CZ221794A3 - Modulation and demodulation apparatus for audio frequencies - Google Patents
Modulation and demodulation apparatus for audio frequencies Download PDFInfo
- Publication number
- CZ221794A3 CZ221794A3 CZ942217A CZ221794A CZ221794A3 CZ 221794 A3 CZ221794 A3 CZ 221794A3 CZ 942217 A CZ942217 A CZ 942217A CZ 221794 A CZ221794 A CZ 221794A CZ 221794 A3 CZ221794 A3 CZ 221794A3
- Authority
- CZ
- Czechia
- Prior art keywords
- modulation
- demodulation device
- demodulation
- audio
- television
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
- H04H20/63—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast to plural spots in a confined site, e.g. MATV [Master Antenna Television]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934333485 DE4333485A1 (de) | 1993-10-01 | 1993-10-01 | Tonfrequenzmodulator-Demodulator-Einrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
CZ221794A3 true CZ221794A3 (en) | 1995-04-12 |
Family
ID=6499160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CZ942217A CZ221794A3 (en) | 1993-10-01 | 1994-09-12 | Modulation and demodulation apparatus for audio frequencies |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0647042A1 (de) |
CZ (1) | CZ221794A3 (de) |
DE (1) | DE4333485A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100261904B1 (ko) * | 1997-08-29 | 2000-07-15 | 윤종용 | 헤드폰 사운드 출력장치 |
DE19949918B4 (de) * | 1999-10-16 | 2005-09-15 | Grundig Multimedia B.V. | Drahtlose digitale Audioübertragung im Heimbereich |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3860873A (en) * | 1971-10-01 | 1975-01-14 | Tape Athon Corp | Fm transmission system |
DE3315784A1 (de) * | 1983-04-30 | 1984-10-31 | Michael 3302 Cremlingen Zadow | Ueberwachungsanlage fuer ein gebaeude |
US4788675A (en) * | 1983-10-03 | 1988-11-29 | Jones Markley L | Music delivery system |
DE9011820U1 (de) * | 1990-08-14 | 1990-10-25 | Digitale Informationssysteme Vertriebs-Gmbh, 2120 Lueneburg | Radio- und/oder Fernsehempfangsschaltungsanordnung |
US5550825A (en) * | 1991-11-19 | 1996-08-27 | Scientific-Atlanta, Inc. | Headend processing for a digital transmission system |
-
1993
- 1993-10-01 DE DE19934333485 patent/DE4333485A1/de not_active Ceased
-
1994
- 1994-09-02 EP EP94113730A patent/EP0647042A1/de not_active Withdrawn
- 1994-09-12 CZ CZ942217A patent/CZ221794A3/cs unknown
Also Published As
Publication number | Publication date |
---|---|
EP0647042A1 (de) | 1995-04-05 |
DE4333485A1 (de) | 1995-04-06 |
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