CH618801A5 - - Google Patents
Download PDFInfo
- Publication number
- CH618801A5 CH618801A5 CH54177A CH54177A CH618801A5 CH 618801 A5 CH618801 A5 CH 618801A5 CH 54177 A CH54177 A CH 54177A CH 54177 A CH54177 A CH 54177A CH 618801 A5 CH618801 A5 CH 618801A5
- Authority
- CH
- Switzerland
- Prior art keywords
- voltage
- input
- circuit
- output
- circuit according
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/650,490 US4030095A (en) | 1976-01-19 | 1976-01-19 | Pulsed alarm system |
Publications (1)
Publication Number | Publication Date |
---|---|
CH618801A5 true CH618801A5 (xx) | 1980-08-15 |
Family
ID=24609138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH54177A CH618801A5 (xx) | 1976-01-19 | 1977-01-17 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4030095A (xx) |
JP (1) | JPS5290299A (xx) |
CA (1) | CA1051535A (xx) |
CH (1) | CH618801A5 (xx) |
DE (1) | DE2701614A1 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036029A1 (de) * | 1980-09-24 | 1982-05-06 | Industrie Technik IPS GmbH, 8000 München | Schaltungsanordnung zur leitungsueberwachung |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079363A (en) * | 1976-09-13 | 1978-03-14 | Potter Electric Signal Co. | Double-detecting loop type alarm system |
US4253091A (en) * | 1977-01-05 | 1981-02-24 | Mobil Oil Corporation | Method and apparatus for detection of alarm conditions |
US4194177A (en) * | 1977-11-25 | 1980-03-18 | Chevron Research Company | Transducer system for continuous monitoring liquid levels in storage tanks and the like |
US4171520A (en) * | 1977-11-25 | 1979-10-16 | Chevron Research Company | Transponder system including an oscillator/ripple counter controlling a fixed gray code logic network in circuit with a driver/gate circuit for generating "red-alert" end condition digital signals in a storage tank gauging system |
USRE31089E (en) * | 1977-11-25 | 1982-11-23 | Chevron Research Company | Transducer system for continuous monitoring liquid levels in _storage tanks and the like |
US4160239A (en) * | 1977-11-25 | 1979-07-03 | Chevron Research Company | Transponder system including an oscillator/ripple counter controlling a fixed Gray code logic network in circuit with a decoder/driver network for generating "red alert" end condition digital signals in a storage tank gauging system |
JPS577102Y2 (xx) * | 1978-02-16 | 1982-02-10 | ||
JPS6014399B2 (ja) * | 1978-05-04 | 1985-04-12 | ホーチキ株式会社 | 物理的変化量の監視装置 |
US4342985A (en) * | 1980-10-03 | 1982-08-03 | Firecom, Inc. | Remote sensing and control system |
US4375637A (en) * | 1981-02-24 | 1983-03-01 | Firecom, Inc. | Integrated alarm, security, building management, and communications system |
JPS6077134U (ja) * | 1983-10-31 | 1985-05-29 | シャープ株式会社 | 家屋内警備システムの送信器 |
DE3347483A1 (de) * | 1983-12-29 | 1985-07-11 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Vorrichtung zur sicherung geheimer informationen |
US4803465A (en) * | 1986-07-01 | 1989-02-07 | Honeywell Inc. | Apparatus for improving the reliability of an alarm circuit |
DE69021598T2 (de) * | 1989-01-31 | 1996-03-14 | Nohmi Bosai Ltd | Stromversorgungsanordnung für Feuermeldeanlagen. |
US6616498B1 (en) * | 2002-03-15 | 2003-09-09 | Arko Development Limited | Bubble generating assembly |
US6659831B2 (en) * | 2002-03-15 | 2003-12-09 | Arko Development Limited | Apparatus and method for delivering bubble solution to a dipping container |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE476742A (xx) * | 1946-05-21 | 1900-01-01 | ||
US2814795A (en) * | 1954-09-24 | 1957-11-26 | Robert J Spooner | Alarm systems |
US3626398A (en) * | 1968-08-21 | 1971-12-07 | Bendix Corp | Multiple display system |
US3631268A (en) * | 1969-05-08 | 1971-12-28 | Laser Systems Corp | Pulser for intruder detection systems |
US3588890A (en) * | 1969-06-02 | 1971-06-28 | Gen Motors Corp | Resistance sensing supervisory system |
GB1335301A (en) * | 1971-02-17 | 1973-10-24 | Int Computers Ltd | Monitoring and display apparatus |
US3701113A (en) * | 1971-08-13 | 1972-10-24 | Digital Equipment Corp | Analyzer for sequencer controller |
US3789242A (en) * | 1972-12-26 | 1974-01-29 | Bell Telephone Labor Inc | Overvoltage and undervoltage detection circuit |
US3848241A (en) * | 1973-03-15 | 1974-11-12 | Baker Ind Inc | Test and integrity equipment for a mcculloh system |
US3947811A (en) * | 1974-09-26 | 1976-03-30 | The Lucas Electrical Company Limited | Fault indicating systems in vehicles |
-
1976
- 1976-01-19 US US05/650,490 patent/US4030095A/en not_active Expired - Lifetime
- 1976-11-25 CA CA266,596A patent/CA1051535A/en not_active Expired
-
1977
- 1977-01-17 DE DE19772701614 patent/DE2701614A1/de not_active Withdrawn
- 1977-01-17 CH CH54177A patent/CH618801A5/de not_active IP Right Cessation
- 1977-01-19 JP JP403977A patent/JPS5290299A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036029A1 (de) * | 1980-09-24 | 1982-05-06 | Industrie Technik IPS GmbH, 8000 München | Schaltungsanordnung zur leitungsueberwachung |
Also Published As
Publication number | Publication date |
---|---|
DE2701614A1 (de) | 1977-07-21 |
JPS5290299A (en) | 1977-07-29 |
CA1051535A (en) | 1979-03-27 |
US4030095A (en) | 1977-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH618801A5 (xx) | ||
DE4441070C2 (de) | Sicherheitsschalteranordnung | |
DE2935335C2 (de) | Gleichstrommeldeanlage | |
DE2204101B1 (de) | Feuermeldeanlage | |
DE1219981B (de) | Ringzaehler | |
DE3429060A1 (de) | Ueberwachungseinrichtung mit mehreren in reihe geschalteten schaltern | |
DE19532677B4 (de) | Überwachungsschaltung für wenigstens eine Versorgungsspannung | |
DE68918573T2 (de) | Differentialschutzrelais. | |
DE2840848A1 (de) | Fluessigkeitspegel-ueberwachungssystem | |
DE3036029C2 (de) | Schaltungsanordnung zur Überwachung einer Verbindungsleitung | |
EP0660042B1 (de) | Schaltungsanordnung zur Kopplung von spannungsführenden Leitungen mit einem Mikroprozessor | |
EP0503122B1 (de) | Anordnung zum Umschalten von Meldeprimärleitungen bei Störungen | |
DE4232223A1 (de) | Spannungsspitzenzaehler | |
DE2710046A1 (de) | Brandmeldesystem | |
DE1271778B (de) | Elektronische Schaltungsanordnung zum Nachweis von Stoerungen von Verstaerkern und Umschaltanordnung auf gleichartige Ersatzgeraete | |
DE2261179C3 (de) | Meldeeinrichtung, insbesondere zur Brandmeldung | |
EP0149097A2 (de) | Verfahren und Anordnung zur störungssicheren Alarmauswertung einer Meldelinie einer Gefahrenmeldeanlage | |
DE2749660A1 (de) | Melde- und alarmeinrichtung mit einem oder mehreren binaeren meldern | |
EP0995250B1 (de) | Überwachungseinrichtung für elektrische sicherungen | |
DE2811523C3 (de) | Überwachungsschaltung für trägerfrequente Nachrichtenübertragungssysteme | |
DE2429564C3 (de) | Prüfeinrichtung zur Feststellung von Schlüssen zwischen nebeneinander geführten Leitungen | |
DE1537898C (de) | Prüfeinrichtung fur eine mehrere Kop pelstufen umfassende Koppelanordnung | |
DE3314187A1 (de) | Diebstahlsicherung fuer waren | |
DE2213921C2 (de) | Elektronisches kurzschlußsicheres Schaltersystem | |
DE2048195C (de) | Schaltungsanordnung zur Überwachung zweier parallel arbeitender Wechselstromoder Taktgeneratoren in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |