BE381219A - - Google Patents

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Publication number: BE381219A
Authority: BE; Belgium
Prior art keywords: relay; capacitor; circuit arrangement; polarized; stated
Prior art date

Application number

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Publication of BE381219A publication Critical patent/BE381219A/fr

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange

BE381219D BE381219A (sr)

Publication Number	Publication Date
BE381219A true BE381219A (sr)

Application Number	Title	Priority Date	Filing Date
BE381219D BE381219A (sr)

Country	Link
BE (1)	BE381219A (sr)

Publication	Publication Date	Title
BE381219A (sr)
US2023011A (en)	1935-12-03	Telephone system
US1126727A (en)	1915-02-02	Selector-switch.
US1577083A (en)	1926-03-16	Telephone-exchange system
US1722351A (en)	1929-07-30	Telephone system
US1578038A (en)	1926-03-23	Telephone system
SU1561210A1 (ru)	1990-04-30	Устройство дл совмещенного включени телефонных аппаратов
US1131811A (en)	1915-03-16	Selector for machine-switching telephone systems.
US1209834A (en)	1916-12-26	Telephone-exchange system.
US1364106A (en)	1921-01-04	Automatic telephone system
US1463815A (en)	1923-08-07	Telephone system
US1203671A (en)	1916-11-07	Telephone-exchange system.
US1337309A (en)	1920-04-20	Telephone system
US1308539A (en)	1919-07-01	clausen
US1279841A (en)	1918-09-24	Telephone-exchange system.
US1296679A (en)	1919-03-11	Telephone system.
US1215925A (en)	1917-02-13	Telephone-exchange system.
US1157745A (en)	1915-10-26	Automatic telephone system.
US1362096A (en)	1920-12-14	Telephone system
US2327201A (en)	1943-08-17	Telephone system
US1123506A (en)	1915-01-05	Telephone-exchange apparatus and system.
US1484950A (en)	1924-02-26	Telephone-exchange system
US1109216A (en)	1914-09-01	Automatic telephone-exchange system.
US1221167A (en)	1917-04-03	Automatic telephone-exchange system.
BE411648A (sr)