JPS5555630A - Multiplex broadcast reception system in television receiver - Google Patents
Multiplex broadcast reception system in television receiverInfo
- Publication number
- JPS5555630A JPS5555630A JP12872878A JP12872878A JPS5555630A JP S5555630 A JPS5555630 A JP S5555630A JP 12872878 A JP12872878 A JP 12872878A JP 12872878 A JP12872878 A JP 12872878A JP S5555630 A JPS5555630 A JP S5555630A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- vhf
- converter
- uhf
- branch unit
- 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
Landscapes
- Details Of Television Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
PURPOSE: To make excellent the reception, by converting the received UHF signal into the signal having the frequency not giving effect to the signal in VHF band, changing it into UHF signal through the use of a converter, and mixing it with the VHF signal fed directly.
CONSTITUTION: The reception signal from the antennas 1 and 2 in UHF and VHF is fed to the main line branch amplifier 5 via the head amplifier 3, and this output is fed to the TV receiver 8 via the converter built-in branch unit 7. In this circuit, the branch unit 7 is constituted as follows: Between the branch unit 13 and V/U converter 17 provided between the input and output terminals 11 and 12, the level control 14 and the VHF broad band amplifier 15 are provided. After branching the specific signal at the branch unit 16 with level adjustment, conversion is made to a given UHF signal at the converter 17. After that, this signal is mixed with VHF signal not branched at the mixer 18 and it is delivered to the receiver 8 via the branch terminals 20∼23.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12872878A JPS5555630A (en) | 1978-10-19 | 1978-10-19 | Multiplex broadcast reception system in television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12872878A JPS5555630A (en) | 1978-10-19 | 1978-10-19 | Multiplex broadcast reception system in television receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5555630A true JPS5555630A (en) | 1980-04-23 |
Family
ID=14991968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12872878A Pending JPS5555630A (en) | 1978-10-19 | 1978-10-19 | Multiplex broadcast reception system in television receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5555630A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6247283U (en) * | 1985-09-10 | 1987-03-23 | ||
JPS6295376U (en) * | 1985-12-03 | 1987-06-18 |
-
1978
- 1978-10-19 JP JP12872878A patent/JPS5555630A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6247283U (en) * | 1985-09-10 | 1987-03-23 | ||
JPS6295376U (en) * | 1985-12-03 | 1987-06-18 |
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