Seal for keyboard or switch - has membrane clamped by snap action collar into slot in centre piece of each button
DE2639682A1
Lettering inset system for illuminated displays - has regular grid network on its front with circular perforations or square line arrangement
GB1535243A
Pushbutton electric switches
DE2630882B1
Push button for opening electrical circuits
DE2516437A1
CONTACT ELEMENT
DE2516475A1
KEYPAD EQUIPMENT
DE2516527A1
Keyboard with illuminated keys - has each key square housing provided with dovetail grooves and ribs parallel to key motion
DE2512490A1
Rocker switch with switching lever - has locking bolt in inner lever end with two lugs as bearing elements
DE2512489A1
Illuminated push-button switch - has light element push-button with two separated compression springs for contacts connection
DE2510895A1
Accurate angle position encoder without mechanical contacts - for encoding a manually operated shaft position device using HALL effect detectors and permanent magnets
DE2504091A1
BUTTONS FOR ELECTRICAL DEVICES
DE2351998A1
Contactless push-button switch with adjustment device - has integrated circuit with transistors and hall generator
DE2325833A1
FRONT FRAME FOR THE PANELS OF AN ELECTRICAL DISPLAY UNIT
