FR2280252B1 - - Google Patents

Info

Publication number
FR2280252B1
FR2280252B1 FR7521099A FR7521099A FR2280252B1 FR 2280252 B1 FR2280252 B1 FR 2280252B1 FR 7521099 A FR7521099 A FR 7521099A FR 7521099 A FR7521099 A FR 7521099A FR 2280252 B1 FR2280252 B1 FR 2280252B1
Authority
FR
France
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.)
Expired
Application number
FR7521099A
Other versions
FR2280252A1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP7755074A external-priority patent/JPS517461A/ja
Priority claimed from JP13214574A external-priority patent/JPS5157280A/ja
Priority claimed from JP13214474A external-priority patent/JPS5157229A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2280252A1 publication Critical patent/FR2280252A1/fr
Application granted granted Critical
Publication of FR2280252B1 publication Critical patent/FR2280252B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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
    • H03J5/0254—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 transfered to a D/A converter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Analogue/Digital Conversion (AREA)
  • Electronic Switches (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR7521099A 1974-07-05 1975-07-04 Dispositif generateur de tensions Granted FR2280252A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7755074A JPS517461A (ja) 1974-07-05 1974-07-05 Denatsuhatsuseisochi
JP13214574A JPS5157280A (en) 1974-11-15 1974-11-15 dda henkanki
JP13214474A JPS5157229A (ja) 1974-11-15 1974-11-15 Denatsuhatsuseisochi

Publications (2)

Publication Number Publication Date
FR2280252A1 FR2280252A1 (fr) 1976-02-20
FR2280252B1 true FR2280252B1 (fr) 1981-01-02

Family

ID=27302451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521099A Granted FR2280252A1 (fr) 1974-07-05 1975-07-04 Dispositif generateur de tensions

Country Status (6)

Country Link
US (1) US4015192A (fr)
CA (1) CA1052920A (fr)
DE (1) DE2530033C2 (fr)
FR (1) FR2280252A1 (fr)
GB (1) GB1512999A (fr)
NL (1) NL165896C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH625446A5 (fr) * 1977-03-18 1981-09-30 Agie Ag Ind Elektronik
US4317227A (en) * 1980-06-09 1982-02-23 Zenith Radio Corporation Multi-mode automatic channel frequency synthesis system
US4338531A (en) * 1980-09-15 1982-07-06 Corporate Equipment Company Slide wire device simulator circuit and method
US4516170A (en) * 1982-04-12 1985-05-07 Zenith Electronics Corporation Dual mode UHF tuning system
EP0539828B1 (fr) * 1991-11-01 1998-12-16 Hewlett-Packard Company Système à convertisseur numérique analogique à miroir de courant à largeur variable et procédé de génération d'une tension de commande pour génération de retard
US5260643A (en) * 1992-07-16 1993-11-09 National Semiconductor Corporation Programmable reference voltage generator
GB2313004A (en) * 1996-05-07 1997-11-12 Advanced Risc Mach Ltd Digital to analogue converter
US6325481B1 (en) * 1999-08-13 2001-12-04 Hewlett-Packard Company Method and apparatus for pen temperature control in a thermal printer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065080B (de) * 1954-04-07 1959-09-10 Siemens Ag Einrichtung zur verlust-und blindleistungsarmen Umformung von Spannungen
FR1312007A (fr) * 1961-11-02 1962-12-14 Redresseur stabilisé
US3422423A (en) * 1965-01-04 1969-01-14 Sperry Rand Corp Digital-to-analog converter
US3551777A (en) * 1968-12-26 1970-12-29 Amp Inc Inverter-converter with regulation of ac and dc outputs
DE2107714C3 (de) * 1971-02-18 1981-08-06 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Schaltung zum Umschalten der Resonanzfrequenzen elektrischer Schwingkreise
BE791943A (fr) * 1972-02-18 1973-03-16 Telecomunicazioni Soc It Regulateur de tension et/ou de courant
JPS5250642B2 (fr) * 1973-03-28 1977-12-26

Also Published As

Publication number Publication date
GB1512999A (en) 1978-06-01
DE2530033A1 (de) 1976-01-29
FR2280252A1 (fr) 1976-02-20
NL7507599A (nl) 1976-01-07
US4015192A (en) 1977-03-29
AU8275275A (en) 1977-01-06
NL165896B (nl) 1980-12-15
NL165896C (nl) 1981-05-15
DE2530033C2 (de) 1982-09-30
CA1052920A (fr) 1979-04-17

Similar Documents

Publication Publication Date Title
AU480152B2 (fr)
AU495841B2 (fr)
AR199810A1 (fr)
AU8191875A (fr)
BG21557A1 (fr)
BG20475A1 (fr)
AU480069A (fr)
AU481544A (fr)
AU481898A (fr)
AU482332A (fr)
AU482369A (fr)
BG21707A1 (fr)
BE829575A (fr)
BE830029A (fr)
BG19710A1 (fr)
BG19722A1 (fr)
BG19729A1 (fr)
BG19867A1 (fr)
BG20001A1 (fr)
BG20146A1 (fr)
BG20212A1 (fr)
BG20237A1 (fr)
BG20430A1 (fr)
BG21629A1 (fr)
BG20501A1 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse