AU4052578A - Alarm system - Google Patents

Alarm system

Info

Publication number
AU4052578A
AU4052578A AU40525/78A AU4052578A AU4052578A AU 4052578 A AU4052578 A AU 4052578A AU 40525/78 A AU40525/78 A AU 40525/78A AU 4052578 A AU4052578 A AU 4052578A AU 4052578 A AU4052578 A AU 4052578A
Authority
AU
Australia
Prior art keywords
alarm system
alarm
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
AU40525/78A
Inventor
David John Blair
Robert Lyon Gray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PROCESSOR ENTERPRISES Ltd
Original Assignee
PROCESSOR ENTERPRISES Ltd
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 PROCESSOR ENTERPRISES Ltd filed Critical PROCESSOR ENTERPRISES Ltd
Publication of AU4052578A publication Critical patent/AU4052578A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
AU40525/78A 1977-10-13 1978-10-09 Alarm system Pending AU4052578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ18542577 1977-10-13

Publications (1)

Publication Number Publication Date
AU4052578A true AU4052578A (en) 1980-04-17

Family

ID=19918253

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40525/78A Pending AU4052578A (en) 1977-10-13 1978-10-09 Alarm system

Country Status (2)

Country Link
AU (1) AU4052578A (en)
GB (1) GB2005964A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356348A (en) * 1979-12-07 1982-10-26 Digital Products Corporation Techniques for detecting a condition of response on a telephone line
EP0047267A4 (en) * 1980-03-10 1982-07-12 Denis James Morgan Communication system.
US4492820A (en) * 1980-10-24 1985-01-08 Salt Lake Communications, Inc. Telephone alarm system
US4405833A (en) * 1981-06-17 1983-09-20 Tbs International, Inc. Telephone call progress tone and answer identification circuit
US4558181A (en) * 1983-04-27 1985-12-10 Phonetics, Inc. Portable device for monitoring local area
US4716582A (en) * 1983-04-27 1987-12-29 Phonetics, Inc. Digital and synthesized speech alarm system
FR2548415B1 (en) * 1983-06-30 1986-04-25 Black & Decker Inc INSTALLATION FOR TRANSMITTING AN ALARM SIGNAL, BY TELEPHONE, FROM A TRANSMITTING STATION TO A RECEIVING STATION
US4667065A (en) * 1985-02-28 1987-05-19 Bangerter Richard M Apparatus and methods for electrical signal discrimination
FR2584217B1 (en) * 1985-06-27 1987-10-23 Fayette Claude CENTER OF REMOTE MONITORING AND DISCRETE AND HIGH SECURITY TELEALARM.
FI77344C (en) * 1987-10-15 1989-02-10 Sostel Oy TILL ETT TELEFONNAET ANSLUTBAR INTELLIGENT ALARMANORDNING.
GB2250400B (en) * 1990-10-19 1995-01-18 David Brown Mcdougall Automatic repertory dialler control systems

Also Published As

Publication number Publication date
GB2005964A (en) 1979-04-25

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