IN163475B - - Google Patents
Info
- Publication number
- IN163475B IN163475B IN779/CAL/85A IN779CA1985A IN163475B IN 163475 B IN163475 B IN 163475B IN 779CA1985 A IN779CA1985 A IN 779CA1985A IN 163475 B IN163475 B IN 163475B
- Authority
- IN
- India
- Prior art keywords
- jamming
- sound pulses
- potential enemy
- communication
- jammers
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Transmission System (AREA)
- Developing Agents For Electrophotography (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3445312 | 1984-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN163475B true IN163475B (de) | 1988-10-01 |
Family
ID=6252587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN779/CAL/85A IN163475B (de) | 1984-12-12 | 1985-11-04 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0184811B1 (de) |
AT (1) | ATE61503T1 (de) |
DE (1) | DE3582023D1 (de) |
ES (1) | ES8701442A1 (de) |
FI (1) | FI79216C (de) |
IN (1) | IN163475B (de) |
NO (1) | NO166308C (de) |
PT (1) | PT81651B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10016133C2 (de) * | 2000-03-31 | 2002-06-20 | Siemens Ag | Verfahren zum Sichern einer berührungslosen Signalübertragung von einem Sender zu einem Empfänger sowie Signalübertragungseinrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE521991C (de) * | 1928-08-17 | 1931-03-28 | Telefunken Gmbh | Verfahren zur geheimen UEbermittlung í¬ insbesondere von Telephoniestroemen í¬ mittels modulierter Hochfrequenz |
CH559483A5 (de) * | 1973-06-12 | 1975-02-28 | Patelhold Patentverwertung | |
DE2952158A1 (de) * | 1979-12-22 | 1981-06-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Funk-nachrichtenuebertragungsverfahren mit begrenzten, insbesondere sehr kurzen sendezeiten und empfaenger hierfuer |
DE3012513C2 (de) * | 1980-03-31 | 1984-04-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Überwachung analoger und digitaler Funkverbindungen |
JPS58198934A (ja) * | 1982-05-17 | 1983-11-19 | Sony Corp | 秘話装置 |
GB2128453A (en) * | 1982-10-08 | 1984-04-26 | Philips Electronic Associated | System identification in communications systems |
-
1985
- 1985-11-04 IN IN779/CAL/85A patent/IN163475B/en unknown
- 1985-12-09 EP EP85115658A patent/EP0184811B1/de not_active Expired - Lifetime
- 1985-12-09 DE DE8585115658T patent/DE3582023D1/de not_active Expired - Fee Related
- 1985-12-09 AT AT85115658T patent/ATE61503T1/de not_active IP Right Cessation
- 1985-12-11 FI FI854900A patent/FI79216C/fi not_active IP Right Cessation
- 1985-12-11 PT PT81651A patent/PT81651B/pt active IP Right Grant
- 1985-12-12 ES ES549878A patent/ES8701442A1/es not_active Expired
- 1985-12-12 NO NO855007A patent/NO166308C/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI79216B (fi) | 1989-07-31 |
EP0184811A3 (en) | 1988-01-13 |
FI854900A0 (fi) | 1985-12-11 |
PT81651B (pt) | 1994-07-29 |
FI854900A (fi) | 1986-06-13 |
DE3582023D1 (de) | 1991-04-11 |
NO166308B (no) | 1991-03-18 |
EP0184811B1 (de) | 1991-03-06 |
ES8701442A1 (es) | 1986-11-16 |
ES549878A0 (es) | 1986-11-16 |
NO166308C (no) | 1991-06-26 |
NO855007L (no) | 1986-06-13 |
PT81651A (pt) | 1986-06-11 |
FI79216C (fi) | 1989-11-10 |
ATE61503T1 (de) | 1991-03-15 |
EP0184811A2 (de) | 1986-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2269212A1 (en) | Method for wireless information transfer | |
EP0624968A3 (de) | Übertragungsanordnung für Bild und Audio mit graphischer Aufzeichnungsmöglichkeit | |
WO2004019529A3 (en) | Beacon signaling in a wireless system | |
CA2634337A1 (en) | Adaptive power control for a spread-spectrum transmitter | |
GB1521671A (en) | Data transmission system and application thereof to the transmission of analogue signals and of data in a network with delta modulation | |
PL307270A1 (en) | Method of transmitting measurement data | |
IN163475B (de) | ||
JPS5620367A (en) | Calling-subscriber discrimination-response system | |
EP0350947A3 (de) | Funkkanalsteuerungsverfahren | |
DE19917196C2 (de) | Verfahren zur Übermittlung der auf einem Anrufbeantworter eines angerufenen Funkgeräts zur Verfügung stehenden Sprechzeit und Funkgerät mit einem Anrufbeantworter | |
JPS6451861A (en) | Composite terminal equipment | |
DK0394895T3 (da) | Kommunikationsadapter til fjernvirkningsterminal | |
EP0402890A3 (de) | Zwischenstelle in einer Nachrichtenübertragungsstrecke | |
JPS6453644A (en) | Privacy communicating equipment | |
DE58908783D1 (de) | Vorrichtung zur Übertragung von Audioinformationen und/oder digitalen Informationen. | |
DE2529237A1 (de) | Fas-fernmelde-alarm-system | |
JPS5399803A (en) | Separating signal system for subscriber's line | |
CA2019233A1 (en) | Method and apparatus for providing on-hook transmission for digital loop carrier channel units | |
JPS5763948A (en) | Signal transmission system | |
DE3061679D1 (en) | Simplex radio communication system with control of the communication direction from a single station | |
JPS55143479A (en) | Automatic calling/answering unit for rainfall alarm | |
JPS56103569A (en) | Test system for facsimile terminal | |
JPS56149167A (en) | Audible-tone sending method of digital exchange | |
JPS56132891A (en) | Call start connecting system | |
JPS51144103A (en) | Signal transmission indication system using suscriber#s lin e |