FR862049A - Electrical and similar indicating devices - Google Patents

Electrical and similar indicating devices

Info

Publication number
FR862049A
FR862049A FR862049DA FR862049A FR 862049 A FR862049 A FR 862049A FR 862049D A FR862049D A FR 862049DA FR 862049 A FR862049 A FR 862049A
Authority
FR
France
Prior art keywords
electrical
indicating devices
similar indicating
similar
devices
Prior art date
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR862049A publication Critical patent/FR862049A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
FR862049D 1938-11-25 1939-12-01 Electrical and similar indicating devices Expired FR862049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB862049X 1938-11-25

Publications (1)

Publication Number Publication Date
FR862049A true FR862049A (en) 1941-02-25

Family

ID=10603124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862049D Expired FR862049A (en) 1938-11-25 1939-12-01 Electrical and similar indicating devices

Country Status (1)

Country Link
FR (1) FR862049A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489659A (en) * 1944-06-12 1949-11-29 Moser Otto Number indicator for telephone substations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489659A (en) * 1944-06-12 1949-11-29 Moser Otto Number indicator for telephone substations

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