Invention Grant
- Patent Title: Mercury switch arrangement for digital watch
- Patent Title (中): 数字手表的水星开关装置
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Application No.: US775448Application Date: 1977-03-08
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Publication No.: US4129982APublication Date: 1978-12-19
- Inventor: Virgil de la Cruz
- Applicant: Virgil de la Cruz
- Assignee: Cruz Virgil De
- Current Assignee: Cruz Virgil De
- Main IPC: G04C3/00
- IPC: G04C3/00 ; G04B19/24
Abstract:
An automatically operating switch for activating the display of an LED digital wrist watch. The orientation of the wearer's wrist determines each of the various functions of the watch that are visually displayed. A curved tube of a non-wetting type is provided for housing a mercury bead. The position of the tube can be manually adjusted within the watch case in order to alter the response characteristics of the switch.
Public/Granted literature
- US5826142A Image forming apparatus and electrophotographic photosensitive member to be used therefor Public/Granted day:1998-10-20
Information query
