Horology: time measuring systems or devices – Regulating means – For setting
Patent
1990-01-16
1991-08-20
Miska, Vit W.
Horology: time measuring systems or devices
Regulating means
For setting
368321, 200 11R, 200 6R, 307106, G04B 2900, H01H 1960
Patent
active
050420178
ABSTRACT:
An apparatus for generating a digital pulse train from a dial rotation indicating the direction and degree of rotation. The device incorporates two facing disks mounted to a stem and having mating teeth on adjacent surfaces. One disk is mounted for free rotation about the winding stem and projects an actuating lever arm from its periphery. The other disk is mounted for axial movement and is keyed to rotate with the shaft. Left and right micro-switches are mounted proximate the disks and positioned to be contacted by the actuating lever when it is rotated in the respective left and right directions. During this rotation the stem moves the keyed disk in the selected direction of rotation. The keyed disk engages the free disk and causes it to rotate until the actuating lever arm contacts a micro-switch. When such contact occurs, the free disk is prevented from further rotation and the keyed disk shifts over the teeth of the free disk. This shifting repetition causes the lever arm to be periodically forced against the micro-switch to cause periodic switching during stem rotation.
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patent: 4801814 (1989-01-01), Rose et al.
Digital Appliance Controls, Inc.
Miska Vit W.
White Douglas B.
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