JPH0115120B2 - - Google Patents
Info
- Publication number
- JPH0115120B2 JPH0115120B2 JP56061681A JP6168181A JPH0115120B2 JP H0115120 B2 JPH0115120 B2 JP H0115120B2 JP 56061681 A JP56061681 A JP 56061681A JP 6168181 A JP6168181 A JP 6168181A JP H0115120 B2 JPH0115120 B2 JP H0115120B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- rectangular wave
- signal
- detection element
- 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
- 238000001514 detection method Methods 0.000 claims description 27
- 238000012935 Averaging Methods 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 16
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010356 wave oscillation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/243—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of AC
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56061681A JPS57176496A (en) | 1981-04-22 | 1981-04-22 | Two-wire system converter |
| US06/358,607 US4494089A (en) | 1981-04-22 | 1982-03-15 | Pulse phase modulator/demodulator system |
| DE19823213857 DE3213857A1 (de) | 1981-04-22 | 1982-04-15 | Zweidraht-umsetzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56061681A JPS57176496A (en) | 1981-04-22 | 1981-04-22 | Two-wire system converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57176496A JPS57176496A (en) | 1982-10-29 |
| JPH0115120B2 true JPH0115120B2 (OSRAM) | 1989-03-15 |
Family
ID=13178243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56061681A Granted JPS57176496A (en) | 1981-04-22 | 1981-04-22 | Two-wire system converter |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4494089A (OSRAM) |
| JP (1) | JPS57176496A (OSRAM) |
| DE (1) | DE3213857A1 (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754411A (en) * | 1983-07-25 | 1988-06-28 | Cain Encoder Co. | Angular position detector |
| US5097229A (en) * | 1989-01-12 | 1992-03-17 | Uniphase Corporation | Modulator - demodulator transformer coupled d.c. to one mhz information channel |
| DE4414676C1 (de) * | 1994-04-27 | 1995-06-22 | Eckardt Ag | Schaltungsanordnung zur elektrischen Energie- und Geräteinformationsübertragung über einen Zweileiterstromkreis an ein anzusteuerndes Gerät |
| DE19631425A1 (de) * | 1996-08-06 | 1998-02-12 | Wolf & Beck Gmbh Dr | Verfahren zur Identifikation von an Meß- oder Werkzeugmaschinen austauschbar angeordneten Zubehörteilen sowie Identifikator zur Verfahrensdurchführung |
| DE19729453A1 (de) * | 1997-07-10 | 1999-02-11 | Daimler Benz Aerospace Ag | Isolationsverstärker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1128159B (de) * | 1958-10-20 | 1962-04-19 | Siemens Ag | Anordnung zur Vielfachanzeige von Messwerten |
| DE1191593B (de) * | 1961-09-27 | 1965-04-22 | Siemens Ag | Anordnung zur Vielfachanzeige von Messwerten |
| US3573599A (en) * | 1969-10-27 | 1971-04-06 | Rosemount Eng Co Ltd | Two-wire current transmitter with transformer isolation |
| FR2340651A1 (fr) * | 1976-02-03 | 1977-09-02 | Lignes Telegraph Telephon | Procede de generation d'une onde harmonique a partir de signaux modules en phase |
| US4052672A (en) * | 1976-07-22 | 1977-10-04 | Motorola, Inc. | Extended phase-range, high fidelity modulator arrangement |
-
1981
- 1981-04-22 JP JP56061681A patent/JPS57176496A/ja active Granted
-
1982
- 1982-03-15 US US06/358,607 patent/US4494089A/en not_active Expired - Fee Related
- 1982-04-15 DE DE19823213857 patent/DE3213857A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3213857A1 (de) | 1982-11-11 |
| US4494089A (en) | 1985-01-15 |
| DE3213857C2 (OSRAM) | 1988-03-31 |
| JPS57176496A (en) | 1982-10-29 |
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