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HK1015979A1 - Tuning control system - Google Patents

Tuning control system

Info

Publication number
HK1015979A1
HK1015979A1 HK99100745A HK99100745A HK1015979A1 HK 1015979 A1 HK1015979 A1 HK 1015979A1 HK 99100745 A HK99100745 A HK 99100745A HK 99100745 A HK99100745 A HK 99100745A HK 1015979 A1 HK1015979 A1 HK 1015979A1
Authority
HK
Hong Kong
Prior art keywords
control system
tuning control
tuning
control
Prior art date
Application number
HK99100745A
Inventor
Takeshi Ikeda
Tadataka Ohe
Akira Okamoto
Original Assignee
Takeshi Ikeda
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 Takeshi Ikeda filed Critical Takeshi Ikeda
Publication of HK1015979A1 publication Critical patent/HK1015979A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/24—Automatic control of frequency or phase; Synchronisation using a reference signal directly applied to the generator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)
HK99100745A 1995-11-09 1999-02-24 Tuning control system HK1015979A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP31739495 1995-11-09
JP31612295 1995-11-09
JP31612195 1995-11-09
JP34665895 1995-12-13
JP3888196 1996-02-01
JP3887896 1996-02-01
PCT/JP1996/001097 WO1997017759A1 (en) 1995-11-09 1996-04-23 Tuning control system

Publications (1)

Publication Number Publication Date
HK1015979A1 true HK1015979A1 (en) 1999-10-22

Family

ID=27549919

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99100745A HK1015979A1 (en) 1995-11-09 1999-02-24 Tuning control system

Country Status (6)

Country Link
JP (1) JP3764483B2 (en)
KR (1) KR100350400B1 (en)
CN (1) CN1113462C (en)
AU (1) AU5348196A (en)
HK (1) HK1015979A1 (en)
WO (1) WO1997017759A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011066733A (en) * 2009-09-18 2011-03-31 Mitsumi Electric Co Ltd Superheterodyne receiver apparatus and reception method, and semiconductor integrated circuit for receiver apparatus
EP3126916A1 (en) * 2014-03-31 2017-02-08 Telefonaktiebolaget LM Ericsson (publ) Switched mode power supply compensation loop
CN106680594B (en) * 2016-12-14 2019-01-01 浙江大学 A kind of contactless measurement for LC oscillator characteristic parameter
CN106972487B (en) * 2017-04-26 2020-06-02 广东电网有限责任公司电力科学研究院 Reactor and implementation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910092B2 (en) * 1979-10-22 1984-03-07 防衛庁技術研究本部長 Synchronous oscillation AFC method
JPS6290016A (en) * 1986-06-25 1987-04-24 Nippon Columbia Co Ltd Frequency characteristic correction circuit
JPH03178205A (en) * 1989-12-07 1991-08-02 Matsushita Electric Ind Co Ltd Phase shift type cr oscillator
JPH0575387A (en) * 1991-09-17 1993-03-26 Sanyo Electric Co Ltd Variable delay circuit
JPH05183406A (en) * 1991-12-27 1993-07-23 Nec Eng Ltd Automatic phase correction circuit

Also Published As

Publication number Publication date
AU5348196A (en) 1997-05-29
CN1201567A (en) 1998-12-09
JP3764483B2 (en) 2006-04-05
CN1113462C (en) 2003-07-02
KR19990067078A (en) 1999-08-16
KR100350400B1 (en) 2002-12-18
WO1997017759A1 (en) 1997-05-15

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070423