NL188876C - Radio-ontvanger. - Google Patents

Radio-ontvanger.

Info

Publication number
NL188876C
NL188876C NLAANVRAGE7611620,A NL7611620A NL188876C NL 188876 C NL188876 C NL 188876C NL 7611620 A NL7611620 A NL 7611620A NL 188876 C NL188876 C NL 188876C
Authority
NL
Netherlands
Prior art keywords
radio receiver
receiver
radio
Prior art date
Application number
NLAANVRAGE7611620,A
Other languages
English (en)
Other versions
NL7611620A (nl
NL188876B (nl
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 NL7611620A publication Critical patent/NL7611620A/nl
Publication of NL188876B publication Critical patent/NL188876B/nl
Application granted granted Critical
Publication of NL188876C publication Critical patent/NL188876C/nl

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (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)
NLAANVRAGE7611620,A 1975-10-21 1976-10-20 Radio-ontvanger. NL188876C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975143113U JPS5712608Y2 (nl) 1975-10-21 1975-10-21

Publications (3)

Publication Number Publication Date
NL7611620A NL7611620A (nl) 1977-04-25
NL188876B NL188876B (nl) 1992-05-18
NL188876C true NL188876C (nl) 1992-10-16

Family

ID=15331202

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7611620,A NL188876C (nl) 1975-10-21 1976-10-20 Radio-ontvanger.

Country Status (8)

Country Link
US (1) US4061980A (nl)
JP (1) JPS5712608Y2 (nl)
AU (1) AU497317B2 (nl)
CA (1) CA1069181A (nl)
DE (1) DE2646966A1 (nl)
FR (1) FR2329112A1 (nl)
GB (1) GB1552844A (nl)
NL (1) NL188876C (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511027C2 (de) * 1975-03-13 1982-07-08 Siemens AG, 1000 Berlin und 8000 München Selektiver Überlagerungsempfänger
USRE30949E (en) * 1976-02-14 1982-05-25 Trio Kabushiki Kaisha Digital frequency display device
JPS5344110A (en) * 1976-10-05 1978-04-20 Saibanetsuto Kougiyou Kk System for synchronizing and synthesizing frequency of radio transmitter*receiver
US4198604A (en) * 1977-06-08 1980-04-15 Hewlett-Packard Company Heterodyne phase lock system
US4346477A (en) * 1977-08-01 1982-08-24 E-Systems, Inc. Phase locked sampling radio receiver
JPS5599851A (en) * 1979-01-24 1980-07-30 Hitachi Ltd Mobile data reception system
US4298988A (en) * 1979-02-08 1981-11-03 Jerrold Electronics Corp. Digital channel selection and fine tuning system
FR2482388A1 (fr) * 1980-05-08 1981-11-13 Visiodis Selecteur individuel de programmes de television
US5065408A (en) * 1990-04-26 1991-11-12 Motorola, Inc. Fractional-division synthesizer for a voice/data communications systems
US5210484A (en) * 1992-05-15 1993-05-11 Louis R. Fantozzi Lock-in amplifier
US5572264A (en) * 1994-02-14 1996-11-05 Hitachi, Ltd. High definition TV signal receiver
US5742189A (en) * 1994-09-16 1998-04-21 Kabushiki Kaisha Toshiba Frequency conversion circuit and radio communication apparatus with the same
US5606731A (en) * 1995-03-07 1997-02-25 Motorola, Inc. Zerox-IF receiver with tracking second local oscillator and demodulator phase locked loop oscillator
US6163684A (en) * 1997-08-01 2000-12-19 Microtune, Inc. Broadband frequency synthesizer
EP1145430B1 (en) * 1998-11-12 2004-09-15 Broadcom Corporation Integrated tuner architecture
EP2148289B1 (fr) * 2008-07-25 2014-09-03 STMicroelectronics (Rousset) SAS Détection de présence d'un élément de communication sans contact à portée d'un terminal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998517A (en) * 1960-03-11 1961-08-29 Collins Radio Co Variable bandwidth and center frequency receiving scheme
US3416096A (en) * 1967-02-01 1968-12-10 Gen Dynamics Corp Frequency synthesizer systems for generating accurate radio frequency signals of selected frequencies
JPS555729B2 (nl) * 1971-11-29 1980-02-08
US3758853A (en) * 1972-03-20 1973-09-11 Heath Co Method of and apparatus for determining a tuned frequency
DE2217210C3 (de) * 1972-04-10 1978-10-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Überlagerungsempfänger mit digitaler Anzeige der Empfangsfrequenz
US3835384A (en) * 1972-12-20 1974-09-10 Gen Dynamics Corp Tuning system
US3983484A (en) * 1974-12-06 1976-09-28 Nihon Dengyo Co., Ltd. Multichannel signal transmitting and receiving apparatus

Also Published As

Publication number Publication date
DE2646966A1 (de) 1977-04-28
JPS5256515U (nl) 1977-04-23
GB1552844A (en) 1979-09-19
DE2646966C2 (nl) 1987-08-27
FR2329112B1 (nl) 1983-02-04
FR2329112A1 (fr) 1977-05-20
AU1868476A (en) 1978-04-20
NL7611620A (nl) 1977-04-25
CA1069181A (en) 1980-01-01
US4061980A (en) 1977-12-06
NL188876B (nl) 1992-05-18
AU497317B2 (en) 1978-12-07
JPS5712608Y2 (nl) 1982-03-12

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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