FR2488086A1 - Dispositif emetteur-recepteur - Google Patents
Dispositif emetteur-recepteur Download PDFInfo
- Publication number
- FR2488086A1 FR2488086A1 FR8016834A FR8016834A FR2488086A1 FR 2488086 A1 FR2488086 A1 FR 2488086A1 FR 8016834 A FR8016834 A FR 8016834A FR 8016834 A FR8016834 A FR 8016834A FR 2488086 A1 FR2488086 A1 FR 2488086A1
- Authority
- FR
- France
- Prior art keywords
- signal
- amplifier
- comparator
- reception
- antenna
- 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 title claims abstract 4
- 230000002401 inhibitory effect Effects 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 101150110971 CIN7 gene Proteins 0.000 description 1
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 1
- 101150110298 INV1 gene Proteins 0.000 description 1
- 101100397044 Xenopus laevis invs-a gene Proteins 0.000 description 1
- 101100397045 Xenopus laevis invs-b gene Proteins 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8016834A FR2488086A1 (fr) | 1980-07-30 | 1980-07-30 | Dispositif emetteur-recepteur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8016834A FR2488086A1 (fr) | 1980-07-30 | 1980-07-30 | Dispositif emetteur-recepteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2488086A1 true FR2488086A1 (fr) | 1982-02-05 |
| FR2488086B3 FR2488086B3 (index.php) | 1983-07-08 |
Family
ID=9244717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8016834A Granted FR2488086A1 (fr) | 1980-07-30 | 1980-07-30 | Dispositif emetteur-recepteur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2488086A1 (index.php) |
-
1980
- 1980-07-30 FR FR8016834A patent/FR2488086A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2488086B3 (index.php) | 1983-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5265264A (en) | Convertible half-to-full duplex radio operation selected by battery | |
| EP0607214B1 (en) | Communication device having a speaker and microphone | |
| US6141415A (en) | Method and apparatus for detecting speech at a near-end of a communications system, a speaker-phone system, or the like | |
| WO2002028120A3 (en) | Mode switching in adaptive array communications systems | |
| US6421426B1 (en) | Infrared wireless headset system | |
| US5768364A (en) | Software speakerphone system and method of operating a speakerphone | |
| CA2371151A1 (fr) | Dispositif de commande d'un systeme de communication d'un aeronef, notamment d'un avion de transport | |
| FR2488086A1 (fr) | Dispositif emetteur-recepteur | |
| FR2532134A1 (fr) | Dispositif de telephone a haut-parleur | |
| EP0494030A1 (fr) | Dispositif de commande à distance par faisceaux herziens | |
| EP1161065A1 (fr) | Télécommande pour téléphone mobile et téléphone mobile pouvant être commandé par une télécommande. | |
| EP0006807A1 (fr) | Dispositif de liaison hertzienne multiplexée | |
| FR2517911A1 (fr) | Circuit de commande pour dispositif de conversation telephonique a mains libres | |
| US5173795A (en) | Optically controlled radio | |
| EP1195844A1 (fr) | Dispositif et procédé de contrôle et de commande de la puissance du signal d'un terminal de radiocommunications | |
| KR960009436A (ko) | 수신 신호 경로에서의 측음 감소 회로 및 방법 | |
| FR2721756A1 (fr) | Système d'antennes d'émission-réception omnidirectionnel à diversité angulaire et de polarisation. | |
| FR2802044A1 (fr) | Procede de reglage d'un niveau sonore dans un telephone mobile | |
| FR2758028A1 (fr) | Systeme et procede d'insertion de donnees pour la modulation de l'onde porteuse d'un emetteur radio de communication avec des signaux de commande d'un missile | |
| JP3069572B2 (ja) | 拡声電話機 | |
| FR2776083A1 (fr) | Commutateur optique et procede de commande de celui-ci | |
| Patel et al. | Analysis of diffuse indoor infrared data links | |
| JPH0321142A (ja) | 無線電話装置 | |
| KR200213401Y1 (ko) | 차량용 핸드프리 장치 | |
| JP2997597B2 (ja) | 光送受信器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |