FR2312015A1 - Compas magnetique a lecture a distance - Google Patents

Compas magnetique a lecture a distance

Info

Publication number: FR2312015A1
Authority: FR; France
Prior art keywords: magnetic compass; reading magnetic; remote reading; remote; compass
Prior art date: 1975-05-22
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.): Granted

Application number

FR7615496A

Other languages

English (en)

Other versions

FR2312015B1 (fr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Laitram LLC

Original Assignee

Laitram LLC

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.)

1975-05-22

Filing date

1976-05-21

Publication date

1976-12-17

1976-05-21 Application filed by Laitram LLC filed Critical Laitram LLC

1976-12-17 Publication of FR2312015A1 publication Critical patent/FR2312015A1/fr

1982-10-29 Application granted granted Critical

1982-10-29 Publication of FR2312015B1 publication Critical patent/FR2312015B1/fr

Status Granted legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Arrangements For Transmission Of Measured Signals (AREA)
Optical Communication System (AREA)

FR7615496A 1975-05-22 1976-05-21 Compas magnetique a lecture a distance Granted FR2312015A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/579,973 US4047168A (en)	1975-05-22	1975-05-22	Digital compass and gimbal assembly for two conductor connection

Publications (2)

Publication Number	Publication Date
FR2312015A1 true FR2312015A1 (fr)	1976-12-17
FR2312015B1 FR2312015B1 (fr)	1982-10-29

Family

ID=24319118

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7615496A Granted FR2312015A1 (fr)	1975-05-22	1976-05-21	Compas magnetique a lecture a distance

Country Status (7)

Country	Link
US (1)	US4047168A (fr)
JP (2)	JPS51144259A (fr)
CA (1)	CA1083339A (fr)
DE (1)	DE2622395C2 (fr)
FR (1)	FR2312015A1 (fr)
GB (1)	GB1553110A (fr)
NL (1)	NL183675C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0110229A2 (fr) *	1982-11-24	1984-06-13	The Laitram Corporation	Compas pour lecture à distance pouvant tourner de 360 degrés autour d'un axe de roulis

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4408291A (en) *	1979-06-15	1983-10-04	M. Wile & Company, Inc.	Point-of-manufacture data acquisition system
US4521875A (en) *	1981-12-21	1985-06-04	Hughes Aircraft Company	Orientation detection system for thin-line towed sonar arrays
US4588992A (en) *	1982-11-01	1986-05-13	Clark William E	Radar tracking system and display
US4503621A (en) *	1982-12-08	1985-03-12	The Laitram Corporation	Solid state compass
US4611171A (en) *	1983-06-07	1986-09-09	Syntron, Inc.	Location indicator for a marine seismic cable comprising operator controlled saturable core magnetometers
GB2159356B (en) *	1984-03-26	1987-06-03	Aeronautical General Instr	A magnetic compass adapted to provide a digital read-out
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
JPS63177706A (ja) *	1987-01-16	1988-07-21	三菱農機株式会社	農用トラクタにおける検知装置
US4937945A (en) *	1987-11-04	1990-07-03	Donnelly Corporation	Magnetic compass with optical encoder
US4862594A (en) *	1987-11-04	1989-09-05	Donnelly Corporation	Magnetic compass system for a vehicle
US4843865A (en) *	1988-02-29	1989-07-04	Digicourse, Inc.	Method of calibrating a compass heading
US5010653A (en) *	1988-02-29	1991-04-30	Digicourse, Inc.	Apparatus and method for determining azimuth, pitch and roll
US5192888A (en) *	1990-06-26	1993-03-09	General Electric Company	Motor terminal box
DE4205140C1 (fr) *	1992-02-20	1993-05-27	Braas Gmbh, 6370 Oberursel, De
US5448835A (en) *	1994-08-30	1995-09-12	Lewis; W. Stan	Compass device
US5469630A (en) *	1994-08-30	1995-11-28	Lewis; W. Stan	Gimballed compass device
US5670780A (en) *	1995-04-14	1997-09-23	Lewis; W. Stan	Device providing real-time orientation and direction of an object
US5790049A (en) *	1996-02-20	1998-08-04	Raytheon Company	Two axis gimbal suspension with wireless signal and power transfer
US5752322A (en) *	1996-06-26	1998-05-19	Lewis; W. Stan	Gimballed ouroboros compass device with digital logic
US5755036A (en) *	1996-07-25	1998-05-26	Lewis; W. Stan	Compass device with light attenuating mask
US7411512B2 (en) *	2006-03-07	2008-08-12	Michael L. Domeier	Tracking the geographic location of an animal

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2248889A (en) *	1937-07-13	1941-07-08	Askania Werke Ag	Voltage divider
US2662208A (en) *	1949-12-21	1953-12-08	Canadian Radium & Uranium Corp	Radioactive detector means in automatic steering systems
US3717858A (en) *	1970-08-12	1973-02-20	D Hadden	Two conductor telemetering system
FR2195786A1 (fr) *	1972-08-10	1974-03-08	Laitram Corp
FR2198123A1 (fr) *	1972-08-28	1974-03-29	Laitram Corp
US3973413A (en) *	1973-05-01	1976-08-10	George Humphrey Tichenor	Portable hand knitting device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US215403A (en) *		1879-05-13		Improvement in marinerss compasses
US2089914A (en) *	1935-07-10	1937-08-10	Freeman Wood	Control compass for automatic piloting of moving bodies
US2973413A (en) *	1959-11-13	1961-02-28	Arthur D Hill	Compass suspension for automatic pilot
US3234543A (en) *	1961-01-31	1966-02-08	Cleveland Electric Illuminatin	Carrier current transmitter unit for electrically powered devices
US3206863A (en) *	1961-12-18	1965-09-21	Swedlow Inc	Electrical pickoff system for magnetic compasses
US3237584A (en) *	1963-11-21	1966-03-01	Jr Howard W Keithley	Steering aid assembly
US3349406A (en) *	1965-06-23	1967-10-24	Geodyne Corp	Monitoring position-indicating recorder
SE318418B (fr) *	1965-09-17	1969-12-08	A Kjellstroem

1975
- 1975-05-22 US US05/579,973 patent/US4047168A/en not_active Expired - Lifetime
1976
- 1976-05-19 DE DE2622395A patent/DE2622395C2/de not_active Expired
- 1976-05-21 GB GB21138/76A patent/GB1553110A/en not_active Expired
- 1976-05-21 NL NLAANVRAGE7605475,A patent/NL183675C/xx not_active IP Right Cessation
- 1976-05-21 CA CA253,146A patent/CA1083339A/fr not_active Expired
- 1976-05-21 FR FR7615496A patent/FR2312015A1/fr active Granted
- 1976-05-22 JP JP51059564A patent/JPS51144259A/ja active Pending
1985
- 1985-05-31 JP JP1985082464U patent/JPS6115U/ja active Pending

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2248889A (en) *	1937-07-13	1941-07-08	Askania Werke Ag	Voltage divider
US2662208A (en) *	1949-12-21	1953-12-08	Canadian Radium & Uranium Corp	Radioactive detector means in automatic steering systems
US3717858A (en) *	1970-08-12	1973-02-20	D Hadden	Two conductor telemetering system
FR2195786A1 (fr) *	1972-08-10	1974-03-08	Laitram Corp
US3888016A (en) *	1972-08-10	1975-06-10	Little Inc A	Digital compass
FR2198123A1 (fr) *	1972-08-28	1974-03-29	Laitram Corp
US3833901A (en) *	1972-08-28	1974-09-03	Little Inc A	Magnetic compass having remote digital readout
US3973413A (en) *	1973-05-01	1976-08-10	George Humphrey Tichenor	Portable hand knitting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0110229A2 (fr) *	1982-11-24	1984-06-13	The Laitram Corporation	Compas pour lecture à distance pouvant tourner de 360 degrés autour d'un axe de roulis
EP0110229A3 (en) *	1982-11-24	1985-11-06	The Laitram Corporation	Remote reading compass with 360 degree roll capability

Also Published As

Publication number	Publication date
GB1553110A (en)	1979-09-19
NL183675B (nl)	1988-07-18
FR2312015B1 (fr)	1982-10-29
JPS6115U (ja)	1986-01-06
US4047168A (en)	1977-09-06
DE2622395A1 (de)	1976-12-02
NL7605475A (nl)	1976-11-24
CA1083339A (fr)	1980-08-12
NL183675C (nl)	1988-12-16
DE2622395C2 (de)	1985-11-21
JPS51144259A (en)	1976-12-11

Publication	Publication Date	Title
FR2312015A1 (fr)	1976-12-17	Compas magnetique a lecture a distance
BE804082A (fr)	1973-12-17	Compas magnetique a lecture numerique a distance
FR2337384A1 (fr)	1977-07-29	Codeur de cadrans de compteur pour la lecture a distance
ZA766661B (en)	1977-10-26	A pendulum slider
IT1116305B (it)	1986-02-10	Dispositivo rivelatore della posizione angolare di un magnete girevole particolarmente per bussole magnetiche
NL7709562A (nl)	1978-03-03	Magnetische wisinrichting.
MX144946A (es)	1981-12-04	Mejoras en compas magnetico
BE803454A (fr)	1973-12-03	Compas magnetique a indication numerique
IT1085003B (it)	1985-05-28	Magnete a settore
NL7803491A (nl)	1978-10-06	Magnetisch kompas.
FR2316579A1 (fr)	1977-01-28	Compas magnetique a lecture a distance
GB1554204A (en)	1979-10-17	Gyroscopic surveying compasses
IT1057815B (it)	1982-03-30	Memeoria a bolle magnetiche
AT360246B (de)	1980-12-29	Aufnahmebehaelter fuer eine magnetbandkasette
BE852970A (fr)	1977-07-18	Compas gyroscopique miniature
FR2282620A1 (fr)	1976-03-19	Compas gyromagnetique a sonde electromagnetique
FI782462A (fi)	1979-02-21	Magnetkompass
BE781683A (fr)	1972-07-31	Compas magnetique a releve numerique direct
SE7508624L (sv)	1976-04-12	Numerisk magnetkompass
FR2338727A1 (fr)	1977-08-19	Jeu a mobile magnetique
IT1060713B (it)	1982-08-20	Regolatore d i posizione
IT1067174B (it)	1985-03-12	Equipaggio di misura a bobina mobile con ampia deviazione dell indice
JPS531556A (en)	1978-01-09	Remote read out magnetic compass
FR2329974A1 (fr)	1977-05-27	Systeme a compas gyromagnetique
FR2289920A1 (fr)	1976-05-28	Magnetometre a oscillation magnetique

Legal Events

Date	Code	Title	Description
1996-04-05	ST	Notification of lapse
1996-04-19	ST	Notification of lapse