FR2102501A5 - - Google Patents

Info

Publication number: FR2102501A5
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

FR7028980A

Other languages

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.)

Legrand SA

Original Assignee

Legrand 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.)

1970-08-06

Filing date

1970-08-06

Publication date

1972-04-07

1970-08-06 Application filed by Legrand SA filed Critical Legrand SA

1970-08-06 Priority to FR7028980A priority Critical patent/FR2102501A5/fr

1972-04-07 Application granted granted Critical

1972-04-07 Publication of FR2102501A5 publication Critical patent/FR2102501A5/fr

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/025—Door telephones

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)

FR7028980A 1970-08-06 1970-08-06 Expired FR2102501A5 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7028980A FR2102501A5 (de)	1970-08-06	1970-08-06

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7028980A FR2102501A5 (de)	1970-08-06	1970-08-06

Publications (1)

Publication Number	Publication Date
FR2102501A5 true FR2102501A5 (de)	1972-04-07

Family

ID=9059874

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7028980A Expired FR2102501A5 (de)	1970-08-06	1970-08-06

Country Status (1)

Country	Link
FR (1)	FR2102501A5 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0117251A3 (de) *	1983-02-17	1985-10-30	STUZZI Radiotechnische Fabrik Spezialunternehmen für Magnettontechnik Viktor Stuzzi Gesellschaft m.b.H.	Kombinierte Ruf- und Wechselsprechanlage für Türen

1970
- 1970-08-06 FR FR7028980A patent/FR2102501A5/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0117251A3 (de) *	1983-02-17	1985-10-30	STUZZI Radiotechnische Fabrik Spezialunternehmen für Magnettontechnik Viktor Stuzzi Gesellschaft m.b.H.	Kombinierte Ruf- und Wechselsprechanlage für Türen

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Legal Events

Date	Code	Title	Description
1980-06-06	ST	Notification of lapse