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US3697179A
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Light measuring device
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DE1943486A1
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Marking device for recording media
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US3623819A
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Universally applicable photometer with adapters for reducing the measuring angle
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DE1802300A1
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Arrangement for voltage-independent measurement of the duration of electrical pulses
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DE1802009A1
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Precision resistance with winding body
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DE1801027A1
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Arrangement for stepped reactance control
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DE1800797B1
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Electronic lightning meter
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DE1800596B1
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Core magnetic measuring mechanism
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DE1766025B1
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Arrangement of the tension band attachment points on the rotating coil of a mirror galvanometer
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GB1159766A
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Photo-Electric Exposure Device or Regulator.
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US3528350A
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Photoresistor circuit for light measuring arrangements
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DE1572665A1
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Circuit arrangement for electronic light meters or controllers
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DE1572660A1
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Electronic light meter
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DE1299761B
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Arrangement for frequency error compensation in moving iron or electrodynamometer voltmeters
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DE1541754B1
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Circuit arrangement with a small time constant for measuring the arithmetic mean value of a rectified AC voltage
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DE1522084B1
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Circuit arrangement for an electronically controlled camera shutter
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DE1548650A1
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Reading device for scales
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DE1548641B1
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Tube nib for recording devices
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DE1488916A1
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Arrangement for monitoring the power loss of power transistors working as actuators in power supply units
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DE1516078A1
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Overload protection for bimetal ammeters
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