MX9300047A - Conversion desplazada hacia abajo para un sistema de telefono inalambrico de dos auriculares. - Google Patents
Conversion desplazada hacia abajo para un sistema de telefono inalambrico de dos auriculares.Info
- Publication number
- MX9300047A MX9300047A MX9300047A MX9300047A MX9300047A MX 9300047 A MX9300047 A MX 9300047A MX 9300047 A MX9300047 A MX 9300047A MX 9300047 A MX9300047 A MX 9300047A MX 9300047 A MX9300047 A MX 9300047A
- Authority
- MX
- Mexico
- Prior art keywords
- telephone system
- wireless telephone
- headset wireless
- downloaded
- conversion
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/72502—Cordless telephones with one base station connected to a single line
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
Abstract
Un sistema telefónico inalámbrico que incluye una sola unidad básica (120) y al menos dos auriculares remotos (100, 150). Con este sistema, dos usuarios pueden mantener la participación entre tres personas al mismo tiempo que tienen la libertad para moverse dentro de una distancia razonable de trasmisión de y hacia la unidad básica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/817,932 US5392330A (en) | 1992-01-08 | 1992-01-08 | Offset down conversion for a two-handset cordless telephone system |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9300047A true MX9300047A (es) | 1993-07-01 |
Family
ID=25224237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9300047A MX9300047A (es) | 1992-01-08 | 1993-01-07 | Conversion desplazada hacia abajo para un sistema de telefono inalambrico de dos auriculares. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5392330A (es) |
EP (1) | EP0553497B1 (es) |
JP (1) | JPH05268148A (es) |
KR (1) | KR960012983B1 (es) |
CN (1) | CN1027208C (es) |
CA (1) | CA2085721C (es) |
DE (1) | DE69221461T2 (es) |
MX (1) | MX9300047A (es) |
MY (1) | MY130017A (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5826180A (en) * | 1994-08-08 | 1998-10-20 | Nice Systems Ltd. | Near homodyne radio frequency receiver |
US6044268A (en) * | 1997-07-16 | 2000-03-28 | Telefonaktiebolaget Lm Ericsson Ab | System and method for providing intercom and multiple voice channels in a private telephone system |
US20020049036A1 (en) * | 1999-10-13 | 2002-04-25 | Scott R. Bullock | Wireless phone/data jack using 49 mhz rf technology |
CN1964757B (zh) * | 2004-04-23 | 2013-08-21 | 伦纳德·爱德华·福里斯特 | 用于治疗或排出椎间盘的装置 |
US8257311B2 (en) * | 2004-04-23 | 2012-09-04 | Leonard Edward Forrest | Method and device for treatment of the spine |
US8292931B2 (en) * | 2004-04-23 | 2012-10-23 | Leonard Edward Forrest | Method and device for placing materials in the spine |
WO2006104887A2 (en) * | 2005-03-25 | 2006-10-05 | Schulein Robert B | Audio and data communications system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1022275B (de) * | 1953-11-14 | 1958-01-09 | Siemens Elektrogeraete Gmbh | Verfahren und Einrichtung zum Empfang von ueber getrennte modulierte Traegerwellen stereophonisch uebertragenen Schallsendungen |
DE2149514A1 (de) * | 1971-10-04 | 1973-04-12 | Siemens Ag | Schaltungsanordnung zum gleichzeitigen und ungestoerten empfang mehrerer sender mit einem einzigen empfaenger |
US4476575A (en) * | 1982-12-13 | 1984-10-09 | General Electric Company | Radio transceiver |
JPS61274528A (ja) * | 1985-05-30 | 1986-12-04 | Nec Corp | コ−ドレス電話システム |
JPH0815354B2 (ja) * | 1986-10-30 | 1996-02-14 | 日本電気株式会社 | 無線電話装置 |
US4759078A (en) * | 1986-11-14 | 1988-07-19 | Rose Communication Systems, Inc. | Coordinated local oscillator receiving system |
JPH0744485B2 (ja) * | 1987-05-22 | 1995-05-15 | 三菱電機株式会社 | 自動車電話装置 |
GB2209109A (en) * | 1987-08-26 | 1989-04-26 | Philips Nv | Pabx cordless telephone system |
JPH02291732A (ja) * | 1989-05-01 | 1990-12-03 | Iwatsu Electric Co Ltd | 移動通信系における分散受信方式 |
US5133002A (en) * | 1989-07-28 | 1992-07-21 | Ascii Corporation | Radiotelephone system that maintains synchronization between base and subordinate units while shifting carrier frequencies |
JPH0831907B2 (ja) * | 1989-07-28 | 1996-03-27 | 株式会社アスキー | 無線親子電話 |
JP2510021B2 (ja) * | 1990-03-07 | 1996-06-26 | シャープ株式会社 | コ―ドレス電話機 |
JPH03293824A (ja) * | 1990-04-12 | 1991-12-25 | Pioneer Electron Corp | ラジオ受信機 |
JPH047923A (ja) * | 1990-04-25 | 1992-01-13 | Sharp Corp | コードレス電話機 |
-
1992
- 1992-01-08 US US07/817,932 patent/US5392330A/en not_active Expired - Fee Related
- 1992-11-26 MY MYPI92002158A patent/MY130017A/en unknown
- 1992-12-17 CA CA002085721A patent/CA2085721C/en not_active Expired - Fee Related
- 1992-12-30 EP EP92122139A patent/EP0553497B1/en not_active Expired - Lifetime
- 1992-12-30 DE DE69221461T patent/DE69221461T2/de not_active Expired - Fee Related
-
1993
- 1993-01-05 KR KR1019930000033A patent/KR960012983B1/ko not_active IP Right Cessation
- 1993-01-07 CN CN93100165A patent/CN1027208C/zh not_active Expired - Fee Related
- 1993-01-07 MX MX9300047A patent/MX9300047A/es unknown
- 1993-01-07 JP JP5018111A patent/JPH05268148A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1027208C (zh) | 1994-12-28 |
EP0553497A3 (en) | 1993-08-18 |
US5392330A (en) | 1995-02-21 |
KR930017357A (ko) | 1993-08-30 |
KR960012983B1 (ko) | 1996-09-25 |
CN1075036A (zh) | 1993-08-04 |
CA2085721A1 (en) | 1993-07-09 |
CA2085721C (en) | 1997-07-15 |
MY130017A (en) | 2007-05-31 |
DE69221461T2 (de) | 1998-01-29 |
EP0553497A2 (en) | 1993-08-04 |
JPH05268148A (ja) | 1993-10-15 |
EP0553497B1 (en) | 1997-08-06 |
DE69221461D1 (de) | 1997-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69533088D1 (de) | Tragbares alarmsystem | |
FR2693614B1 (fr) | Telephone portatif. | |
DE69332528D1 (de) | Mobile Kommunikationseinrichtung | |
FI940174A0 (fi) | Matkapuhelimen kädet vapaana- eli HF-laitteisto | |
IT1319615B1 (it) | Dispositivo per l'uso rapido ed agevolato di un telefonino di piccoledimensioni. | |
FI930555A0 (fi) | Matkapuhelimien asetusten ryhmittely | |
DE69332765D1 (de) | Telefon-hörsprechgarnitur | |
FI943471A (fi) | Kannettava radiolaite, joka on järjestetty pitämään antennin kaukana käyttäjästä laitteella soitettaessa | |
DE68910346D1 (de) | Frei-Hand-Telefon. | |
MXPA03003953A (es) | Dispositivo configurable de comunicacion. | |
MX9300047A (es) | Conversion desplazada hacia abajo para un sistema de telefono inalambrico de dos auriculares. | |
DE59104962D1 (de) | Als Richtmikrophon ausgebildeter Telephonhandapparat. | |
BR8801622A (pt) | Telefone para ligacao a extremidade de linha telefonica e telefone para ligacao a extremidade de um par de linhas telefonicas | |
FI960582A0 (fi) | Matkaviestinlaite | |
MX9300049A (es) | Sistemas de telefono inalambrico de dos auriculares. | |
DK0660986T3 (da) | Trådløst telekommunikationsapparat. | |
USD329241S (en) | Portable cover for telephone mouthpiece and earpiece | |
NO933496D0 (no) | Mobiltelefon | |
GB9426099D0 (en) | Device for mobile telephone with answering function | |
ES1020394Y (es) | Cable antiarrollamiento para la conexion entre un aparato telefonico base y un auricular. | |
AU121120S (en) | Portable telephone handset | |
IT8321668V0 (it) | Apparecchio telefonico con tastiera, microfono e ricevitore a quadrati ad angoli arrotondati. | |
FI935546A (fi) | Myntinkasseringssystem foer mobil telefoni | |
IT247768Y1 (it) | Apparecchiatura per l'alimentazione di emergenza di supporto persistemi remoti di telefonia mobile. | |
KR930020529U (ko) | 휴대용 전화기의 수신 증폭 장치 |