FR2271707A1 - - Google Patents
Info
- Publication number
- FR2271707A1 FR2271707A1 FR7515571A FR7515571A FR2271707A1 FR 2271707 A1 FR2271707 A1 FR 2271707A1 FR 7515571 A FR7515571 A FR 7515571A FR 7515571 A FR7515571 A FR 7515571A FR 2271707 A1 FR2271707 A1 FR 2271707A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/62—Performing operations exclusively by counting total number of pulses ; Multiplication, division or derived operations using combined denominational and incremental processing by counters, i.e. without column shift
-
- 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
- G01C19/04—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
- H03K4/026—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Remote Sensing (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US469189A US3925654A (en) | 1974-05-13 | 1974-05-13 | Digital sine wave synthesizer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2271707A1 true FR2271707A1 (fr) | 1975-12-12 |
Family
ID=23862804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7515571A Withdrawn FR2271707A1 (fr) | 1974-05-13 | 1975-05-13 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3925654A (fr) |
JP (1) | JPS51138470A (fr) |
CA (1) | CA1031461A (fr) |
DE (1) | DE2520390A1 (fr) |
FR (1) | FR2271707A1 (fr) |
GB (1) | GB1508377A (fr) |
IT (1) | IT1038103B (fr) |
SE (1) | SE402847B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5840200B2 (ja) * | 1976-07-24 | 1983-09-03 | ヤマハ株式会社 | デジタル楽音合成方法 |
US4130876A (en) * | 1977-05-27 | 1978-12-19 | Nippon Gakki Seizo Kabushiki Kaisha | Method of and apparatus for composing approximate sinusoidal waveform |
US4178631A (en) * | 1978-02-13 | 1979-12-11 | Tractor, Inc. | Digital phase detector and method |
GB2177862B (en) * | 1985-07-09 | 1989-07-19 | Motorola Inc | Waveform generators |
CN103940445B (zh) * | 2014-04-10 | 2016-08-17 | 哈尔滨工程大学 | 一种单轴旋转惯导***惯性器件误差补偿方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1496141A (fr) * | 1966-06-03 | 1967-09-29 | Cit Alcatel | Générateur d'ondes modulées en fréquence |
US3636337A (en) * | 1969-10-29 | 1972-01-18 | Fmc Corp | Digital signal generator for generating a digitized sinusoidal wave |
US3654450A (en) * | 1970-04-03 | 1972-04-04 | Joseph A Webb | Digital signal generator synthesizer |
US3657657A (en) * | 1970-08-03 | 1972-04-18 | William T Jefferson | Digital sine wave generator |
-
1974
- 1974-05-13 US US469189A patent/US3925654A/en not_active Expired - Lifetime
-
1975
- 1975-04-17 CA CA224,839A patent/CA1031461A/fr not_active Expired
- 1975-05-07 DE DE19752520390 patent/DE2520390A1/de not_active Withdrawn
- 1975-05-07 SE SE7505341A patent/SE402847B/xx unknown
- 1975-05-12 GB GB19795/75A patent/GB1508377A/en not_active Expired
- 1975-05-13 JP JP50056677A patent/JPS51138470A/ja active Pending
- 1975-05-13 FR FR7515571A patent/FR2271707A1/fr not_active Withdrawn
- 1975-05-13 IT IT23245/75A patent/IT1038103B/it active
Also Published As
Publication number | Publication date |
---|---|
SE402847B (sv) | 1978-07-17 |
JPS51138470A (en) | 1976-11-30 |
SE7505341L (sv) | 1975-11-14 |
IT1038103B (it) | 1979-11-20 |
DE2520390A1 (de) | 1976-01-08 |
GB1508377A (en) | 1978-04-26 |
US3925654A (en) | 1975-12-09 |
CA1031461A (fr) | 1978-05-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |