GB1393673A - Electrodeless discharge devices - Google Patents

Electrodeless discharge devices

Info

Publication number
GB1393673A
GB1393673A GB1490371A GB1490371A GB1393673A GB 1393673 A GB1393673 A GB 1393673A GB 1490371 A GB1490371 A GB 1490371A GB 1490371 A GB1490371 A GB 1490371A GB 1393673 A GB1393673 A GB 1393673A
Authority
GB
United Kingdom
Prior art keywords
electrodeless discharge
coating
discharge devices
nesa
emi
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
GB1490371A
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.)
AMI Ltd
Original Assignee
AMI 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 AMI Ltd filed Critical AMI Ltd
Priority to GB1490371A priority Critical patent/GB1393673A/en
Publication of GB1393673A publication Critical patent/GB1393673A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

1393673 Gas discharge lamps EMI Ltd 11 May 1972 [12 May 1971] 14903/71 Heading H1D An electrodeless discharge lamp is provided externally of the discharge space 2 with a conductive coating 7 of graphite or Nesa (Registered Trade Mark) which acts as a starting electrode. The coating 7 is capacitively coupled to a similar coating 4 on the interior of part 3 of the envelope which is connected to a terminal 5. An insulating knob 8 is provided.
GB1490371A 1971-05-12 1971-05-12 Electrodeless discharge devices Expired GB1393673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1490371A GB1393673A (en) 1971-05-12 1971-05-12 Electrodeless discharge devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1490371A GB1393673A (en) 1971-05-12 1971-05-12 Electrodeless discharge devices

Publications (1)

Publication Number Publication Date
GB1393673A true GB1393673A (en) 1975-05-07

Family

ID=10049580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1490371A Expired GB1393673A (en) 1971-05-12 1971-05-12 Electrodeless discharge devices

Country Status (1)

Country Link
GB (1) GB1393673A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174238A (en) * 1985-03-14 1986-10-29 Philips Nv Electrodeless low-pressure discharge lamp
GB2221086A (en) * 1988-06-20 1990-01-24 Gen Electric Starting electrodes for electrodeless lamps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174238A (en) * 1985-03-14 1986-10-29 Philips Nv Electrodeless low-pressure discharge lamp
GB2174238B (en) * 1985-03-14 1989-06-21 Philips Nv Electrodeless low-pressure discharge lamp
GB2221086A (en) * 1988-06-20 1990-01-24 Gen Electric Starting electrodes for electrodeless lamps

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees