CH489979A - Lautsprecheranlage - Google Patents

Lautsprecheranlage

Info

Publication number
CH489979A
CH489979A CH687969A CH687969A CH489979A CH 489979 A CH489979 A CH 489979A CH 687969 A CH687969 A CH 687969A CH 687969 A CH687969 A CH 687969A CH 489979 A CH489979 A CH 489979A
Authority
CH
Switzerland
Prior art keywords
public address
address system
public
address
Prior art date
Application number
CH687969A
Other languages
English (en)
Inventor
Peiker Heinrich
Original Assignee
Peiker Heinrich
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 Peiker Heinrich filed Critical Peiker Heinrich
Priority to CH687969A priority Critical patent/CH489979A/de
Priority to DE19691931251 priority patent/DE1931251B2/de
Publication of CH489979A publication Critical patent/CH489979A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
CH687969A 1969-05-05 1969-05-05 Lautsprecheranlage CH489979A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH687969A CH489979A (de) 1969-05-05 1969-05-05 Lautsprecheranlage
DE19691931251 DE1931251B2 (de) 1969-05-05 1969-06-20 Lautsprecheranlage mit geregelter lautstaerke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH687969A CH489979A (de) 1969-05-05 1969-05-05 Lautsprecheranlage

Publications (1)

Publication Number Publication Date
CH489979A true CH489979A (de) 1970-04-30

Family

ID=4316480

Family Applications (1)

Application Number Title Priority Date Filing Date
CH687969A CH489979A (de) 1969-05-05 1969-05-05 Lautsprecheranlage

Country Status (2)

Country Link
CH (1) CH489979A (de)
DE (1) DE1931251B2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105391A1 (de) * 1981-02-14 1982-09-02 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Anordnung von zwei in serie beziehungsweise parallelgeschalteten thermoelementen
DE3136792C2 (de) * 1981-09-16 1983-11-24 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Verfahren zum Starten und Betreiben eines Heizbrenners, insbesondere für eine Fahrzeugheizung, und Vorrichtung zum Durchführen eines solchen Verfahrens
DE3517954A1 (de) * 1985-05-18 1986-11-20 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Heizgeraet

Also Published As

Publication number Publication date
DE1931251A1 (de) 1970-11-19
DE1931251B2 (de) 1973-07-12

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Legal Events

Date Code Title Description
PL Patent ceased