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
Application number
MX9300047A
Other languages
English (en)
Inventor
Samuel Rocco Paniccia Jr
Original Assignee
Thomson Consumer Electronics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of MX9300047A publication Critical patent/MX9300047A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725Cordless telephones
    • H04M1/72502Cordless telephones with one base station connected to a single line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits 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.
MX9300047A 1992-01-08 1993-01-07 Conversion desplazada hacia abajo para un sistema de telefono inalambrico de dos auriculares. MX9300047A (es)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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