NL176823C - RADIO TELEPHONE SYSTEM. - Google Patents

RADIO TELEPHONE SYSTEM.

Info

Publication number: NL176823C
Authority: NL; Netherlands
Prior art keywords: telephone system; radio telephone; radio; telephone
Prior art date: 1976-12-30

Application number

NLAANVRAGE7714545,A

Other languages

Dutch (nl)

Other versions

NL7714545A (en

NL176823B (en

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

1977-12-29

Publication date

1985-06-03

1977-12-29 Application filed by Siemens Ag filed Critical Siemens Ag

1978-07-04 Publication of NL7714545A publication Critical patent/NL7714545A/en

1985-01-02 Publication of NL176823B publication Critical patent/NL176823B/en

1985-06-03 Application granted granted Critical

1985-06-03 Publication of NL176823C publication Critical patent/NL176823C/en

Links

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)

NLAANVRAGE7714545,A 1976-12-30 1977-12-29 RADIO TELEPHONE SYSTEM. NL176823C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2659622A DE2659622C2 (en)	1976-12-30	1976-12-30	Radiotelephony system

Publications (3)

Publication Number	Publication Date
NL7714545A NL7714545A (en)	1978-07-04
NL176823B NL176823B (en)	1985-01-02
NL176823C true NL176823C (en)	1985-06-03

Family

ID=5997076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7714545,A NL176823C (en)	1976-12-30	1977-12-29	RADIO TELEPHONE SYSTEM.

Country Status (10)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2927885A1 (en) *	1979-07-11	1981-01-29	Bosch Gmbh Robert	Radio communication security system - has mobile transceivers, each using dedicated code which is decoded at main station from call number
DE3150254A1 (en) *	1981-04-13	1983-07-14	Siemens AG, 1000 Berlin und 8000 München	DEVICE FOR ENCRYPTED DIGITAL INFORMATION TRANSFER
US4549308A (en) *	1982-07-12	1985-10-22	At&T Bell Laboratories	Secure mobile radio telephony
DE3335672A1 (en) *	1983-09-30	1985-04-04	Siemens AG, 1000 Berlin und 8000 München	ENCRYPTED MESSAGE TRANSMISSION METHOD
DE3402467A1 (en) *	1984-01-25	1985-08-01	Philips Kommunikations Industrie AG, 8500 Nürnberg	Dialling method protected against fraudulent use, for the subscribers of a radio network, in particular a mobile radio network
DE3439159A1 (en) *	1984-01-25	1986-04-30	Philips Kommunikations Industrie AG, 8500 Nürnberg	Dialling method secured against fraudulent use
DE3410936C2 (en) *	1984-03-24	1997-09-18	Philips Patentverwaltung	Method for recognizing the unauthorized use of an identification assigned to a mobile radio station in a radio transmission system
DE3420874A1 (en) *	1984-06-05	1985-12-05	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Method and arrangement for monitoring network access in telecommunications networks
DE3439120A1 (en) *	1984-10-25	1986-05-07	Philips Kommunikations Industrie AG, 8500 Nürnberg	Method for identifying a subscriber station of a telecommunications network
JPS61199342A (en) *	1985-02-28	1986-09-03	Tamura Electric Works Ltd	Cordless telephone set
DE4242151C1 (en) *	1992-12-14	1994-03-24	Detecon Gmbh	Protecting mobile radio, e.g. telephone, against unauthorised use - comparing authentication parameter from input code to stored parameter, only allowing use if they match.
DE4336995A1 (en) *	1993-10-29	1995-05-04	Sel Alcatel Ag	Method and device for determining the assignment of a mobile radio device to device lists

Family Cites Families (1)

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

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

Also Published As

Publication number	Publication date
DK148049B (en)	1985-02-11
BE862540A (en)	1978-04-14
DE2659622B1 (en)	1978-05-11
FR2376574B1 (en)	1980-08-22
JPS5826864B2 (en)	1983-06-06
NL7714545A (en)	1978-07-04
IT1089194B (en)	1985-06-18
DK585277A (en)	1978-07-01
ATA938977A (en)	1980-06-15
GB1584579A (en)	1981-02-11
JPS5384602A (en)	1978-07-26
NL176823B (en)	1985-01-02
DE2659622C2 (en)	1979-01-04
CH625650A5 (en)	1981-09-30
AT360593B (en)	1981-01-26
FR2376574A1 (en)	1978-07-28

Legal Events

Date	Code	Title
1979-06-25	BB	A search report has been drawn up
1979-07-25	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1985-08-16	V2	Lapsed due to non-payment of the last due maintenance fee for the patent application

Publication	Publication Date	Title
NL176825C (en)	1985-06-03	RADIO COMMUNICATION SYSTEM.
NL7607300A (en)	1978-01-04	AUTOMATIC RADIO TELEPHONY SYSTEM.
NL180796C (en)	1987-04-16	RADIO TELECOMMUNICATIONS SYSTEM.
NO773318L (en)	1978-03-31	RADIO SYSTEM.
NL177546C (en)	1985-10-01	RADIO COMMUNICATION SYSTEM.
NL7710046A (en)	1978-03-16	RADIO RECEIVER.
SE7506463L (en)	1975-12-11	RADIO TELEPHONE SYSTEM.
NL176824C (en)	1985-06-03	RADIO COMMUNICATION SYSTEM.
NL7700410A (en)	1977-07-19	RADIO DEVICE.
NL7702597A (en)	1977-09-26	RECEIVING ANTENNA.
NL7705358A (en)	1977-11-15	RADIO DEVICE.
NO783260L (en)	1979-04-02	MICROBOOLGE-DUPLEX RADIO SYSTEM.
NL176823C (en)	1985-06-03	RADIO TELEPHONE SYSTEM.
NL7609516A (en)	1977-03-02	COMMUNICATION SYSTEM.
NL188196C (en)	1992-04-16	RADIO RECEIVER.
NL7713405A (en)	1978-06-06	TELEPHONE SET.
NL7703800A (en)	1977-10-11	RADIO COMMUNICATION SYSTEM.
NL7703202A (en)	1977-09-27	RADIO COMMUNICATION SYSTEM.
NL178831C (en)	1986-05-16	COMMUNICATION SYSTEM.
NL7705919A (en)	1977-12-09	COMMUNICATION SYSTEM.
NL7703908A (en)	1977-10-11	RADIO RECEIVER.
NL7709590A (en)	1978-03-03	TELEPHONE SYSTEM.
NL7705477A (en)	1977-11-22	RADIO DEVICE.
NL187043C (en)	1991-05-01	RADIO TELEPHONE SYSTEM.
NL7608025A (en)	1977-01-25	COMMUNICATION SYSTEM.