Home
New Stuff
Author
Links
Guest book
Web-log
Adverts
Bric-a-brac
Calculators

Components

Ephemera
Events
For Sale
Glossary
History
Hit or Miss
Radios
Transport
Ultra
Vales
Wanted
Metal Puzzles
Articles
Clocks
 

 

Displays for Calculators: E6523

 
Toshiba? E6523 Nine digit VFD
ID: E6523 Used in: Toshiba BC-0808B
Type: Vacuum Fluorescent Display (VFD), nine digit
Maker: Toshiba?
Typical date range: 1973-4
Package: Round glass body, connectors each end
Date coding system: unknown
Notes:

The E6523 is a multi-digit display tube. with lead wires at both ends of the glass tube.  As clearly seen from the drawing. the spacing between pins (1) and (12) is wider than that of the other pins.

S: Segment
G: Grid
F: Filament
IC: Internal contact
NC: No Contact

The third image shows the segment definitions

The example here shows of one application.

A scanning system is employed to present data in a multiplexed fashion.  Digital pulses are applied serially to the grids of the display tube.  In addition the contents of the display digit are applied to the segments of the display tube.  The square wave voltage is supplied to the filament.