AU613366B2 - Improvements in or relating to alarms - Google Patents

Improvements in or relating to alarms

Info

Publication number
AU613366B2
AU613366B2 AU16020/88A AU1602088A AU613366B2 AU 613366 B2 AU613366 B2 AU 613366B2 AU 16020/88 A AU16020/88 A AU 16020/88A AU 1602088 A AU1602088 A AU 1602088A AU 613366 B2 AU613366 B2 AU 613366B2
Authority
AU
Australia
Prior art keywords
alarms
relating
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.)
Ceased
Application number
AU16020/88A
Other versions
AU1602088A (en
Inventor
Graydon Aubrey Shepherd
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU1602088A publication Critical patent/AU1602088A/en
Application granted granted Critical
Publication of AU613366B2 publication Critical patent/AU613366B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU16020/88A 1987-05-06 1988-05-06 Improvements in or relating to alarms Ceased AU613366B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ220217 1987-05-06
NZ22021787A NZ220217A (en) 1987-05-06 1987-05-06 Pyro-electric sensor circuit

Publications (2)

Publication Number Publication Date
AU1602088A AU1602088A (en) 1988-12-15
AU613366B2 true AU613366B2 (en) 1991-08-01

Family

ID=19922058

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16020/88A Ceased AU613366B2 (en) 1987-05-06 1988-05-06 Improvements in or relating to alarms

Country Status (2)

Country Link
AU (1) AU613366B2 (en)
NZ (1) NZ220217A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679081A (en) * 1984-11-09 1987-07-07 Nec Corporation System for coding video signal in block unit
US4825079A (en) * 1986-05-30 1989-04-25 Sumitomo Metal Company Limited Pyroelectric infrared detector
US4827133A (en) * 1985-10-19 1989-05-02 Richard Hirschmann Radiotechnisches Werk Infrared space surveillance detector circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679081A (en) * 1984-11-09 1987-07-07 Nec Corporation System for coding video signal in block unit
US4827133A (en) * 1985-10-19 1989-05-02 Richard Hirschmann Radiotechnisches Werk Infrared space surveillance detector circuit
US4825079A (en) * 1986-05-30 1989-04-25 Sumitomo Metal Company Limited Pyroelectric infrared detector

Also Published As

Publication number Publication date
NZ220217A (en) 1991-03-26
AU1602088A (en) 1988-12-15

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