FR2204078A1 - - Google Patents

Info

Publication number
FR2204078A1
FR2204078A1 FR7332482A FR7332482A FR2204078A1 FR 2204078 A1 FR2204078 A1 FR 2204078A1 FR 7332482 A FR7332482 A FR 7332482A FR 7332482 A FR7332482 A FR 7332482A FR 2204078 A1 FR2204078 A1 FR 2204078A1
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.)
Granted
Application number
FR7332482A
Other versions
FR2204078B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 DE19722244283 external-priority patent/DE2244283C3/de
Priority claimed from DE19732326655 external-priority patent/DE2326655C3/de
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2204078A1 publication Critical patent/FR2204078A1/fr
Application granted granted Critical
Publication of FR2204078B1 publication Critical patent/FR2204078B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
    • 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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/603—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors with coupled emitters
FR7332482A 1972-09-09 1973-09-10 Expired FR2204078B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722244283 DE2244283C3 (de) 1972-09-09 1972-09-09 Schaltungsanordnung Mir ein Fernseh- oder Rundfunkempfangsgerät zum Durchschalten der Abstimmspannung
DE19732326655 DE2326655C3 (de) 1973-05-25 1973-05-25 Schaltungsanordnung für ein Fernseh- oder Rundfunkempfangsgerät zum Durchschalten der Abstimmspannung

Publications (2)

Publication Number Publication Date
FR2204078A1 true FR2204078A1 (fr) 1974-05-17
FR2204078B1 FR2204078B1 (fr) 1976-05-14

Family

ID=25763812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7332482A Expired FR2204078B1 (fr) 1972-09-09 1973-09-10

Country Status (6)

Country Link
JP (1) JPS5738048B2 (fr)
AT (1) AT336708B (fr)
FR (1) FR2204078B1 (fr)
GB (1) GB1447869A (fr)
IT (1) IT996660B (fr)
NL (1) NL161939C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351535A1 (fr) * 1976-05-13 1977-12-09 Sony Corp Oscillateur a cristal a compensation de temperature
FR2449368A1 (fr) * 1979-02-16 1980-09-12 Philips Nv Circuit de commutation muni de plusieurs canaux d'entree et d'un canal de sortie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199967A (ja) * 1975-02-28 1976-09-03 Mitsubishi Electric Corp Anarogudenatsusentakukairo

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4328598Y1 (fr) * 1964-09-03 1968-11-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351535A1 (fr) * 1976-05-13 1977-12-09 Sony Corp Oscillateur a cristal a compensation de temperature
FR2449368A1 (fr) * 1979-02-16 1980-09-12 Philips Nv Circuit de commutation muni de plusieurs canaux d'entree et d'un canal de sortie

Also Published As

Publication number Publication date
GB1447869A (en) 1976-09-02
AT336708B (de) 1977-05-25
ATA774473A (de) 1976-09-15
JPS4992904A (fr) 1974-09-04
NL161939B (nl) 1979-10-15
IT996660B (it) 1975-12-10
NL161939C (nl) 1980-03-17
NL7311991A (fr) 1974-03-12
JPS5738048B2 (fr) 1982-08-13
FR2204078B1 (fr) 1976-05-14

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Legal Events

Date Code Title Description
ST Notification of lapse