IT1180064B - ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL - Google Patents

ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL

Info

Publication number
IT1180064B
IT1180064B IT67390/84A IT6739084A IT1180064B IT 1180064 B IT1180064 B IT 1180064B IT 67390/84 A IT67390/84 A IT 67390/84A IT 6739084 A IT6739084 A IT 6739084A IT 1180064 B IT1180064 B IT 1180064B
Authority
IT
Italy
Prior art keywords
telephone
signal transmitter
transmitter device
active signal
alarm signals
Prior art date
Application number
IT67390/84A
Other languages
Italian (it)
Other versions
IT8467390A0 (en
IT8467390A1 (en
Inventor
Massimo Mondardini
Original Assignee
Urmet Sud Costr Elett Telefon
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 Urmet Sud Costr Elett Telefon filed Critical Urmet Sud Costr Elett Telefon
Priority to IT67390/84A priority Critical patent/IT1180064B/en
Publication of IT8467390A0 publication Critical patent/IT8467390A0/en
Publication of IT8467390A1 publication Critical patent/IT8467390A1/en
Application granted granted Critical
Publication of IT1180064B publication Critical patent/IT1180064B/en

Links

IT67390/84A 1984-04-18 1984-04-18 ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL IT1180064B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT67390/84A IT1180064B (en) 1984-04-18 1984-04-18 ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67390/84A IT1180064B (en) 1984-04-18 1984-04-18 ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL

Publications (3)

Publication Number Publication Date
IT8467390A0 IT8467390A0 (en) 1984-04-18
IT8467390A1 IT8467390A1 (en) 1985-10-18
IT1180064B true IT1180064B (en) 1987-09-23

Family

ID=11301993

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67390/84A IT1180064B (en) 1984-04-18 1984-04-18 ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL

Country Status (1)

Country Link
IT (1) IT1180064B (en)

Also Published As

Publication number Publication date
IT8467390A0 (en) 1984-04-18
IT8467390A1 (en) 1985-10-18

Similar Documents

Publication Publication Date Title
DK490988D0 (en) TELEPHONE MONITORING AND REPORTING SYSTEM
IT8421010A0 (en) TELEPHONE CALL SIGNAL GENERATOR.
AR226839A1 (en) ALARM TELEPHONE TRANSMITTER
IT8419796A0 (en) CIRCUIT FOR RECEIVING CALL SIGNALS ON A TELEPHONE LINE.
KR860700194A (en) Digital signal transmission device
IT1180064B (en) ACTIVE SIGNAL TRANSMITTER DEVICE PARTICULARLY ALARM SIGNALS ON DOUBLE TELEPHONE WITH AUTOMATIC PROGRAMMABLE TELEPHONE CALL
DE3579757D1 (en) CALL SIGNAL TRANSMISSION ARRANGEMENT.
JPS52106209A (en) Automatic answering telephone system with alarm signal
BR8801018A (en) ALARM CENTER WITH AUTOMATIC TELEPHONE DIALING
KR880018720U (en) Automatic telephone alarm
ES554785A0 (en) A REMOTE MEASUREMENT RECORDER INTENDED TO ESTABLISH AN AUTOMATIC COMMUNICATION OF MEASUREMENT DATA STORED WITH A CENTRAL COMPLEX THROUGH A TELEPHONE LINE.
IT1176928B (en) TELEPHONE ANSWERING SYSTEM
KR870015568U (en) Remote control signal detection circuit of telephone answering machine
KR870011509U (en) Remote control signal detection circuit of telephone answering machine
IT8323872A0 (en) VOLTAGE LIMITING DEVICE WITH AUTOMATIC EARTHING AND EQUIPPED WITH OPTICAL SIGNAL.
IT8320580A0 (en) MULTIFUNCTIONAL TELEPHONE SYSTEM WITH AUTOMATIC LINE RELEASE DEVICE, ADDITIONAL RINGER AND LINE UNAVAILABILITY SIGNAL.
BR8602507A (en) AUTOMATIC ALARM AND COMMUNICATION DEVICES
BR6400877U (en) ELECTRONIC ALARM SYSTEM THROUGH THE TELEPHONE LINE
BR6900949U (en) REMOTE CALL SIGNAL
ES539903A0 (en) AUTOMATIC TELECONTROL AND REMOTE MEASUREMENT SYSTEM FOR TELEPHONE TERMINAL LINES
KR860005408U (en) Ring signal agreement circuit of telephone answering device
KR870010889U (en) Remote control signal detection circuit of automatic answering device
NO810733L (en) DEVICE FOR OPTICAL NOTICE OF SIGNAL CONDITIONS ON A PHONE LINE.
NO832131L (en) DEVICE FOR AA GENERATE CODE SIGNAL FOR AA CALL ONE OF OWN RECEIVERS.
IT8631605V0 (en) BURGLAR ALARM WITH TELEPHONE ALERT