FR882420A - - Google Patents

Info

Publication number
FR882420A
FR882420A FR882420DA FR882420A FR 882420 A FR882420 A FR 882420A FR 882420D A FR882420D A FR 882420DA FR 882420 A FR882420 A FR 882420A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
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 date
Priority claimed from GB398643A external-priority patent/GB563666A/en
Application granted granted Critical
Publication of FR882420A publication Critical patent/FR882420A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR882420D 1941-06-10 Expired FR882420A (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2454809X 1941-06-10
GB398643A GB563666A (en) 1943-03-11 1943-03-11 Improvements in or relating to automatic or semi-automatic telephone or like exchange systems

Publications (1)

Publication Number Publication Date
FR882420A true FR882420A (pl) 1943-06-18

Family

ID=33099943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882420D Expired FR882420A (pl) 1941-06-10

Country Status (2)

Country Link
US (1) US2454809A (pl)
FR (1) FR882420A (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098397A (en) * 1975-03-17 1978-07-04 Mann Jr William Multi chambered thermal container

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597007A (en) * 1942-03-31 1952-05-20 Int Standard Electric Corp Common control circuit for operating switches rearward to calling line
US2583014A (en) * 1942-06-12 1952-01-22 Int Standard Electric Corp Automatic control of final selectors
US2553553A (en) * 1942-09-07 1951-05-22 Int Standard Electric Corp Selector switching system
US2598822A (en) * 1945-10-13 1952-06-03 Roelof M M Oberman Signaling system with private branch exchange subscriber
NL138284B (pl) * 1948-01-08
US2640883A (en) * 1948-09-11 1953-06-02 Hartford Nat Bank & Trust Co Marker control arrangement for selectors
NL81976C (pl) * 1949-06-02
NL154404B (nl) * 1949-06-24 Gen Foods Corp Werkwijze voor het bereiden van met aceetaldehyde gearomatiseerde saccharose.
NL154534B (nl) * 1949-06-30 Saleen Gmbh & Co Werkwijze voor de bereiding van een polypropeenschuim, werkwijze voor de vervaardiging van draden of strengvormige produkten van polypropeenschuim, alsmede voorwerpen uit polypropeenshcuim verkregen onder toepassing van deze werkwijzen.
BE498516A (pl) * 1949-10-07
US2688659A (en) * 1949-10-31 1954-09-07 Hartford Nat Bank & Trust Co Circuit-arrangement for use in automatic signaling systems for numerical adjustment of a switch by a selective marking method
BE500637A (pl) * 1950-01-16
US2896198A (en) * 1953-04-28 1959-07-21 Hughes Aircraft Co Electrical analog-to-digital converter
US3508001A (en) * 1966-06-24 1970-04-21 P & H Electronics Electric retrieval system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL55949C (pl) * 1943-03-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098397A (en) * 1975-03-17 1978-07-04 Mann Jr William Multi chambered thermal container

Also Published As

Publication number Publication date
US2454809A (en) 1948-11-30

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