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FR1141980A - Improvements to radio receivers - Google Patents

Improvements to radio receivers

Info

Publication number
FR1141980A
FR1141980A FR1141980DA FR1141980A FR 1141980 A FR1141980 A FR 1141980A FR 1141980D A FR1141980D A FR 1141980DA FR 1141980 A FR1141980 A FR 1141980A
Authority
FR
France
Prior art keywords
radio receivers
receivers
radio
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1141980A publication Critical patent/FR1141980A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/125Control of position or direction using feedback using discrete position sensor
    • G05D3/127Control of position or direction using feedback using discrete position sensor with electrical contact

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR1141980D 1954-12-21 1955-12-20 Improvements to radio receivers Expired FR1141980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1141980X 1954-12-21

Publications (1)

Publication Number Publication Date
FR1141980A true FR1141980A (en) 1957-09-12

Family

ID=10877253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141980D Expired FR1141980A (en) 1954-12-21 1955-12-20 Improvements to radio receivers

Country Status (1)

Country Link
FR (1) FR1141980A (en)

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