NL7700981A - Telephone system screening out unwanted signals - has switch-bank with settings for programming from subscriber and remote telephones - Google Patents

Telephone system screening out unwanted signals - has switch-bank with settings for programming from subscriber and remote telephones

Info

Publication number
NL7700981A
NL7700981A NL7700981A NL7700981A NL7700981A NL 7700981 A NL7700981 A NL 7700981A NL 7700981 A NL7700981 A NL 7700981A NL 7700981 A NL7700981 A NL 7700981A NL 7700981 A NL7700981 A NL 7700981A
Authority
NL
Netherlands
Prior art keywords
switch
subscriber
bank
programming
settings
Prior art date
Application number
NL7700981A
Other languages
Dutch (nl)
Other versions
NL190595C (en
NL190595B (en
Original Assignee
Intertel Ii Inc
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 Intertel Ii Inc filed Critical Intertel Ii Inc
Priority to NL7700981A priority Critical patent/NL190595C/en
Publication of NL7700981A publication Critical patent/NL7700981A/en
Publication of NL190595B publication Critical patent/NL190595B/en
Application granted granted Critical
Publication of NL190595C publication Critical patent/NL190595C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems

Abstract

The telephone system has an accessory unit to screen out undesirable signals from desirable signals. It can also be used for remote control of the function of the various electrical controls. It consist of a switch which is used to programme the system from the telephone set of the subscriber using local energy and set in a particular position. The switch can be changed over to a different position where the system can be programmed from a different telephone set via ordinary telephone lines. There is also a triggering pushbutton and a decoding selector system. The signal transmiter and receiver is fitted with a signalling unit and a function generator in a normally closed circuit. The transmitter and a scanner will open the circuit to the signalling unit. The function generator will close the circuit.
NL7700981A 1977-01-31 1977-01-31 Auxiliary device for a telephone system subscriber's station. NL190595C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7700981A NL190595C (en) 1977-01-31 1977-01-31 Auxiliary device for a telephone system subscriber's station.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7700981A NL190595C (en) 1977-01-31 1977-01-31 Auxiliary device for a telephone system subscriber's station.

Publications (3)

Publication Number Publication Date
NL7700981A true NL7700981A (en) 1978-08-02
NL190595B NL190595B (en) 1993-12-01
NL190595C NL190595C (en) 1994-05-02

Family

ID=19827892

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7700981A NL190595C (en) 1977-01-31 1977-01-31 Auxiliary device for a telephone system subscriber's station.

Country Status (1)

Country Link
NL (1) NL190595C (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2162960A5 (en) * 1971-11-22 1973-07-20 Kilby Jack
US3829616A (en) * 1974-06-28 1974-08-13 Int Mobile Machines Ringer blocking attachment for telephones
US3902016A (en) * 1974-06-28 1975-08-26 Int Mobile Machines Ringer blocking attachment for telephones

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2162960A5 (en) * 1971-11-22 1973-07-20 Kilby Jack
US3829616A (en) * 1974-06-28 1974-08-13 Int Mobile Machines Ringer blocking attachment for telephones
US3902016A (en) * 1974-06-28 1975-08-26 Int Mobile Machines Ringer blocking attachment for telephones

Also Published As

Publication number Publication date
NL190595C (en) 1994-05-02
NL190595B (en) 1993-12-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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