NO761839L - - Google Patents
Info
- Publication number
- NO761839L NO761839L NO761839A NO761839A NO761839L NO 761839 L NO761839 L NO 761839L NO 761839 A NO761839 A NO 761839A NO 761839 A NO761839 A NO 761839A NO 761839 L NO761839 L NO 761839L
- Authority
- NO
- Norway
- Prior art keywords
- error signal
- input
- counter
- signals
- output
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 15
- 238000012937 correction Methods 0.000 description 8
- 230000003111 delayed effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/48—Servo-type converters
- H03M1/485—Servo-type converters for position encoding, e.g. using resolvers or synchros
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/581,996 US3995267A (en) | 1975-05-29 | 1975-05-29 | Digital to analog converter with system gain insensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO761839L true NO761839L (de) | 1976-11-30 |
Family
ID=24327418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761839A NO761839L (de) | 1975-05-29 | 1976-05-28 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3995267A (de) |
| JP (1) | JPS51147345A (de) |
| AU (1) | AU499774B2 (de) |
| BR (1) | BR7603373A (de) |
| CA (1) | CA1056478A (de) |
| CH (1) | CH626719A5 (de) |
| DE (1) | DE2620969C2 (de) |
| ES (1) | ES448348A1 (de) |
| FR (1) | FR2312885A1 (de) |
| GB (1) | GB1537693A (de) |
| IL (1) | IL49676A (de) |
| IT (1) | IT1062837B (de) |
| NO (1) | NO761839L (de) |
| SE (1) | SE411643B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339700A (en) * | 1981-02-23 | 1982-07-13 | Ex-Cell-O Corporation | High frequency control system using digital techniques |
| US4914593B1 (en) * | 1988-06-09 | 1995-01-17 | Spectra Physics | Method for automatic depth control for earth moving and grading |
| US5235511A (en) * | 1988-06-09 | 1993-08-10 | Spectra-Physics, Inc. | Method for automatic depth control for earth moving and grading |
| US4918608B1 (en) * | 1988-06-09 | 1996-07-02 | Christopher O Middleton | Method for automatic depth control for earth moving and grading |
| US5424740A (en) * | 1993-08-11 | 1995-06-13 | Holtek Microelectronics Inc. | Digital-to-analog converter with a Johnson code generator |
| JPH11214993A (ja) | 1998-01-26 | 1999-08-06 | Toshiba Corp | Ａ／ｄ変換器、ボリュームシステム、及びａ／ｄ変換方式 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3247504A (en) * | 1961-10-30 | 1966-04-19 | United Aircraft Corp | Digital resolver system |
| US3430118A (en) * | 1965-10-20 | 1969-02-25 | Vyzk Ustav Matemat Stroju | Apparatus including ferrotransistor switches for minimizing dead zones in a servomechanism |
| US3745560A (en) * | 1969-10-06 | 1973-07-10 | Inductosyn Corp | Trigonometric signal generator and machine control |
-
1975
- 1975-05-29 US US05/581,996 patent/US3995267A/en not_active Expired - Lifetime
-
1976
- 1976-05-12 DE DE2620969A patent/DE2620969C2/de not_active Expired
- 1976-05-25 CH CH656476A patent/CH626719A5/de not_active IP Right Cessation
- 1976-05-25 CA CA253,669A patent/CA1056478A/en not_active Expired
- 1976-05-25 GB GB21547/76A patent/GB1537693A/en not_active Expired
- 1976-05-26 FR FR7615937A patent/FR2312885A1/fr active Pending
- 1976-05-26 SE SE7606024A patent/SE411643B/xx unknown
- 1976-05-27 JP JP51060713A patent/JPS51147345A/ja active Granted
- 1976-05-27 BR BR3373/76A patent/BR7603373A/pt unknown
- 1976-05-28 AU AU14419/76A patent/AU499774B2/en not_active Expired
- 1976-05-28 IL IL49676A patent/IL49676A/xx unknown
- 1976-05-28 NO NO761839A patent/NO761839L/no unknown
- 1976-05-28 ES ES448348A patent/ES448348A1/es not_active Expired
- 1976-05-28 IT IT68308/76A patent/IT1062837B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU499774B2 (en) | 1979-05-03 |
| DE2620969C2 (de) | 1984-10-31 |
| US3995267A (en) | 1976-11-30 |
| IL49676A0 (en) | 1976-08-31 |
| CA1056478A (en) | 1979-06-12 |
| AU1441976A (en) | 1977-12-01 |
| IL49676A (en) | 1978-01-31 |
| SE7606024L (sv) | 1976-11-30 |
| ES448348A1 (es) | 1977-07-16 |
| JPS6148087B2 (de) | 1986-10-22 |
| JPS51147345A (en) | 1976-12-17 |
| SE411643B (sv) | 1980-01-21 |
| IT1062837B (it) | 1985-02-11 |
| GB1537693A (en) | 1979-01-04 |
| BR7603373A (pt) | 1976-12-21 |
| DE2620969A1 (de) | 1976-12-16 |
| FR2312885A1 (fr) | 1976-12-24 |
| CH626719A5 (de) | 1981-11-30 |
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