CH556070A - Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer. - Google Patents
Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer.Info
- Publication number
- CH556070A CH556070A CH921973A CH921973A CH556070A CH 556070 A CH556070 A CH 556070A CH 921973 A CH921973 A CH 921973A CH 921973 A CH921973 A CH 921973A CH 556070 A CH556070 A CH 556070A
- Authority
- CH
- Switzerland
- Prior art keywords
- protection system
- ultrasonic transmitter
- ultrasound receiver
- room protection
- room
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
- G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH921973A CH556070A (de) | 1973-06-25 | 1973-06-25 | Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer. |
DE19742423277 DE2423277C2 (de) | 1973-06-25 | 1974-05-14 | Mit Ultraschall nach dem Doppler-Prinzip arbeitende Raumschutzanlage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH921973A CH556070A (de) | 1973-06-25 | 1973-06-25 | Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH556070A true CH556070A (de) | 1974-11-15 |
Family
ID=4349634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH921973A CH556070A (de) | 1973-06-25 | 1973-06-25 | Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH556070A (de) |
DE (1) | DE2423277C2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113512B1 (de) * | 1982-12-02 | 1987-04-22 | LUCAS INDUSTRIES public limited company | Bewegungsmelder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE759559A (fr) * | 1969-12-03 | 1971-04-30 | Cerberus Ag | Dispositif pour detecter un incendie ou des flammes |
CH537066A (de) * | 1971-04-08 | 1973-05-15 | Cerberus Ag | Flammen-Detektor |
US3801977A (en) * | 1971-12-07 | 1974-04-02 | Gulf & Western Mfg Co | Ultrasonic alarm circuit |
-
1973
- 1973-06-25 CH CH921973A patent/CH556070A/de not_active IP Right Cessation
-
1974
- 1974-05-14 DE DE19742423277 patent/DE2423277C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2423277C2 (de) | 1982-06-16 |
DE2423277A1 (de) | 1975-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH558117A (de) | Catv-system mit den empfaengern zugeordneten signalumsetzern. | |
NL178044C (nl) | Omroepontvanger. | |
RO63058A (fr) | Installation de forage | |
IT985694B (it) | Trasmissione e suoi comandi | |
DK133410C (da) | Ultralydfjernstyret modtager | |
NL7312742A (nl) | Aftakaansluitstuk en buisverbinding verkregen met een dergelijk aftakaansluitstuk. | |
SE7807113L (sv) | Ultraljudsendare | |
CH532456A (fr) | Unité de poinçonnage | |
NL149347B (nl) | Transmissiestelsel met gerichte radioverbindingen. | |
CA953378A (en) | Acoustic-wave transmitting device | |
CH558541A (de) | Mischung mit nematischen eigenschaften. | |
BE799413A (fr) | Systeme de reception et d'emission d'alarme, | |
SU439990A3 (ru) | Способ плучения полимеров или сополимеров этилена | |
NL164435C (nl) | Ontvanginrichting. | |
NL178739C (nl) | Stereo zend- en ontvanginrichting. | |
CH556070A (de) | Raumschutz-anlage mit mindestens einem ultraschallsender und mindestens einem ultraschall-aufnehmer. | |
ES188918Y (es) | Dispositivo de acoplamiento. | |
SE7611218L (sv) | Katalysatorer samt forfarande vari de anvendes | |
NL152364B (nl) | Puls-doppler-radarstelsel met afstandskanalen. | |
NL7408866A (nl) | Radarontvanger. | |
CH552815A (fr) | Recepteur radar aeroporte de recherche et de telemetrie. | |
NL148162B (nl) | Puls-doppler-radarontvanger. | |
CA1011250A (en) | Roofing granules having algicidal properties | |
CH547503A (de) | Ultraschall-dopplergeraet. | |
CA950108A (en) | Acoustic detection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |