General Information

Serial #

3968

Part Number

1

Total Parts

5

AKA

N/A

Patents

N/A

General Description

.1 ALUMINUM CASING; METAL PARTS; PHENOLIC CIRCUIT BOARD; COPPER; SYNTHETIC FRONT PANEL & CONTROLS/.2 METAL CASING, SYNTHETIC LAMPS, CONTROLS PARTS/.3-.5 SYNTHETIC

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

16.9 cm

Width

16.0 cm

Height

4.1 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Sound

Sub-Category

N/A

Manufacturer

AKA

Électrotechnique

Country

Canada

State/Province

Québec

City

Ste-Foy

Context

Country

Canada

State/Province

Quebec

Period

C. 1974-1984

Canada

THIS DEVICE WAS DEVELOPED IN 1970S BY M. PHILIPPE TROLLIET, WHO WAS ELECTRONIC TECHNICIAN AT NFB; HE WAS AWARDED CDN. & U.S. PATENTS. FOUR WERE USED AT NFB, 3 OF 4 WERE IN USE FOR SEVERAL YEARS, 2 IN MIXING STUDIO & 1 IN MUSIC STUDIO.

Function

DEVICE USED TO MEASURE PEAK LEVEL OF AUDIO SIGNAL, ESPECIALLY DURING OPTICAL TRANSFER OF AUDIO DATA FROM TAPE ONTO FILM IN PRODUCTION OF FILM, IN WHICH 3 AUDIO CHANNELS WOULD BE PRINTED AS ONE SOUNDTRACK.

Technical

M. TROLLIET DESIGNED & PATENTED THIS DEVICE IN ORDER TO FIND BETTER METHOD OF MEASURING & VISUALIZING SOUND LEVELS, DURING ALL STAGES OF ELECTRONIC & MECHANICAL TRANSMISSION & STORAGE OF SOUND. OPTICAL FILM IS SENSITIVE TO AUDIO PEAKS WHICH HAPPEN TOO QUICKLY TO BE SEEN BY INDICATOR; THIS DEVICE KEEPS LEVELS IN MEMORY.

Area Notes

Unknown

Details

Markings

.1 LABELS READING "SER. NO./ 3968/ centre electro/ technique/ NFB A32520", "REPAIRED BY/ INITIALS J.N./ DATE 3/10/84"; OFF-WHITE LETTERING ON FRONT READING "CRETE", "MOYENNE", "RELACHE"/.2/ WHITE LETTERING FOR CONTROL FUNCTIONS/.3-.4 WHITE OR OFF-WHITE LETTERING ON FRONT READING "CRETE", "MOYENNE", "RELACHE"/.5 WHITE NUMBERS -10 TO 0 TO 12

Missing

DISPLAY UNIT

Finish

.1 UNFINISHED METAL; BLACK SYNTHETIC/.2 BLACK PAINTED TEXTURED CASING WITH TEXTURED GREEN PAINTED SIDES; METALLIC PARTS; BLACK, GREY, GREEN, YELLOW, RED & BLUE SYNTHETIC PARTS/.3-.5 BLACK

Decoration

.1 PURPLE LOGO ON CENTRE ELECTRO TECHNIQUE LABEL/.3 SAME LOGO IN WHITE