CA1200843A - Instrument de communication sans fil - Google Patents

Instrument de communication sans fil

Info

Publication number: CA1200843A
Authority: CA; Canada
Prior art keywords: infrared radiation; signal; carrier; voice; instrument
Prior art date: 1980-07-01
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

Application number

CA000379737A

Other languages

English (en)

Inventor

Charles L. Hicks, Jr.

James M. Sotelo

Thomas W. Ritchey

David E. Silverglate

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Plantronics Inc

Original Assignee

Plantronics Inc

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.)

1980-07-01

Filing date

1981-06-15

Publication date

1986-02-18

1980-07-01 Priority claimed from US06/165,070 external-priority patent/US4534614A/en

1981-06-15 Application filed by Plantronics Inc filed Critical Plantronics Inc

1986-02-18 Application granted granted Critical

1986-02-18 Publication of CA1200843A publication Critical patent/CA1200843A/fr

Status Expired legal-status Critical Current

Links

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Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1143—Bidirectional transmission
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
- 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
- H04M1/737—Characterised by transmission of electromagnetic waves other than radio waves, e.g. infrared waves
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Computer Networks & Wireless Communication (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Optical Communication System (AREA)
Mobile Radio Communication Systems (AREA)

CA000379737A 1980-07-01 1981-06-15 Instrument de communication sans fil Expired CA1200843A (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
US16506980A	1980-07-01	1980-07-01
US16506580A	1980-07-01	1980-07-01
US06/165,070 US4534614A (en)	1980-07-01	1980-07-01	Aspherical lens for concentrating diffuse optical radiation
US165,070		1980-07-01
US165,069		1980-07-01
US165,065		1980-07-01

Publications (1)

Publication Number	Publication Date
CA1200843A true CA1200843A (fr)	1986-02-18

Family

ID=27389097

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000379737A Expired CA1200843A (fr)	1980-07-01	1981-06-15	Instrument de communication sans fil

Country Status (3)

Country	Link
CA (1)	CA1200843A (fr)
DE (1)	DE3125413A1 (fr)
GB (1)	GB2079088B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60121347U (ja) *	1984-01-24	1985-08-16	ソニー株式会社	光送受信装置
US4757553A (en) *	1984-05-15	1988-07-12	Crimmins James W	Communication system with portable unit
DE3434686A1 (de) *	1984-09-21	1986-04-03	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Schnurloses telefon
DE3506189C2 (de) *	1985-02-22	1986-12-11	ANT Nachrichtentechnik GmbH, 7150 Backnang	Anordnung zum selbsttätigen Ausrichten einer Bewegtbildkamera auf ein Objekt
DE3723261A1 (de) *	1986-11-10	1988-05-11	Temco Japan	Fernsprecheinrichtung mit ohrmikrofon
GB8630152D0 (en) *	1986-12-17	1987-01-28	Gen Electric Co Plc	Optical communication systems
US4882770A (en) *	1987-12-14	1989-11-21	H. M. Electronics, Inc.	Wireless optical communication system
JPH01129933U (fr) *	1988-02-26	1989-09-05
AU4506889A (en) *	1989-03-20	1990-10-22	Hm Electronics, Inc.	Optical wavelength communication system and method of using same
DE3942428C2 (de) *	1989-12-21	1994-07-14	Siemens Ag	Ergänzungseinrichtung für Fernsprechgeräte
US5087982A (en) *	1990-11-14	1992-02-11	Inter Innovation Lefebure Manufacturing	Pulsed communication system
FR2676883B1 (fr) *	1991-05-24	1995-09-01	Jegou Pierre	Dispositif de transmission du son d'un appareil audio.
US5754323A (en) *	1992-08-27	1998-05-19	Thermotrex Corporation	Point-to-point laser communication device
DE4310873C2 (de) *	1993-04-02	1995-11-16	Rainer Lauterbach	Schnurlose, abnehmbare Hör-Sprechgarnitur
EP0766437A1 (fr) *	1995-09-29	1997-04-02	Siemens Aktiengesellschaft	Appareil de télécommunication
GB2323230A (en) *	1997-03-12	1998-09-16	Nokia Mobile Phones Ltd	Portable communication terminal with both radio and infrared transceivers
US6081356A (en) *	1997-05-27	2000-06-27	Steelcase Development Inc.	Integrated optical ports
US6298047B1 (en)	1998-05-20	2001-10-02	Steelcase Development Inc.	Method and apparatus for establishing a data link between a portable data communications device and an interface circuit
US6337856B1 (en)	1998-05-20	2002-01-08	Steelcase Development Corporation	Multimedia data communications system
US6359711B1 (en)	1998-05-20	2002-03-19	Steelcase Development Corporation	System and method for supporting a worker in a distributed work environment
US6577877B1 (en) *	2000-02-23	2003-06-10	Motorola, Inc.	Wireless infrared peripheral interface for a communication device
WO2002065670A1 (fr) *	2001-02-15	2002-08-22	Compagnie Des Inventions De L'atelier De L'innovation	Systeme de communication par voie optique vers des terminaux passifs et emetteur pour un tel systeme
US20080212971A1 (en) *	2005-12-16	2008-09-04	Tamir Shaanan	Wireless Infrared Multimedia System
DE102008003089A1 (de)	2007-08-06	2009-02-26	Siemens Ag	Datenübertragungssystem und Verfahren zum Übertragen von Daten in einem Datenübertragungssystem
EP3404857A4 (fr) *	2017-03-02	2019-10-30	Shenzhen Taiden Industrial Co., Ltd.	Récepteur infrarouge et système d'interprétation simultanée infrarouge

1981
- 1981-06-15 CA CA000379737A patent/CA1200843A/fr not_active Expired
- 1981-06-16 GB GB8118446A patent/GB2079088B/en not_active Expired
- 1981-06-27 DE DE19813125413 patent/DE3125413A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
GB2079088B (en)	1985-05-30
GB2079088A (en)	1982-01-13
DE3125413A1 (de)	1982-04-01

Legal Events

Date	Code	Title	Description
2003-02-18	MKEX	Expiry

Publication	Publication Date	Title
GB2079088A (en)	1982-01-13	Cordfree communication instrument
US4543665A (en)	1985-09-24	Speakerphone with wireless infrared microphone
AU693613B2 (en)	1998-07-02	Cellular speakerphone and method of operation thereof
US4977619A (en)	1990-12-11	Distributed infrared communication system
KR100394901B1 (ko)	2003-11-28	휴대용통신장치
US5103108A (en)	1992-04-07	Distributed infrared communication system
US7181024B1 (en)	2007-02-20	Portable audio listening apparatus
US20020067825A1 (en)	2002-06-06	Integrated headphones for audio programming and wireless communications with a biased microphone boom and method of implementing same
KR20010012328A (ko)	2001-02-15	트랜듀서 다이아프램의 변위를 검출하는 광검출기를가지는 음향 트랜듀서 및 방법
US4775996A (en)	1988-10-04	Hybrid telephony communication system
JPH07503594A (ja)	1995-04-13	受信機のための聴覚報知器回路
CA1131315A (fr)	1982-09-07	Systeme de communication aux rayons infrarouges
EP0187696A2 (fr)	1986-07-16	Système de conférence entièrement bidirectionnel
JPH10276250A (ja)	1998-10-13	携帯端末装置
EP0746131A1 (fr)	1996-12-04	Appareil de communication par radio
WO2001019054A1 (fr)	2001-03-15	Casque integre pour programmation radio et communication sans fil avec un bras de microphone decale et procede de mise en oeuvre de ce systeme
JP2954150B1 (ja)	1999-09-27	携帯電話システム及びそれに用いる通話装置
US2568823A (en)	1951-09-25	Loud-speaking telephone set
CA2000026A1 (fr)	1990-03-31	Dispositif de confirmation de numerotation par une tonalite
JPH066430A (ja)	1994-01-14	赤外線電話機
US6895260B2 (en)	2005-05-17	Hands-free handset for a cordless telephone
KR20020076951A (ko)	2002-10-11	휴대용 적외선 송신기 및 이어폰
WO2001097489A1 (fr)	2001-12-20	Systeme de communication vocale destine a empecher la diffusion des ondes vocales d'un locuteur autour de ce dernier
JP2937974B2 (ja)	1999-08-23	送受話器と携帯通信端末システム
KR0177317B1 (ko)	1999-05-15	전화기의 이어폰을 이용한 영상 및 오디오 기기의 오디오 청취 장치 및 방법