A drawn schematic for a digitally controlled waveform generator

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A schematic drawing of the apparatus - Figure 1. from Daphne's patent (no. 3478792) for a digitally controlled waveform generator.
The apparatus generates an audio tone of variable frequency and waveform.

The full patent is available online here : http://www.freepatentsonline.com/3478792.pdf

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Archive Record|Table of contents

Daphne Oram ArchiveORAM

Computer CodeORAM/2

BBCORAM/3

Lectures, recorded music performances, work with schoolsORAM/4

Computer & Electronic Music AssociationsORAM/5

Published writing and drafts, performance programmes, press cuttings.ORAM/6

PhotographsORAM/7

Personal ImagesORAM/7/1

Tower Folly General ImagesORAM/7/2

BBC RadiophonicsORAM/7/3

Tower Folly Studio ImagesORAM/7/4

PresentationsORAM/7/5

Lecture transparenciesORAM/7/6

Drawn image of a sine wave.ORAM/7/6/1

Copy of Patent for Thaddeus Cahill's 1904 "Improvements in the Art of and Apparatus for Generating and Distributing MusicORAM/7/6/2

Drawn image of a square wave.ORAM/7/6/3

Scan of the first page of the score for Karlheinz Stockhausen's 'Studie II'ORAM/7/6/4

Copy of a diagram from the patent for Thaddeus Cahill's 1904 "Improvements in the Art of and Apparatus for Generating and Distributing Music"ORAM/7/6/5

Copy of a diagram from the patent for Thaddeus Cahill's 1904 "Improvements in the Art of and Apparatus for Generating and Distributing Music"ORAM/7/6/6

Advert for the EMS VCS3 SynthesiserORAM/7/6/7

Graph of changes in pitch (Y axis) by changes in ? (X axis) for five different frequencies of sine toneORAM/7/6/8

Data sheet from OramicsORAM/7/6/9

Graph depicting data from the Oramics system.ORAM/7/6/10

Photograph of an Electronic Music StudioORAM/7/6/11

Drawn image of a capacitor attached to a batteryORAM/7/6/12

Drawn image of a capacitor attached to a wire with resistance, monitored by a meter in the circuitORAM/7/6/13

Graph showing capacitor discharge through a fixed resistor (Energy - Y axis, Time - X axis)ORAM/7/6/14

Graph showing capacitor discharge through a variable resistor (Energy - Y axis, Time - X axis)ORAM/7/6/15

Graph showing capacitor discharge through a variable resistor (Energy - Y axis, Time - X axis)ORAM/7/6/16

Drawn image of 'Elec' shapeORAM/7/6/17

Drawn image of 'Cele' shapeORAM/7/6/18

Drawn image of circuit showing battery, capacitor and resistorORAM/7/6/19

Drawn image of two circuitsORAM/7/6/20

Photograph of the Oramics MachineORAM/7/6/21

Photograph of circuitry from the Oramics MachineORAM/7/6/22

Photograph of the Oramics MachineORAM/7/6/23

Photograph of the Oramics MachineORAM/7/6/24

Photograph of the Oramics MachineORAM/7/6/25

Photograph of school children from Adwick High School with electronic instrumentsORAM/7/6/26

Photograph of Tower Folly exteriorORAM/7/6/27

Photograph of Tower Folly exteriorORAM/7/6/28

Photograph of Daphne Oram's StudioORAM/7/6/29

Photograph of Oramics Machine in Daphne's studioORAM/7/6/30

Photograph of the Oramics MachineORAM/7/6/31

Photograph of the Oramics MachineORAM/7/6/32

Photograph of the Oramics MachineORAM/7/6/33

Photograph of the Oramics MachineORAM/7/6/34

Notation of Pitch of Oramics - a reference book of NeumesORAM/7/6/35

Timbre waveshapes drawn on a transparent slideORAM/7/6/36

Timbre waveshapes drawn on a transparent slideORAM/7/6/37

Timbre waveshape drawn on a transparent slideORAM/7/6/38

The pitch control circuits of Oramics Used as an illustration on page 107 of 'An Individual Note' (1)ORAM/7/6/39

A drawn schematic for a digitally controlled waveform generatorORAM/7/6/40

A drawn schematic of the apparatus for digitally controlling the frequency of a toneORAM/7/6/41

A schematic drawing of a volume-control arrangement and scanner selectorORAM/7/6/42

A schematic drawing, part of Thaddeus Cahill's Telharmonium patentORAM/7/6/43

A schematic drawing, part of Thaddeus Cahill's Telharmonium patentORAM/7/6/44

A copy of the specification for Thaddeus Cahill's 'Art of and Apparatus for Generating and Distributing Music Electrically' 1897 patentORAM/7/6/45

An advert for a 1967 Moog Modular SystemORAM/7/6/46

A lecture slide denoting the various derivations of 'Cele'ORAM/7/6/47

Waveshape drawn on a transparent slideORAM/7/6/48

Waveshape drawn on a transparent slideORAM/7/6/49

Waveshape drawn on a transparent slideORAM/7/6/50

Slide for lectureORAM/7/6/51

Slide for lectureORAM/7/6/52

Drawn image of circuit showing battery, capacitor and resistorORAM/7/6/53

Slide for lectureORAM/7/6/54

Nucleas sculptureORAM/7/7

Trinidad and Tobago Recording TripORAM/7/8

OramicsORAM/7/9

PRS LuncheonORAM/7/10

Karlheinz Stockhausen: Studie IIORAM/7/11

Scores, scripts and workingsORAM/8

Personal effects, diaries and correspondenceORAM/9

BooksORAM/10

Sound recordingsORAM/11

Published sound and film recordings of Daphne OramORAM/12

Research and writings related to Daphne Oram.ORAM/13