JPS501769A - - Google Patents
Info
- Publication number
- JPS501769A JPS501769A JP48128105A JP12810573A JPS501769A JP S501769 A JPS501769 A JP S501769A JP 48128105 A JP48128105 A JP 48128105A JP 12810573 A JP12810573 A JP 12810573A JP S501769 A JPS501769 A JP S501769A
- Authority
- JP
- Japan
- 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.)
- Pending
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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Electric Clocks (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30882372A | 1972-11-22 | 1972-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS501769A true JPS501769A (ja) | 1975-01-09 |
Family
ID=23195541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48128105A Pending JPS501769A (ja) | 1972-11-22 | 1973-11-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3772503A (ja) |
| JP (1) | JPS501769A (ja) |
| CA (1) | CA980446A (ja) |
| DE (1) | DE2357879C3 (ja) |
| GB (1) | GB1409640A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105452686A (zh) * | 2014-04-11 | 2016-03-30 | 刘兴邦 | 双螺栓防松方法 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146970A (en) * | 1973-12-26 | 1979-04-03 | Edwards Robert A | Remote-indicating magnetic compass |
| US4023018A (en) * | 1975-07-15 | 1977-05-10 | Hall David J | Navigation system and method |
| US4038528A (en) * | 1975-11-10 | 1977-07-26 | The Laitram Corporation | Automatic piloting system |
| US4101882A (en) * | 1976-05-28 | 1978-07-18 | The Brunton Company | Data read-out system and apparatus useful for angular measurements |
| US4095348A (en) * | 1976-11-10 | 1978-06-20 | The Brunton Company | Digital compass |
| US4221328A (en) * | 1978-07-11 | 1980-09-09 | The Brunton Company | Data read-out system and apparatus useful for angular measurements |
| FR2518256B2 (fr) * | 1981-12-15 | 1988-05-27 | Wache Albert | Compas magnetique opto-electrique |
| US4611171A (en) * | 1983-06-07 | 1986-09-09 | Syntron, Inc. | Location indicator for a marine seismic cable comprising operator controlled saturable core magnetometers |
| US4777602A (en) * | 1986-06-26 | 1988-10-11 | Sperry Marine Inc. | Digital autopilot controller for marine vessels |
| 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 |
| US5105548A (en) * | 1988-02-29 | 1992-04-21 | Digicourse, Inc. | Apparatus and method for determining azimuth, pitch and roll |
| US5062061A (en) * | 1990-10-25 | 1991-10-29 | Conoco Inc. | Automatic direction control for omni-directional shear wave sources |
| DE4113841C2 (de) * | 1991-04-27 | 1997-01-09 | Deutsche Forsch Luft Raumfahrt | Einrichtung zur Messung einer translatorischen Wegänderung |
| US7195602B2 (en) * | 2003-06-28 | 2007-03-27 | Yong Peter A K | Dual-chamber liquid receiving and containing device |
| CA2460709A1 (en) * | 2003-10-10 | 2005-04-10 | Johnson Outdoors, Inc. | System and method for configuring a digital compass to aid in navigation |
| US10438648B2 (en) * | 2018-01-11 | 2019-10-08 | Micron Technology, Inc. | Apparatuses and methods for maintaining a duty cycle error counter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3289475A (en) * | 1963-08-14 | 1966-12-06 | Ralph W Kenyon | Blind flight without gyros, methods and instruments |
| US3337723A (en) * | 1963-08-29 | 1967-08-22 | Lee M Etnyre | Integrating data converter to provide continuous representation of aircraft position |
| US3596069A (en) * | 1969-02-13 | 1971-07-27 | Wayne E Burt | Computer-stabilized magnetic compass |
-
1972
- 1972-11-22 US US00308823A patent/US3772503A/en not_active Expired - Lifetime
-
1973
- 1973-11-14 JP JP48128105A patent/JPS501769A/ja active Pending
- 1973-11-19 GB GB5362073A patent/GB1409640A/en not_active Expired
- 1973-11-20 DE DE2357879A patent/DE2357879C3/de not_active Expired
- 1973-11-21 CA CA186,389A patent/CA980446A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105452686A (zh) * | 2014-04-11 | 2016-03-30 | 刘兴邦 | 双螺栓防松方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2357879B2 (de) | 1979-11-22 |
| CA980446A (en) | 1975-12-23 |
| US3772503A (en) | 1973-11-13 |
| DE2357879A1 (de) | 1974-06-12 |
| GB1409640A (en) | 1975-10-08 |
| DE2357879C3 (de) | 1980-08-07 |