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

NL136415D 1965-12-16 NL136415C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE16307/65A SE316804B (en)	1965-12-16	1965-12-16

Publications (1)

Publication Number	Publication Date
NL136415C true NL136415C (en)

Family

ID=20302033

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL136415D NL136415C (en)	1965-12-16
NL6617469A NL6617469A (en)	1965-12-16	1966-12-13

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL6617469A NL6617469A (en)	1965-12-16	1966-12-13

Country Status (6)

Country	Link
US (1)	US3513259A (en)
DE (1)	DE1487228A1 (en)
FR (1)	FR1503218A (en)
GB (1)	GB1119268A (en)
NL (2)	NL6617469A (en)
SE (1)	SE316804B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2404344A1 (en) *	1977-09-27	1979-04-20	Jeumont Schneider	SUBSCRIBER ELECTRONIC EQUIPMENT, WITH TWO-WIRE-FOUR-WIRE CONVERSION CIRCUIT, FOR TELEPHONE CENTER
DE2840250C2 (en) *	1978-09-15	1983-01-20	Siemens AG, 1000 Berlin und 8000 München	Circuit arrangement for a line-fed loudspeaker station

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/en not_active Expired
- 1966-12-13 DE DE19661487228 patent/DE1487228A1/en active Pending
- 1966-12-13 NL NL6617469A patent/NL6617469A/xx unknown

Also Published As

Publication number	Publication date
US3513259A (en)	1970-05-19
NL6617469A (en)	1967-06-19
SE316804B (en)	1969-11-03
DE1487228A1 (en)	1969-04-03
GB1119268A (en)	1968-07-10
FR1503218A (en)	1967-11-24

Publication	Publication Date	Title
BE674454A (en)	1966-04-15
BE666875A (en)	1965-11-03
JPS4319677Y1 (en)	1968-08-16
JPS4411017Y1 (en)	1969-05-07
JPS4426379Y1 (en)	1969-11-05
AU416352B2 (en)	1968-03-21
JPS4324444Y1 (en)	1968-10-15
JPS427670Y1 (en)	1967-04-13
BE674031A (en)	1966-06-20
BE667524A (en)	1965-11-16
BE673306A (en)	1966-04-01
NL6516781A (en)	1967-06-26
BE683330A (en)	1966-12-01
BE681520A (en)	1966-11-24
NL6601226A (en)	1966-08-08
BE674397A (en)	1966-04-15
BE674337A (en)	1966-04-15
BE674335A (en)	1966-04-15
BE674334A (en)	1966-04-15
BE674208A (en)	1966-04-15
BE674077A (en)	1966-04-15
BE674035A (en)	1966-06-20
BE666825A (en)	1965-11-03
BE667026A (en)
BE669446A (en)	1965-12-31