JPH0315383B2 - - Google Patents
Info
- Publication number
- JPH0315383B2 JPH0315383B2 JP56165354A JP16535481A JPH0315383B2 JP H0315383 B2 JPH0315383 B2 JP H0315383B2 JP 56165354 A JP56165354 A JP 56165354A JP 16535481 A JP16535481 A JP 16535481A JP H0315383 B2 JPH0315383 B2 JP H0315383B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- analog
- circuit
- input
- digital
- 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.)
- Expired - Lifetime
Links
- 238000001228 spectrum Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16535481A JPS5866424A (ja) | 1981-10-16 | 1981-10-16 | 受信信号判定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16535481A JPS5866424A (ja) | 1981-10-16 | 1981-10-16 | 受信信号判定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5866424A JPS5866424A (ja) | 1983-04-20 |
JPH0315383B2 true JPH0315383B2 (de) | 1991-02-28 |
Family
ID=15810766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16535481A Granted JPS5866424A (ja) | 1981-10-16 | 1981-10-16 | 受信信号判定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5866424A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61187434A (ja) * | 1985-02-14 | 1986-08-21 | Olympus Optical Co Ltd | 医用画像処理システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55166359A (en) * | 1979-06-14 | 1980-12-25 | Kokusai Denshin Denwa Co Ltd <Kdd> | Detector for modulated data signal |
JPS566550A (en) * | 1979-06-27 | 1981-01-23 | Mitsubishi Electric Corp | Data transmission system |
-
1981
- 1981-10-16 JP JP16535481A patent/JPS5866424A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55166359A (en) * | 1979-06-14 | 1980-12-25 | Kokusai Denshin Denwa Co Ltd <Kdd> | Detector for modulated data signal |
JPS566550A (en) * | 1979-06-27 | 1981-01-23 | Mitsubishi Electric Corp | Data transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPS5866424A (ja) | 1983-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2532835B2 (ja) | デイジタル多重送信システムにおける受信装置の同期化用の回路装置 | |
EP0108151B1 (de) | Sprachverschlüsseler | |
KR950002311A (ko) | 디지털 신호 및 대역제한된 아날로그 신호의 통신 방법 및 통신 시스템 | |
KR20030010757A (ko) | 디지털 무선 통신 네트워크들을 통한 데이터 통신용강화된 대역내 시그널링 | |
US4159448A (en) | Communication systems | |
JPH01298854A (ja) | データ伝送装置の自動認識方式 | |
US3953798A (en) | Method and device for radio transmission of binary data signals | |
US4654481A (en) | Security system for cordless extension telephones | |
US4280020A (en) | Radio telephone system with direct digital carrier modulation for data transmission | |
JPH08274742A (ja) | 時分割多重伝送システム | |
AU614711B2 (en) | Signal communication capable of avoiding an audible reproduction of a sequency of information signals | |
US4217469A (en) | Coding and decoding apparatus for the protection of communication secrecy | |
JPH0315383B2 (de) | ||
JPS60112357A (ja) | 情報伝送方式 | |
JPH11501176A (ja) | 音声メッセージ化システムおよび直交変調成分の有効利用方法 | |
JPH0630450A (ja) | トーンの広帯域検出を改良する方法および装置 | |
JPS59200547A (ja) | 回線品質監視方式 | |
JPS5864861A (ja) | 受信信号判定方法 | |
JPH07273750A (ja) | 符号変換用インタフェ−ス回路 | |
JP2723510B2 (ja) | 無線電話装置 | |
JPS58147246A (ja) | デイジタル位相復調器の切替制御方式 | |
FI85317B (fi) | Korrigeringssystem och korrigeringskrets. | |
JP3718440B2 (ja) | 無線機および無線システム | |
GB1602461A (en) | Transmission of speech and supervisory signals | |
JPH0563677A (ja) | スペクトラム拡散通信用受信装置 |