GB1221805A – Telecommunication exchange
– Google Patents
GB1221805A – Telecommunication exchange
– Google Patents
Telecommunication exchange
Info
Publication number
GB1221805A
GB1221805A
GB8647/68A
GB864768A
GB1221805A
GB 1221805 A
GB1221805 A
GB 1221805A
GB 8647/68 A
GB8647/68 A
GB 8647/68A
GB 864768 A
GB864768 A
GB 864768A
GB 1221805 A
GB1221805 A
GB 1221805A
Authority
GB
United Kingdom
Prior art keywords
bars
displaced
inlet
connecting bar
outlet
Prior art date
1967-02-23
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8647/68A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAMY D ETUDES ET RECH S SOLER
Original Assignee
LAMY D ETUDES ET RECH S SOLER
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.)
1967-02-23
Filing date
1968-02-22
Publication date
1971-02-10
1968-02-22
Application filed by LAMY D ETUDES ET RECH S SOLER
filed
Critical
LAMY D ETUDES ET RECH S SOLER
1971-02-10
Publication of GB1221805A
publication
Critical
patent/GB1221805A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04Q—SELECTING
H04Q3/00—Selecting arrangements
H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
H01H67/00—Electrically-operated selector switches
H01H67/22—Switches without multi-position wipers
H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
Abstract
1,221,805. Automatic exchange systems. SOC. LAMY D’ETUDES ET DE RECHERCHES «SOLER». 22 Feb., 1968 [23 Feb., 1967], No. 8647/68. Heading H4K. [Also in Division H1] In a telecommunication exchange the subscriber lines are characterized by binary codes such that the codes of any two lines uniquely identify crosspoint elements and a junctor for use in an interconnection between them, and when a junctor circuit is taken into use an allotting chain prepares for the selection of an alternative junctor circuit for use for any other call requiring the engaged junctor. The crosspoint elements may be relay, solid state devices or operated by electrically, pneumatically or hydraulically controlled bars or strips. As described, the junctors are associated with a crossbar switch adapted to connect both the inlet and outlet of the junctors to selected outlets of the network. As shown in Fig. 3 longitudinally displaceable bars T1 to T3 and T5 to T7 are each adapted when in one position to connect a junctor between a preselected inlet conductor A1 to A4 and a preselected outlet conductor B1 to B6. E.g. to establish a connection between inlet A2 and outlet B6 a frame (not shown) in the plane of the inlet conductors A2 and A4 is displaced in one direction of the arrow CA1 to select the inlets in that plane and a further frame (not shown) is displaced in one direction of the arrow CB1 to select the outlets B2, B4 and B6 in its plane then the connecting bar T3 is displaced to operate the contacts at the intersections of the connecting bar with the two frames, i.e. at the intersections circled. This arrangement is duplicated a number of times with different sets of inlets and different sets of outlets associated with a connecting bar. Each connecting bar operates an additional contact which is changed from one position to the other as the bar is displaced and these additional contacts are arranged in an allotting tree (Fig. 11, not shown) which for each operated connecting bar (i.e. one maintaining a connection) selects another connecting bar (in a different one to the duplicated arrangements) for use in place of that connecting bar. In an actual physical arrangement (Fig. 6) the inlet and outlet conductors are on printed circuit cards IM1 and IM1
GB8647/68A
1967-02-23
1968-02-22
Telecommunication exchange
Expired
GB1221805A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
FR96300A
FR1522302A
(en)
1967-02-23
1967-02-23
Electro-mechanical switch
Publications (1)
Publication Number
Publication Date
GB1221805A
true
GB1221805A
(en)
1971-02-10
Family
ID=8625849
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB8647/68A
Expired
GB1221805A
(en)
1967-02-23
1968-02-22
Telecommunication exchange
Country Status (5)
Country
Link
US
(1)
US3614330A
(en)
DE
(1)
DE1638129A1
(en)
FR
(1)
FR1522302A
(en)
GB
(1)
GB1221805A
(en)
NL
(1)
NL6802622A
(en)
Families Citing this family (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
SE340296B
(en)
*
1970-12-30
1971-11-15
Ericsson Telefon Ab L M
NL7303599A
(en)
*
1973-03-15
1974-09-17
US4057804A
(en)
*
1973-06-21
1977-11-08
Holme Communications Systems, Inc.
Branched path communications apparatus for routing communications signals
SE468693B
(en)
*
1991-06-17
1993-03-01
Ericsson Telefon Ab L M
GALVANIC CLUTCH DEVICE
SE9502753L
(en)
*
1995-08-04
1997-02-05
Ericsson Telefon Ab L M
Matrix structured cross-coupling arrangement
SE515404C2
(en)
*
1995-08-04
2001-07-30
Ericsson Telefon Ab L M
Switching System
US11013139B2
(en)
*
2018-11-05
2021-05-18
Cisco Technology, Inc.
Power supply for a networking device with orthogonal switch bars
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2901547A
(en)
*
1955-06-28
1959-08-25
Bell Telephone Labor Inc
Switching system network
US3088999A
(en)
*
1959-03-26
1963-05-07
Ericsson Telefon Ab L M
Circuit arrangement for controlling cross-bar selectors in a telephone system
GB1216186A
(en)
*
1966-12-22
1970-12-16
Gen Electric & English Electri
Improvements in or relating to electric switches
1967
1967-02-23
FR
FR96300A
patent/FR1522302A/en
not_active
Expired
1968
1968-02-19
US
US706544A
patent/US3614330A/en
not_active
Expired – Lifetime
1968-02-22
DE
DE19681638129
patent/DE1638129A1/en
active
Pending
1968-02-22
GB
GB8647/68A
patent/GB1221805A/en
not_active
Expired
1968-02-23
NL
NL6802622A
patent/NL6802622A/xx
unknown
Also Published As
Publication number
Publication date
DE1638129A1
(en)
1971-02-25
FR1522302A
(en)
1968-04-26
US3614330A
(en)
1971-10-19
NL6802622A
(en)
1968-08-26
Similar Documents
Publication
Publication Date
Title
US3796848A
(en)
1974-03-12
Pin connector switch
GB1221805A
(en)
1971-02-10
Telecommunication exchange
US3317676A
(en)
1967-05-02
Automatic telephone exchange
US5371786A
(en)
1994-12-06
Electronic cross-connect system
US3317897A
(en)
1967-05-02
Multi-stage switching network
US2864008A
(en)
1958-12-09
Relay selecting circuit
GB1417519A
(en)
1975-12-10
Communication systems
GB1021818A
(en)
1966-03-09
Switching network
US2928903A
(en)
1960-03-15
Switching system and translator therefor
GB897676A
(en)
1962-05-30
Improvements in or relating to circuit means for selecting a connection path extending through an arrangement of switching stages
US3993874A
(en)
1976-11-23
Multi-stage switching networks for use in telecommunications exchanges
US3414681A
(en)
1968-12-03
Speech contact network in a telephone system
US2686842A
(en)
1954-08-17
Automatic telecommunication system with absent subscriber service
GB1279909A
(en)
1972-06-28
Automatic telecommunication switching system
US2346915A
(en)
1944-04-18
Telephone system
US3395251A
(en)
1968-07-30
Control arrangement for a switching network
US3967075A
(en)
1976-06-29
Attendant board system in a telephone exchange
US1528763A
(en)
1925-03-10
Switching device
GB1050190A
(en)
EP0835592A1
(en)
1998-04-15
Main distribution board for a telecommunications facility
US2067518A
(en)
1937-01-12
Telephone system
US3928728A
(en)
1975-12-23
Number identification circuit
US1543893A
(en)
1925-06-30
Telephone system
GB1191200A
(en)
1970-05-06
Improvements in or relating to Telephone Exchange Circuits
RU2069937C1
(en)
1996-11-27
Connector with spatial switching of channels for automatic telephone exchange
None