IT1215150B - Nitric acid prodn. - Google Patents

Nitric acid prodn.

Info

Publication number
IT1215150B
IT1215150B IT8685553A IT8555386A IT1215150B IT 1215150 B IT1215150 B IT 1215150B IT 8685553 A IT8685553 A IT 8685553A IT 8555386 A IT8555386 A IT 8555386A IT 1215150 B IT1215150 B IT 1215150B
Authority
IT
Italy
Prior art keywords
controller
output transducer
teletext information
passed
input device
Prior art date
Application number
IT8685553A
Other languages
Italian (it)
Other versions
IT8685553A0 (en
Inventor
Mazzon Franco
Original Assignee
Mazzon Franco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mazzon Franco filed Critical Mazzon Franco
Priority to IT8685553A priority Critical patent/IT1215150B/en
Publication of IT8685553A0 publication Critical patent/IT8685553A0/en
Application granted granted Critical
Publication of IT1215150B publication Critical patent/IT1215150B/en

Links

Abstract

The system uses television signals received via aerial (A) and on receiving circuits (B). Teletext information is extracted from the received signals by the decoder circuitry (C) and passed to a controller (D). The purpose of the controller, which is microprocessor based, is to convert the teletext information into a format that can directly be used by an output transducer (E). An input device (F), which can be a keyboard or keypad, allows commands to be passed on to the controller (D). The visually handicapped person can "read" the teletext information from the output transducer (E) in accordance with commands from the input device (F). The output transducer (E) may comprise a speech synthesiser, a Braille printer, or a Braille pad. @(7pp Dwg.No.1/1)@
IT8685553A 1986-05-20 1986-05-20 Nitric acid prodn. IT1215150B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8685553A IT1215150B (en) 1986-05-20 1986-05-20 Nitric acid prodn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8685553A IT1215150B (en) 1986-05-20 1986-05-20 Nitric acid prodn.

Publications (2)

Publication Number Publication Date
IT8685553A0 IT8685553A0 (en) 1986-05-20
IT1215150B true IT1215150B (en) 1990-01-31

Family

ID=11327986

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8685553A IT1215150B (en) 1986-05-20 1986-05-20 Nitric acid prodn.

Country Status (1)

Country Link
IT (1) IT1215150B (en)

Also Published As

Publication number Publication date
IT8685553A0 (en) 1986-05-20

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Effective date: 19990526