CA1022624A - Emetteur radio pour signaux vocaux, d'occupation et de commutation - Google Patents

Emetteur radio pour signaux vocaux, d'occupation et de commutation

Info

Publication number: CA1022624A
Authority: CA; Canada
Prior art keywords: busy; radio transmitter; switching signals; speech information; speech
Prior art date: 1973-02-28
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

CA193,436A

Other languages

English (en)

Other versions

CA193436S (en

Inventor

Peter L. Lunden

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1973-02-28

Filing date

1974-02-25

Publication date

1977-12-13

1974-02-25 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1977-12-13 Application granted granted Critical

1977-12-13 Publication of CA1022624A publication Critical patent/CA1022624A/fr

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)
Transmitters (AREA)

CA193,436A 1973-02-28 1974-02-25 Emetteur radio pour signaux vocaux, d'occupation et de commutation Expired CA1022624A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7302804A SE370842B (fr)	1973-02-28	1973-02-28

Publications (1)

Publication Number	Publication Date
CA1022624A true CA1022624A (fr)	1977-12-13

Family

ID=20316759

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA193,436A Expired CA1022624A (fr)	1973-02-28	1974-02-25	Emetteur radio pour signaux vocaux, d'occupation et de commutation

Country Status (9)

Country	Link
US (1)	US3938156A (fr)
JP (1)	JPS5026416A (fr)
CA (1)	CA1022624A (fr)
CH (1)	CH561487A5 (fr)
DE (1)	DE2408588C3 (fr)
FR (1)	FR2219579B1 (fr)
GB (1)	GB1422924A (fr)
NL (1)	NL7402507A (fr)
SE (1)	SE370842B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4376310A (en) *	1981-05-13	1983-03-08	General Electric Company	Mobile data terminal channel busy arrangement
DE3304300A1 (de) *	1983-02-09	1984-08-09	Brown, Boveri & Cie Ag, 6800 Mannheim	Verfahren und einrichtung zur busanforderung und sammelquittierung in einem prozessbus-system
US4494244A (en) *	1983-02-14	1985-01-15	Alfred Arndt	Step-off device for aircraft voice communication system
US4551854A (en) *	1983-08-22	1985-11-05	Rutty John G	Anti-blocking device including stuck microphone reliever for aircraft voice communication system
US4703476A (en) *	1983-09-16	1987-10-27	Audicom Corporation	Encoding of transmitted program material
US4573207A (en) *	1983-12-22	1986-02-25	Motorola, Inc.	Queued community repeater communications system
JP2783578B2 (ja) *	1989-02-21	1998-08-06	キヤノン株式会社	スペクトラム拡散通信装置
FR2705179B1 (fr) *	1993-05-12	1995-06-16	Gemplus Card Int	Procédé de gestion de la transmission des messages d'un ensemble d'émetteurs vers un récepteur unique sur un canal unique.
US6308052B1 (en) *	1999-01-15	2001-10-23	Imran A. Jamali	Half-duplex radios for indicating signal transmissions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3281789A (en) *	1962-11-02	1966-10-25	Frederick P Willcox	Multiple remote interrogated information system
US3452156A (en) *	1966-02-25	1969-06-24	Motorola Inc	Radio transmission system with independent diversity reception of plural sideband components
US3617892A (en) *	1967-02-27	1971-11-02	Rca Corp	Frequency modulation system for spreading radiated power
US3477042A (en) *	1967-06-21	1969-11-04	Communications Satellite Corp	Constant level loading of f.m. modulator

1973
- 1973-02-28 SE SE7302804A patent/SE370842B/xx unknown
1974
- 1974-02-18 GB GB719674A patent/GB1422924A/en not_active Expired
- 1974-02-20 US US05/443,974 patent/US3938156A/en not_active Expired - Lifetime
- 1974-02-22 DE DE2408588A patent/DE2408588C3/de not_active Expired
- 1974-02-25 NL NL7402507A patent/NL7402507A/xx not_active Application Discontinuation
- 1974-02-25 JP JP49021575A patent/JPS5026416A/ja active Pending
- 1974-02-25 CA CA193,436A patent/CA1022624A/fr not_active Expired
- 1974-02-25 CH CH264174A patent/CH561487A5/xx not_active IP Right Cessation
- 1974-02-27 FR FR7406602A patent/FR2219579B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2219579B1 (fr)	1976-12-03
DE2408588A1 (de)	1974-09-05
US3938156A (en)	1976-02-10
SE370842B (fr)	1974-10-28
JPS5026416A (fr)	1975-03-19
FR2219579A1 (fr)	1974-09-20
DE2408588B2 (de)	1977-12-15
DE2408588C3 (de)	1978-08-10
GB1422924A (en)	1976-01-28
CH561487A5 (fr)	1975-04-30
NL7402507A (fr)	1974-08-30

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