NL68221C - - Google Patents

Info

Publication number
NL68221C
NL68221C NL68221DA NL68221C NL 68221 C NL68221 C NL 68221C NL 68221D A NL68221D A NL 68221DA NL 68221 C NL68221 C NL 68221C
Authority
NL
Netherlands
Application number
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.)
Publication of NL68221C publication Critical patent/NL68221C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/16—Wiring arrangements for selector switches or relays in frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnets (AREA)
NL68221D 1940-07-29 NL68221C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US348223A US2415437A (en) 1940-07-29 1940-07-29 Telephone exchange apparatus

Publications (1)

Publication Number Publication Date
NL68221C true NL68221C (enrdf_load_html_response)

Family

ID=23367106

Family Applications (1)

Application Number Title Priority Date Filing Date
NL68221D NL68221C (enrdf_load_html_response) 1940-07-29

Country Status (5)

Country Link
US (1) US2415437A (enrdf_load_html_response)
BE (1) BE468622A (enrdf_load_html_response)
CH (1) CH280333A (enrdf_load_html_response)
FR (1) FR934845A (enrdf_load_html_response)
NL (1) NL68221C (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573889A (en) * 1948-12-14 1951-11-06 Hans P Boswau Automatic telephone switching mechanism
US2742535A (en) * 1951-05-15 1956-04-17 North Electric Co Automatic telephone system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1480202A (en) * 1924-01-08 Telephone system
US1374366A (en) * 1921-04-12 dickerson
US701499A (en) * 1900-08-27 1902-06-03 Anderson John Automatic telephone-exchange.
US767703A (en) * 1904-01-18 1904-08-16 Phoenix Electric Mfg Company Automatic electrical regulator.
US1046952A (en) * 1909-12-21 1912-12-10 Ernst Blos Automatic telephone system.
US1215859A (en) * 1916-05-22 1917-02-13 Western Electric Co Switch mechanism.
US1318178A (en) * 1916-10-25 1919-10-07 Philip W Goewey Circuit-controller.
US1275846A (en) * 1917-12-14 1918-08-13 Gen Electric Switch structure.
US1528767A (en) * 1922-04-27 1925-03-10 Western Electric Co Switching device
US1472503A (en) * 1922-06-20 1923-10-30 Western Electric Co Switching device
US1659627A (en) * 1925-10-12 1928-02-21 Ericsson Telefon Ab L M Selector switch
US1819675A (en) * 1929-05-04 1931-08-18 Bell Telephone Labor Inc Switch
US2123229A (en) * 1937-03-31 1938-07-12 Bell Telephone Labor Inc Selector switch
US2214907A (en) * 1938-12-30 1940-09-17 Associated Electric Lab Inc Switching apparatus
US2187115A (en) * 1939-03-02 1940-01-16 Bell Telephone Labor Inc Switching device

Also Published As

Publication number Publication date
US2415437A (en) 1947-02-11
FR934845A (fr) 1948-06-02
CH280333A (de) 1952-01-15
BE468622A (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
BE440256A (enrdf_load_html_response)
BE437891A (enrdf_load_html_response)
BE438794A (enrdf_load_html_response)
NL53463C (enrdf_load_html_response)
BE437917A (enrdf_load_html_response)
BE375327A (enrdf_load_html_response)
BE432598A (enrdf_load_html_response)
BE436800A (enrdf_load_html_response)
BE437143A (enrdf_load_html_response)
BE437554A (enrdf_load_html_response)
BE437800A (enrdf_load_html_response)
BE437808A (enrdf_load_html_response)
NL98648C (enrdf_load_html_response)
BE438183A (enrdf_load_html_response)
BE438217A (enrdf_load_html_response)
BE438273A (enrdf_load_html_response)
BE438314A (enrdf_load_html_response)
BE438353A (enrdf_load_html_response)
BE438393A (enrdf_load_html_response)
BE438615A (enrdf_load_html_response)
BE438632A (enrdf_load_html_response)
BE439070A (enrdf_load_html_response)
BE439082A (enrdf_load_html_response)
BE439282A (enrdf_load_html_response)
BE439378A (enrdf_load_html_response)