DE3443859A1 - Empfaenger mit frequenz-synthese - Google Patents

Empfaenger mit frequenz-synthese

Info

Publication number
DE3443859A1
DE3443859A1 DE19843443859 DE3443859A DE3443859A1 DE 3443859 A1 DE3443859 A1 DE 3443859A1 DE 19843443859 DE19843443859 DE 19843443859 DE 3443859 A DE3443859 A DE 3443859A DE 3443859 A1 DE3443859 A1 DE 3443859A1
Authority
DE
Germany
Prior art keywords
frequency
receiver
circuit
receiver system
control circuit
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
DE19843443859
Other languages
German (de)
English (en)
Other versions
DE3443859C2 (enExample
Inventor
Atsushi Tokio/Tokyo Tomiyasu
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
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 Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of DE3443859A1 publication Critical patent/DE3443859A1/de
Application granted granted Critical
Publication of DE3443859C2 publication Critical patent/DE3443859C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • 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
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0083—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means using two or more tuners
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
DE19843443859 1983-11-30 1984-11-30 Empfaenger mit frequenz-synthese Granted DE3443859A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22453383A JPS60117927A (ja) 1983-11-30 1983-11-30 シンセサイザ受信機

Publications (2)

Publication Number Publication Date
DE3443859A1 true DE3443859A1 (de) 1985-06-05
DE3443859C2 DE3443859C2 (enExample) 1993-07-22

Family

ID=16815286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843443859 Granted DE3443859A1 (de) 1983-11-30 1984-11-30 Empfaenger mit frequenz-synthese

Country Status (3)

Country Link
JP (1) JPS60117927A (enExample)
DE (1) DE3443859A1 (enExample)
SE (1) SE460693B (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497116A3 (en) * 1991-02-01 1993-05-05 Blaupunkt-Werke Gmbh Rds broadcast receiver
EP0595314A1 (de) * 1992-10-29 1994-05-04 BECKER GmbH Verfahren zur Abstimmung eines Rundfunkempfängers
WO1994027366A1 (de) * 1993-05-16 1994-11-24 H.U.C. Elektronik Gmbh Schaltungsanordnung zum alternativen empfang mindestens zweier rundfunksender
EP1075083A1 (en) * 1999-07-29 2001-02-07 Bose Corporation Local oscillator
EP1002371B1 (en) * 1997-01-15 2005-11-30 Koninklijke Philips Electronics N.V. Multi-tuner receiver
WO2006105916A1 (de) * 2005-04-07 2006-10-12 Atmel Germany Gmbh Verfahren zum störungsfreien frequenzwechsel in einem empfangssystem mit mehreren parallel betriebenen empfängern

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH044616A (ja) * 1990-04-23 1992-01-09 Pioneer Electron Corp ラジオ受信機
KR100699310B1 (ko) * 1997-01-15 2007-06-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티튜너수신기

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089649A2 (en) * 1982-03-18 1983-09-28 Nec Corporation Radio transmitter/receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561630A (en) * 1979-06-18 1981-01-09 Sanyo Electric Co Ltd Broadcast receiver
JPS5678239A (en) * 1979-11-30 1981-06-27 Hitachi Ltd Tuner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089649A2 (en) * 1982-03-18 1983-09-28 Nec Corporation Radio transmitter/receiver

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP-Abstracts E-166, Nr. 25, 1983, Vol.7, No. 72 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497116A3 (en) * 1991-02-01 1993-05-05 Blaupunkt-Werke Gmbh Rds broadcast receiver
US5404588A (en) * 1991-02-01 1995-04-04 Werner Henze RDS receiver with improved alternate frequency switchover
EP0595314A1 (de) * 1992-10-29 1994-05-04 BECKER GmbH Verfahren zur Abstimmung eines Rundfunkempfängers
WO1994027366A1 (de) * 1993-05-16 1994-11-24 H.U.C. Elektronik Gmbh Schaltungsanordnung zum alternativen empfang mindestens zweier rundfunksender
EP1002371B1 (en) * 1997-01-15 2005-11-30 Koninklijke Philips Electronics N.V. Multi-tuner receiver
EP1075083A1 (en) * 1999-07-29 2001-02-07 Bose Corporation Local oscillator
US7127010B1 (en) 1999-07-29 2006-10-24 Bose Corporation Oscillator controlling
WO2006105916A1 (de) * 2005-04-07 2006-10-12 Atmel Germany Gmbh Verfahren zum störungsfreien frequenzwechsel in einem empfangssystem mit mehreren parallel betriebenen empfängern

Also Published As

Publication number Publication date
SE8405992L (sv) 1985-05-31
DE3443859C2 (enExample) 1993-07-22
JPS60117927A (ja) 1985-06-25
SE8405992D0 (sv) 1984-11-28
SE460693B (sv) 1989-11-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee