CH457202A - Multiple alarm system - Google Patents

Multiple alarm system

Info

Publication number
CH457202A
CH457202A CH302467A CH302467A CH457202A CH 457202 A CH457202 A CH 457202A CH 302467 A CH302467 A CH 302467A CH 302467 A CH302467 A CH 302467A CH 457202 A CH457202 A CH 457202A
Authority
CH
Switzerland
Prior art keywords
alarm system
multiple alarm
alarm
Prior art date
Application number
CH302467A
Other languages
German (de)
Inventor
Colman Robert
Original Assignee
Gen Alarm 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 Gen Alarm Corp filed Critical Gen Alarm Corp
Publication of CH457202A publication Critical patent/CH457202A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
CH302467A 1966-03-01 1967-02-28 Multiple alarm system CH457202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53100066A 1966-03-01 1966-03-01

Publications (1)

Publication Number Publication Date
CH457202A true CH457202A (en) 1968-05-31

Family

ID=24115856

Family Applications (1)

Application Number Title Priority Date Filing Date
CH302467A CH457202A (en) 1966-03-01 1967-02-28 Multiple alarm system

Country Status (7)

Country Link
US (1) US3466649A (en)
BE (1) BE694799A (en)
CH (1) CH457202A (en)
DE (1) DE1566699A1 (en)
FR (1) FR1512885A (en)
GB (1) GB1180444A (en)
SE (1) SE340773B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623086A (en) * 1968-11-06 1971-11-23 Schulmerich Mfg Co Solid state control system for striking bells
GB1412457A (en) * 1971-12-27 1975-11-05 Sumitomo Electric Industries Sound generator comprising a piezoelectric acoustic device
US3872470A (en) * 1973-04-18 1975-03-18 Airco Inc Audible signal generating apparatus having selectively controlled audible output
US4078209A (en) * 1977-03-11 1978-03-07 International Telephone And Telegraph Corporation Sound communication system with speaker protection for frequencies below a predetermined minimum
US4151520A (en) * 1977-07-25 1979-04-24 Full Elliott D Portable self-contained alarm with remote triggering capability
DE2931437C2 (en) * 1979-08-02 1981-09-24 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for controlling a signal loudspeaker
GB2151057A (en) * 1983-11-17 1985-07-10 Sakis Roy Alarm device
GB2238412A (en) * 1989-11-21 1991-05-29 Richard Bone Exit signalling device
US5293155A (en) * 1990-05-07 1994-03-08 Wheelock Inc. Interface for a supervised multi-input audible warning system
CN206585662U (en) * 2016-03-15 2017-10-24 Bot家庭自动化公司 Audio/Video Recording and Communications Doorbell
IT202200020319A1 (en) * 2022-10-03 2024-04-03 Vimar Spa SOUND DEVICE FOR ELECTRICAL SYSTEMS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455472A (en) * 1945-04-10 1948-12-07 Bell Telephone Labor Inc Method and system for electronically generating complex signals
US3196432A (en) * 1960-09-01 1965-07-20 Winston E Kock Transistorized door annunciator utilizing capacitor discharge
US3114114A (en) * 1960-11-09 1963-12-10 Robert R Atherton Voltage controlled ramp and pulse generator
US3183454A (en) * 1961-04-24 1965-05-11 Autophon Ag Circuit for providing sequences of pulses and intervals
US3210686A (en) * 1963-05-03 1965-10-05 Teletype Corp Unijunction oscillator with plural outputs depending on input control

Also Published As

Publication number Publication date
FR1512885A (en) 1968-02-09
DE1566699A1 (en) 1970-04-30
US3466649A (en) 1969-09-09
SE340773B (en) 1971-11-29
GB1180444A (en) 1970-02-04
BE694799A (en) 1967-08-28

Similar Documents

Publication Publication Date Title
AT284727B (en) Dropping system
AT270921B (en) System components
NL162763C (en) FIRE NOTIFICATION SYSTEM.
AT275365B (en) Fire alarm system
CH457201A (en) Alarm device
NL155428B (en) INFORMATION-REDUCING SYSTEM.
AT271057B (en) Refrigeration system
SE385516B (en) SIGNAL SYSTEM
AT276672B (en) Shelving system
CH457202A (en) Multiple alarm system
CH446131A (en) Ionization fire alarm system
DK122548B (en) Fire alarm.
FI54162B (en) ANORDNING FOER ATT I EN PAPPERSMASKINS TORKPARTI AOSTADKOMMA JAEMN TORKPROFIL
AT295225B (en) MILKING SYSTEM
CH428869A (en) Alarm transmission system
AT278436B (en) Mitesicides
AT277794B (en) Drum system
AT301006B (en) Kettsamtbahn
AT294006B (en) Fälzelgerät
CH483602A (en) heating system
CH469315A (en) Alarm transmission system
FR1499486A (en) Belinographic system
DK147925C (en) computer systems
CH437357A (en) Low water alarm
CH461368A (en) Conveyor system