FR1271285A - Dispositif indicateur notamment à l'usage des mines - Google Patents

Dispositif indicateur notamment à l'usage des mines

Info

Publication number
FR1271285A
FR1271285A FR835530A FR835530A FR1271285A FR 1271285 A FR1271285 A FR 1271285A FR 835530 A FR835530 A FR 835530A FR 835530 A FR835530 A FR 835530A FR 1271285 A FR1271285 A FR 1271285A
Authority
FR
France
Prior art keywords
mines
indicator device
device especially
indicator
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
FR835530A
Other languages
English (en)
Inventor
F C Riches
P H Varney
K Clark
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.)
Sargrove Electronics Ltd
Original Assignee
Sargrove Electronics Ltd
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 Sargrove Electronics Ltd filed Critical Sargrove Electronics Ltd
Priority to FR835530A priority Critical patent/FR1271285A/fr
Application granted granted Critical
Publication of FR1271285A publication Critical patent/FR1271285A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR835530A 1960-08-10 1960-08-10 Dispositif indicateur notamment à l'usage des mines Expired FR1271285A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR835530A FR1271285A (fr) 1960-08-10 1960-08-10 Dispositif indicateur notamment à l'usage des mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR835530A FR1271285A (fr) 1960-08-10 1960-08-10 Dispositif indicateur notamment à l'usage des mines

Publications (1)

Publication Number Publication Date
FR1271285A true FR1271285A (fr) 1961-09-08

Family

ID=8737232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835530A Expired FR1271285A (fr) 1960-08-10 1960-08-10 Dispositif indicateur notamment à l'usage des mines

Country Status (1)

Country Link
FR (1) FR1271285A (fr)

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