SG143193A1 - Transmitting and receiving circuit and modulation circuit - Google Patents
Transmitting and receiving circuit and modulation circuitInfo
- Publication number
- SG143193A1 SG143193A1 SG200717965-8A SG2007179658A SG143193A1 SG 143193 A1 SG143193 A1 SG 143193A1 SG 2007179658 A SG2007179658 A SG 2007179658A SG 143193 A1 SG143193 A1 SG 143193A1
- Authority
- SG
- Singapore
- Prior art keywords
- circuit
- modulation
- transmitting
- radio waves
- demodulation circuit
- Prior art date
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Burglar Alarm Systems (AREA)
Abstract
TRANSMITTING AND RECEIVING CIRCUIT AND MODULATION CIRCUIT In radio wave reception, a first diode and a second diode are both brought into an OFF state to directly input received radio waves from an antenna to a demodulation circuit via a stripline. That is, the received radio waves can be input to the demodulation circuit without being attenuated. Further, in radio wave transmission, the first and second diodes are turned on or off to transmit reflected radio waves subjected to phase modulation. In this case, one of the first and second diodes is in the ON state. Accordingly, a modulation circuit can be cut off from the demodulation circuit.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006317456A JP2008130029A (en) | 2006-11-24 | 2006-11-24 | Transmission/reception circuit and modulation circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
SG143193A1 true SG143193A1 (en) | 2008-06-27 |
Family
ID=39555749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200717965-8A SG143193A1 (en) | 2006-11-24 | 2007-11-20 | Transmitting and receiving circuit and modulation circuit |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2008130029A (en) |
SG (1) | SG143193A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108732563B (en) * | 2018-08-21 | 2024-02-09 | 无锡华测电子系统有限公司 | Multichannel tile formula transceiver module |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19933978A1 (en) * | 1999-07-20 | 2001-01-25 | Abb Research Ltd | Transponder-based wireless information transfer method, e.g. for process variables or actuator commands, involves substation performing phase modulation of received HF signal and reflecting modulated narrow band signal back to base station |
JP2003229771A (en) * | 2002-02-04 | 2003-08-15 | Murata Mfg Co Ltd | Transmitter |
US20050176381A1 (en) * | 2002-04-23 | 2005-08-11 | Tsutomi Ieki | Wireless communication rf circuit and communication apparatus including the same |
-
2006
- 2006-11-24 JP JP2006317456A patent/JP2008130029A/en not_active Withdrawn
-
2007
- 2007-11-20 SG SG200717965-8A patent/SG143193A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19933978A1 (en) * | 1999-07-20 | 2001-01-25 | Abb Research Ltd | Transponder-based wireless information transfer method, e.g. for process variables or actuator commands, involves substation performing phase modulation of received HF signal and reflecting modulated narrow band signal back to base station |
JP2003229771A (en) * | 2002-02-04 | 2003-08-15 | Murata Mfg Co Ltd | Transmitter |
US20050176381A1 (en) * | 2002-04-23 | 2005-08-11 | Tsutomi Ieki | Wireless communication rf circuit and communication apparatus including the same |
Also Published As
Publication number | Publication date |
---|---|
JP2008130029A (en) | 2008-06-05 |
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