NL74027C - - Google Patents

Info

Publication number
NL74027C
NL74027C NL74027DA NL74027C NL 74027 C NL74027 C NL 74027C NL 74027D A NL74027D A NL 74027DA NL 74027 C NL74027 C NL 74027C
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 NL74027C publication Critical patent/NL74027C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/30—Igniting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
NL74027D 1940-09-20 NL74027C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US357518A US2267950A (en) 1940-09-20 1940-09-20 Telephone system
US388221A US2319424A (en) 1940-09-20 1941-04-12 Telephone system

Publications (1)

Publication Number Publication Date
NL74027C true NL74027C (de)

Family

ID=26999687

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74027D NL74027C (de) 1940-09-20

Country Status (5)

Country Link
US (3) US2267950A (de)
BE (1) BE477685A (de)
CH (1) CH273261A (de)
GB (2) GB548932A (de)
NL (1) NL74027C (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL57799C (nl) * 1941-03-07 1945-09-15 Bell Telephone Mfg Schakeling voor het besturen van een apparatuur in seinstelsels, in het bijzonder van de instelling van schakelaars in centrales voor telefoonstelsels
NL58889C (de) * 1941-04-25
US2490038A (en) * 1941-06-26 1949-12-06 Int Standard Electric Corp Electrical signaling system
BE447417A (de) * 1941-08-21
US2586704A (en) * 1942-08-06 1952-02-19 Automatic Elect Lab Message data recording telephone system
US2698880A (en) * 1943-05-05 1955-01-04 American Telephone & Telegraph Calling line identifier
BE473095A (de) * 1946-05-17
US2532750A (en) * 1946-08-03 1950-12-05 Automatic Telephone & Elect Calling line identifier having display device at operator's position
US2532926A (en) * 1947-02-14 1950-12-05 Automatic Elect Lab Party line metering, including selection of the meter prior to signaling the operator
NL79795C (de) * 1947-08-22
US2594923A (en) * 1948-06-16 1952-04-29 Bell Telephone Labor Inc Call data recording telephone system
US2633498A (en) * 1948-12-29 1953-03-31 Bell Telephone Labor Inc Selecting and two-way translating system
US2639330A (en) * 1949-03-04 1953-05-19 Automatic Elect Lab Calling line identification apparatus
NL78690C (de) * 1949-04-26
US2594505A (en) * 1949-12-09 1952-04-29 Bell Telephone Labor Inc Calling line identification and registering system
BE500226A (de) * 1949-12-24
US2607891A (en) * 1950-06-10 1952-08-19 Bell Telephone Labor Inc Translating circuits utilizing glow discharge devices

Also Published As

Publication number Publication date
CH273261A (de) 1951-01-31
BE477685A (de)
GB554091A (en) 1943-06-18
GB548932A (en) 1942-10-29
US2267950A (en) 1941-12-30
USRE23388E (en) 1951-07-10
US2319424A (en) 1943-05-18

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