FI860317A0 - ELECTRONIC COMPASS. - Google Patents
ELECTRONIC COMPASS.Info
- Publication number
- FI860317A0 FI860317A0 FI860317A FI860317A FI860317A0 FI 860317 A0 FI860317 A0 FI 860317A0 FI 860317 A FI860317 A FI 860317A FI 860317 A FI860317 A FI 860317A FI 860317 A0 FI860317 A0 FI 860317A0
- Authority
- FI
- Finland
- Prior art keywords
- electronic compass
- compass
- electronic
- Prior art date
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
- G01C17/28—Electromagnetic compasses
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
- A47L9/281—Parameters or conditions being sensed the amount or condition of incoming dirt or dust
- A47L9/2815—Parameters or conditions being sensed the amount or condition of incoming dirt or dust using optical detectors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Measuring Magnetic Variables (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH250484 | 1984-05-22 | ||
CH250484 | 1984-05-22 | ||
PCT/CH1985/000086 WO1985005444A1 (en) | 1984-05-22 | 1985-05-22 | Electronic compass |
CH8500086 | 1985-05-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI860317A FI860317A (en) | 1986-01-22 |
FI860317A0 true FI860317A0 (en) | 1986-01-22 |
FI88205B FI88205B (en) | 1992-12-31 |
Family
ID=4235286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI860317A FI88205B (en) | 1984-05-22 | 1986-01-22 | Procedure for determination of angular position |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0183735A1 (en) |
JP (1) | JPS61502211A (en) |
AU (2) | AU4353085A (en) |
DK (1) | DK29986A (en) |
FI (1) | FI88205B (en) |
NO (1) | NO860212L (en) |
WO (1) | WO1985005444A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3082530A (en) * | 1960-04-28 | 1963-03-26 | Hopf Paul | Drilling and like tools |
CH672195A5 (en) * | 1986-09-18 | 1989-10-31 | Wild Heerbrugg Ag | |
GB8704560D0 (en) * | 1987-02-26 | 1987-04-01 | Nautech Ltd | Hand bearing compass |
JP2935047B2 (en) * | 1990-03-13 | 1999-08-16 | カシオ計算機株式会社 | Electronic compass |
US5216816A (en) * | 1990-03-20 | 1993-06-08 | Casio Computer Co., Ltd. | Compass |
US5269065A (en) * | 1990-03-20 | 1993-12-14 | Casio Computer Co., Ltd. | Compass including means for displaying constellation data |
CH682109A5 (en) * | 1990-07-13 | 1993-07-15 | Recta Sa | |
EP0503214A1 (en) * | 1991-03-11 | 1992-09-16 | CONTRAVES ITALIANA S.p.A. | Orientation device |
US5191792A (en) * | 1991-07-01 | 1993-03-09 | Recta Ag | Instrument for indicating altitude or direction |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1065454A (en) * | 1976-06-01 | 1979-10-30 | Lorne A. Kuehn | Spatial orientation device |
IT1073691B (en) * | 1976-08-26 | 1985-04-17 | Importazioni Esportazioni Rapp | IMPROVEMENT IN STATIC COMPASSES |
JPS5599016A (en) * | 1979-01-24 | 1980-07-28 | Nippon Telegr & Teleph Corp <Ntt> | Measuring apparatus for position coordinates |
JPS55101010A (en) * | 1979-01-26 | 1980-08-01 | Nippon Telegr & Teleph Corp <Ntt> | Photoelectric type position detecting system |
CA1127304A (en) * | 1979-01-24 | 1982-07-06 | Sachinobu Shimizu | Apparatus for determining positional coordinates utilizing the terrestrial magnetism as a directional reference |
US4255866A (en) * | 1979-10-30 | 1981-03-17 | The United States Of America As Represented By The Secretary Of The Navy | Nonmagnetic compass |
JPS5824810A (en) * | 1981-08-05 | 1983-02-14 | Nippon Soken Inc | Bearing detecting device |
FR2515838A1 (en) * | 1981-10-30 | 1983-05-06 | Omega Brandt & Freres Sa Louis | CLOCKWARE HAVING AN ORIENTATION DEVICE |
JPS58135412A (en) * | 1982-02-04 | 1983-08-12 | Nippon Denso Co Ltd | Direction arithmetic device |
US4546551A (en) * | 1983-03-24 | 1985-10-15 | Prince Corporation | Electrical control system |
-
1985
- 1985-05-22 JP JP60502232A patent/JPS61502211A/en active Pending
- 1985-05-22 AU AU43530/85A patent/AU4353085A/en not_active Abandoned
- 1985-05-22 EP EP85902429A patent/EP0183735A1/en not_active Ceased
- 1985-05-22 WO PCT/CH1985/000086 patent/WO1985005444A1/en not_active Application Discontinuation
-
1986
- 1986-01-21 DK DK29986A patent/DK29986A/en not_active Application Discontinuation
- 1986-01-22 NO NO860212A patent/NO860212L/en unknown
- 1986-01-22 FI FI860317A patent/FI88205B/en not_active Application Discontinuation
-
1991
- 1991-01-09 AU AU69244/91A patent/AU6924491A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FI860317A (en) | 1986-01-22 |
DK29986D0 (en) | 1986-01-21 |
AU4353085A (en) | 1985-12-13 |
FI88205B (en) | 1992-12-31 |
DK29986A (en) | 1986-01-21 |
WO1985005444A1 (en) | 1985-12-05 |
NO860212L (en) | 1986-01-22 |
JPS61502211A (en) | 1986-10-02 |
EP0183735A1 (en) | 1986-06-11 |
AU6924491A (en) | 1991-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC | Application refused |
Owner name: K. TSCHANNEN-ELEKTRONIK AG |