NL180795C - CHAIN RECEIVER FOR A MESSAGE RECEIVER USING A FREQUENCY SYNTHESISER. - Google Patents

CHAIN RECEIVER FOR A MESSAGE RECEIVER USING A FREQUENCY SYNTHESISER.

Info

Publication number
NL180795C
NL180795C NLAANVRAGE7902658,A NL7902658A NL180795C NL 180795 C NL180795 C NL 180795C NL 7902658 A NL7902658 A NL 7902658A NL 180795 C NL180795 C NL 180795C
Authority
NL
Netherlands
Prior art keywords
receiver
chain
frequency synthesiser
message
message receiver
Prior art date
Application number
NLAANVRAGE7902658,A
Other languages
Dutch (nl)
Other versions
NL7902658A (en
NL180795B (en
Original Assignee
Loewe Opta Gmbh
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 Loewe Opta Gmbh filed Critical Loewe Opta Gmbh
Publication of NL7902658A publication Critical patent/NL7902658A/en
Publication of NL180795B publication Critical patent/NL180795B/en
Application granted granted Critical
Publication of NL180795C publication Critical patent/NL180795C/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
NLAANVRAGE7902658,A 1978-04-04 1979-04-04 CHAIN RECEIVER FOR A MESSAGE RECEIVER USING A FREQUENCY SYNTHESISER. NL180795C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2814429A DE2814429C3 (en) 1978-04-04 1978-04-04 Receiver circuit with a frequency sytithetizer in telecommunications receiving devices

Publications (3)

Publication Number Publication Date
NL7902658A NL7902658A (en) 1979-10-08
NL180795B NL180795B (en) 1986-11-17
NL180795C true NL180795C (en) 1987-04-16

Family

ID=6036101

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7902658,A NL180795C (en) 1978-04-04 1979-04-04 CHAIN RECEIVER FOR A MESSAGE RECEIVER USING A FREQUENCY SYNTHESISER.

Country Status (7)

Country Link
CH (1) CH641608A5 (en)
DE (1) DE2814429C3 (en)
FR (1) FR2422293A1 (en)
GB (1) GB2018065B (en)
IT (1) IT1111927B (en)
NL (1) NL180795C (en)
SE (1) SE427885B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580928A (en) * 1978-12-15 1980-06-18 Sony Corp Channel selection device
ZA81769B (en) * 1980-02-18 1982-02-24 Sangamo Weston Receivers suitable for use in remotely-operable switching devices and data transmission systems
US4709406A (en) * 1985-09-19 1987-11-24 Matsushita Electric Industrial Co., Ltd. A.F.C. system for broad-band FM receiver
US4959872A (en) * 1988-06-23 1990-09-25 Kabushiki Kaisha Toshiba Automatic frequency control apparatus for FM receivers
JP4089003B2 (en) * 1998-04-01 2008-05-21 ソニー株式会社 Receiver and receiving method
JP3978744B2 (en) 2002-07-25 2007-09-19 パイオニア株式会社 Digital to analog converter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1412412A1 (en) * 1960-12-27 1968-10-03 Metz App Werke Automatic sharpening
US3624512A (en) * 1969-06-02 1971-11-30 Rca Corp Automatic frequency control system
FR2175671B1 (en) * 1972-03-17 1977-04-01 Trt Telecom Radio Electr
US4025953A (en) * 1975-11-26 1977-05-24 Quasar Electronics Corporation Frequency synthesizer tuning system for television receivers
US4041535A (en) * 1976-07-22 1977-08-09 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with signal seek control

Also Published As

Publication number Publication date
DE2814429A1 (en) 1979-10-25
IT1111927B (en) 1986-01-13
SE7902787L (en) 1979-10-05
NL7902658A (en) 1979-10-08
DE2814429C3 (en) 1980-10-09
IT7921591A0 (en) 1979-04-04
FR2422293A1 (en) 1979-11-02
DE2814429B2 (en) 1980-02-21
CH641608A5 (en) 1984-02-29
NL180795B (en) 1986-11-17
FR2422293B1 (en) 1982-06-18
SE427885B (en) 1983-05-09
GB2018065A (en) 1979-10-10
GB2018065B (en) 1982-07-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee

Effective date: 19981101