JPS50139665A - - Google Patents
Info
- Publication number
- JPS50139665A JPS50139665A JP50043486A JP4348675A JPS50139665A JP S50139665 A JPS50139665 A JP S50139665A JP 50043486 A JP50043486 A JP 50043486A JP 4348675 A JP4348675 A JP 4348675A JP S50139665 A JPS50139665 A JP S50139665A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/04—Arrangements for connecting networks of the same frequency but supplied from different sources
- H02J3/08—Synchronisation of networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US460252A US3879670A (en) | 1974-04-11 | 1974-04-11 | Synchronous demodulator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50139665A true JPS50139665A (2) | 1975-11-08 |
Family
ID=23827953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50043486A Pending JPS50139665A (2) | 1974-04-11 | 1975-04-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3879670A (2) |
| JP (1) | JPS50139665A (2) |
| CA (1) | CA1050125A (2) |
| DE (1) | DE2515538A1 (2) |
| FR (1) | FR2267656A1 (2) |
| GB (1) | GB1498725A (2) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8105465A (nl) * | 1981-12-04 | 1983-07-01 | Philips Nv | Synchrone demodulatieschakeling voor een, door een videosignaal in amplitude gemoduleerde draaggolf. |
| US4510399A (en) * | 1982-10-07 | 1985-04-09 | Westinghouse Electric Corp. | Demodulator circuit for parallel AC power systems |
| US4731690A (en) * | 1986-12-05 | 1988-03-15 | Westinghouse Electrical Corp. | Real load unbalance protection system for parallel variable speed constant frequency electrical power systems |
| US4728806A (en) * | 1986-12-05 | 1988-03-01 | Westinghouse Electric Corp. | DC link variable speed constant frequency power source paralleling controls |
| US5550507A (en) * | 1995-10-03 | 1996-08-27 | U.S. Philips Corporation | Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE336815B (2) * | 1969-11-06 | 1971-07-19 | Ericsson Telefon Ab L M | |
| US3699461A (en) * | 1971-09-27 | 1972-10-17 | Collins Radio Co | Analog harmonic rejecting phase detector |
-
1974
- 1974-04-11 US US460252A patent/US3879670A/en not_active Expired - Lifetime
-
1975
- 1975-03-17 CA CA222,248A patent/CA1050125A/en not_active Expired
- 1975-03-27 FR FR7509758A patent/FR2267656A1/fr not_active Withdrawn
- 1975-04-04 GB GB13882/75A patent/GB1498725A/en not_active Expired
- 1975-04-09 DE DE19752515538 patent/DE2515538A1/de active Pending
- 1975-04-11 JP JP50043486A patent/JPS50139665A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2515538A1 (de) | 1975-10-30 |
| FR2267656A1 (2) | 1975-11-07 |
| US3879670A (en) | 1975-04-22 |
| GB1498725A (en) | 1978-01-25 |
| CA1050125A (en) | 1979-03-06 |