GB8316462D0 - Compass - Google Patents
CompassInfo
- Publication number
- GB8316462D0 GB8316462D0 GB838316462A GB8316462A GB8316462D0 GB 8316462 D0 GB8316462 D0 GB 8316462D0 GB 838316462 A GB838316462 A GB 838316462A GB 8316462 A GB8316462 A GB 8316462A GB 8316462 D0 GB8316462 D0 GB 8316462D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- compass
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/245—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/20—Observing the compass card or needle
- G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ20101782 | 1982-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8316462D0 true GB8316462D0 (en) | 1983-07-20 |
GB2123232A GB2123232A (en) | 1984-01-25 |
Family
ID=19920012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08316462A Withdrawn GB2123232A (en) | 1982-06-21 | 1983-06-16 | Compass |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2123232A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2189663A (en) * | 1986-04-24 | 1987-10-28 | Seafarer Navigation Internatio | Direction indicators |
US5091021A (en) * | 1990-09-28 | 1992-02-25 | General Motors Corporation | Magnetically coded device and method of manufacture |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB969447A (en) * | 1962-03-23 | 1964-09-09 | Philips Electrical Ind Ltd | Improvements in arrangements for indicating the position of a rotary shaft |
GB998885A (en) * | 1962-11-01 | 1965-07-21 | Elliott Brothers London Ltd | Improvements in weighing apparatus |
US3618074A (en) * | 1968-01-18 | 1971-11-02 | Baldwin Co D H | Optical encoder |
US3833901A (en) * | 1972-08-28 | 1974-09-03 | Little Inc A | Magnetic compass having remote digital readout |
US4117602A (en) * | 1977-04-04 | 1978-10-03 | The Laitram Corporation | Electromagnetic compass |
GB2087674B (en) * | 1980-11-13 | 1985-01-09 | Freeman John William Herbert | Interceptor member for checking vehicle axle loading |
-
1983
- 1983-06-16 GB GB08316462A patent/GB2123232A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2123232A (en) | 1984-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |