NO131221C - - Google Patents
Info
- Publication number
- NO131221C NO131221C NO1731/71A NO173171A NO131221C NO 131221 C NO131221 C NO 131221C NO 1731/71 A NO1731/71 A NO 1731/71A NO 173171 A NO173171 A NO 173171A NO 131221 C NO131221 C NO 131221C
- Authority
- NO
- Norway
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2101/00—Indexing scheme relating to the type of digital function generated
- G06F2101/04—Trigonometric functions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Radar, Positioning & Navigation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gyroscopes (AREA)
- Analogue/Digital Conversion (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO1731/71A NO131221C (no) | 1971-05-07 | 1971-05-07 | |
DE19722221908 DE2221908A1 (de) | 1971-05-07 | 1972-05-04 | Einrichtung zur digitalen Anzeige von Analog-Signalen |
GB2083572A GB1388717A (en) | 1971-05-07 | 1972-05-04 | Analogue-to-digital conversion apparatus |
US00250517A US3787835A (en) | 1971-05-07 | 1972-05-05 | Converter for gyro-compass digital display |
ES402463A ES402463A1 (es) | 1971-05-07 | 1972-05-06 | Metodo de convertir senales de un indicador de posicion an-gular. |
NL7206223A NL7206223A (no) | 1971-05-07 | 1972-05-08 | |
FR7216324A FR2137607B1 (no) | 1971-05-07 | 1972-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO1731/71A NO131221C (no) | 1971-05-07 | 1971-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO131221B NO131221B (no) | 1975-01-13 |
NO131221C true NO131221C (no) | 1975-04-30 |
Family
ID=19878396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO1731/71A NO131221C (no) | 1971-05-07 | 1971-05-07 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3787835A (no) |
DE (1) | DE2221908A1 (no) |
ES (1) | ES402463A1 (no) |
FR (1) | FR2137607B1 (no) |
GB (1) | GB1388717A (no) |
NL (1) | NL7206223A (no) |
NO (1) | NO131221C (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4067007A (en) * | 1976-01-05 | 1978-01-03 | Raytheon Company | Adaptive compass drive system |
US4097922A (en) * | 1976-11-08 | 1978-06-27 | The United States Of America As Represented By The Secretary Of The Navy | Automatic real time navigation communicator |
US4428053A (en) | 1981-06-29 | 1984-01-24 | Raytheon Company | Adaptive compass and north stabilization drive system |
US4929943A (en) * | 1988-07-01 | 1990-05-29 | Sperry Marine, Inc. | Marine compass rate-of-turn indicator |
CN108709547B (zh) * | 2018-03-14 | 2023-06-27 | 中船航海科技有限责任公司 | 一种用于陀螺罗经的航向测量发送装置及其测量方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3028589A (en) * | 1959-04-06 | 1962-04-03 | Gen Dynamics Corp | Motion digitizer |
US3440644A (en) * | 1965-04-21 | 1969-04-22 | Gen Precision Systems Inc | Synchro-to-digital converter |
US3533097A (en) * | 1965-04-26 | 1970-10-06 | Whittaker Corp | Digital automatic synchro converter |
US3573801A (en) * | 1968-01-18 | 1971-04-06 | Bendix Corp | Synchro to digital converter |
-
1971
- 1971-05-07 NO NO1731/71A patent/NO131221C/no unknown
-
1972
- 1972-05-04 DE DE19722221908 patent/DE2221908A1/de active Pending
- 1972-05-04 GB GB2083572A patent/GB1388717A/en not_active Expired
- 1972-05-05 US US00250517A patent/US3787835A/en not_active Expired - Lifetime
- 1972-05-06 ES ES402463A patent/ES402463A1/es not_active Expired
- 1972-05-08 FR FR7216324A patent/FR2137607B1/fr not_active Expired
- 1972-05-08 NL NL7206223A patent/NL7206223A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3787835A (en) | 1974-01-22 |
NL7206223A (no) | 1972-11-09 |
FR2137607A1 (no) | 1972-12-29 |
NO131221B (no) | 1975-01-13 |
FR2137607B1 (no) | 1978-03-03 |
DE2221908A1 (de) | 1972-11-23 |
ES402463A1 (es) | 1975-04-01 |
GB1388717A (en) | 1975-03-26 |