DK500588A - DIGITAL RADIO TRANSMISSION METHOD FOR WIRELESS PHONES - Google Patents
DIGITAL RADIO TRANSMISSION METHOD FOR WIRELESS PHONESInfo
- Publication number
- DK500588A DK500588A DK500588A DK500588A DK500588A DK 500588 A DK500588 A DK 500588A DK 500588 A DK500588 A DK 500588A DK 500588 A DK500588 A DK 500588A DK 500588 A DK500588 A DK 500588A
- Authority
- DK
- Denmark
- Prior art keywords
- transmission method
- radio transmission
- digital radio
- wireless phones
- phones
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873730672 DE3730672A1 (en) | 1987-09-12 | 1987-09-12 | DIGITAL RADIO TRANSMISSION METHOD FOR WIRELESS TELEPHONES |
Publications (2)
Publication Number | Publication Date |
---|---|
DK500588D0 DK500588D0 (en) | 1988-09-09 |
DK500588A true DK500588A (en) | 1989-03-13 |
Family
ID=6335868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK500588A DK500588A (en) | 1987-09-12 | 1988-09-09 | DIGITAL RADIO TRANSMISSION METHOD FOR WIRELESS PHONES |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0307545A3 (en) |
DE (1) | DE3730672A1 (en) |
DK (1) | DK500588A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2702623B3 (en) * | 1993-03-12 | 1995-01-20 | Sagem | Proximity radiotelephony digital data transceiver. |
KR19980021370A (en) * | 1996-09-16 | 1998-06-25 | 김광호 | Method and device for prevention of eavesdropping on call of wireless telephone |
IT1303016B1 (en) * | 1998-04-17 | 2000-10-20 | Maffioli Giampaolo | VEHICULAR ANTI-THEFT DEVICE WITH VOICE SIGNALER |
DE10103926A1 (en) | 2001-01-30 | 2002-09-05 | Infineon Technologies Ag | Frequency scheme for data transmission systems |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434322A (en) * | 1965-08-19 | 1984-02-28 | Racal Data Communications Inc. | Coded data transmission system |
DE3236194A1 (en) * | 1982-09-30 | 1984-04-05 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | CORDLESS TELEPHONE |
JPS6148246A (en) * | 1984-08-16 | 1986-03-08 | Matsushita Electric Ind Co Ltd | Privacy call device for radiotelephone set |
-
1987
- 1987-09-12 DE DE19873730672 patent/DE3730672A1/en not_active Withdrawn
-
1988
- 1988-05-28 EP EP19880108558 patent/EP0307545A3/en not_active Withdrawn
- 1988-09-09 DK DK500588A patent/DK500588A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK500588D0 (en) | 1988-09-09 |
DE3730672A1 (en) | 1989-03-23 |
EP0307545A3 (en) | 1991-05-15 |
EP0307545A2 (en) | 1989-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |