-10-16 1983-04-20 Fujitsu Ten Ltd 電子同調方式採用ラジオ受信機
JPS5885623A (ja) * 1981-11-18 1983-05-23 Pioneer Electronic Corp Ａｍ受信機の同調方法
JPH0697730B2 (ja) * 1985-04-30 1994-11-30 ソニー株式会社 電子同調式ｆｍ受信機
CA1259378A (en) * 1985-09-19 1989-09-12 Noriaki Omoto A.f.c. system for broad-band fm receiver
US4727591A (en) * 1986-09-04 1988-02-23 Arvin Industries, Inc. Microprocessor controlled tuning system
US4862514A (en) * 1986-11-24 1989-08-29 World Electronics, Inc. Hybrid electronic radio repeater
US4887086A (en) * 1987-07-28 1989-12-12 Trycomm Technologies, Inc. Combination scanner and radar detector
JP2625759B2 (ja) * 1987-09-22 1997-07-02 ソニー株式会社 オートチューニング装置
US5073975A (en) * 1989-08-28 1991-12-17 Delco Electronics Corporation Stop on station circuit including center channel detector
US5224129A (en) * 1990-10-31 1993-06-29 Tektronix, Inc. Method of synchronizing signals of a pulse generator
US5367699A (en) * 1991-11-26 1994-11-22 Bull Hn Information Systems Inc. Central processing unit incorporation selectable, precisa ratio, speed of execution derating
FI90383C (fi) * 1992-03-09 1994-01-25 Nokia Mobile Phones Ltd Menetelmä radiopuhelimen referenssitaajuuden stabiloimiseksi
JPH10145188A (ja) * 1996-11-07 1998-05-29 Sony Corp 受信装置
DE19949250B4 (de) * 1999-10-13 2007-06-21 Harman Becker Automotive Systems Gmbh Verfahren zum automatischen Auffinden eines AM-Rundfunkprogramms
US7274918B1 (en) * 2001-01-11 2007-09-25 Harman Becker Automotive Systems Gmbh Apparatus for automatically finding an am radio program
JP4289507B2 (ja) * 2006-11-08 2009-07-01 日本電波工業株式会社 シンセサイザモジュール

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081752A (en) * 1975-05-30 1978-03-28 Sanyo Electric Co., Ltd. Digital frequency synthesizer receiver
US4087793A (en) * 1976-10-28 1978-05-02 Motorola, Inc. Digital electronic control and switching arrangement
GB1511359A (en) * 1974-12-17 1978-05-17 Sanyo Electric Co Automatic electric tuning apparatus
US4127821A (en) * 1976-04-05 1978-11-28 Sony Corporation Channel selecting apparatus with automatic rewriting of channel identifying codes in a memory
DE2918503A1 (de) * 1978-05-19 1979-11-29 Walter George Cox Frequenzwaehler-abstimmvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1076212A (en) * 1975-05-30 1980-04-22 Sanyo Electric Co. Multiple-band digital frequency synthesizer receiver
JPS5227302A (en) * 1975-08-27 1977-03-01 Sony Corp Station selecting device
DE2650305C3 (de) * 1976-11-02 1980-11-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung fur einen automatischen Sendersuchlauf

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1511359A (en) * 1974-12-17 1978-05-17 Sanyo Electric Co Automatic electric tuning apparatus
US4081752A (en) * 1975-05-30 1978-03-28 Sanyo Electric Co., Ltd. Digital frequency synthesizer receiver
US4127821A (en) * 1976-04-05 1978-11-28 Sony Corporation Channel selecting apparatus with automatic rewriting of channel identifying codes in a memory
US4087793A (en) * 1976-10-28 1978-05-02 Motorola, Inc. Digital electronic control and switching arrangement
DE2918503A1 (de) * 1978-05-19 1979-11-29 Walter George Cox Frequenzwaehler-abstimmvorrichtung

Also Published As

Publication number Publication date
AU530100B2 (en) 1983-06-30
JPS5596722A (en) 1980-07-23
NL191132C (nl) 1995-02-01
FR2447118A1 (fr) 1980-08-14
AU5465180A (en) 1980-08-07
GB2040622B (en) 1982-12-15
NL8000315A (nl) 1980-07-21
GB2040622A (en) 1980-08-28
JPS593891B2 (ja) 1984-01-26
DE3001431C2 (US07579456-20090825-P00002.png) 1987-02-05
FR2447118B1 (fr) 1985-05-31
NL191132B (nl) 1994-09-01
CA1125444A (en) 1982-06-08
US4298989A (en) 1981-11-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee