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Frank J Bolda, Age 99510 Sherron Rd, Durham, NC 27703

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Known as:
Frank Joseph Bolda Frank Liv Bolda Frank Te Bolda Frank Living Bolda Donald Bolda
Related to:
James Boyd Woods 90

Frank Bolda Phones & Addresses

510 Sherron Rd, Durham, NC 27703

4517 Pitt St, Raleigh, NC 27609 (919) 787-7989

West End, NC

Vass, NC

26 Gate 7, Calabash, NC 28467 (910) 575-4470 (910) 579-6910

Carolina Shores, NC

Thomasville, NC

New Bern, NC

5206 7 Lks W, West End, NC 27376 (910) 579-6910

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Work

Position: Executive, Administrative, and Managerial Occupations

Education

Degree: Associate degree or higher

Emails

f***[email protected]

Mentions for Frank J Bolda

Publications & IP owners

Us Patents

Magnetically Snap Actuated Contact Keyboard Apparatus

US Patent:
4689608, Aug 25, 1987
Filed:
Jan 22, 1985
Appl. No.:
6/693638
Inventors:
Frank J. Bolda - Raleigh NC
John P. McKnight - Raleigh NC
Russell J. Sturm - Raleigh NC
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G08C 900
US Classification:
340365L
Abstract:
In the preferred embodiment of the invention, the snap actuator is an angled magnetically permeable plate. One leg of the angled plate is attracted to a strip magnet placed on a circuitboard. This particular portion of the plate also has two spring fingers that make contact with spherical or domed contacts on the circuitboard or, in the alternative, have formed dome portions in the end of each finger for contacting flat contacts on the circuitboard so that a wiping action that is resistant to contamination results. The other leg of the angled plate serves as a lever arm to which key button pressure is applied. The angle between the plates or the edge of the strip magnet serves as a fulcrum for pivoting the plate under the influence of key pressure. When key pressure has built up sufficiently, the magnetic attraction is substantially broken and the angled plate is suddenly released, thereby breaking contact with the circuit contacts and allowing the circuit voltage to be sensed.

Possible Relatives

David J Bolda  Denise L Bolda  Thomas J Bolda  Andrew P Bolda  Barbara A Bolda  Frank J Last  Frank A Standage  Frank M Stanford  Frank W Jones  Frank K Stange 

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