JPH0219081A - 周期信号たとえば映像信号用の周波数変調器 - Google Patents
周期信号たとえば映像信号用の周波数変調器Info
- Publication number
- JPH0219081A JPH0219081A JP11388389A JP11388389A JPH0219081A JP H0219081 A JPH0219081 A JP H0219081A JP 11388389 A JP11388389 A JP 11388389A JP 11388389 A JP11388389 A JP 11388389A JP H0219081 A JPH0219081 A JP H0219081A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- oscillator
- frequency modulator
- input
- 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.)
- Pending
Links
- 230000000737 periodic effect Effects 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract 3
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000009795 derivation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
- H04N5/40—Modulation circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Transmitters (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3815680.6 | 1988-05-07 | ||
DE19883815680 DE3815680A1 (de) | 1988-05-07 | 1988-05-07 | Frequenzmodulator fuer periodische signale |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0219081A true JPH0219081A (ja) | 1990-01-23 |
Family
ID=6353910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11388389A Pending JPH0219081A (ja) | 1988-05-07 | 1989-05-08 | 周期信号たとえば映像信号用の周波数変調器 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH0219081A (enrdf_load_stackoverflow) |
DE (1) | DE3815680A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4235923A1 (de) * | 1992-10-23 | 1994-05-05 | Siemens Ag | Anordnung zur Modulation von Übertragungssignalen in einer Kommunikationseinrichtung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2720896C2 (de) * | 1977-05-10 | 1983-09-15 | Rohde & Schwarz GmbH & Co KG, 8000 München | Schaltung zum Regeln der Ausgangsfrequenz eines Wobbeloszillators |
GB2048610B (en) * | 1979-04-05 | 1983-04-27 | Rca Corp | Automatic limit control for secam encoder |
-
1988
- 1988-05-07 DE DE19883815680 patent/DE3815680A1/de active Granted
-
1989
- 1989-05-08 JP JP11388389A patent/JPH0219081A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3815680A1 (de) | 1989-11-16 |
DE3815680C2 (enrdf_load_stackoverflow) | 1993-09-09 |
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