NL136415C - - Google Patents

Info

Publication number: NL136415C
Authority: NL; Netherlands

Application number

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.)

1965-12-16

Publication of NL136415C publication Critical patent/NL136415C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Amplifiers (AREA)
Circuit For Audible Band Transducer (AREA)

NL136415D 1965-12-16 NL136415C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE16307/65A SE316804B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1965-12-16	1965-12-16

Publications (1)

Publication Number	Publication Date
NL136415C true NL136415C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=20302033

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL136415D NL136415C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1965-12-16
NL6617469A NL6617469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1965-12-16	1966-12-13

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL6617469A NL6617469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1965-12-16	1966-12-13

Country Status (6)

Country	Link
US (1)	US3513259A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1)	DE1487228A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR1503218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB1119268A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2)	NL6617469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1)	SE316804B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2404344A1 (fr) *	1977-09-27	1979-04-20	Jeumont Schneider	Equipement electronique d'abonne, a circuit de conversion deux fils-quatre fils, pour central telephonique
DE2840250C2 (de) *	1978-09-15	1983-01-20	Siemens AG, 1000 Berlin und 8000 München	Schaltungsanordnung für eine leitungsgespeiste Lautfernsprechstation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3041411A (en) *	1958-06-10	1962-06-26	Donald C Beatty	Automatic, circuit-condition-change-responsive, on-off control for loudspeaking telephone and the like
US3075045A (en) *	1960-08-29	1963-01-22	Bell Telephone Labor Inc	Speakerphone

0
- NL NL136415D patent/NL136415C/xx active
1965
- 1965-12-16 SE SE16307/65A patent/SE316804B/xx unknown
1966
- 1966-11-04 GB GB49566/66A patent/GB1119268A/en not_active Expired
- 1966-11-09 US US593188A patent/US3513259A/en not_active Expired - Lifetime
- 1966-12-05 FR FR86095A patent/FR1503218A/fr not_active Expired
- 1966-12-13 NL NL6617469A patent/NL6617469A/xx unknown
- 1966-12-13 DE DE19661487228 patent/DE1487228A1/de active Pending

Also Published As

Publication number	Publication date
NL6617469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1967-06-19
DE1487228A1 (de)	1969-04-03
GB1119268A (en)	1968-07-10
US3513259A (en)	1970-05-19
FR1503218A (fr)	1967-11-24
SE316804B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1969-11-03

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