|
GB1328848A
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Alternating-current control devices
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GB1312333A
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Bistable control amplifier device
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Electronic gas discharge tube starter having a semiconductor switch element controlled by a capacitive voltage divider
|
|
GB1285206A
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Improvements in or relating to the electronic ignition of gas discharge tubes
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|
US3638043A
|
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Current control device
|
|
GB1224603A
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An alternating current control device
|
|
FR1539355A
|
|
Device for adjusting an electric current
|
|
GB1194877A
|
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Improvements in or relating to apparatus for the control of an electric current
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FR1531809A
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Electronic condenser humidity indicator
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GB1182790A
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Electronic Capacitive Moisture Indicator.
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