ES158540A1 - Sistema de telecomunicación, y especialmente sistema telefónico - Google Patents

Sistema de telecomunicación, y especialmente sistema telefónico

Info

Publication number
ES158540A1
ES158540A1 ES158540A ES158540A ES158540A1 ES 158540 A1 ES158540 A1 ES 158540A1 ES 158540 A ES158540 A ES 158540A ES 158540 A ES158540 A ES 158540A ES 158540 A1 ES158540 A1 ES 158540A1
Authority
ES
Spain
Prior art keywords
especially telephone
telecommunication
telephone system
telecommunication system
telephone
Prior art date
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
ES158540A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Priority to ES158540A priority Critical patent/ES158540A1/es
Publication of ES158540A1 publication Critical patent/ES158540A1/es
Expired legal-status Critical Current

Links

ES158540A 1942-09-10 1942-09-10 Sistema de telecomunicación, y especialmente sistema telefónico Expired ES158540A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES158540A ES158540A1 (es) 1942-09-10 1942-09-10 Sistema de telecomunicación, y especialmente sistema telefónico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES158540A ES158540A1 (es) 1942-09-10 1942-09-10 Sistema de telecomunicación, y especialmente sistema telefónico

Publications (1)

Publication Number Publication Date
ES158540A1 true ES158540A1 (es) 1943-03-01

Family

ID=65653062

Family Applications (1)

Application Number Title Priority Date Filing Date
ES158540A Expired ES158540A1 (es) 1942-09-10 1942-09-10 Sistema de telecomunicación, y especialmente sistema telefónico

Country Status (1)

Country Link
ES (1) ES158540A1 (es)

Similar Documents

Publication Publication Date Title
US2535511A (en) Telephone system
ES177484A1 (es) UN SISTEMA TELEFoNICO
CH267227A (de) Stehender Telephonhandapparat.
CH245420A (fr) Haut-parleur électrodynamique.
CH283265A (de) Automatische Telephonschaltanlage.
CH274625A (de) Telephonteilnehmerstation.
CH252220A (de) Netzschutzeinrichtung.
CH235396A (de) Trägerfrequenzanlage.
ES158540A1 (es) Sistema de telecomunicación, y especialmente sistema telefónico
FR938206A (fr) Postes téléphoniques
CH241312A (de) Fernsprechapparat.
CH295849A (fr) Installation de télécommunication.
FR929982A (fr) Système téléphonique
FR54610E (fr) Système téléphoniques
ES8982Y (es) Aparatos telefónicos de abonado.
DK66006C (da) Telefonanlæg med Hoved- og Undercentraler.
ES159367A1 (es) Sistema de telefonía en altavoz, sin comunicación manual
CH240075A (de) Trägerfrequente Nachrichtenübertragungsanlage.
CH240685A (de) Teilnehmer-Anrufeinrichtung in elektro-akustischen Übertragungsanlagen.
DK73732C (da) Signaleringsanlæg, navnlig telefonanlæg med registre.
CH282889A (fr) Installation téléphonique.
CH251036A (fr) Installation téléphonique.
CH247352A (fr) Installation téléphonique.
CH275633A (fr) Installation téléphonique.
FR54611E (fr) Système téléphonique imprimeur