JPS5826864B2 - 無線電話方式 - Google Patents

無線電話方式

Info

Publication number
JPS5826864B2
JPS5826864B2 JP52157173A JP15717377A JPS5826864B2 JP S5826864 B2 JPS5826864 B2 JP S5826864B2 JP 52157173 A JP52157173 A JP 52157173A JP 15717377 A JP15717377 A JP 15717377A JP S5826864 B2 JPS5826864 B2 JP S5826864B2
Authority
JP
Japan
Prior art keywords
subscriber
keyword
encryption device
subscribers
keywords
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.)
Expired
Application number
JP52157173A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5384602A (en
Inventor
ヨーゼフ・ブルツシユ
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 Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of JPS5384602A publication Critical patent/JPS5384602A/ja
Publication of JPS5826864B2 publication Critical patent/JPS5826864B2/ja
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP52157173A 1976-12-30 1977-12-26 無線電話方式 Expired JPS5826864B2 (ja)

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=5997076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52157173A Expired JPS5826864B2 (ja) 1976-12-30 1977-12-26 無線電話方式

Country Status (10)

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

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
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
DE3439159A1 (de) * 1984-01-25 1986-04-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Gegen leistungserschleichung gesichertes waehlverfahren
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 (da) * 1973-03-09 1974-11-04 Philips Svenska Ab

Also Published As

Publication number Publication date
DE2659622C2 (de) 1979-01-04
AT360593B (de) 1981-01-26
FR2376574A1 (fr) 1978-07-28
BE862540A (fr) 1978-04-14
DK585277A (da) 1978-07-01
IT1089194B (it) 1985-06-18
GB1584579A (en) 1981-02-11
NL7714545A (nl) 1978-07-04
NL176823B (nl) 1985-01-02
DK148049B (da) 1985-02-11
NL176823C (nl) 1985-06-03
ATA938977A (de) 1980-06-15
FR2376574B1 (da) 1980-08-22
DE2659622B1 (de) 1978-05-11
CH625650A5 (en) 1981-09-30
JPS5384602A (en) 1978-07-26

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