EP0114515A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method and apparatus for colour recognition
Assignee: Development Finance Corp of New Zealand
•
Filing: 1983-12-22
•
Granted: —
•
Expires: 2003-12-22
Abstract
Abstract Apparatus for recognising colour is provided which comprises receiving means preferably in the form of an optical probe (1) to receive the visual image of a colour, analyse the image into its primary colour constituents and give electrical outputs representing the type and quantum of each primary colour. The apparatus further includes processing means (2) to convert electrical outputs into codes, and comparing the information with data in memory to determine the colour of the image. The apparatus preferably includes a vocalised output.
Inventors
- 👤 Dinh Thong Nguyen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 04:28
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/524
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
56 words
Apparatus for recognising colour, said apparatus comprising receiving means to receive a visual image of a colour, analysing means to analyse said image into its primary colour constituents, said analysing means giving electrical outputs representing the type and quantum of each primary colour; and processing means to convert said electrical outputs into codes representing said colour.
Claim 2
Dependent Claim
56 words
Apparatus for recognising colour, said apparatus comprising receiving means to receive a visual image of a colour, analysing means to analyse said image into its primary colour constituents, said analysing means giving electrical outputs representing the type and quantum of each primary colour; and processing means to convert said electrical outputs into codes representing said colour.
Claim 3
Dependent Claim
22 words
Apparatus as claimed in claim 1 further including output means to receive said codes and give a vocalized output of said colour.
Claim 4
Dependent Claim
39 words
Apparatus as claimed in claim 1 or claim 2 wherein said analysing means includes means to illuminate the object whose colour is to be sensed with white light and means to measure the spectral distribution of the reflected light.
Claim 5
Dependent Claim
27 words
Apparatus as claimed in claim 3 wherein said spectral distribution is measured using a colour photo sensing unit having elements responsive to each of the primary colours.
Claim 6
Dependent Claim
21 words
Apparatus as claimed in claim 4 wherein the outputs from said photo colour sensing unit are amplified, filtered and finally digitized.
Claim 7
Dependent Claim
29 words
6 . Apparatus as claimed in claim 5 including a microprocessor to process the digitized voltages into a series of codes indicating colours and acceptable to the end receiver.
Claim 8
Dependent Claim
43 words
Apparatus as claimed in claim 6 wherein each colour is ascribed a three-dimensional vector co-ordinate in memory, said microprocessor being operable to compare the digitized outputs from said colour photo sensing unit with the vector co-ordinate in memory to thereby determine the colour.
Claim 9
Dependent Claim
19 words
Apparatus for recognising colour when constructed arranged and operable substantially as herein described with reference to the accompanying drawings.
Claim 10
Dependent Claim
19 words
Apparatus for recognising colour when constructed arranged and operable substantially as herein described with reference to the accompanying drawings.
Claim 11
Independent Claim
54 words
A method of recognising colour, said method comprising the steps of receiving a visual image of a colour; analysing said image into its primary colour constituents and providing a plurality of electrical signals representing the type and quantum of each of said primary colours; and processing said electrical signals into codes representing said colour.
Claim 12
Independent Claim
54 words
A method of recognising colour, said method comprising the steps of receiving a visual image of a colour; analysing said image into its primary colour constituents and providing a plurality of electrical signals representing the type and quantum of each of said primary colours; and processing said electrical signals into codes representing said colour.
Claim 13
Dependent Claim
23 words
A method as claimed in claim 9 comprising the operative use of the apparatus claimed in any one of claims 1 to 9.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.