BE862540A - Systeme de radiotelephonie - Google Patents

Systeme de radiotelephonie

Info

Publication number: BE862540A
Authority: BE; Belgium
Prior art keywords: radiotelephony system; radiotelephony
Prior art date: 1976-12-30

Application number

BE184023A

Other languages

English (en)

French (fr)

Original Assignee

Siemens Ag

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.)

1976-12-30

Filing date

1977-12-30

Publication date

1978-04-14

1977-12-30 Application filed by Siemens Ag filed Critical Siemens Ag

1978-04-14 Publication of BE862540A publication Critical patent/BE862540A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible

Landscapes

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

BE184023A 1976-12-30 1977-12-30 Systeme de radiotelephonie BE862540A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2659622A DE2659622C2 (de)	1976-12-30	1976-12-30	Funktelefoniesystem

Publications (1)

Publication Number	Publication Date
BE862540A true BE862540A (fr)	1978-04-14

Family

ID=5997076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE184023A BE862540A (fr)	1976-12-30	1977-12-30	Systeme de radiotelephonie

Country Status (10)

Country	Link
JP (1)	JPS5826864B2 (xx)
AT (1)	AT360593B (xx)
BE (1)	BE862540A (xx)
CH (1)	CH625650A5 (xx)
DE (1)	DE2659622C2 (xx)
DK (1)	DK148049B (xx)
FR (1)	FR2376574A1 (xx)
GB (1)	GB1584579A (xx)
IT (1)	IT1089194B (xx)
NL (1)	NL176823C (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2927885A1 (de) *	1979-07-11	1981-01-29	Bosch Gmbh Robert	Funkanlage mit einer zentralstation und mehreren, vorzugsweise mobilen sende-/empfangsstationen
DE3150254A1 (de) *	1981-04-13	1983-07-14	Siemens AG, 1000 Berlin und 8000 München	Einrichtung zur verschluesselten digitalen informationsuebertragung
US4549308A (en) *	1982-07-12	1985-10-22	At&T Bell Laboratories	Secure mobile radio telephony
DE3335672A1 (de) *	1983-09-30	1985-04-04	Siemens AG, 1000 Berlin und 8000 München	Verfahren zur verschluesselten nachrichtenuebertragung
DE3439159A1 (de) *	1984-01-25	1986-04-30	Philips Kommunikations Industrie AG, 8500 Nürnberg	Gegen leistungserschleichung gesichertes waehlverfahren
DE3402467A1 (de) *	1984-01-25	1985-08-01	Philips Kommunikations Industrie AG, 8500 Nürnberg	Gegen leistungserschleichung gesichertes waehlverfahren fuer die teilnehmer eines funknetzes, insbesondere mobilfunknetzes
DE3410936C2 (de) *	1984-03-24	1997-09-18	Philips Patentverwaltung	Verfahren zum Erkennen der unerlaubten Benutzung einer, einer beweglichen Funkstation zugeordneten Identifizierung in einem Funkübertragungssystem
DE3420874A1 (de) *	1984-06-05	1985-12-05	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Verfahren und anordnung zur kontrolle des netzzugangs in fernmeldenetzen
DE3439120A1 (de) *	1984-10-25	1986-05-07	Philips Kommunikations Industrie AG, 8500 Nürnberg	Verfahren zur identifizierung einer teilnehmerstation eines fernmeldenetzes
JPS61199342A (ja) *	1985-02-28	1986-09-03	Tamura Electric Works Ltd	コ−ドレス電話装置
DE4242151C1 (de) *	1992-12-14	1994-03-24	Detecon Gmbh	Verfahren zur Sicherung eines Mobilfunkgerätes gegen unerlaubte Benutzung
DE4336995A1 (de) *	1993-10-29	1995-05-04	Sel Alcatel Ag	Verfahren und Vorrichtung zur Bestimmung der Zuordnung eines Mobilfunkgerätes zu Geräte-Listen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE371064B (xx) *	1973-03-09	1974-11-04	Philips Svenska Ab

1976
- 1976-12-30 DE DE2659622A patent/DE2659622C2/de not_active Expired
1977
- 1977-12-05 CH CH1481177A patent/CH625650A5/de not_active IP Right Cessation
- 1977-12-19 FR FR7738247A patent/FR2376574A1/fr active Granted
- 1977-12-22 IT IT31081/77A patent/IT1089194B/it active
- 1977-12-26 JP JP52157173A patent/JPS5826864B2/ja not_active Expired
- 1977-12-29 DK DK585277AA patent/DK148049B/da not_active Application Discontinuation
- 1977-12-29 GB GB54071/77A patent/GB1584579A/en not_active Expired
- 1977-12-29 AT AT938977A patent/AT360593B/de not_active IP Right Cessation
- 1977-12-29 NL NLAANVRAGE7714545,A patent/NL176823C/xx not_active IP Right Cessation
- 1977-12-30 BE BE184023A patent/BE862540A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2376574A1 (fr)	1978-07-28
ATA938977A (de)	1980-06-15
CH625650A5 (en)	1981-09-30
NL176823C (nl)	1985-06-03
NL176823B (nl)	1985-01-02
DE2659622B1 (de)	1978-05-11
DE2659622C2 (de)	1979-01-04
GB1584579A (en)	1981-02-11
JPS5384602A (en)	1978-07-26
DK148049B (da)	1985-02-11
AT360593B (de)	1981-01-26
NL7714545A (nl)	1978-07-04
JPS5826864B2 (ja)	1983-06-06
DK585277A (da)	1978-07-01
FR2376574B1 (xx)	1980-08-22
IT1089194B (it)	1985-06-18

Publication	Publication Date	Title
BE859268A (fr)	1978-01-16	Systeme de radiocommunications
FR2392712B1 (fr)	1986-08-01	Systeme extracteur-melangeur
SE428583B (sv)	1983-07-11	Dubbelkylsystem
FR2346025A1 (fr)	1977-10-28	Systeme respiratoire
FR2274177A1 (fr)	1976-01-02	Systeme de radiotelephonie
PL205859A1 (pl)	1979-04-09	Uklad walu pierscieniowego
BE863067A (nl)	1978-05-16	Bypass - doorspoelsysteem
DK97477A (da)	1977-09-09	Radarmodtager
DK360877A (da)	1978-02-14	Interferensafvisende radaranleg
FR2299773A1 (fr)	1976-08-27	Systeme
FR2344849A1 (fr)	1977-10-14	Systeme de radio-interferometrie
DK310277A (da)	1978-01-14	Strommalesystem
FR2352452A1 (fr)	1977-12-16	Systeme de transmission unilaterale
SE7803498L (sv)	1978-10-01	Antennsystem
BE861695A (fr)	1978-03-31	Systeme de calculateur
FR2347550A1 (fr)	1977-11-04	Systeme de pompage
DK431377A (da)	1978-03-31	Mobilt koeleanlaeg
BE862540A (fr)	1978-04-14	Systeme de radiotelephonie
FR2300363A1 (fr)	1976-09-03	Systeme de reglage auto-adap
NO772757L (no)	1978-02-07	Marint radaranlegg.
BE856800A (fr)	1978-01-16	Systeme aqueux chimioluminescents
NL7700032A (nl)	1977-07-07	Radarstelsel.
BE851924A (fr)	1977-08-29	Systeme haut-parleur
NL7802584A (nl)	1978-09-13	Antennestelsel.
BE852845A (fr)	1977-07-18	Systeme de radiotelephonie

Legal Events

Date	Code	Title	Description
1985-06-30	RE	Patent lapsed	Owner name: SIEMENS A.G. Effective date: 19841230

Date

Code

Title

Description

1985-06-30

Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19841230