NL7311089A - - Google Patents
Info
- Publication number
- NL7311089A NL7311089A NL7311089A NL7311089A NL7311089A NL 7311089 A NL7311089 A NL 7311089A NL 7311089 A NL7311089 A NL 7311089A NL 7311089 A NL7311089 A NL 7311089A NL 7311089 A NL7311089 A NL 7311089A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Medicines Containing Plant Substances (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US279723A US3888016A (en) | 1972-08-10 | 1972-08-10 | Digital compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7311089A true NL7311089A (https=) | 1974-02-12 |
Family
ID=23070163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7311089A NL7311089A (https=) | 1972-08-10 | 1973-08-10 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3888016A (https=) |
| JP (1) | JPS4987358A (https=) |
| AU (1) | AU476570B2 (https=) |
| BE (1) | BE803454A (https=) |
| CA (1) | CA996344A (https=) |
| CH (1) | CH579768A5 (https=) |
| DE (1) | DE2339948A1 (https=) |
| FR (1) | FR2195786B1 (https=) |
| GB (1) | GB1409639A (https=) |
| NL (1) | NL7311089A (https=) |
| NO (1) | NO136944C (https=) |
| SE (1) | SE390450B (https=) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4047168A (en) * | 1975-05-22 | 1977-09-06 | The Laitram Corporation | Digital compass and gimbal assembly for two conductor connection |
| US4027398A (en) * | 1975-06-17 | 1977-06-07 | The Laitram Corporation | Single pivot remote reading compass |
| US4139951A (en) * | 1977-03-23 | 1979-02-20 | Cunard Thomas L | Remote indicating compass |
| US4117602A (en) * | 1977-04-04 | 1978-10-03 | The Laitram Corporation | Electromagnetic compass |
| US4130942A (en) * | 1977-05-26 | 1978-12-26 | The Laitram Corporation | Borehole surveying apparatus |
| JPS5811808A (ja) * | 1981-07-16 | 1983-01-22 | Niles Parts Co Ltd | 方位検出表示回路 |
| US4425716A (en) | 1981-08-13 | 1984-01-17 | The Laitram Corporation | Floating non-gimballed compass |
| US4521875A (en) * | 1981-12-21 | 1985-06-04 | Hughes Aircraft Company | Orientation detection system for thin-line towed sonar arrays |
| US4611171A (en) * | 1983-06-07 | 1986-09-09 | Syntron, Inc. | Location indicator for a marine seismic cable comprising operator controlled saturable core magnetometers |
| US4577414A (en) * | 1985-04-30 | 1986-03-25 | The United States Of America As Represented By The United States Department Of Energy | Remotely readable fiber optic compass |
| FR2591738B1 (fr) * | 1985-12-18 | 1990-02-02 | Plastimo | Compas magnetique comportant un equipage mobile et des moyens d'amortissement et de detection de la rotation de celui-ci |
| US5010653A (en) * | 1988-02-29 | 1991-04-30 | Digicourse, Inc. | Apparatus and method for determining azimuth, pitch and roll |
| US4843865A (en) * | 1988-02-29 | 1989-07-04 | Digicourse, Inc. | Method of calibrating a compass heading |
| US5526022A (en) * | 1993-01-06 | 1996-06-11 | Virtual I/O, Inc. | Sourceless orientation sensor |
| US5991085A (en) * | 1995-04-21 | 1999-11-23 | I-O Display Systems Llc | Head-mounted personal visual display apparatus with image generator and holder |
| US6826843B2 (en) * | 2002-11-25 | 2004-12-07 | Radioshack, Corp. | Electronic compass apparatus and method |
| ES2339312B1 (es) * | 2007-08-09 | 2011-03-11 | Universidad Del Pais Vasco - Euskal Herriko Unibertsitatea | Equipo de compas magnetico integral para obtencion de desvios en tiempo real. |
| US9234753B2 (en) | 2013-06-18 | 2016-01-12 | Frank Sanns, Jr. | Fluid or low friction permanent magnet compass |
| CN106448103A (zh) * | 2016-09-27 | 2017-02-22 | 深圳市盛矽电子科技有限公司 | 转盘式电子设备控制器以及遥控玩具的操控设备 |
| CN110530403B (zh) * | 2019-09-30 | 2021-03-16 | 梁朝旭 | 一种球罐内上顶面检测支撑平台 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2026919A (en) * | 1933-03-29 | 1936-01-07 | Stright James Leslie | Compass |
| US2370000A (en) * | 1941-11-27 | 1945-02-20 | Best Frank Ellison | Master compass and inertia means |
| US3349406A (en) * | 1965-06-23 | 1967-10-24 | Geodyne Corp | Monitoring position-indicating recorder |
| US3480788A (en) * | 1966-04-07 | 1969-11-25 | John Dante Barbieri | Resolving compass utilizing photo-potentiometers |
| US3567327A (en) * | 1967-11-02 | 1971-03-02 | Us Navy | Magnetic compass direction indicating system |
| US3699658A (en) * | 1970-10-30 | 1972-10-24 | Electro Marine Corp | Binnacle |
| GB1321212A (en) * | 1971-04-28 | 1973-06-27 | Laitram Corp | Magnetic compass |
-
1972
- 1972-08-10 US US279723A patent/US3888016A/en not_active Expired - Lifetime
-
1973
- 1973-08-02 AU AU58814/73A patent/AU476570B2/en not_active Expired
- 1973-08-07 DE DE19732339948 patent/DE2339948A1/de not_active Withdrawn
- 1973-08-07 CH CH1141273A patent/CH579768A5/xx not_active IP Right Cessation
- 1973-08-08 FR FR7329059A patent/FR2195786B1/fr not_active Expired
- 1973-08-08 NO NO3154/73A patent/NO136944C/no unknown
- 1973-08-09 JP JP48089605A patent/JPS4987358A/ja active Pending
- 1973-08-09 CA CA178,457A patent/CA996344A/en not_active Expired
- 1973-08-09 GB GB3771673A patent/GB1409639A/en not_active Expired
- 1973-08-09 SE SE7310909A patent/SE390450B/xx unknown
- 1973-08-10 BE BE134438A patent/BE803454A/xx unknown
- 1973-08-10 NL NL7311089A patent/NL7311089A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE803454A (fr) | 1973-12-03 |
| FR2195786A1 (https=) | 1974-03-08 |
| CA996344A (en) | 1976-09-07 |
| SE390450B (sv) | 1976-12-20 |
| AU5881473A (en) | 1975-02-06 |
| GB1409639A (en) | 1975-10-08 |
| NO136944C (no) | 1977-11-30 |
| US3888016A (en) | 1975-06-10 |
| NO136944B (no) | 1977-08-22 |
| AU476570B2 (en) | 1976-09-30 |
| FR2195786B1 (https=) | 1979-10-19 |
| JPS4987358A (https=) | 1974-08-21 |
| DE2339948A1 (de) | 1974-02-28 |
| CH579768A5 (https=) | 1976-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BV | The patent application has lapsed |