GB969384A - Analogue-to-digital converters - Google Patents
Analogue-to-digital convertersInfo
- Publication number
- GB969384A GB969384A GB20163/62A GB2016362A GB969384A GB 969384 A GB969384 A GB 969384A GB 20163/62 A GB20163/62 A GB 20163/62A GB 2016362 A GB2016362 A GB 2016362A GB 969384 A GB969384 A GB 969384A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balancing element
- store
- encoder
- inductance
- balance
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/001—Analogue/digital/analogue conversion
Abstract
969,384. Electric selective signalling. MINISTER OF AVIATION. May 16,1963 [May 25, 1962], No.20163/62. Heading G4H. An impedance X is measured in a bridge circuit incorporating a balancing element RV which is varied cyclically by means M which is also coupled to a shaft position encoder SE to provide an instantaneous digital indication of the state of balancing element RV, a signal pulse being produced at balance (of the bridge) to read-out the indication of encoder SE. In the Figure, X is a resistance and balancing element RV is a circular potentiometer driven continuously by a motor M. At balance, a series circuit of amplifier A, threshold circuit TC and differentiator D cause encoder read-out into a temporary store TS which is emptied into a permanent store PS (magnetic or punched tape) once per cycle. Store TS may be omitted. Independence X may be a capacitance or inductance, balancing element RV then being a variable capacitor or inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20163/62A GB969384A (en) | 1962-05-25 | 1962-05-25 | Analogue-to-digital converters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20163/62A GB969384A (en) | 1962-05-25 | 1962-05-25 | Analogue-to-digital converters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB969384A true GB969384A (en) | 1964-09-09 |
Family
ID=10141430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20163/62A Expired GB969384A (en) | 1962-05-25 | 1962-05-25 | Analogue-to-digital converters |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB969384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535130A1 (en) * | 1984-11-05 | 1986-05-07 | John Fluke Mfg. Co., Inc., Everett, Wash. | METHOD AND DEVICE FOR IMPEDANCE MEASUREMENT |
| US4716361A (en) * | 1984-11-05 | 1987-12-29 | John Fluke Mfg. Co., Inc. | Capacitance measuring method and apparatus |
-
1962
- 1962-05-25 GB GB20163/62A patent/GB969384A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535130A1 (en) * | 1984-11-05 | 1986-05-07 | John Fluke Mfg. Co., Inc., Everett, Wash. | METHOD AND DEVICE FOR IMPEDANCE MEASUREMENT |
| GB2166555A (en) * | 1984-11-05 | 1986-05-08 | Fluke Mfg Co John | Impedance measuring method and apparatus |
| US4716361A (en) * | 1984-11-05 | 1987-12-29 | John Fluke Mfg. Co., Inc. | Capacitance measuring method and apparatus |
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