SE7507069L - Snabbtelefonsystem. - Google Patents

Snabbtelefonsystem.

Info

Publication number: SE7507069L
Authority: SE; Sweden
Prior art keywords: phone system; quick phone; quick; phone
Prior art date: 1974-06-27

Application number

SE7507069A

Other languages

English (en)

Swedish (sv)

Inventor

G Zukar

Original Assignee

Stoc Produzione Spa

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.)

1974-06-27

Filing date

1975-06-18

Publication date

1975-12-29

1975-06-18 Application filed by Stoc Produzione Spa filed Critical Stoc Produzione Spa

1975-12-29 Publication of SE7507069L publication Critical patent/SE7507069L/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Mobile Radio Communication Systems (AREA)

SE7507069A 1974-06-27 1975-06-18 Snabbtelefonsystem. SE7507069L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT51772/74A IT1029547B (it)	1974-06-27	1974-06-27	Impianto interfonico con apparecchi in parallelo su unica linea bifilare

Publications (1)

Publication Number	Publication Date
SE7507069L true SE7507069L (sv)	1975-12-29

Family

ID=11275703

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7507069A SE7507069L (sv)	1974-06-27	1975-06-18	Snabbtelefonsystem.

Country Status (9)

Country	Link
JP (1)	JPS5125003A (xx)
BE (1)	BE830487A (xx)
DE (1)	DE2528854A1 (xx)
DK (1)	DK291475A (xx)
FR (1)	FR2276755A1 (xx)
IT (1)	IT1029547B (xx)
LU (1)	LU72821A1 (xx)
NL (1)	NL7507718A (xx)
SE (1)	SE7507069L (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS52118091U (xx) *	1976-03-03	1977-09-07
DE2819386A1 (de) *	1978-05-03	1979-11-08	Bosch Gmbh Robert	Fernbedienung fuer funksprechgeraete
IT1110111B (it) *	1979-01-12	1985-12-23	Acet Srl	Impianto citofonico a portiere elettrico a due fili,suscettibile di utilizzare un pressistente impianto a campanello,senza necessita' di ulteriori linee di alimentazione
DE2946177C2 (de) *	1979-11-15	1988-08-18	S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen	Hausanlage zur Übertragung von Informationen
JPS56109065A (en) *	1980-02-01	1981-08-29	Fujitsu Ltd	Selective callout system by push button telephone set
JPS5745768A (en) *	1980-08-30	1982-03-15	Matsushita Electric Works Ltd	Emergency telephone device
DE3320397A1 (de) *	1983-06-06	1984-12-06	Siemens AG, 1000 Berlin und 8000 München	Anordnung zur vermittelbaren uebertragung von tonsignalen
JPH0620210B2 (ja) *	1985-01-30	1994-03-16	アイホン株式会社	インターホン電話機混成装置
JPS61128860U (xx) *	1985-01-31	1986-08-12
JPS6276851A (ja) *	1985-09-30	1987-04-08	Hitachi Elevator Eng & Serv Co Ltd	多局インタ−ホンの選局装置

1974
- 1974-06-27 IT IT51772/74A patent/IT1029547B/it active
1975
- 1975-06-18 FR FR7519116A patent/FR2276755A1/fr not_active Withdrawn
- 1975-06-18 SE SE7507069A patent/SE7507069L/xx unknown
- 1975-06-20 BE BE157549A patent/BE830487A/xx unknown
- 1975-06-25 LU LU72821A patent/LU72821A1/xx unknown
- 1975-06-26 DK DK291475A patent/DK291475A/da unknown
- 1975-06-27 NL NL7507718A patent/NL7507718A/xx unknown
- 1975-06-27 JP JP50080482A patent/JPS5125003A/ja active Pending
- 1975-06-27 DE DE19752528854 patent/DE2528854A1/de active Pending

Also Published As

Publication number	Publication date
BE830487A (fr)	1975-10-16
DK291475A (da)	1975-12-28
DE2528854A1 (de)	1976-01-08
NL7507718A (nl)	1975-12-30
IT1029547B (it)	1979-03-20
JPS5125003A (xx)	1976-03-01
LU72821A1 (xx)	1975-09-29
FR2276755A1 (fr)	1976-01-23

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