CH262449A - Automatic telephone system. - Google Patents

Automatic telephone system.

Info

Publication number
CH262449A
CH262449A CH262449DA CH262449A CH 262449 A CH262449 A CH 262449A CH 262449D A CH262449D A CH 262449DA CH 262449 A CH262449 A CH 262449A
Authority
CH
Switzerland
Prior art keywords
telephone system
automatic telephone
automatic
telephone
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH262449A publication Critical patent/CH262449A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH262449D 1945-03-12 1947-07-12 Automatic telephone system. CH262449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582195A US2426210A (en) 1945-03-12 1945-03-12 Intercept operator's position for unassigned party line stations

Publications (1)

Publication Number Publication Date
CH262449A true CH262449A (en) 1949-06-30

Family

ID=24328192

Family Applications (1)

Application Number Title Priority Date Filing Date
CH262449D CH262449A (en) 1945-03-12 1947-07-12 Automatic telephone system.

Country Status (5)

Country Link
US (1) US2426210A (en)
CH (1) CH262449A (en)
ES (1) ES173251A1 (en)
FR (1) FR923733A (en)
NL (1) NL76335C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871300A (en) * 1953-03-12 1959-01-27 Itt Intercept discriminator
US3909543A (en) * 1974-01-17 1975-09-30 Itt Disconnector circuit arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1727137A (en) * 1925-12-21 1929-09-03 Automatic Electric Inc Automatic telephone system
US1738059A (en) * 1926-09-22 1929-12-03 Automatic Electric Inc Telephone system
US2224497A (en) * 1939-04-15 1940-12-10 Associated Electric Lab Inc Telephone system
US2300186A (en) * 1941-03-29 1942-10-27 Kellogg Switchboard & Supply Telephone system
US2344634A (en) * 1942-01-08 1944-03-21 Stromberg Carlson Telephone Telephone intercept system

Also Published As

Publication number Publication date
FR923733A (en) 1947-07-16
NL76335C (en)
ES173251A1 (en) 1946-05-16
US2426210A (en) 1947-08-26

Similar Documents

Publication Publication Date Title
CH263053A (en) Stylograph.
CH289854A (en) Automatic telephone installation.
ES174626A1 (en) IMPROVEMENTS IN TELEPHONE CENTRAL SYSTEMS.
CH262449A (en) Automatic telephone system.
CH270706A (en) Automatic telephone system.
CH283934A (en) Telephone installation.
CH261997A (en) Automatic firearm.
FR1014565A (en) Semi-automatic telephone system
CH263435A (en) Telephone system.
DK78682C (en) Automatic telephone system.
DK75605C (en) Device for automatic telephone systems.
FR930964A (en) Automatic telephone system
ES11941Y (en) Automatic calculating device.
ES12038Y (en) Automatic terminal.
CH275986A (en) Telecommunications exchange system.
CH257256A (en) Telephone exchange.
CH246203A (en) Automatic alarm device.
GR10320B (en) INDEX SYSTEM.
GR10433B (en) AUTOMATIC DENTISTS.
DK76962C (en) Coupling device for automatic telephone systems.
DK65898C (en) Lyddaase.
ES11415Y (en) Container-bottle.
DK65590C (en) Snaplaas.
DK65032C (en) Kravlegaard.
DK65975C (en) Kortmaaler.