Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Optacon

The Optacon (OPtical to TActile CONverter) is an electromechanical device that enables blind people to read printed material that has not been transcribed into Braille. The device consists of two parts: a scanner which the user runs over the material to be read, and a finger pad which translates the words into vibrations felt on the finger tips. The…

History, Research, Art & Measurement

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Optacon. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Early history

Funding for Optacon research and development

Development of the Optacon

Optacon integrated circuit development

Optacon electronics, optics, and packaging

Optacon training

From commercialization to discontinuance

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Optacon

Nodes70
Edges69
Triples150
Avg. degree1.97
Density0.028571
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Optacon

Top relations

related to history · 31
Optacon → And, Candy, Chairman, Dr, Electrical Engineering, Electrical Engineering Department, Germany, Guys, He, I've, IBM, If, In, John Linvill, Linvill, Linvill's, PhD, She, So, SRI International
related to From commercialization to discontinuance · 30
Optacon → Approximately, As, Berufsbildungswerk, California, Department, Departments, Dunstan's, Education, England, France, Germany, Heidelberg, Italy, Japan, London, Melen, Office, Optacon II, Optacons, Pew
related to Optacon electronics, optics, and packaging · 22
Optacon → Again, As, Baer, Brugler, California, Computer History Museum, Gill, IR-100 Award, It, James Baer, John Gill, Model S-15, Mountain View, September, SRI, Stanford, Telesensory Optacon, The, This, Volt
related to External links · 21
Optacon → AccessWorld, Blindoptacon-l, Braille Monitor, Education, Final Report, Freedom Scientific, From Optacon, Future, Hasn't Been Built Yet, John, July, Linvill, March, National Federation, Oblivion, Office, Past, Present, The Optacon, The Reading Machine That
related to Optacon integrated circuit development · 13
Optacon → An, Basic, Brugler, In, Melen, Not, Optacon-like, Ph, Plummer, Salsbury, SRI, Stanford, The
related to Development of the Optacon · 10
Optacon → Alonzo, At SRI, At Stanford, Bliss, Hill, Linvill's, SRI, Stanford, The, With
related to Optacon training · 10
Optacon → Braille, Carolyn Weil, In, Of, Optacons, Palo Alto, Several, Some, The, With
related to Description · 5
Optacon → As, Rods, See Fig, The, The Optacon

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

reading blind tactile could bliss linvill array would stanford computer research people developed camera text device development used sri read

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Meleninstance ofprivate U.S. foundations0.80text
Pewinstance ofprivate U.S. foundations0.80text
state Departments of Rehabilitationinstance ofprivate U.S. foundations0.80text
and various programs in many countries around the world such as Japaninstance ofprivate U.S. foundations0.80text
Italyinstance ofprivate U.S. foundations0.80text
Germanyinstance ofprivate U.S. foundations0.80text
Franceinstance ofprivate U.S. foundations0.80text
and Scandinaviainstance ofprivate U.S. foundations0.80text
Optaconrelated to DescriptionThe Optacon0.60section
Optaconrelated to DescriptionSee Fig0.60section
Optaconrelated to DescriptionThe0.60section
Optaconrelated to DescriptionRods0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.