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Occupational Ergonomic - Mobile Phone

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by

Poly Wong

on 2 June 2014

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Transcript of Occupational Ergonomic - Mobile Phone

Welcome!
Occupational Ergonomic
Poly Wong & Victor Vutliu
Mobile Phone
Types of mobile phones
Types of mobile phones
Mobile phone
Mobile Phone Evolution
1980s
1990s
2000s
Present
First Mobile Phone 1980s
First Mobile design by Motorola in 1973 that weigh like a brick & cost approximately $3900
First Digital Hand Size Mobile Phone
1992 - Motorala International 3200
1996 - Motorola StarTac
The Evolution Era
2004 - Motorola RAZR V3
2007 - Nokia N95
2008- Apple iPhone 3G
The Modern Technology
2010 - Apple iPhone 4, Samsung Galaxy S
2011 -Apple iPhone 4s , Samsung Galaxy SII
2012 - Apple iPhone 5, Samsung Galaxy SIII & Note 2, HTC One X
2013 - Apple iPhone 5s, Samsung Galaaxy S4 & Note 3, HTC One
Current - Samsung S5, HTC ONE (M8), Sony Xperia Z2

Types of Mobile Phone
References:
Ergonomic Consideration in Design
Anthropometry Design
Weight
1980s, the first mobile phone weigh like a Brick.
1990s, Motorola designed an approximately 880 gram mobile phone.
Currently, the mobile phone weigh around 120gram to 200gram.
Repetitive Usage
Cell phone elbow
Wrist & Finger
Neck Injury
Eyes
Improvement of Ergonomic Design
Accessories
Software Novelties
Camera

1989, MicroTac Pocket Cellular Telephone
1996- Nokia 8110, first high-end phone
Decide who the users are
Obtain information about their characteristics (the relevant ones for the situation)
Decide on the design approach
Custom fit
Several fixed sizes
Adjustable
Design for the extreme users
Select users who fit the design

Is it always practicable (or necessary) to accommodate everybody?
How do we decide who to accommodate?
When must we allow for the extreme user?
When is ‘one size fits all’ acceptable?
What other constraints might influence design?

Repetition
-Repeated use of the same muscles in the same way.
Posture
–Awkward, uncomfortable, static loading of muscles.
Stress
–Mental stress, cognitive overload

MSD
Risk Factors
Frequency of repetition
Duration
Repeated flexion / extension of wrist
Force required
Precision grip rather than power grip
Non-neutral hand / wrist postures
Awkward work postures

User iNTERFACE (ui)
Motorola Razr V3
Features:
Dimension- 98 x 53 x 13.9mm
Weight- 95g
Design:
Slim & Sleek
Clam shell style
Anodized Aluminum case
Color display
Panasonic GD 50 & 55
Features:
Dimension: 77 X 17mm X 51 cc
Weight: 65g
Design:
Lightest weight
Smallest in size
Keypad button size of rice
Blue Backlight

Nokia N90
Features:
Dimension- 112x51x24 mm
Weight- 173g
Design:
Clamshell with swivel
90 degree rotating screen
5 way navigation key
Side joystick
Enhance camera features
Samsung Galaxy Mega
Features:
Dimension- 167.6x88x8mm
Weight- 199g
Design:
Active noise cancellation with mic
Contrast ratio: 1379:1 (nominal) / 1.913:1 (sunlight)
Voice 67dB / Noise 69dB / Ring 75dB
Large font size
Stylus pen
LG G Flex
Features:
Dimension:160.5x81.6x8.7mm
Weight: 177g
Design:
Ergonomic curve design
Flexible bend flat of up to 180degree
Intuitive rear key
Sound enhancement
OLED Screen display

Features:
Dimension:
Weight: 90g
Design:
110 x 45 x 14 mm
Human curvature shape
Compact candybar style
Keypad and D-pad
Light weight
Contrast & color legibility
Sony Ericsson Elm
Control Measures
3 Ways to help alleviate or avoid text neck becoming a pain in your neck:
Modify the position of the device.
Take breaks.
Become physically fit.
Designing the applications so that the user can use the application comfortably without being visually, mentally or physically stress.
It takes account of the user's capabilities and limitations in seeking to ensure that tasks and information suit the user.
Font Size
Easy to read Color combination
Spacing
Touch UI
Full transcript