JPH02141191U - - Google Patents
Info
- Publication number
- JPH02141191U JPH02141191U JP1989050126U JP5012689U JPH02141191U JP H02141191 U JPH02141191 U JP H02141191U JP 1989050126 U JP1989050126 U JP 1989050126U JP 5012689 U JP5012689 U JP 5012689U JP H02141191 U JPH02141191 U JP H02141191U
- Authority
- JP
- Japan
- Prior art keywords
- digital data
- receiver
- output terminal
- high frequency
- frequency wave
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Selective Calling Equipment (AREA)
Description
第１図は本考案の一実施例に係る自動車の遠隔
操作装置の受信機の概略を示すブロツク図、第２
図Ａは受信機に入力されるＡＭ波の波形図、第２
図Ｂは、本考案に係る受信機から取り出された信
号の波形図、第３図は自動車の遠隔操作装置の説
明図、第４図はＡ〜Ｃはデイジタル無線通信を説
明するための信号の波形図である。
１１……ＲＦバンドパスフイルタ、１２……Ｒ
Ｆアンプ、１３……周波数混合器、１４……局部
発振器、２１……ＩＦアンプ、２２……クオドラ
チユア検波回路、２３……ＰＯＳＴアンプ、Ｔ…
…出力端子、Ｃ……容量性負荷。
FIG. 1 is a block diagram schematically showing a receiver of a remote control device for a vehicle according to an embodiment of the present invention, and FIG.
Figure A is a waveform diagram of the AM wave input to the receiver.
Figure B is a waveform diagram of a signal taken out from the receiver according to the present invention, Figure 3 is an explanatory diagram of a remote control device for a car, and Figures A to C are diagrams of signals for explaining digital wireless communication. FIG. 11...RF band pass filter, 12...R
F amplifier, 13... Frequency mixer, 14... Local oscillator, 21... IF amplifier, 22... Quadrature detection circuit, 23... POST amplifier, T...
...Output terminal, C...Capacitive load.
Claims (1)
欠的に発信する送信機と、この高周波を受信して
デイジタルデータを取り出し、出力端子より出力
する検波回路を有する受信機からなるデイジタル
無線通信装置において、前記検波回路によつて取
り出されたデイジタルデータが容量性負荷を介す
ることなく出力端子より出力されることを特徴と
するデイジタル無線通信用受信機。 In a digital wireless communication device comprising a transmitter that intermittently transmits a high frequency wave according to the level of digital data, and a receiver having a detection circuit that receives the high frequency wave, extracts the digital data, and outputs it from an output terminal, the detection 1. A receiver for digital wireless communications, characterized in that digital data extracted by a circuit is output from an output terminal without passing through a capacitive load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989050126U JPH073742Y2 (en) | 1989-04-26 | 1989-04-26 | Transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989050126U JPH073742Y2 (en) | 1989-04-26 | 1989-04-26 | Transceiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02141191U true JPH02141191U (en) | 1990-11-27 |
| JPH073742Y2 JPH073742Y2 (en) | 1995-01-30 |
Family
ID=31568407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989050126U Expired - Lifetime JPH073742Y2 (en) | 1989-04-26 | 1989-04-26 | Transceiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073742Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171798A (en) * | 1984-09-14 | 1986-04-12 | Seiko Instr & Electronics Ltd | Radio controller |
-
1989
- 1989-04-26 JP JP1989050126U patent/JPH073742Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171798A (en) * | 1984-09-14 | 1986-04-12 | Seiko Instr & Electronics Ltd | Radio controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073742Y2 (en) | 1995-01-30 |
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