AT317571B - Drawing aid device - Google Patents

Drawing aid device

Info

Publication number
AT317571B
AT317571B AT500372A AT500372A AT317571B AT 317571 B AT317571 B AT 317571B AT 500372 A AT500372 A AT 500372A AT 500372 A AT500372 A AT 500372A AT 317571 B AT317571 B AT 317571B
Authority
AT
Austria
Prior art keywords
aid device
drawing aid
aid
Prior art date
Application number
AT500372A
Other languages
German (de)
Inventor
Eichmueller Karl
Original Assignee
Adolf Vetterli
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 Adolf Vetterli filed Critical Adolf Vetterli
Application granted granted Critical
Publication of AT317571B publication Critical patent/AT317571B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/14—Devices for drawing in perspective
    • B43L13/16—Devices for drawing in perspective free-hand
    • B43L13/18—Devices for drawing in perspective free-hand having optical or projecting equipment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
AT500372A 1971-12-24 1972-06-09 Drawing aid device AT317571B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1889771A CH548872A (en) 1971-12-24 1971-12-24 DRAWING AUXILIARY DEVICE.

Publications (1)

Publication Number Publication Date
AT317571B true AT317571B (en) 1974-09-10

Family

ID=4435987

Family Applications (1)

Application Number Title Priority Date Filing Date
AT500372A AT317571B (en) 1971-12-24 1972-06-09 Drawing aid device

Country Status (5)

Country Link
JP (1) JPS4873231A (en)
AT (1) AT317571B (en)
CH (1) CH548872A (en)
DE (1) DE2227791A1 (en)
FR (1) FR2164555A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247790C2 (en) * 1981-12-25 1984-05-10 Canon K.K., Tokio/Tokyo Process for the pictorial representation of a solid
FR2754071A1 (en) * 1996-09-30 1998-04-03 Dardenne Philippe Robert Jean Photography booth for image of static article or person
FR2817798B1 (en) 2000-12-12 2003-09-05 Heller Sa DRAWING ASSISTANCE DEVICE

Also Published As

Publication number Publication date
CH548872A (en) 1974-05-15
FR2164555A1 (en) 1973-08-03
DE2227791A1 (en) 1973-07-05
JPS4873231A (en) 1973-10-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee