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Donald O'Brien, ~84Manchester, NH

Donald O'Brien Phones & Addresses

Manchester, NH   

Hamlin, PA   

Ayer, MA   

Lake Ariel, PA   

Honesdale, PA   

Goffstown, NH   

Work

Company: Coldwell Banker Address: Concord, NH Phones: 603-2244422 (Phone)

Mentions for Donald O'Brien

Professional Records

Real Estate Brokers

Donald O'Brien Photo 1

Donald O'Brien, Concord NH - Agent

Work:
Coldwell Banker
Concord, NH
603-2244422 (Phone)

Resumes

Resumes

Donald O'Brien Photo 2

Industrial Engr At Program Catalyst Inc.

Position:
Industrial Engr at Program Catalyst Inc.
Location:
United States
Industry:
Defense & Space
Work:
Program Catalyst Inc.
Industrial Engr
Donald O'Brien Photo 3

Donald O'brien

Location:
United States
Donald O'Brien Photo 4

Donald O'brien

Location:
United States
Donald O'Brien Photo 5

Consultant At Male Duck Inc

Location:
United States
Industry:
Defense & Space

Publications

Us Patents

Pressure Compensated Marine Electrical Cable Apparatus

US Patent:
4003620, Jan 18, 1977
Filed:
Oct 12, 1970
Appl. No.:
5/079781
Inventors:
Donald G. O'Brien - Wayland MA
Edward R. Walker - Natick MA
Assignee:
D. G. O'Brien, Inc. - Framingham MA
International Classification:
H01R 1352
US Classification:
339 29R
Abstract:
Marine electrical cable apparatus has a flexible cable jacket loosely containing cable conductors and filled with a relatively incompressible fluid such as oil. The jacket flexes with changes in the environmental pressure to transmit that pressure to the inner fluid and thereby maintain minimal pressure differential across the jacket walls. Terminations at each end of the cable seal the jacket interior from the environment and feed the cable conductors from within the jacket out for connection with further electrical equipment.

Actuators For Simulating Muscle Activity In Robotics

US Patent:
5697285, Dec 16, 1997
Filed:
Dec 21, 1995
Appl. No.:
8/576643
Inventors:
Bruce Nappi - Newton MA
Donald Francis O'Brien - Waltham MA
International Classification:
F15B 1100
F15B 1900
US Classification:
91519
Abstract:
An apparatus generates power at micro-scale dimensions that is sufficient to simulate the muscle activity required by the joints of robotic fingers. The apparatus includes a bellows device for generating a motion stimulus in response to pressure changes within the bellows. A configuration of programmable micromachined valves is used to regulate the flow of pressurized fluid within the bellows. A microprocessor is responsive to motion commands for controlling the operation of the apparatus. The apparatus is configured as an integrated device that is coupled to the articulations of a robotic hand via suitable attachment mechanisms.

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