NL161939C - SWITCHING DEVICE FOR A TELEVISION OR RADIO RECEIVER FOR TRANSMITTING THE TUNING VOLTAGE. - Google Patents

SWITCHING DEVICE FOR A TELEVISION OR RADIO RECEIVER FOR TRANSMITTING THE TUNING VOLTAGE.

Info

Publication number
NL161939C
NL161939C NL7311991A NL7311991A NL161939C NL 161939 C NL161939 C NL 161939C NL 7311991 A NL7311991 A NL 7311991A NL 7311991 A NL7311991 A NL 7311991A NL 161939 C NL161939 C NL 161939C
Authority
NL
Netherlands
Prior art keywords
television
transmitting
switching device
radio receiver
tuning voltage
Prior art date
Application number
NL7311991A
Other languages
Dutch (nl)
Other versions
NL7311991A (en
NL161939B (en
Original Assignee
Philips 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/en
Priority claimed from DE19732326655 external-priority patent/DE2326655C3/en
Application filed by Philips Nv filed Critical Philips Nv
Publication of NL7311991A publication Critical patent/NL7311991A/xx
Publication of NL161939B publication Critical patent/NL161939B/en
Application granted granted Critical
Publication of NL161939C publication Critical patent/NL161939C/en

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
NL7311991A 1972-09-09 1973-08-31 SWITCHING DEVICE FOR A TELEVISION OR RADIO RECEIVER FOR TRANSMITTING THE TUNING VOLTAGE. NL161939C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722244283 DE2244283C3 (en) 1972-09-09 1972-09-09 Circuit arrangement Me a television or radio receiver for switching through the tuning voltage
DE19732326655 DE2326655C3 (en) 1973-05-25 1973-05-25 Circuit arrangement for a television or radio receiver for switching through the tuning voltage

Publications (3)

Publication Number Publication Date
NL7311991A NL7311991A (en) 1974-03-12
NL161939B NL161939B (en) 1979-10-15
NL161939C true NL161939C (en) 1980-03-17

Family

ID=25763812

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7311991A NL161939C (en) 1972-09-09 1973-08-31 SWITCHING DEVICE FOR A TELEVISION OR RADIO RECEIVER FOR TRANSMITTING THE TUNING VOLTAGE.

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199967A (en) * 1975-02-28 1976-09-03 Mitsubishi Electric Corp ANAROGUDENATSUSENTAKUKAIRO
JPS52150952U (en) * 1976-05-13 1977-11-16
NL186789C (en) * 1979-02-16 1991-02-18 Philips Nv SWITCHING CIRCUIT FITTED WITH MULTIPLE INPUT CHANNELS AND AN OUTPUT CHANNEL.

Family Cites Families (1)

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

Also Published As

Publication number Publication date
JPS4992904A (en) 1974-09-04
FR2204078A1 (en) 1974-05-17
GB1447869A (en) 1976-09-02
AT336708B (en) 1977-05-25
ATA774473A (en) 1976-09-15
IT996660B (en) 1975-12-10
NL7311991A (en) 1974-03-12
JPS5738048B2 (en) 1982-08-13
NL161939B (en) 1979-10-15
FR2204078B1 (en) 1976-05-14

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PHILIPS