FR2149187A5 - - Google Patents

Info

Publication number
FR2149187A5
FR2149187A5 FR7227977A FR7227977A FR2149187A5 FR 2149187 A5 FR2149187 A5 FR 2149187A5 FR 7227977 A FR7227977 A FR 7227977A FR 7227977 A FR7227977 A FR 7227977A FR 2149187 A5 FR2149187 A5 FR 2149187A5
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
FR7227977A
Inventor
J Backwinkel
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.)
Blaupunkt Werke GmbH
Original Assignee
Blaupunkt Werke GmbH
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 Blaupunkt Werke GmbH filed Critical Blaupunkt Werke GmbH
Application granted granted Critical
Publication of FR2149187A5 publication Critical patent/FR2149187A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
FR7227977A 1971-09-22 1972-08-03 Expired FR2149187A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2147228A DE2147228C3 (de) 1971-09-22 1971-09-22 Sägezahngenerator mit Speicherwirkung für einen Sendersuchlauf in Fernsehgeräten

Publications (1)

Publication Number Publication Date
FR2149187A5 true FR2149187A5 (fr) 1973-03-23

Family

ID=5820233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227977A Expired FR2149187A5 (fr) 1971-09-22 1972-08-03

Country Status (10)

Country Link
US (1) US3789262A (fr)
JP (1) JPS4840316A (fr)
AT (1) AT315259B (fr)
BE (1) BE786819A (fr)
BR (1) BR7206517D0 (fr)
DE (1) DE2147228C3 (fr)
FR (1) FR2149187A5 (fr)
IT (1) IT969439B (fr)
SE (1) SE375426B (fr)
ZA (1) ZA726423B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988596A (en) * 1974-04-01 1976-10-26 Matsushita Electric Industrial Co., Ltd. Voltage memory device
PL89827B1 (fr) * 1974-05-06 1976-12-31

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467870A (en) * 1965-02-16 1969-09-16 Trio Corp Automatic frequency sweep apparatus
GB1240144A (en) * 1967-07-11 1971-07-21 Matsushita Electric Ind Co Ltd Automatic tuning type receivers
US3575661A (en) * 1968-11-05 1971-04-20 Motorola Inc Remote control tuning circuit
US3706041A (en) * 1970-10-20 1972-12-12 Emerson Electric Co Automatic tuning circuit

Also Published As

Publication number Publication date
US3789262A (en) 1974-01-29
AT315259B (de) 1974-05-27
DE2147228A1 (de) 1973-04-05
IT969439B (it) 1974-03-30
BE786819A (fr) 1972-11-16
JPS4840316A (fr) 1973-06-13
SE375426B (fr) 1975-04-14
BR7206517D0 (pt) 1973-07-19
ZA726423B (en) 1973-06-27
DE2147228B2 (de) 1974-03-28
DE2147228C3 (de) 1980-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse