NL7601193A - VOLTAGE DETECTOR. - Google Patents

VOLTAGE DETECTOR.

Info

Publication number: NL7601193A
Authority: NL; Netherlands
Prior art keywords: voltage detector; detector; voltage
Prior art date: 1970-07-31

Application number

NL7601193A

Other languages

Dutch (nl)

Original Assignee

Siemens Ag

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.)

1970-07-31

Filing date

1976-02-05

Publication date

1976-05-31

1976-02-05 Application filed by Siemens Ag filed Critical Siemens Ag

1976-05-31 Publication of NL7601193A publication Critical patent/NL7601193A/en

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Signal Processing (AREA)
Monitoring And Testing Of Exchanges (AREA)
Devices For Supply Of Signal Current (AREA)

NL7601193A 1970-07-31 1976-02-05 VOLTAGE DETECTOR. NL7601193A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702038218 DE2038218B2 (en)	1970-07-31	1970-07-31	DEVICE FOR SUBSCRIBER CONNECTION FUNCTION CONTROL TESTING AND MEASUREMENT IN A SUBSCRIBER CONNECTION MULTIPLEX ARRANGEMENT

Publications (1)

Publication Number	Publication Date
NL7601193A true NL7601193A (en)	1976-05-31

Family

ID=5778575

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL7110582A NL150295B (en)	1970-07-31	1971-07-30	SIGNAL SYSTEM, ESPECIALLY TELEPHONE SYSTEM WITH MULTIPLE SUBSCRIBER CONNECTIONS.
NL7601193A NL7601193A (en)	1970-07-31	1976-02-05	VOLTAGE DETECTOR.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL7110582A NL150295B (en)	1970-07-31	1971-07-30	SIGNAL SYSTEM, ESPECIALLY TELEPHONE SYSTEM WITH MULTIPLE SUBSCRIBER CONNECTIONS.

Country Status (7)

Country	Link
JP (1)	JPS5141488B1 (en)
BE (1)	BE770678A (en)
CH (1)	CH535519A (en)
DE (1)	DE2038218B2 (en)
GB (1)	GB1329955A (en)
NL (2)	NL150295B (en)
SE (1)	SE380156B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3215670A1 (en) *	1982-04-27	1983-10-27	Siemens AG, 1000 Berlin und 8000 München	Subscriber connection circuit with test connections
DE3215680A1 (en) *	1982-04-27	1983-10-27	Siemens AG, 1000 Berlin und 8000 München	Method for testing a subscriber connection circuit and its connected analog subscriber station and subscriber connection line, and circuit arrangement to carry out the method
DE3633057C2 (en) *	1986-09-29	1994-01-20	Kommunikations Elektronik	Circuit arrangement for the transmission of information technology signals

1970
- 1970-07-31 DE DE19702038218 patent/DE2038218B2/en not_active Withdrawn
1971
- 1971-07-02 CH CH975671A patent/CH535519A/en not_active IP Right Cessation
- 1971-07-28 JP JP46056695A patent/JPS5141488B1/ja active Pending
- 1971-07-29 GB GB3570471A patent/GB1329955A/en not_active Expired
- 1971-07-29 BE BE770678A patent/BE770678A/en unknown
- 1971-07-30 NL NL7110582A patent/NL150295B/en unknown
- 1971-07-30 SE SE981771A patent/SE380156B/xx unknown
1976
- 1976-02-05 NL NL7601193A patent/NL7601193A/en unknown

Also Published As

Publication number	Publication date
SE380156B (en)	1975-10-27
DE2038218B2 (en)	1972-03-09
DE2038218A1 (en)	1972-03-09
BE770678A (en)	1971-12-01
NL7110582A (en)	1972-02-02
GB1329955A (en)	1973-09-12
NL150295B (en)	1976-07-15
CH535519A (en)	1973-03-31
JPS5141488B1 (en)	1976-11-10

Publication	Publication Date	Title
NL175866C (en)	1985-01-02	SYNCHRONOUS DETECTOR.
NL175364C (en)	1984-10-16	SQUARE DETECTOR.
DK129766B (en)	1974-11-18	Salvebase.
NL7601193A (en)	1976-05-31	VOLTAGE DETECTOR.
CH546584A (en)	1974-03-15	SKIBOB.
DK131830B (en)	1975-09-08	Gaslighter.
DK130656B (en)	1975-03-17	Falstagsten.
ES156991Y (en)	1971-08-01	GIRDLE-PANTS.
ES160016Y (en)	1971-05-16	LAMP-CLOCK.
ES156687Y (en)	1971-06-16	BOX-CASE.
BE756275A (en)	1971-03-01	BIGOUDI.
CH549227A (en)	1974-05-15	PHOTOCOPYER.
ES164030Y (en)	1971-08-16	NEW POT-VASE.
ES162881Y (en)	1971-07-16	NEW PINATA.
ES162757Y (en)	1971-07-16	NEW SCREEN-GRIPPER.
ES159741Y (en)	1971-03-16	ARMS-HOLDER.
ES159486Y (en)	1971-10-16	GAME-PUZZLE.
ES163472Y (en)	1971-08-16	RADIO - PERFECTED MAGNETOPHONE.
ES163406Y (en)	1971-09-01	FRIEGASUELOS.
ES163088Y (en)	1971-07-16	PACKAGING-PENDANT.
ES162681Y (en)	1971-07-16	CHRISTMA-CALENDAR.
ES162639Y (en)	1971-08-01	CAP-HOLDER.
ES156423Y (en)	1971-05-16	BURLETE.
ES156485Y (en)	1971-02-16	BOX-CONTAINER.
ES156547Y (en)	1971-02-01	GARLAND-HOLDER.