JPS5384602A - Radio telephone system - Google Patents

Radio telephone system

Info

Publication number
JPS5384602A
JPS5384602A JP15717377A JP15717377A JPS5384602A JP S5384602 A JPS5384602 A JP S5384602A JP 15717377 A JP15717377 A JP 15717377A JP 15717377 A JP15717377 A JP 15717377A JP S5384602 A JPS5384602 A JP S5384602A
Authority
JP
Japan
Prior art keywords
telephone system
radio telephone
radio
telephone
Prior art date
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.)
Granted
Application number
JP15717377A
Other languages
Japanese (ja)
Other versions
JPS5826864B2 (en
Inventor
Burutsushiyu Yoozefu
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.)
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of JPS5384602A publication Critical patent/JPS5384602A/en
Publication of JPS5826864B2 publication Critical patent/JPS5826864B2/en
Expired legal-status Critical Current

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
JP52157173A 1976-12-30 1977-12-26 wireless telephone system Expired JPS5826864B2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5384602A true JPS5384602A (en) 1978-07-26
JPS5826864B2 JPS5826864B2 (en) 1983-06-06

Family

ID=5997076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52157173A Expired JPS5826864B2 (en) 1976-12-30 1977-12-26 wireless 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61199342A (en) * 1985-02-28 1986-09-03 Tamura Electric Works Ltd Cordless telephone set

Families Citing this family (11)

* 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
DE3439159A1 (en) * 1984-01-25 1986-04-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Dialling method secured against fraudulent use
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
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61199342A (en) * 1985-02-28 1986-09-03 Tamura Electric Works Ltd Cordless telephone set
JPH0420537B2 (en) * 1985-02-28 1992-04-03 Tamura Electric Works Ltd

Also Published As

Publication number Publication date
DE2659622B1 (en) 1978-05-11
IT1089194B (en) 1985-06-18
GB1584579A (en) 1981-02-11
JPS5826864B2 (en) 1983-06-06
DK148049B (en) 1985-02-11
NL7714545A (en) 1978-07-04
CH625650A5 (en) 1981-09-30
NL176823C (en) 1985-06-03
FR2376574B1 (en) 1980-08-22
ATA938977A (en) 1980-06-15
NL176823B (en) 1985-01-02
FR2376574A1 (en) 1978-07-28
AT360593B (en) 1981-01-26
DK585277A (en) 1978-07-01
DE2659622C2 (en) 1979-01-04
BE862540A (en) 1978-04-14

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