FR1154820A - Improvements to electronic devices - Google Patents

Improvements to electronic devices

Info

Publication number
FR1154820A
FR1154820A FR1154820DA FR1154820A FR 1154820 A FR1154820 A FR 1154820A FR 1154820D A FR1154820D A FR 1154820DA FR 1154820 A FR1154820 A FR 1154820A
Authority
FR
France
Prior art keywords
electronic devices
electronic
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.)
Edison Swan Electric Co Ltd
Original Assignee
Edison Swan Electric 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 Edison Swan Electric Co Ltd filed Critical Edison Swan Electric Co Ltd
Application granted granted Critical
Publication of FR1154820A publication Critical patent/FR1154820A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR1154820D 1955-07-15 1956-07-13 Improvements to electronic devices Expired FR1154820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1154820X 1955-07-15

Publications (1)

Publication Number Publication Date
FR1154820A true FR1154820A (en) 1958-04-17

Family

ID=10878237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154820D Expired FR1154820A (en) 1955-07-15 1956-07-13 Improvements to electronic devices

Country Status (2)

Country Link
FR (1) FR1154820A (en)
NL (2) NL208936A (en)

Also Published As

Publication number Publication date
NL98204C (en)
NL208936A (en)

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