NEONODE ZForce AIR Touch Sensor User manual

zForce AIR® Touch Sensor

User's Guide

2018-03-12

Legal Notice

Neonode may make changes to specifications and product descriptions at any time, without notice.Do not finalize

a design with this information.Neonode assumes no liability for applications assistance or customer product

design. Customers are responsible for their products and applications using Neonode components. To minimize

the risks associated with customer products and applications, customers should provide adequate design and

operating safeguards.

Neonode components are neither designed nor intended for use in FDA Class III applications, or similar life-critical

medical equipment. Customers acknowledge and agree that they will not use any Neonode components in FDA

Class III applications, or similar life-critical medical equipment, and that Neonode will not be responsible for any

failure to meet the requirements of such applications or equipment.

No part of the materials contained in any Neonode document may be copied, photocopied, reproduced, translated

or reduced to any electronic medium or machine-readable form, in whole or in part, without specific written

permission from Neonode Inc.

NEONODE,the NEONODE logo,ZFORCE andZFORCE AIRare trademarks of Neonode Inc. registered in the United

States and other countries. All other trademarks are the property of their respective owners.

zForce AIR® Touch Sensor User's Guide Table of Contents

1 Table of Contents

1 Table of Contents .................................................................................................................3

2 Introduction ..........................................................................................................................8

2.1 Product Overview 8

2.1.1 Main Features 8

2.2 Product Variants 8

2.2.1 Sensor Orientation 9

2.2.2 Sensor Length 9

Touch Active Area 10

2.3 Basic Principles 12

2.4 Applications 13

2.5 Product Design and Components 13

2.5.1 Sensor Design 13

Exploded view 14

2.5.2 Sensor Components 15

2.6 Product Integration 15

3 Getting started with zForce AIR Touch Sensor Evaluation ..........................................16

3.1 Evaluation Kit Contents 16

3.2 Getting Started 16

3.3 Connecting Sensor 16

3.4 Communicating with Sensor 19

3.4.1 Neonode Workbench 19

3.4.2 USB HID Digitizer Mode 19

3.4.3 USB HID Raw Mode 19

3.4.4 I2C Transport 19

3.4.5 SDK 19

4 Multi-Touch Functionality.................................................................................................21

4.1 Shadows 21

4.1.1 Shadow Trick 21

4.2 Adjacent Objects 22

4.3 More ThanTwo Objects 22

5 Mechanical Integration .....................................................................................................23

zForce AIR® Touch Sensor User's Guide Table of Contents

5.1 Means of Integration 23

5.1.1 Horizontal Integration 23

5.1.2 Vertical Integration 24

5.1.3 Options for Guiding and Fastening 24

5.1.4 External Window 25

5.1.5 External Reflective Surface 25

5.2 Touch Applications 25

5.2.1 Touch Accuracy 25

5.2.2 Hovering Touches 26

5.2.3 Assembly Tolerances 26

Translational Tolerances 26

Rotational Tolerances 26

6 Electrical Integration.........................................................................................................29

6.1 Electrical Block Diagram 29

6.2 Physical Connector 29

6.3 Pin-Out 30

6.4 Interface Configuration 31

6.4.1 USB Connection 31

USBCharacteristics 31

6.4.2 I2CConnection 33

I2CCharacteristics 33

PIN 3 (DR) Characteristics 34

I2C Reading Sequence 35

6.5 Power On and Boot Sequence 35

7 Software Integration .........................................................................................................36

7.1 Software Integration Overview 36

7.1.1 Communication Protocol 36

7.1.2 zForce SDK 36

7.2 Initializing Sensors 36

7.2.1 USB HID Raw Mode 36

7.2.2 I2C 36

7.3 zForce® Communication Protocol 37

7.3.1 Communication Protocol Overview 37

Introduction 37

Transport Layer 37

zForce AIR® Touch Sensor User's Guide Table of Contents

Presentation Layer 38

7.3.2 Communication Protocol Quick Start 38

Encoding Integers 38

Enabling Sensors 38

Disabling Sensors 38

Device Configuration 39

Setting Frequency 39

Decoding Touch Notifications 40

7.3.3 Transport Layer 41

I2C Transport 41

USB HID Transport 44

7.3.4 Presentation Layer (ASN.1) 57

ASN.1 PDU Description 57

ASN.1 PDU Examples 68

8 Specifications .....................................................................................................................72

8.1 Specifications Overview 72

8.1.1 Touch Performance Specification 72

8.1.2 Technical Specification 72

8.2 Touch Performance 73

8.2.1 Touch Object Requirement 73

8.2.2 Touch Accuracy 73

Specification 73

Definition 73

8.2.3 Response Time 73

Specification 74

Definition 74

8.2.4 Scanning Frequency 74

8.3 Power Consumption 75

8.3.1 Specification 75

8.3.2 Definition 76

8.4 Environmental Requirements 76

8.4.1 Operating and Storage Conditions 76

8.4.2 ESD rating 77

8.4.3 Agency Approvals 77

8.5 Electrical Requirements 77

8.5.1 Absolute Maximum Ratings 77

zForce AIR® Touch Sensor User's Guide Table of Contents

8.5.2 Recommended Operating Conditions 77

8.6 Optical Requirements on External Window 77

8.6.1 Optical Requirements 77

8.6.2 Geometrical Constraints 78

8.7 Mechanical Data 79

8.7.1 Physical Dimensions and Position of Origin 79

Top View 79

Side View 81

8.8 Test Specifications and Definitions 82

8.8.1 Reliability Test Specification 82

Overview 82

8.8.2 Reliability Test Report 84

zForce AIR® Touch Sensor User's Guide Table of Contents

https://support.neonode.com 7

zForce AIR® Touch Sensor User's Guide Introduction

https://support.neonode.com 8

1 http://www.neonode.com/

2 Introduction

2.1 Product Overview

The zForce AIR Touch Sensor is a laser light based touch sensor that can be integrated and used in various

applications. The sensor characteristics are high scanning frequency, low latency, good touch accuracy and the fact

that it can be used on any surface or even in mid air. zForce AIR Touch Sensor can be connected to the host system

through a standard connector and communicatethrough a standardI2C or USB interface.

2.1.1 Main Features

•Enables touch on any surface or in mid air

•Dual touch support

• High scanning frequency – up to 200Hz or more depending on sensor length

•Low touch latency

•High touch accuracy

•Idle mode for reduced current power consumption

•Configurable touch active area

• I2Cand USB interface

•Standard 5V power supply

2.2 Product Variants

In order to fit in a wide range of applications, the zForce AIR Touch Sensor exists in two types and a number of

different lengths.

If the variant you are interested in is not availablefor purchase from your distributor, please contact the

distributoror a Neonode sales representative (refer to www.neonode.com1)for more information.



zForce AIR® Touch Sensor User's Guide Introduction

https://support.neonode.com 9

2.2.1 Sensor Orientation

The zForce AIR Touch Sensor is available in two types, one where the active area emerges straight out from the

sensor (0° type) and one where it emerges out from the sensor at a 90° angle (90° type). This enables both vertical

and horizontal integration.

0° Type

90° Type

2.2.2 Sensor Length

The Touch Sensor is available in 43 different lengths. The length affects the Touch Active Area (TAA) in both X and Y

directions.

zForce AIR® Touch Sensor User's Guide Introduction

https://support.neonode.com 10

Touch Active Area

The table lists all product variants, the product number, and the TAA for each variant. See alsoPhysical Dimensions

and Position of Origin (see page 79).

Product number TAA (mm)

0° Type 90° Type X Y

NNAMC0430PC01 NNAMC0431PC01 43.2 14.9

NNAMC0500PC01 NNAMC0501PC01 50.4 29.8

NNAMC0580PC01 NNAMC0581PC01 57.6 29.8

NNAMC0640PC01 NNAMC0641PC01 64.8 44.7

NNAMC0720PC01 NNAMC0721PC01 72 44.7

NNAMC0790PC01 NNAMC0791PC01 79.2 59.6

NNAMC0860PC01 NNAMC0861PC01 86.4 59.6

NNAMC0940PC01 NNAMC0941PC01 93.6 74.5

NNAMC1010PC01 NNAMC1011PC01 100.8 74.5

NNAMC1080PC01 NNAMC1081PC01 108 89.4

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